/* Theme Variables */
:root {
    /* Light Theme */
    --primary-color: #2c3e50;      
    --secondary-color: #3498db;    
    --accent-color: #e74c3c;       
    --success-color: #27ae60;      
    --background-color: #ffffff;   
    --card-background: #ffffff;   
    --text-color: #2c3e50;         
    --border-color: #dcdde1;       
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s;
    --hint-bg-light: #e0e4ea;
    --hint-bg-dark: #181c27;
}

/* Dark Theme */
[data-theme="dark"] {
    --primary-color: #3498db;      
    --secondary-color: #2980b9;   
    --accent-color: #e74c3c;       
    --success-color: #2ecc71;      
    --background-color: #1a1a2e;  
    --card-background: #16213e;    
    --text-color: #a3b8be;         
    --border-color: #2c3e50;       
    --shadow-color: rgba(0, 0, 0, 0.3); 
    --hint-bg: var(--hint-bg-dark);
}

/* Neon Theme */
[data-theme="neon"] {
    --primary-color: #00ff41;      
    --secondary-color: #ff00ff;    
    --accent-color: #ff6b35;       
    --success-color: #00ff88;      
    --background-color: #000000;   
    --card-background: #0a0a0a;    
    --text-color: #ffffff;         
    --border-color: #00ff41;       
    --shadow-color: rgba(0, 255, 65, 0.3);
    --hint-bg: #1a1a1a;
}

/* Pastel Theme */
[data-theme="pastel"] {
    --primary-color: #ff9a9e;      
    --secondary-color: #a8edea;    
    --accent-color: #fecfef;       
    --success-color: #d299c2;      
    --background-color: #fefefe;   
    --card-background: #fafafa;    
    --text-color: #6c5b7b;         
    --border-color: #e8d5c4;       
    --shadow-color: rgba(108, 91, 123, 0.1);
    --hint-bg: #f0f0f0;
}

[data-theme="light"] {
    --hint-bg: var(--hint-bg-light);
}

/*Base Styles*/

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background:
      linear-gradient(rgba(26,26,46,0.7), rgba(26,26,46,0.7)),
      url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?auto=format&fit=crop&w=1500&q=80'); /* Chill Background */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text-color);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Theme-specific backgrounds */
[data-theme="neon"] body {
    background: 
      linear-gradient(rgba(0,0,0,0.9), rgba(0,0,0,0.9)),
      radial-gradient(circle at 50% 50%, #00ff41 0%, transparent 70%);
}

[data-theme="pastel"] body {
    background: 
      linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    background-attachment: fixed;
}

/*Container*/
.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--card-background);
    border-radius: 15px;
    box-shadow: 0 4px 6px var(--shadow-color);
    position: relative;
    transition: all var(--transition-speed);
}

h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color)); /* Gradient Effect */
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px var(--shadow-color);
    transition: background 0.5s, transform 0.3s, text-shadow 0.3s;
}

h1:hover {
    background: linear-gradient(90deg, #00c3ff, #ffff1c, #ff4e50, #1cd8d2); /* Rainbow Effect */
    -webkit-background-clip: text; 
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transform: scale(1.07) rotate(-2deg); /* Scale Effect */
    text-shadow: 0 0 16px #00c3ff, 0 0 32px #ff4e50; /* Text Shadow Effect */
    cursor: pointer; /* Cursor Effect */
}

/* Game settings */
.game-settings {
    background: var(--card-background);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 4px 6px var(--shadow-color);
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    transition: all var(--transition-speed);
}

select, input {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--border-color); /* Border Effect */
    border-radius: 8px; /* Border Radius Effect */
    background: var(--card-background); /* Background Effect */
    color: var(--text-color); /* Text Color Effect */
    font-size: 1rem;
    transition: all var(--transition-speed);
}

select:focus, input:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    outline: none;
}

/* Game area with smooth transitions */
.game-area {
    position: relative;
    background: var(--card-background);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 6px var(--shadow-color);
    margin-bottom: 2rem;
    transition: all var(--transition-speed);
    opacity: 1;
    transform: translateY(0);
}

.game-area.transitioning {
    opacity: 0;
    transform: translateY(-20px);
}

.game-area.transitioning-in {
    animation: slideInFromTop 0.5s ease-out;
}

.game-area.loading {
    pointer-events: none;
}

.game-area.loading > * {
    opacity: 0.5;
}

@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.game-info {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    color: var(--primary-color);
    transition: all var(--transition-speed);
}

.guess-input {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 1rem;
    margin-bottom: 1.5rem;
    transition: all var(--transition-speed);
}

button {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 8px;
    background: var(--secondary-color); 
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    letter-spacing: 0.5px;
}

button:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

button:active {
    transform: translateY(0);
}

button:focus {
    outline: 2.5px solid var(--secondary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.18);
    z-index: 2;
}

.help-button {
    background-color: var(--text-color);
}

.help-button:hover {
    background-color: var(--primary-color);
}

/* Feedback area */
.feedback-area {
    text-align: center;
    margin: 1.5rem 0;
    padding: 1rem;
    border-radius: 8px;
    background: rgba(52, 152, 219, 0.1);
    transition: all var(--transition-speed);
}

#feedbackMessage {
    font-size: 1.2rem;
    font-weight: 500;
    margin: 0;
}

.feedback-success {
    background-color: var(--success-color);
    color: white;
}

.feedback-error {
    background-color: var(--accent-color);
    color: white;
}

.feedback-hint {
    background-color: var(--primary-color);
    color: white;
}

/* Achievements and Stats */
.achievements, .game-stats {
    background: var(--card-background);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 4px 6px var(--shadow-color);
    margin-bottom: 2rem;
    transition: all var(--transition-speed);
}

.achievements-header, .stats-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.achievements h2, .game-stats h2 {
    color: var(--primary-color);
    margin: 0;
}

.reset-button {
    background: var(--accent-color);
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
}

.reset-button:hover {
    background: #c0392b;
}

.reset-button:focus {
    outline: 2.5px solid var(--secondary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.18);
    z-index: 2;
}

.achievements-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.achievement-item {
    background: rgba(52, 152, 219, 0.1);
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-speed);
    position: relative;
    overflow: hidden;
}

.achievement-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

/* Tiered Achievement Styling */
.achievement-item[data-tier="bronze"] {
    background: linear-gradient(135deg, #cd7f32 0%, #daa520 100%);
    color: white;
    border: 2px solid #cd7f32;
    box-shadow: 0 2px 8px rgba(205, 127, 50, 0.3);
}

.achievement-item[data-tier="silver"] {
    background: linear-gradient(135deg, #b0b0b0 0%, #c0c0c0 100%);
    color: white;
    border: 2px solid #b0b0b0;
    box-shadow: 0 2px 8px rgba(176, 176, 176, 0.3);
}

.achievement-item[data-tier="gold"] {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #333;
    border: 2px solid #ffd700;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.achievement-item[data-tier="platinum"] {
    background: linear-gradient(135deg, #00e6e6 0%, #40e0d0 100%);
    color: white;
    border: 2px solid #00e6e6;
    box-shadow: 0 2px 8px rgba(0, 230, 230, 0.3);
}

.achievement-item[data-tier="bronze"]:hover,
.achievement-item[data-tier="silver"]:hover,
.achievement-item[data-tier="gold"]:hover,
.achievement-item[data-tier="platinum"]:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 16px var(--shadow-color);
}

.achievement-icon {
    font-size: 1.5rem;
    min-width: 1.5rem;
    text-align: center;
}

.achievement-text {
    flex: 1;
}

.achievement-name {
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.achievement-description {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Achievement unlock animation */
.achievement-item.unlocking {
    animation: achievementUnlock 0.8s ease-out;
}

@keyframes achievementUnlock {
    0% {
        transform: scale(0.8) rotate(-5deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.1) rotate(2deg);
        opacity: 1;
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

/* Victory animation */
.victory-animation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    color: #111;
    animation: fadeIn 0.5s ease-in;
}

.victory-animation.hidden {
    display: none;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        transform: translateY(-20px); 
        opacity: 0; 
    }
    to { 
        transform: translateY(0); 
        opacity: 1; 
    }
}

@keyframes shake {
    0% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-6px); }
    80% { transform: translateX(6px); }
    100% { transform: translateX(0); }
}

@keyframes victoryFlash {
    0% { background: #27ae60; }
    100% { background: transparent; }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        transform: translate3d(0, -8px, 0);
    }
    70% {
        transform: translate3d(0, -4px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-in {
    animation: slideIn 0.4s ease-out;
}

.shake {
    animation: shake 0.4s cubic-bezier(.36,.07,.19,.97) both;
}

.victory-flash {
    animation: victoryFlash 0.7s linear;
}

.bounce {
    animation: bounce 1s ease;
}

button, .reset-button, .hint-button {
    animation: fadeIn 0.7s;
}

.feedback-area, .victory-animation {
    animation: fadeIn 0.7s;
}

.chaos-timer {
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: inline-block;
    font-weight: 600;
    animation: pulse 1s infinite;
}

.chaos-timer.hidden {
    display: none;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.achievement-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-color);
    animation: slideIn 0.4s ease-out, pulse 2s infinite;
    z-index: 1000;
}

/* Theme Toggle with multiple themes */
.theme-toggle {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
}

.theme-toggle button {
    background: transparent;
    font-size: 1.2rem;
    padding: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-color);
    transition: all var(--transition-speed);
}

.theme-toggle button:hover {
    background: rgba(52, 152, 219, 0.1);
    transform: scale(1.1);
}

.theme-toggle button.active {
    background: var(--secondary-color);
    color: #fff;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px var(--secondary-color), 0 2px 8px var(--shadow-color);
    transform: scale(1.15);
    font-weight: bold;
    position: relative;
    z-index: 2;
}
.theme-toggle button.active::after {
    content: '✓';
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 1.1em;
    color: #fff;
    background: var(--primary-color);
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: block;
    text-align: center;
    line-height: 18px;
    box-shadow: 0 1px 4px var(--shadow-color);
    pointer-events: none;
    z-index: 3;
}
.theme-toggle button:not(.active)::after {
    display: none;
}

/* Responsive Design */
@media (max-width: 600px) {
    .guess-input {
        grid-template-columns: 1fr;
    }
    
    .achievements-list {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .theme-toggle {
        flex-wrap: wrap;
    }
}

/* Hidden Class */
.hidden {
    display: none !important;
}

.hint-button {
    background-color: var(--hint-bg);
    color: var(--primary-color);
    border: 1.5px solid var(--primary-color);
    padding: 0.3rem 0.7rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 1px 2px var(--shadow-color);
    opacity: 0.85;
    letter-spacing: 0.5px;
}

.hint-button:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
    opacity: 1;
}

.hint-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.hint-button:focus {
    outline: 2.5px solid var(--secondary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.18);
    z-index: 2;
}

.mode-selector label,
.difficulty-selector label {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    display: block;
    letter-spacing: 0.2px;
}

    /* Guess Input Effects */
input.guess-correct {
    border-color: var(--success-color);
    box-shadow: 0 0 8px 2px var(--success-color);
    background: rgba(39, 174, 96, 0.08);
    transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}

input.guess-error {
    border-color: var(--accent-color);
    box-shadow: 0 0 8px 2px var(--accent-color);
    background: rgba(231, 76, 60, 0.08);
    transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
    /* Hot and Cold Effects */
input.guess-hot {
    border-color: #f1c40f;
    box-shadow: 0 0 8px 2px #f1c40f;
    background: rgba(241, 196, 15, 0.08);
    transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}

input.guess-cold {
    border-color: #3498db;
    box-shadow: 0 0 8px 2px #3498db;
    background: rgba(52, 152, 219, 0.08);
    transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}

.guess-history {
    margin: 0.5rem 0 1.2rem 0;
    padding: 0.7rem 1rem;
    background: rgba(52, 152, 219, 0.08);
    border-radius: 8px;
    min-height: 2.2rem;
    font-size: 1.05rem;
    color: var(--primary-color);
    box-shadow: 0 1px 3px var(--shadow-color);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}
.guess-history .guess-item {
    background: var(--card-background);
    border: 1.5px solid var(--secondary-color);
    border-radius: 6px;
    padding: 0.2rem 0.7rem;
    font-weight: 500;
    color: var(--primary-color);
    box-shadow: 0 1px 2px var(--shadow-color);
    transition: background 0.2s, border 0.2s;
}
.guess-history .guess-item.correct {
    background: var(--success-color);
    color: #fff;
    border-color: var(--success-color);
}
.guess-history .guess-item.hot {
    background: #f1c40f;
    color: #fff;
    border-color: #f1c40f;
}
.guess-history .guess-item.cold {
    background: #3498db;
    color: #fff;
    border-color: #3498db;
}

.shortcuts-info {
    background: var(--card-background);
    margin: 1.5rem 0 2rem 0;
    padding: 1.2rem 1.5rem;
    border-radius: 15px;
    box-shadow: 0 4px 6px var(--shadow-color);
    color: var(--primary-color);
    font-size: 1.05rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
.shortcuts-info h2 {
    font-size: 1.2rem;
    margin-bottom: 0.7rem;
    color: var(--secondary-color);
}
.shortcuts-info ul {
    list-style: disc inside;
    padding-left: 0.5rem;
}
.shortcuts-info li {
    margin-bottom: 0.3rem;
    line-height: 1.5;
}

.math-hints-info {
    position: relative;
    background: var(--card-background);
    color: var(--primary-color);
    border-radius: 10px;
    box-shadow: 0 2px 6px var(--shadow-color);
    padding: 1rem 1.2rem;
    margin-bottom: 1rem;
    margin-top: -0.5rem;
    font-size: 1rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    transition: opacity 0.3s, max-height 0.3s;
    min-height: 2.2rem;
}
.minimize-hints {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: var(--secondary-color);
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    padding: 0 0.5rem;
    border-radius: 50%;
    transition: background 0.2s;
    z-index: 2;
}
.minimize-hints-label {
    display: none;
    position: absolute;
    right: 38px;
    top: 10px;
    color: var(--secondary-color);
    font-size: 0.95rem;
    background: transparent;
    pointer-events: none;
}
.math-hints-info.minimized .minimize-hints-label {
    display: inline-block;
}
.math-hints-info.minimized {
    max-height: 2.2rem;
    overflow: hidden;
    padding-bottom: 0.2rem;
    opacity: 0.7;
    min-height: 2.2rem;
}
.math-hints-info.minimized ul,
.math-hints-info.minimized b {
    display: none;
}
.math-hints-info ul {
    margin: 0.5rem 0 0 1.2rem;
    padding-left: 0.5rem;
}
.math-hints-info li {
    margin-bottom: 0.2rem;
    line-height: 1.5;
}

.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(44, 62, 80, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  animation: fadeIn 0.3s;
}
.modal.hidden {
  display: none !important;
}
.modal-content {
  background: var(--card-background);
  padding: 2.2rem 2.5rem 1.5rem 2.5rem;
  border-radius: 18px;
  box-shadow: 0 8px 32px var(--shadow-color);
  min-width: 320px;
  max-width: 90vw;
  text-align: center;
  animation: slideIn 0.4s;
}
#dailyResultText {
  font-size: 1.15rem;
  margin: 1.2rem 0 1.7rem 0;
  color: var(--primary-color);
}
.share-button {
  background: var(--success-color);
  color: #fff;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 0.7rem 1.5rem;
  margin-right: 1rem;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s, box-shadow 0.2s;
}
.share-button:hover {
  background: #27ae60;
  box-shadow: 0 2px 8px var(--shadow-color);
}
.close-button {
  background: var(--accent-color);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.7rem 1.5rem;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}
.close-button:hover {
  background: #c0392b;
  box-shadow: 0 2px 8px var(--shadow-color);
}

.daily-challenge-info {
  background: var(--card-background);
  border-left: 6px solid var(--primary-color);
  padding: 1.3rem 2rem 1.1rem 1.5rem;
  border-radius: 15px;
  margin: 2rem auto 2.2rem auto;
  box-shadow: 0 2px 8px var(--shadow-color);
  max-width: 600px;
  color: var(--primary-color);
  font-size: 1.08rem;
  animation: fadeIn 0.7s;
}
.daily-challenge-info h2 {
  margin-top: 0;
  color: var(--secondary-color);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}
.daily-challenge-info p {
  margin: 0;
  line-height: 1.6;
}

.range-animate {
  animation: rangeFlash 0.7s cubic-bezier(.36,.07,.19,.97);
}
@keyframes rangeFlash {
  0% { background: #ffe066; color: #222; }
  50% { background: #ffb700; color: #fff; }
  100% { background: inherit; color: inherit; }
}
#numberRange.range-animate {
  border-radius: 6px;
  padding: 2px 8px;
  border-width: 2px;
}

.player-name-display {
  font-size: 1.2em;
  font-weight: bold;
  margin-bottom: 0.5em;
  text-align: center;
  color: #2196f3;
}
#playerNameModal.modal {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1000;
}
#playerNameModal .modal-content {
  background: #fff;
  border-radius: 10px;
  padding: 2em 2em 1.5em 2em;
  box-shadow: 0 4px 24px #0002;
  text-align: center;
  min-width: 260px;
}
#playerNameInputWelcome,
#playerNameInputModal {
  font-size: 1.1em;
  padding: 0.5em 1em;
  margin: 1em 0 1em 0;
  border-radius: 6px;
  border: 1px solid #bbb;
  width: 80%;
  max-width: 220px;
}
#savePlayerNameBtn {
  font-size: 1.1em;
  padding: 0.5em 1.5em;
  border-radius: 6px;
  background: #2196f3;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}
#savePlayerNameBtn:hover {
  background: #1769aa;
}

.personal-stats-btn {
  display: block;
  margin: 0.5em auto 0.5em auto;
  padding: 0.4em 1em;
  font-size: 0.9em;
  background: #4caf50;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}
.personal-stats-btn:hover {
  background: #357a38;
}
#personalStatsModal.modal {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1000;
}
#personalStatsModal .modal-content {
  background: #fff;
  border-radius: 10px;
  padding: 0.4em 0.7em !important;
  max-width: 240px !important;
  min-width: 170px !important;
  font-size: 0.93em !important;
  box-shadow: 0 4px 24px #0002;
  text-align: center;
}
#personalStatsContent {
  padding: 0.08em 0.08em 0.2em 0.08em;
  font-size: 0.93em;
}
#closePersonalStats {
  margin-top: 0.7em !important;
  padding: 0.3em 1.2em !important;
  font-size: 1em !important;
  background: #f5f5f5;
  border: 1.5px solid #ffd600;
  border-radius: 6px;
  color: #333;
  cursor: pointer;
  transition: background 0.2s, border 0.2s;
}
#closePersonalStats:hover {
  background: #ffe066;
  border-color: #ffc107;
}

.share-result-btn {
  display: inline-block;
  font-size: 1.05em;
  padding: 0.45em 1.3em;
  border-radius: 6px;
  background: #ff9800;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}
.share-result-btn:hover {
  background: #e65100;
}

.hidden { display: none !important; }

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--secondary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.game-area.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid rgba(52, 152, 219, 0.2);
    border-radius: 50%;
    border-top-color: var(--secondary-color);
    animation: spin 1s ease-in-out infinite;
    z-index: 10;
}

.info-row {
  display: flex;
  gap: 2rem;
  justify-content: center;
  align-items: flex-start;
  margin: 2rem 0;
  flex-wrap: wrap;
}
.info-box {
  background: #1a2740;
  color: #bfe2ff;
  border-radius: 18px;
  box-shadow: 0 4px 24px #0003;
  padding: 2rem 2.5rem;
  min-width: 320px;
  max-width: 480px;
  border: 2px solid #2e3e5c;
  margin-bottom: 1rem;
}
.info-box h2 {
  margin-top: 0;
  color: #bfe2ff;
  font-size: 1.5em;
}
.info-box h3 {
  color: #7ecbff;
  margin-bottom: 0.5em;
}
.info-box ul {
  padding-left: 1.2em;
  margin-bottom: 1.2em;
}
.info-box li {
  margin-bottom: 0.4em;
}
@media (max-width: 1100px) {
  .info-row {
    flex-direction: column;
    align-items: stretch;
  }
  .info-box {
    max-width: 100%;
    min-width: 0;
  }
}

.achievements-panel-btn {
  background: #2196f3;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.6em 1.3em;
  font-size: 1em;
  margin-left: 0.7em;
  margin-bottom: 0.7em;
  cursor: pointer;
  transition: background 0.2s;
}
.achievements-panel-btn:hover {
  background: #1769aa;
}
#achievementsPanelModal .modal-content {
  background: #1a2740;
  color: #bfe2ff;
  border-radius: 18px;
  box-shadow: 0 4px 24px #0003;
  padding: 2.2rem 2.5rem 1.5rem 2.5rem;
  max-height: 80vh;
  overflow-y: auto;
}
#achievementsPanelList {
  margin-top: 1.2em;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2em;
  max-height: 55vh;
  overflow-y: auto;
}
.achievement-panel-item {
  background: #22325a;
  border-radius: 12px;
  padding: 1em 1.2em;
  display: flex;
  align-items: flex-start;
  gap: 0.7em;
  box-shadow: 0 2px 8px #0002;
  border: 2px solid #2e3e5c;
  min-width: 0;
}
.achievement-panel-icon {
  font-size: 2em;
  margin-right: 0.5em;
  flex-shrink: 0;
}
.achievement-panel-name {
  font-weight: bold;
  color: #bfe2ff;
  font-size: 1.1em;
}
.achievement-panel-description {
  font-size: 0.97em;
  color: #a3cfff;
  margin-top: 0.2em;
}
.achievement-panel-tier {
  font-size: 0.95em;
  margin-top: 0.1em;
  color: #ffd700;
}
.achievement-panel-locked {
  opacity: 0.45;
  filter: grayscale(0.7);
}
#closeAchievementsPanel {
  margin-top: 1.2em !important;
  padding: 0.5em 1.3em !important;
  font-size: 1em !important;
  background: #f5f5f5;
  border: 1.5px solid #ffd600;
  border-radius: 8px;
  color: #333;
  cursor: pointer;
  transition: background 0.2s, border 0.2s;
}
#closeAchievementsPanel:hover {
  background: #ffe066;
  border-color: #ffc107;
}

.mode-explanation {
    background: var(--card-background, #23233a);
    color: var(--primary-color, #00c3ff);
    border-radius: 10px;
    padding: 0.7em 1.2em;
    margin: 0.5em 0 0.2em 0;
    font-size: 1.08em;
    font-weight: 500;
    box-shadow: 0 2px 8px var(--shadow-color, #0002);
    text-align: center;
    min-height: 2.2em;
    transition: background 0.3s, color 0.3s;
}

.game-mode-icon {
    margin-right: 0.5em;
    font-size: 1.1em;
    vertical-align: middle;
}

button, .reset-button, .hint-button, .share-result-btn, .share-button, .close-button, .personal-stats-btn, .achievements-panel-btn {
  min-width: 48px;
  min-height: 48px;
  padding: 0.8em 1.2em;
  font-size: 1.1em;
  border-radius: 10px;
  touch-action: manipulation;
  cursor: pointer;
}

.theme-toggle button {
  min-width: 48px;
  min-height: 48px;
  font-size: 1.3em;
  padding: 0.5em 0.7em;
}

.no-achievements, .no-stats {
  text-align: center;
  color: var(--secondary-color);
  font-size: 1.1em;
  opacity: 0.8;
  padding: 1.2em 0.5em;
}

/* Responsive layout for small screens */
@media (max-width: 700px) {
  .container {
    max-width: 100vw;
    padding: 0 0.2rem;
  }
  .game-area, .game-settings, .achievements, .game-stats, .info-box {
    padding: 1rem;
    border-radius: 10px;
  }
  h1 {
    font-size: 1.5rem;
  }
  .theme-toggle {
    flex-direction: row;
    gap: 0.2em;
  }
  .guess-input {
    flex-direction: column;
    gap: 0.7em;
  }
  .feedback-area {
    font-size: 1em;
  }
  .achievements-list, #statsDisplay {
    font-size: 0.98em;
  }
}

/* Landscape/portrait orientation handling */
@media (orientation: landscape) and (max-width: 900px) {
  .container {
    max-width: 100vw;
    padding: 0 0.1rem;
  }
  .game-area, .game-settings, .achievements, .game-stats, .info-box {
    padding: 0.7rem;
    border-radius: 8px;
  }
  .info-row {
    flex-direction: row;
    gap: 0.5em;
  }
}

@media (orientation: portrait) and (max-width: 700px) {
  .info-row {
    flex-direction: column;
    gap: 0.5em;
  }
}

/* --- End Responsive & Touch Improvements --- */

/* Welcome Overlay Styles */
.welcome-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    overflow-y: auto;
}

.welcome-overlay.hidden {
    display: none;
}

.welcome-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
}

.welcome-step {
    text-align: center;
}

.welcome-step.hidden {
    display: none;
}

.welcome-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-header p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.welcome-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.name-input-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

#playerNameInputWelcome {
    font-size: 1.2rem;
    padding: 0.8rem 1rem;
    border: 2px solid #ddd;
    border-radius: 10px;
    width: 300px;
    max-width: 100%;
    text-align: center;
    transition: border-color 0.3s;
}

#playerNameInputWelcome:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.welcome-hint {
    color: #666;
    font-style: italic;
    margin-top: 1rem;
}

.welcome-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.welcome-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    min-width: 120px;
}

.welcome-btn.primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.welcome-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.welcome-btn.secondary {
    background: #f8f9fa;
    color: #333;
    border: 2px solid #ddd;
}

.welcome-btn.secondary:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

.info-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
    text-align: left;
}

.info-section {
    background: #e6e9f5;
    color: #222;
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 4px solid #667eea;
    border: 1px solid #c3c8e6;
    box-shadow: 0 2px 8px #0001;
}

.info-section h3 {
    color: #222;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.info-section ul, .info-section li {
    color: #222;
}

.tutorial-game {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
}

.tutorial-info {
    margin-bottom: 1.5rem;
}

.tutorial-info p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.tutorial-input {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

#tutorialGuessInput {
    font-size: 1.1rem;
    padding: 0.7rem 1rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    width: 200px;
    text-align: center;
}

#tutorialGuessInput:focus {
    outline: none;
    border-color: #667eea;
}

.tutorial-feedback {
    min-height: 60px;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.tutorial-history {
    min-height: 80px;
    background: white;
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid #ddd;
}

.tutorial-history .guess-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border-radius: 5px;
    background: #f8f9fa;
}

.tutorial-history .guess-item:last-child {
    margin-bottom: 0;
}

.tutorial-history .guess-number {
    font-weight: bold;
    color: #333;
}

.tutorial-history .guess-feedback {
    font-size: 0.9rem;
}

.tutorial-history .hot {
    color: #dc3545;
}

.tutorial-history .cold {
    color: #007bff;
}

.tutorial-history .correct {
    color: #28a745;
    font-weight: bold;
}

/* Responsive adjustments for welcome overlay */
@media (max-width: 768px) {
    .welcome-container {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .welcome-header h1 {
        font-size: 2rem;
    }
    
    .welcome-content h2 {
        font-size: 1.5rem;
    }
    
    #playerNameInputWelcome {
        width: 100%;
        max-width: 250px;
    }
    
    .info-sections {
        grid-template-columns: 1fr;
    }
    
    .tutorial-input {
        flex-direction: column;
        align-items: center;
    }
    
    #tutorialGuessInput {
        width: 100%;
        max-width: 200px;
    }
    
    .welcome-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .welcome-btn {
        width: 100%;
        max-width: 200px;
    }
}

.hot-text {
  color: #dc3545;
  font-weight: bold;
}
.cold-text {
  color: #007bff;
  font-weight: bold;
}

.streak-progress-container {
  margin-bottom: 1.2rem;
  text-align: center;
}
#streakProgressBar {
  height: 18px;
  background: #e0e7ef;
  border-radius: 10px;
  overflow: hidden;
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
}
#streakProgressFill {
  height: 100%;
  background: linear-gradient(90deg,#667eea,#764ba2);
  border-radius: 10px 0 0 10px;
  transition: width 0.4s;
  min-width: 0;
}
#streakProgressLabel {
  font-weight: 600;
  margin-bottom: 0.3em;
  color: #4b4b6b;
  letter-spacing: 0.5px;
}

.player-profile-card {
  max-width: 320px;
  margin: 0 auto 1.2rem auto;
  display: flex;
  align-items: center;
  gap: 1.1em;
  padding: 1em 1.3em;
  background: #f8f9fa;
  border-radius: 14px;
  box-shadow: 0 2px 8px #0001;
}
.player-avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #e0e7ef;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7em;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 2px 8px #0002;
  user-select: none;
}
.player-tier-badge {
  padding: 0.2em 0.7em;
  border-radius: 8px;
  font-size: 0.98em;
  font-weight: 600;
  background: #b08d57;
  color: #fff;
  letter-spacing: 0.5px;
  box-shadow: 0 1px 4px #0001;
}
.player-tier-badge.bronze { background: #b08d57; }
.player-tier-badge.silver { background: #bfc1c2; color: #333; }
.player-tier-badge.gold { background: #ffd700; color: #333; }
.player-tier-badge.platinum { background: #00bcd4; }
#playerFavoriteMode {
  font-size: 0.98em;
  color: #555;
  display: flex;
  align-items: center;
  gap: 0.3em;
}

#endGameSummaryModal.modal {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(30,40,60,0.25);
  z-index: 10010;
}
#endGameSummaryModal .modal-content {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 8px 32px #0003;
  padding: 2.2em 2.5em 1.5em 2.5em;
  text-align: center;
  max-width: 420px;
  width: 100%;
  position: relative;
}
#endGameSummaryTitle {
  font-size: 2em;
  margin-bottom: 0.7em;
  color: #764ba2;
  letter-spacing: 0.5px;
}
#endGameSummaryContent {
  font-size: 1.13em;
  margin-bottom: 1.2em;
}
#endGameSummaryContent .summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0.5em 0;
  font-size: 1.08em;
}
#endGameSummaryContent .summary-label {
  color: #666;
  font-weight: 500;
}
#endGameSummaryContent .summary-value {
  font-weight: 700;
  color: #333;
}
#endGameSummaryContent .summary-achievements {
  margin-top: 1.2em;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7em;
  justify-content: center;
}
#endGameSummaryContent .summary-achievement {
  display: flex;
  align-items: center;
  gap: 0.4em;
  background: #f8f9fa;
  border-radius: 8px;
  padding: 0.4em 0.9em;
  font-size: 0.98em;
  font-weight: 600;
  box-shadow: 0 1px 4px #0001;
}
#endGameSummaryContent .summary-achievement.bronze { background: #fbeee0; color: #b08d57; }
#endGameSummaryContent .summary-achievement.silver { background: #f4f4f4; color: #bfc1c2; }
#endGameSummaryContent .summary-achievement.gold { background: #fffbe0; color: #ffd700; }
#endGameSummaryContent .summary-achievement.platinum { background: #e0f7fa; color: #00bcd4; }

#endGameSummarySubtitle {
  font-size: 1.08em;
  color: #666;
  margin-bottom: 0.7em;
}
#endGameSummaryModal .modal-content.tier-bronze { background: linear-gradient(135deg,#fff7e0,#fbeee0 80%); }
#endGameSummaryModal .modal-content.tier-silver { background: linear-gradient(135deg,#f4f4f4,#e9e9f9 80%); }
#endGameSummaryModal .modal-content.tier-gold { background: linear-gradient(135deg,#fffbe0,#fff7c0 80%); }
#endGameSummaryModal .modal-content.tier-platinum { background: linear-gradient(135deg,#e0f7fa,#e0faff 80%); }

.animated-achievement {
  animation: fadeInUp 0.7s cubic-bezier(.23,1.01,.32,1) both, bounceGlow 1.2s 1;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes bounceGlow {
  0% { box-shadow: 0 0 0 0 #ffd70044; transform: scale(1); }
  40% { box-shadow: 0 0 16px 8px #ffd70088; transform: scale(1.15); }
  60% { box-shadow: 0 0 8px 4px #ffd70044; transform: scale(0.97); }
  100% { box-shadow: 0 0 0 0 #ffd70000; transform: scale(1); }
}
.score-pop {
  animation: scorePop 0.7s cubic-bezier(.23,1.01,.32,1) both;
}
@keyframes scorePop {
  0% { transform: scale(1); }
  40% { transform: scale(1.25); color: #764ba2; }
  60% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

.timer-circle-container {
  width: 64px;
  height: 64px;
  margin: 0 auto 0.5em auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.timer-svg {
  width: 64px;
  height: 64px;
  transform: rotate(-90deg);
}
.timer-bg {
  stroke: #e0e7ef;
  stroke-width: 7;
}
.timer-fg {
  stroke: #00c853;
  stroke-width: 7;
  stroke-linecap: round;
  transition: stroke 0.3s, stroke-dasharray 0.2s;
}
.timer-fg.warning {
  stroke: #ffd600;
}
.timer-fg.danger {
  stroke: #ff1744;
}
.timer-text {
  position: absolute;
  left: 0; right: 0; top: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25em;
  font-weight: 700;
  color: #333;
  pointer-events: none;
  user-select: none;
}

/* Victory Screen Styles */
.victory-screen-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    animation: victorySlideIn 0.6s ease-out;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes victorySlideIn {
    from {
        transform: translateY(-30px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.victory-header {
    margin-bottom: 1rem;
}

.victory-header h2 {
    font-size: 2rem;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: victoryPulse 2s infinite;
}

@keyframes victoryPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

.victory-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin-top: 0.3rem;
}


.perfect-game-indicator {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #333;
    border-radius: 12px;
    padding: 0.8rem;
    margin: 0.8rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    box-shadow: 0 6px 15px rgba(255, 215, 0, 0.4);
    animation: perfectGameGlow 2s infinite alternate;
}

@keyframes perfectGameGlow {
    from { box-shadow: 0 6px 15px rgba(255, 215, 0, 0.4); }
    to { box-shadow: 0 6px 25px rgba(255, 215, 0, 0.7); }
}

.perfect-game-icon {
    font-size: 1.5rem;
    animation: starSpin 3s infinite linear;
}

@keyframes starSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.perfect-game-text {
    text-align: left;
}

.perfect-game-title {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 0.1rem;
}

.perfect-game-count {
    font-size: 0.9rem;
    opacity: 0.8;
}


.victory-main-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1rem 0;
}


.victory-stats {
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 1rem;
    backdrop-filter: blur(10px);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: bold;
    color: #ffd700;
}


.victory-achievements {
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid rgba(255,255,255,0.1);
}

.victory-achievements h3 {
    margin: 0 0 0.8rem 0;
    font-size: 1rem;
    color: #ffd700;
}

.achievements-list-victory {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 0.8rem;
}

.achievement-victory {
    background: rgba(255,255,255,0.15);
    border-radius: 8px;
    padding: 0.5rem 0.7rem;
    font-size: 0.75rem;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.2);
    animation: achievementPop 0.5s ease-out;
    transition: transform 0.2s ease;
}

.achievement-victory:hover {
    transform: scale(1.05);
}

@keyframes achievementPop {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.achievement-victory.bronze {
    background: linear-gradient(135deg, #cd7f32 0%, #daa520 100%);
    border-color: #b8860b;
}

.achievement-victory.silver {
    background: linear-gradient(135deg, #c0c0c0 0%, #e5e4e2 100%);
    border-color: #a8a8a8;
    color: #333;
}

.achievement-victory.gold {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    border-color: #daa520;
    color: #333;
}

.achievement-victory.platinum {
    background: linear-gradient(135deg, #e5e4e2 0%, #b4b4b4 100%);
    border-color: #8b8b8b;
    color: #333;
}


.next-achievement-hint {
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.2);
}

.hint-icon {
    font-size: 1rem;
    animation: hintBounce 2s infinite;
}

@keyframes hintBounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-3px); }
    60% { transform: translateY(-2px); }
}

.hint-text {
    font-size: 0.8rem;
    opacity: 0.9;
}


.victory-sharing {
    margin: 0.8rem 0;
}

.share-buttons {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    flex-wrap: wrap;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 0.8rem;
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: white;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.3);
}

.whatsapp-btn {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
}

.facebook-btn {
    background: linear-gradient(135deg, #1877f2 0%, #0d6efd 100%);
}

.copy-btn {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
}

.share-icon {
    font-size: 0.9rem;
}


.victory-actions {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
    margin-top: 1rem;
}

.victory-btn {
    padding: 0.7rem 1.2rem;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 90px;
}

.victory-btn.primary {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
}

.victory-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(40, 167, 69, 0.4);
}

.victory-btn.secondary {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
}

.victory-btn.secondary:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}


@media (max-width: 768px) {
    .victory-screen-content {
        padding: 1rem;
        margin: 0.5rem;
        max-height: 95vh;
    }
    
    .victory-header h2 {
        font-size: 1.6rem;
    }
    
    .share-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .share-btn {
        width: 100%;
        max-width: 160px;
        justify-content: center;
    }
    
    .victory-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .victory-btn {
        width: 100%;
        max-width: 160px;
    }
    
    .achievements-list-victory {
        gap: 0.4rem;
    }
    
    .achievement-victory {
        padding: 0.4rem 0.5rem;
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .victory-screen-content {
        padding: 0.8rem;
        margin: 0.3rem;
    }
    
    .victory-header h2 {
        font-size: 1.4rem;
    }
    
    .perfect-game-indicator {
        padding: 0.6rem;
        gap: 0.6rem;
    }
    
    .perfect-game-icon {
        font-size: 1.2rem;
    }
    
    .perfect-game-title {
        font-size: 1rem;
    }
    
    .perfect-game-count {
        font-size: 0.8rem;
    }
    
    .victory-main-content {
        gap: 0.8rem;
    }
    
    .victory-stats, .victory-achievements {
        padding: 0.8rem;
    }
    
    .share-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .victory-btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}


.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.stat-item {
  background: rgba(255,255,255,0.35) !important;
  color: #222 !important;
  border-radius: 12px;
  box-shadow: 0 2px 8px #0002;
  padding: 1.1em 1.3em;
  margin: 0.3em;
  transition: box-shadow 0.2s, background 0.2s, border 0.2s;
  position: relative;
  overflow: hidden;
  border: 2px solid #3a4a6a;
  animation: statPop 0.7s;
}
.stat-item:hover {
  box-shadow: 0 6px 24px #00c3ff44;
  background: linear-gradient(135deg, #2e3e5c 0%, #232c3a 100%);
  border: 2px solid #00c3ff;
}
.stat-value {
  font-size: 1.3em;
  font-weight: bold;
  color: #ffd700;
  animation: statValuePop 0.7s;
}
@keyframes statPop {
  0% { transform: scale(0.95); box-shadow: 0 0 0 #0000; }
  60% { transform: scale(1.05); box-shadow: 0 4px 16px #ffd70044; }
  100% { transform: scale(1); }
}
@keyframes statValuePop {
  0% { color: #fff; }
  60% { color: #ffd700; }
  100% { color: #ffd700; }
}
.stat-value .star, .stat-value .perfect-star {
  display: inline-block;
  animation: starPulse 1.2s infinite alternate;
}
@keyframes starPulse {
  0% { transform: scale(1); filter: drop-shadow(0 0 0 #ffd700); }
  100% { transform: scale(1.18); filter: drop-shadow(0 0 8px #ffd700cc); }
}

.personal-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1.2rem;
}

.personal-stat-item {
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 0.5rem;
    text-align: center;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.2);
    font-size: 0.93em;
}

.personal-stat-label {
    font-size: 0.8em;
    opacity: 0.8;
    margin-bottom: 0.18em;
    font-weight: 500;
}

.personal-stat-value {
    font-size: 1.08em;
}

.personal-stats-sections {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.personal-stats-section {
    background: rgba(255,255,255,0.05);
    border-radius: 10px;
    padding: 1rem;
    border: 1px solid rgba(255,255,255,0.1);
}

.personal-stats-section h3 {
    margin: 0 0 0.8rem 0;
    font-size: 1.1rem;
    color: #ffd700;
}

.mode-scores, .streak-stats, .daily-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 0.3rem;
}

.mode-score, .streak-stat, .daily-stat {
    font-size: 0.85em;
    padding: 0.18rem 0;
}

#closePersonalStats {
    margin-top: 0.5em !important;
    padding: 0.22em 1em !important;
    font-size: 0.93em !important;
}

.game-over-screen-content {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    animation: victorySlideIn 0.6s ease-out;
    max-width: 500px;
    min-width: 320px;
    max-height: 90vh;
    overflow-y: auto;
    font-size: 0.97rem;
}

.game-over-header h2 {
    font-size: 1.6rem;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.stat-row, .stat-label, .stat-value {
    font-size: 0.95rem;
}

.game-over-title {
    font-size: 1.6rem;
}

.target-number {
    font-size: 2.5rem;
}

.share-buttons {
    flex-direction: column;
    align-items: center;
}

.share-btn {
    width: 100%;
    max-width: 160px;
    justify-content: center;
}

.game-over-actions {
    flex-direction: column;
    align-items: center;
}

.game-over-btn {
    width: 100%;
    max-width: 160px;
}

.near-miss-analysis {
    flex-direction: column;
    text-align: center;
    gap: 0.8rem;
}

.near-miss-content {
    text-align: center;
}

@media (max-width: 480px) {
    .game-over-screen-content {
        padding: 0.8rem;
        margin: 0.3rem;
    }
    
    .game-over-title {
        font-size: 1.4rem;
    }
    
    .target-number {
        font-size: 2rem;
    }
    
    .near-miss-icon {
        font-size: 1.5rem;
    }
    
    .near-miss-title {
        font-size: 1rem;
    }
    
    .share-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .game-over-btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}

.player-info-line {
  display: flex;
  align-items: center;
  gap: 0.7em;
  margin-bottom: 0.5em;
  justify-content: center;
}
.player-avatar {
  width: 2em;
  height: 2em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #ececec;
  font-weight: 700;
  font-size: 1.1em;
  color: #333;
  box-shadow: 0 1px 4px #0001;
}
.player-tier-badge {
  padding: 0.18em 0.7em;
  border-radius: 1em;
  font-size: 0.98em;
  font-weight: 500;
  background: #eee;
  color: #333;
  margin-left: 0.2em;
  border: 1px solid #ddd;
}
.player-tier-badge.platinum { background: var(--tier-platinum, #e5e4e2); color: #333; border-color: #b3b3b3; }
.player-tier-badge.gold { background: var(--tier-gold, #ffe066); color: #333; border-color: #e6c200; }
.player-tier-badge.silver { background: var(--tier-silver, #d6d6d6); color: #333; border-color: #b0b0b0; }
.player-tier-badge.bronze { background: var(--tier-bronze, #e0b084); color: #333; border-color: #b97a56; }

.score-summary-card {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border: 1px solid #dee2e6;
  border-radius: 6px;
  padding: 0.45em 0.6em;
  margin: 0.3em 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
  font-size: 0.93em;
}
.score-summary-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1.5px;
  background: linear-gradient(90deg, #007bff, #28a745, #ffc107, #dc3545);
}
.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4em 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  font-size: 1.05em;
}
.stat-row:last-child {
  border-bottom: none;
}
.stat-label {
  font-weight: 600;
  color: #495057;
  flex: 1;
}
.stat-value {
  font-weight: 700;
  color: #212529;
  text-align: right;
  min-width: 3em;
}

.self-comparison-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-size: 0.98em;
  color: #444;
  background: #f6f8fa;
  border-radius: 6px;
  padding: 0.18em 0.7em;
  min-height: 1.7em;
  margin-top: 0.2em;
  margin-bottom: 0.5em;
}
.self-comparison-panel .arrow-up {
  color: #28a745;
  font-size: 1.1em;
  font-weight: bold;
}
.self-comparison-panel .arrow-down {
  color: #dc3545;
  font-size: 1.1em;
  font-weight: bold;
}
.self-comparison-panel .arrow-best {
  color: #ffc107;
  font-size: 1.2em;
  font-weight: bold;
  margin-right: 0.2em;
}

.near-achievement-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-size: 0.97em;
  color: #7c5c00;
  background: #fffbe6;
  border-radius: 6px;
  padding: 0.15em 0.7em;
  min-height: 1.5em;
  margin-bottom: 0.5em;
  box-shadow: 0 1px 2px #0001;
}
.near-achievement-panel .hint-icon {
  color: #ffc107;
  font-size: 1.1em;
  margin-right: 0.2em;
}
.near-achievement-panel .hint-number {
  color: #ff9800;
  font-weight: bold;
}

#personalStatsModal .modal-content {
  padding: 0.4em 2.7em !important;
  max-width: 600px !important;
  min-width: 400px !important;
  font-size: 1.03em !important;
}
#personalStatsContent {
  padding: 0.13em 0.13em 0.22em 0.13em;
  font-size: 1.03em;
}
.personal-stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
  gap: 0.4rem 1.5rem;
  margin-bottom: 1.2rem;
}
.personal-stat-item {
  padding: 0.4rem 0.9rem;
  border-radius: 10px;
  font-size: 1.03em;
}
.personal-stat-label {
  font-size: 0.9em;
  margin-bottom: 0.17em;
}
.personal-stat-value {
  font-size: 1.09em;
}
.personal-stats-sections {
  gap: 0.9rem;
}
.personal-stats-section {
  padding: 0.4rem 0.9rem;
  border-radius: 10px;
}
.personal-stats-section h3 {
  font-size: 1.03em;
  margin-bottom: 0.36em;
}
.mode-scores, .streak-stats, .daily-stats {
  grid-template-columns: repeat(auto-fit, minmax(105px, 1fr));
  gap: 0.28rem 1.5rem;
}
.mode-score, .streak-stat, .daily-stat {
  font-size: 1em;
  padding: 0.19rem 0;
}
#closePersonalStats {
  margin-top: 0.5em !important;
  padding: 0.23em 1.1em !important;
  font-size: 0.98em !important;
}

.ranking-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
}

.ranking-info {
    text-align: center;
}

.ranking-title {
    font-size: 3rem !important;
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--primary-color);
    text-shadow: 0 1px 2px rgba(0,0,0,0.10);
    letter-spacing: 0.5px;
}

.ranking-level {
    font-size: 1.2em;
    margin-bottom: 15px;
    opacity: 0.9;
}

.ranking-progress {
    margin-bottom: 15px;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: rgba(255,255,255,0.2);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #ffd700, #ffed4e);
    border-radius: 6px;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.progress-text {
    font-size: 0.9em;
    opacity: 0.9;
}

.ranking-next {
    font-size: 0.9em;
    opacity: 0.8;
    font-style: italic;
}

.personal-bests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.mode-best-item {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 18px rgba(120, 60, 180, 0.10), 0 1.5px 8px rgba(120, 60, 180, 0.08);
    border: 3px solid;
    border-image: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) 1;
    padding: 22px 18px 18px 18px;
    min-width: 170px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    transition: transform 0.18s, box-shadow 0.18s;
    margin: 0.5em 0.2em;
}
.mode-best-item:hover {
  transform: translateY(-6px) scale(1.04);
  box-shadow: 0 8px 32px rgba(240, 147, 251, 0.18), 0 2px 12px rgba(245, 87, 108, 0.13);
}
.mode-best-title {
  font-size: 16px !important;
  font-weight: 800;
  margin-bottom: 0.7em;
  display: flex;
  align-items: center;
  gap: 0.5em;
  color: #764ba2;
}
.mode-best-icon {
  font-size: 1.5em;
  margin-right: 0.1em;
  display: flex;
  align-items: center;
}
.mode-best-stats {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.3em;
}
.mode-best-stat {
  font-size: 1.13em;
  font-weight: 600;
  color: #2c3e50;
  letter-spacing: 0.2px;
}
@media (max-width: 700px) {
  .mode-best-item {
    min-width: 120px;
    padding: 12px 7px 10px 7px;
  }
  .mode-best-title {
    font-size: 1em;
  }
  .mode-best-icon {
    font-size: 1.1em;
  }
  .mode-best-stat {
    font-size: 0.98em;
  }
}

.advanced-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.advanced-stat-item {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    border-radius: 10px;
    padding: 15px;
    color: white;
    text-align: center;
    box-shadow: 0 4px 15px rgba(79, 172, 254, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.advanced-stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 172, 254, 0.4);
}

.advanced-stat-label {
    font-size: 0.9em;
    opacity: 0.9;
    margin-bottom: 8px;
}

.advanced-stat-value {
    font-size: 1.3em;
    font-weight: bold;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.personal-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.personal-stat-item {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(168, 237, 234, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid rgba(255,255,255,0.2);
}

.personal-stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(168, 237, 234, 0.4);
}

.personal-stat-label {
    font-size: 0.85em;
    color: #666;
    margin-bottom: 8px;
    font-weight: 500;
}

.personal-stat-value {
    font-size: 1.4em;
    font-weight: bold;
    color: #333;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.personal-stats-sections {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.personal-stats-section {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,0,0,0.05);
}

.personal-stats-section h3 {
    margin: 0 0 15px 0;
    color: #333;
    font-size: 1.2em;
    font-weight: 600;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 8px;
}

.mode-scores {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
}

.mode-score {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    color: #333;
    box-shadow: 0 2px 8px rgba(252, 182, 159, 0.3);
}

.streak-stats, .daily-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.streak-stat, .daily-stat {
    background: linear-gradient(135deg, #d299c2 0%, #fef9d7 100%);
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    color: #333;
    box-shadow: 0 2px 8px rgba(210, 153, 194, 0.3);
}

#personalStatsModal .modal-content, .personal-stats-sections {
    max-width: 540px !important;
}

.personal-stats-grid {
    gap: 8px;
    margin-bottom: 15px;
}

.personal-stat-item {
    padding: 8px;
    font-size: 0.98em;
}

.personal-stat-label {
    font-size: 0.78em;
    margin-bottom: 4px;
}

.personal-stat-value {
    font-size: 1.08em;
}

.personal-stats-section {
    padding: 12px;
}

.personal-bests-grid {
    gap: 8px;
    margin-top: 8px;
}

.mode-best-item {
    padding: 8px;
    font-size: 0.97em;
}

.mode-best-title {
    font-size: 1em;
    margin-bottom: 5px;
}

.mode-best-stat {
    font-size: 0.85em;
}

.advanced-stats-grid {
    gap: 8px;
    margin-top: 8px;
}

.advanced-stat-item {
    padding: 8px;
    font-size: 0.97em;
}

.advanced-stat-label {
    font-size: 0.8em;
    margin-bottom: 4px;
}

.advanced-stat-value {
    font-size: 1.08em;
}

.ranking-section {
    padding: 12px;
    font-size: 0.97em;
}

.ranking-title {
    font-size: 1.1em;
}

.ranking-level {
    font-size: 1em;
}

.progress-bar {
    height: 8px;
}

.progress-text, .ranking-next {
    font-size: 0.8em;
}

#personalStatsModal .modal-content, .personal-stats-sections {
    max-width: 800px !important;
}

.personal-stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 4px;
    margin-bottom: 8px;
}

.personal-stat-item {
    padding: 4px 6px;
    font-size: 0.92em;
    min-height: 36px;
}

.personal-stat-label {
    font-size: 0.7em;
    margin-bottom: 2px;
}

.personal-stat-value {
    font-size: 0.98em;
}

.personal-stats-section {
    padding: 7px 10px;
}

.personal-bests-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 4px;
    margin-top: 4px;
}

.mode-best-item {
    padding: 5px 7px;
    font-size: 0.91em;
    min-height: 32px;
}

.mode-best-title {
    font-size: 0.92em;
    margin-bottom: 2px;
}

.mode-best-stat {
    font-size: 0.75em;
}

.advanced-stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 4px;
    margin-top: 4px;
}

.advanced-stat-item {
    padding: 5px 7px;
    font-size: 0.91em;
    min-height: 32px;
}

.advanced-stat-label {
    font-size: 0.7em;
    margin-bottom: 2px;
}

.advanced-stat-value {
    font-size: 0.98em;
}

.ranking-section {
    padding: 7px 10px;
    font-size: 0.91em;
}

.ranking-title {
    font-size: 1em;
}

.ranking-level {
    font-size: 0.92em;
}

.progress-bar {
    height: 6px;
}

.progress-text, .ranking-next {
    font-size: 0.7em;
}

#personalStatsModal .modal-content, .personal-stats-sections {
    max-width: 650px !important;
}

.personal-stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: 2px;
    margin-bottom: 4px;
}

.personal-stat-item {
    padding: 2px 3px;
    font-size: 0.85em;
    min-height: 24px;
}

.personal-stat-label {
    font-size: 0.62em;
    margin-bottom: 1px;
}

.personal-stat-value {
    font-size: 0.89em;
}

.personal-stats-section {
    padding: 4px 6px;
}

.personal-bests-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 2px;
    margin-top: 2px;
}

.mode-best-item {
    padding: 2px 3px;
    font-size: 0.82em;
    min-height: 20px;
}

.mode-best-title {
    font-size: 0.8em;
    margin-bottom: 1px;
}

.mode-best-stat {
    font-size: 0.65em;
}

.advanced-stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: 2px;
    margin-top: 2px;
}

.advanced-stat-item {
    padding: 2px 3px;
    font-size: 0.82em;
    min-height: 20px;
}

.advanced-stat-label {
    font-size: 0.62em;
    margin-bottom: 1px;
}

.advanced-stat-value {
    font-size: 0.89em;
}

.ranking-section {
    padding: 4px 6px;
    font-size: 0.82em;
}

.ranking-title {
    font-size: 0.85em;
}

.ranking-level {
    font-size: 0.8em;
}

.progress-bar {
    height: 4px;
}

.progress-text, .ranking-next {
    font-size: 0.6em;
}

#personalStatsModal .modal-content, .personal-stats-sections {
    max-width: 950px !important;
}

.personal-stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
    gap: 1px;
    margin-bottom: 2px;
}

.personal-stat-item {
    padding: 1px 2px;
    font-size: 0.72em;
    min-height: 16px;
}

.personal-stat-label {
    font-size: 0.5em;
    margin-bottom: 0;
}

.personal-stat-value {
    font-size: 0.7em;
}

.personal-stats-section {
    padding: 2px 3px;
}

.personal-bests-grid {
    grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
    gap: 1px;
    margin-top: 1px;
}

.mode-best-item {
    padding: 1px 2px;
    font-size: 0.7em;
    min-height: 12px;
}

.mode-best-title {
    font-size: 0.65em;
    margin-bottom: 0;
}

.mode-best-stat {
    font-size: 0.5em;
}

.advanced-stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
    gap: 1px;
    margin-top: 1px;
}

.advanced-stat-item {
    padding: 1px 2px;
    font-size: 0.7em;
    min-height: 12px;
}

.advanced-stat-label {
    font-size: 0.5em;
    margin-bottom: 0;
}

.advanced-stat-value {
    font-size: 0.7em;
}

.ranking-section {
    padding: 2px 3px;
    font-size: 0.7em;
}

.ranking-title {
    font-size: 0.7em;
}

.ranking-level {
    font-size: 0.65em;
}

.progress-bar {
    height: 2px;
}

.progress-text, .ranking-next {
    font-size: 0.45em;
}

#personalStatsModal .modal-content, .personal-stats-sections {
    max-width: 1200px !important;
}

.personal-bests-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(160px, 1fr));
    column-gap: 18px;
    row-gap: 16px;
    margin-top: 18px;
    justify-items: stretch;
    align-items: start;
}

.mode-best-item {
    min-width: 160px;
    min-height: 60px;
    padding: 10px 12px;
    font-size: 0.95em;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    box-sizing: border-box;
}

.mode-best-title {
    font-size: 1em;
    margin-bottom: 4px;
    font-weight: bold;
    text-align: left;
}

.mode-best-stats {
    width: 100%;
}

.mode-best-stat {
    font-size: 0.85em;
    text-align: left;
    margin-bottom: 2px;
}

.stats-tabs {
  display: flex;
  gap: 0.7em;
  margin-bottom: 1.5em;
  justify-content: center;
  flex-wrap: wrap;
}
.stats-tabs .tab-btn {
  background: var(--card-background);
  color: var(--primary-color);
  border: 2.5px solid var(--border-color);
  border-radius: 12px 12px 0 0;
  padding: 1em 2.2em;
  font-size: 1.25em;
  font-weight: 700;
  min-height: 3.2em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border 0.2s;
  outline: none;
  box-shadow: 0 2px 12px var(--shadow-color);
  position: relative;
  z-index: 1;
  letter-spacing: 0.5px;
}
.stats-tabs .tab-btn.active {
  background: var(--secondary-color);
  color: #fff;
  border-bottom: 2.5px solid var(--secondary-color);
  z-index: 2;
}
.stats-tabs .tab-btn:not(.active):hover {
  background: var(--accent-color);
  color: #fff;
  border-color: var(--accent-color);
}
.tab-content {
  background: var(--card-background);
  border-radius: 0 0 16px 16px;
  box-shadow: 0 2px 16px var(--shadow-color);
  padding: 2em 1.5em 2em 1.5em;
  margin-bottom: 1.5em;
  animation: fadeIn 0.3s;
  font-size: 1.18em;
}

.personal-stats-grid, .advanced-stats-grid, .personal-bests-grid, .mode-scores, .streak-stats, .daily-stats {
  font-size: 1.18em;
}
.personal-stat-item, .advanced-stat-item, .mode-best-item, .mode-score, .streak-stat, .daily-stat {
  font-size: 1.13em;
}

.personal-stats-section h3, #personalStatsTitle {
  font-size: 1.45em;
  font-weight: 800;
  margin-bottom: 0.7em;
  letter-spacing: 0.5px;
}

@media (max-width: 600px) {
  .stats-tabs .tab-btn {
    font-size: 1em;
    padding: 0.7em 0.8em;
    min-height: 2.2em;
  }
  .tab-content {
    padding: 1em 0.3em 1em 0.3em;
    font-size: 1em;
  }
  .personal-stats-section h3, #personalStatsTitle {
    font-size: 1.1em;
  }
}

.ranking-xp-to-next {
  font-size: 1.1em;
  color: #555;
  margin-top: 0.3em;
  text-align: center;
  opacity: 0.85;
}

.mode-best-item {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 1.5px 5px rgba(120, 60, 180, 0.07), 0 1px 2px rgba(120, 60, 180, 0.04);
  border: 1.5px solid;
  border-image: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) 1;
  padding: 7px 5px 6px 5px;
  min-width: 80px;
  min-height: 55px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  transition: transform 0.12s, box-shadow 0.12s;
  margin: 0.18em 0.08em;
}
.mode-best-item:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 3px 10px rgba(240, 147, 251, 0.09), 0 1px 4px rgba(245, 87, 108, 0.06);
}
.mode-best-title {
  font-size: 0.92em;
  font-weight: 700;
  margin-bottom: 0.18em;
  display: flex;
  align-items: center;
  gap: 0.22em;
  color: #764ba2;
}
.mode-best-icon {
  font-size: 1em;
  margin-right: 0.05em;
  display: flex;
  align-items: center;
}
.mode-best-stats {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.08em;
}
.mode-best-stat {
  font-size: 0.82em;
  font-weight: 500;
  color: #2c3e50;
  letter-spacing: 0.05px;
}
@media (max-width: 700px) {
  .mode-best-item {
    min-width: 55px;
    padding: 4px 2px 3px 2px;
  }
  .mode-best-title {
    font-size: 0.7em;
  }
  .mode-best-icon {
    font-size: 0.7em;
  }
  .mode-best-stat {
    font-size: 0.7em;
  }
}