/* ear-training.css */
:root {
    --deep-ocean: #0A1929;
    --ocean-dark: #071423;
    --ocean-blue: #1E3A5F;
    --navy-blue: #0D2847;
    --crisp-blue: #2D5AA0;
    --highlight-blue: #3A7BC8;
    --electric-blue: #00BFFF;
    --seafoam: #2EC4B6;
    --crisp-white: #FFFFFF;
    --off-white: #F0F8FF;
    --light-gray: #E6F0FF;
    --medium-gray: #8FA3BF;
    --dark-gray: #4A5F7A;
    --shadow-blue: rgba(10, 25, 41, 0.8);
    --glow-blue: rgba(45, 90, 160, 0.4);
    
    --transition-crisp: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --shadow-crisp: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-deep: 0 4px 20px rgba(0, 0, 0, 0.6);
    --shadow-float: 0 8px 32px rgba(0, 0, 0, 0.8);
    --border-crisp: 2px solid var(--crisp-blue);
    --border-light: 1px solid rgba(45, 90, 160, 0.3);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --game-correct: #2EC4B6;
    --game-incorrect: #FF6B6B;
    --game-active: #00BFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background:
        linear-gradient(135deg, var(--deep-ocean) 0%, var(--ocean-dark) 100%),
        url('/theory/scales/backg.png');
    background-repeat: repeat;
    background-size: 500px;
    background-blend-mode: overlay;
    color: var(--crisp-white);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Touch-friendly improvements */
button, .btn, .note-option, .scale-option, .mode-btn {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.ear-training-main {
    padding-top: 80px;
    position: relative;
    z-index: 2;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.theory-hero {
    position: relative;
    min-height: 150px !important;
    padding: 2rem 0;
    text-align: center;
    overflow: hidden;
    border-bottom: var(--border-crisp);
    box-shadow: var(--shadow-deep);
    margin-bottom: 3rem;
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-width: 100%;
    min-height: 100%;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg, 
        rgba(10, 25, 41, 0.85) 0%, 
        rgba(29, 58, 95, 0.7) 50%, 
        rgba(10, 25, 41, 0.85) 100%
    );
    z-index: 2;
}

.theory-hero .container {
    position: relative;
    z-index: 2;
}

.theory-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--crisp-white);
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
    letter-spacing: -0.5px;
}

.theory-hero p {
    font-size: 1.2rem;
    color: var(--off-white);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 400;
    opacity: 0.95;
}

.ear-training-display {
    padding: 2rem 0;
}

.ear-training-wrapper {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 2rem;
}

.game-selection-section {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border: var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-deep);
    position: relative;
    overflow: hidden;
}

.game-selection-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.game-card {
    background: linear-gradient(145deg, rgba(10, 25, 41, 0.8), rgba(30, 58, 95, 0.6));
    border: var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition-spring);
    position: relative;
    overflow: hidden;
}

.game-card:hover {
    border-color: var(--crisp-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-float);
}

.game-icon {
    font-size: 2rem;
    color: var(--seafoam);
    margin-bottom: 1rem;
}

.game-card h4 {
    color: var(--crisp-white);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.game-card p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.game-stats-mini {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    justify-content: space-between;
}

.mini-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.mini-stat-label {
    color: var(--medium-gray);
    font-size: 0.7rem;
    margin-bottom: 0.25rem;
}

.mini-stat-value {
    color: var(--seafoam);
    font-size: 0.9rem;
    font-weight: 700;
}

.game-difficulty {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.difficulty-with-score {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.difficulty-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--medium-gray);
}

.difficulty-score {
    font-size: 0.7rem;
    color: var(--medium-gray);
}

.game-play-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: linear-gradient(145deg, var(--crisp-blue), var(--highlight-blue));
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--crisp-white);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition-spring);
    margin-top: 1rem;
}

.game-play-btn:hover {
    background: linear-gradient(145deg, var(--highlight-blue), var(--electric-blue));
    transform: translateY(-2px);
    color: var(--crisp-white);
}

.games-list-section {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border: var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    height: fit-content;
    position: sticky;
    top: 100px;
    transition: var(--transition-crisp);
}

.games-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: var(--border-light);
}

.games-list-header h3 {
    color: var(--crisp-white);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--medium-gray);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-crisp);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--crisp-white);
}

.coming-soon {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: var(--border-light);
}

.coming-soon h4 {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.coming-soon-games {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.coming-soon-game {
    background: rgba(10, 25, 41, 0.3);
    border: 1px solid rgba(45, 90, 160, 0.2);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    text-align: center;
    opacity: 0.7;
}

.coming-soon-game .game-icon {
    font-size: 1rem;
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
}

.coming-soon-game h5 {
    color: var(--medium-gray);
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.coming-soon-game p {
    color: var(--dark-gray);
    font-size: 0.7rem;
}

.game-details {
    margin-top: 3rem;
    padding: 2rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2rem;
    color: var(--crisp-white);
    margin-bottom: 0.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.section-header p {
    color: var(--medium-gray);
    font-size: 1.1rem;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.detail-card {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border: var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-crisp);
}

.detail-card:hover {
    border-color: var(--crisp-blue);
    box-shadow: 0 8px 25px rgba(45, 90, 160, 0.4);
}

.detail-card h3 {
    color: var(--crisp-white);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-card p {
    color: var(--light-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 25, 41, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    border-bottom: var(--border-light);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h1 {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--electric-blue), var(--seafoam));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--light-gray) !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    transition: var(--transition-crisp) !important;
    position: relative !important;
    padding: 0.5rem 0 !important;
}

.nav-link::after {
    content: '' !important;
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 0 !important;
    height: 2px !important;
    background: linear-gradient(90deg, var(--electric-blue), var(--seafoam)) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.nav-link:hover,
.nav-link.active {
    color: var(--crisp-white) !important;
}

.nav-link.active::after,
.nav-link:hover::after {
    width: 100% !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--crisp-white);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.footer, .site-footer {
    background: transparent;
    padding: 1rem 0 1rem;
    border-top: none;
    position: relative;
    z-index: 2;
    margin-top: 3rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.footer-text p {
    color: var(--medium-gray);
    font-size: 0.85rem;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--medium-gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--electric-blue);
}

.footer-links a:visited {
    color: #9e85c9;
}

.footer-links a:visited:hover {
    color: var(--seafoam);
}

.footer-copyright {
    color: var(--medium-gray);
    font-size: 0.85rem;
    margin: 0;
}

.game-stats-card {
    background: linear-gradient(145deg, rgba(10, 25, 41, 0.8), rgba(30, 58, 95, 0.6));
    border: var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition-crisp);
}

.game-stats-card h3 {
    color: var(--crisp-white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.profile-stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.stat-icon {
    font-size: 1.5rem;
    color: var(--seafoam);
}

.profile-stat > div {
    display: flex;
    flex-direction: column;
}

.stat-label {
    color: var(--medium-gray);
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.stat-value {
    color: var(--crisp-white);
    font-size: 1.5rem;
    font-weight: 800;
}

.level-progress {
    margin-top: 1rem;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    color: var(--medium-gray);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.progress-bar {
    height: 8px;
    background: rgba(45, 90, 160, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--seafoam), var(--electric-blue));
    border-radius: 4px;
    transition: width 0.5s ease;
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin: 1rem 0;
}

.performance-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(10, 25, 41, 0.3);
    border-radius: var(--radius-sm);
}

.perf-icon {
    font-size: 1.2rem;
    color: var(--seafoam);
}

.perf-icon.beginner { color: var(--seafoam); }
.perf-icon.intermediate { color: #FF9F1C; }
.perf-icon.advanced { color: #FF6B6B; }

.perf-details {
    flex: 1;
}

.perf-label {
    color: var(--medium-gray);
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.perf-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
}

.perf-stat {
    color: var(--crisp-white);
}

.perf-stat strong {
    color: var(--seafoam);
}

.mastery-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(45, 90, 160, 0.2);
}

.mastery-label {
    color: var(--medium-gray);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mastery-progress {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--seafoam);
    font-weight: 700;
}

.mastery-count {
    color: var(--medium-gray);
    font-size: 0.8rem;
}

.daily-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1rem 0;
}

.daily-stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.daily-icon {
    font-size: 1.2rem;
    color: var(--electric-blue);
}

.daily-label {
    color: var(--medium-gray);
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.daily-value {
    color: var(--crisp-white);
    font-weight: 800;
    font-size: 1.2rem;
}

.daily-encouragement {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(45, 90, 160, 0.2);
    border-radius: var(--radius-sm);
    margin-top: 1rem;
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.insights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.insight {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.insight-icon {
    font-size: 1.2rem;
    color: var(--crisp-blue);
}

.insight-label {
    color: var(--medium-gray);
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.insight-value {
    color: var(--crisp-white);
    font-weight: 700;
    font-size: 0.9rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-spring);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    box-shadow: var(--shadow-deep);
}

.btn-secondary {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    color: var(--crisp-white);
    border: 2px solid rgba(45, 90, 160, 0.5);
}

.btn-secondary:hover:not(:disabled) {
    background: linear-gradient(145deg, var(--ocean-blue), var(--crisp-blue));
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-float);
    border-color: var(--crisp-blue);
}

.scale-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: var(--border-light);
}

.scale-header-content {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.dashboard-profile-picture {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(0, 191, 255, 0.4);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.dashboard-profile-picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.dashboard-profile-picture:hover {
    transform: scale(1.08);
    border-color: var(--electric-blue);
    box-shadow: 0 0 20px rgba(0, 191, 255, 0.4), 0 0 40px rgba(168, 85, 247, 0.2);
}

.scale-header h2 {
    font-size: 2rem;
    color: var(--crisp-white);
    margin-bottom: 0.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.scale-meta {
    display: flex;
    gap: 1.5rem;
}

.scale-meta span {
    font-size: 0.9rem;
    color: var(--medium-gray);
    font-weight: 600;
}

/* Dashboard Header Buttons */
.dashboard-header-buttons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.btn-leaderboard {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, #F59E0B, #D97706);
    color: #1F2937;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-leaderboard:hover {
    background: linear-gradient(135deg, #FBBF24, #F59E0B);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-leaderboard i {
    font-size: 1.1rem;
}

.warning-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.warning-modal.active {
    display: flex;
}

.warning-content {
    background: linear-gradient(145deg, var(--navy-blue), var(--ocean-blue));
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: 90%;
    max-width: 400px;
    border: var(--border-crisp);
    box-shadow: var(--shadow-float);
}

.warning-icon {
    font-size: 3rem;
    color: #FF9F1C;
    text-align: center;
    margin-bottom: 1rem;
}

.warning-title {
    color: var(--crisp-white);
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.warning-message {
    color: var(--medium-gray);
    text-align: center;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.warning-actions {
    display: flex;
    gap: 1rem;
}

.warning-actions .btn {
    flex: 1;
}

.warning-checkbox {
    margin-top: 1rem;
}

.warning-checkbox label {
    color: var(--medium-gray);
    font-size: 0.9rem;
    cursor: pointer;
}

.difficulty-filters {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.difficulty-filter {
    flex: 1;
    padding: 0.5rem;
    background: rgba(45, 90, 160, 0.2);
    border: 1px solid rgba(45, 90, 160, 0.3);
    border-radius: var(--radius-sm);
    color: var(--medium-gray);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-crisp);
}

.difficulty-filter:hover {
    background: rgba(45, 90, 160, 0.3);
    color: var(--crisp-white);
}

.difficulty-filter.active {
    background: var(--crisp-blue);
    border-color: var(--electric-blue);
    color: var(--crisp-white);
}

.score-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: rgba(10, 25, 41, 0.3);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
    border-left: 3px solid var(--seafoam);
}

.score-item.intermediate {
    border-left-color: #FF9F1C;
}

.score-item.advanced {
    border-left-color: #FF6B6B;
}

.score-game {
    font-weight: 600;
    color: var(--crisp-white);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.score-value {
    font-weight: 800;
    color: var(--seafoam);
    font-size: 1.1rem;
}

.score-difficulty {
    font-size: 0.7rem;
    color: var(--medium-gray);
    margin-top: 0.25rem;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(10, 25, 41, 0.3);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.activity-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--crisp-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--crisp-white);
}

.activity-details {
    flex: 1;
}

.activity-game {
    font-weight: 600;
    color: var(--crisp-white);
    font-size: 0.85rem;
}

.activity-score {
    color: var(--seafoam);
    font-size: 0.8rem;
    margin-top: 0.1rem;
}

.activity-time {
    color: var(--medium-gray);
    font-size: 0.7rem;
}

.no-activity {
    text-align: center;
    padding: 1rem;
    color: var(--medium-gray);
    font-style: italic;
}

.difficulty-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-top: 0.5rem;
}

.difficulty-badge.beginner {
    background: rgba(46, 196, 182, 0.2);
    color: var(--seafoam);
    border: 1px solid rgba(46, 196, 182, 0.3);
}

.difficulty-badge.intermediate {
    background: rgba(255, 159, 28, 0.2);
    color: #FF9F1C;
    border: 1px solid rgba(255, 159, 28, 0.3);
}

.difficulty-badge.advanced {
    background: rgba(255, 107, 107, 0.2);
    color: #FF6B6B;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

@media (max-width: 1200px) {
    .ear-training-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .games-list-section {
        position: static;
    }
}

@media (max-width: 992px) {
    .details-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .profile-stats,
    .performance-grid,
    .daily-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .ear-training-wrapper {
        grid-template-columns: 1fr;
    }
    
    .games-list-section {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        z-index: 1000;
        border-radius: 0;
        transition: right 0.3s ease;
        overflow-y: auto;
        padding-top: 4rem;
    }
    
    .games-list-section.active {
        right: 0;
    }
    
    #toggle-games-panel {
        display: flex !important;
    }
    
    .coming-soon-games {
        grid-template-columns: repeat(2, 1fr);
    }
}

#toggle-games-panel ,#close-games-list{display: none;}

@media (max-width: 768px) {
    .details-grid,
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .scale-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .dashboard-header-buttons {
        width: 100%;
        flex-direction: row;
        justify-content: center;
    }
    
    .btn-leaderboard .btn-text {
        display: none;
    }
    
    .btn-leaderboard {
        padding: 0.75rem 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--navy-blue), var(--ocean-blue));
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-bottom: var(--border-light);
        box-shadow: var(--shadow-deep);
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 0.75rem 0;
        width: 100%;
        text-align: center;
    }

    .hamburger {
        display: flex;
    }
    
    .profile-stats,
    .performance-grid,
    .daily-stats,
    .insights {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .warning-actions {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }
    
    .scale-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .coming-soon-games {
        grid-template-columns: 1fr;
    }
    
    .difficulty-filters {
        flex-wrap: wrap;
    }
    
    .difficulty-filter {
        flex: none;
        width: calc(50% - 0.25rem);
    }
    
    .profile-stats,
    .performance-grid,
    .daily-stats,
    .insights {
        grid-template-columns: 1fr;
    }
}
/* ============================================
   ENHANCED MOBILE RESPONSIVE STYLES
   ============================================ */

/* Tablet Portrait (768px - 1024px) */
@media (max-width: 1024px) and (min-width: 769px) {
    .ear-training-wrapper {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .game-selection-section {
        max-width: 100%;
    }
    
    .profile-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .daily-stats {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .insights-grid-enhanced {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile Improvements */
@media (max-width: 768px) {
    /* Prevent overflow */
    html, body {
        overflow-x: hidden;
        width: 100%;
    }
    
    .container {
        padding: 0 0.75rem;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* Header */
    .scale-header {
        padding: 1rem 0;
        text-align: center;
    }
    
    .scale-header h2 {
        font-size: 1.3rem;
    }
    
    .scale-meta {
        font-size: 0.85rem;
    }
    
    /* Dashboard Header with Profile Picture */
    .dashboard-header-content {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .dashboard-profile-pic {
        width: 60px;
        height: 60px;
    }
    
    .dashboard-header-buttons {
        flex-direction: row;
        gap: 0.5rem;
        justify-content: center;
    }
    
    .dashboard-header-buttons .btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    /* Game Stats Cards */
    .game-stats-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .game-stats-card h3 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    
    /* Profile Stats */
    .profile-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }
    
    .profile-stat {
        padding: 0.75rem 0.5rem;
        flex-direction: column;
        text-align: center;
        gap: 0.25rem;
    }
    
    .stat-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    .stat-value {
        font-size: 1.1rem;
    }
    
    /* Level Progress */
    .level-progress {
        margin-top: 1rem;
    }
    
    .progress-text {
        font-size: 0.8rem;
    }
    
    /* Performance Accordion */
    .accordion-header {
        padding: 0.75rem;
    }
    
    .accordion-title {
        font-size: 0.95rem;
    }
    
    .accordion-stats {
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .accordion-stat {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    .accordion-content {
        padding: 0.75rem;
    }
    
    .performance-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .performance-item {
        padding: 0.6rem;
    }
    
    .perf-value {
        font-size: 1.1rem;
    }
    
    .perf-label {
        font-size: 0.7rem;
    }
    
    /* Daily Stats */
    .daily-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .daily-stat {
        padding: 0.75rem;
    }
    
    .daily-value {
        font-size: 1.3rem;
    }
    
    .daily-label {
        font-size: 0.7rem;
    }
    
    .daily-encouragement {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
    
    /* Insights Grid */
    .insights-grid-enhanced {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .insight-card {
        padding: 0.75rem;
        flex-direction: column;
        text-align: center;
    }
    
    .insight-icon-large {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .insight-label {
        font-size: 0.7rem;
    }
    
    .insight-value {
        font-size: 0.95rem;
    }
    
    /* Recommendation Banner */
    .recommendation-banner {
        padding: 0.75rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .recommendation-icon {
        width: 35px;
        height: 35px;
    }
    
    .recommendation-title {
        font-size: 0.85rem;
    }
    
    .recommendation-message {
        font-size: 0.8rem;
    }
    
    /* Games List Section */
    .games-list-section {
        padding: 1rem;
        padding-top: 3.5rem;
    }
    
    .games-list-header {
        padding: 0.75rem;
    }
    
    .games-list-header h3 {
        font-size: 1.1rem;
    }
    
    .games-grid {
        gap: 0.75rem;
    }
    
    .game-card {
        padding: 1rem;
    }
    
    .game-card h4 {
        font-size: 1rem;
    }
    
    .game-card p {
        font-size: 0.8rem;
    }
    
    /* Coming Soon */
    .coming-soon {
        padding: 1rem;
    }
    
    .coming-soon h4 {
        font-size: 1rem;
    }
    
    .coming-soon-games {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .coming-soon-game {
        padding: 0.75rem;
    }
    
    /* Footer */
    footer {
        padding: 1.5rem 0;
    }
    
    .footer-text {
        font-size: 0.8rem;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem 1rem;
    }
}

/* Small Mobile (< 400px) */
@media (max-width: 400px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .scale-header h2 {
        font-size: 1.15rem;
    }
    
    .dashboard-profile-pic {
        width: 50px;
        height: 50px;
    }
    
    .profile-stats {
        grid-template-columns: 1fr 1fr 1fr;
    }
    
    .stat-icon {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .daily-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    .insights-grid-enhanced {
        grid-template-columns: 1fr 1fr;
    }
    
    .accordion-stats {
        display: none;
    }
    
    .performance-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Fix header on mobile when menu is open */
@media (max-width: 768px) {
    .nav-menu.active {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* Practice Mode Indicator */
.practice-mode-indicator {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.08));
    border: 1px solid rgba(245, 158, 11, 0.4);
    border-radius: 8px;
    padding: 8px 16px;
    margin-bottom: 12px;
    text-align: center;
    color: #F59E0B;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.practice-mode-indicator i {
    font-size: 1rem;
}

/* Round Transition Screen */
.round-transition-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    min-height: 400px;
    animation: fadeIn 0.3s ease;
}

.round-transition-header h2 {
    font-size: 1.8rem;
    color: var(--light-text, #ffffff);
    margin-bottom: 0.5rem;
}

.round-transition-header .round-progress-label {
    font-size: 1rem;
    color: var(--medium-gray, #888);
    margin-bottom: 1.5rem;
}

.round-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
    width: 100%;
    max-width: 400px;
}

.round-summary-stat {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
}

.round-summary-stat .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue, #00BFFF);
}

.round-summary-stat .stat-label {
    font-size: 0.75rem;
    color: var(--medium-gray, #888);
    margin-top: 4px;
}

.round-transition-message {
    font-size: 1.1rem;
    color: var(--seafoam, #00D4AA);
    margin: 1.5rem 0;
    padding: 12px 24px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 8px;
    font-weight: 500;
}

.round-transition-message.speed-warning {
    color: #F59E0B;
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
}

.round-transition-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.round-transition-actions .btn {
    min-width: 140px;
}

.round-progress-bar {
    width: 100%;
    max-width: 300px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.round-progress-bar .progress-fill {
    height: 100%;
    background: var(--accent-blue, #00BFFF);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Game round/question progress display */
.game-round-info {
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: 0.8rem;
    color: var(--medium-gray, #888);
    margin-bottom: 4px;
}

.game-round-info span {
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}