/* ========== VARIABLES CSS ========== */
:root {
    /* Palette musicale — tons violets/dorés */
    --primary-color: #7c3aed;
    --primary-hover: #6d28d9;
    --secondary-color: #64748b;
    --success-color: #16a34a;
    --error-color: #dc2626;
    --warning-color: #d97706;
    --accent-color: #f59e0b;

    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-white: #ffffff;

    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);

    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
}

/* Dark theme */
[data-theme="dark"] {
    --primary-color: #8b5cf6;
    --primary-hover: #a78bfa;
    --secondary-color: #94a3b8;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --accent-color: #fbbf24;

    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;

    --gray-50: #0f172a;
    --gray-100: #1e293b;
    --gray-200: #334155;
    --gray-300: #475569;
    --gray-400: #64748b;
    --gray-500: #94a3b8;
    --gray-600: #cbd5e1;
    --gray-700: #e2e8f0;
    --gray-800: #f1f5f9;
    --gray-900: #f8fafc;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
}

/* ========== RESET ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: var(--font-size-base);
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4 {
    font-family: 'Bricolage Grotesque', 'Hanken Grotesk', sans-serif;
    letter-spacing: -0.02em;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

.hidden {
    display: none !important;
}

/* ========== HEADER ========== */
.main-header {
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    color: white;
    padding: var(--spacing-sm) var(--spacing-xl);
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}

[data-theme="dark"] .main-header {
    background: linear-gradient(135deg, #1e1b4b, #312e81);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: white;
    flex-shrink: 0;
}

.logo img {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
}

.logo-text {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.header-countdown-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255,255,255,0.15);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    white-space: nowrap;
    backdrop-filter: blur(4px);
}

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

.header-countdown {
    font-variant-numeric: tabular-nums;
    min-width: 80px;
}

.practice-indicator {
    background: var(--accent-color);
    color: #1e293b;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
}

.main-nav {
    margin-left: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    list-style: none;
}

.nav-links a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.nav-links a:hover { background: rgba(255,255,255,0.15); }
.nav-links a[aria-current="page"] { background: rgba(255,255,255,0.2); }

#user-status {
    color: rgba(255,255,255,0.8);
    font-size: var(--font-size-xs);
    padding: 4px 10px;
    background: rgba(0,0,0,0.2);
    border-radius: 999px;
    white-space: nowrap;
}

/* Hamburger */
.hamburger-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.hamburger-active .hamburger-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger-active .hamburger-line:nth-child(2) { opacity: 0; }
.hamburger-active .hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Nav buttons */
.btn-login-header {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 6px 14px;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: var(--font-size-sm);
}

.btn-login-header:hover { background: rgba(255,255,255,0.3); }

.btn-theme-toggle {
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 6px 10px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-theme-toggle:hover { background: rgba(255,255,255,0.2); transform: scale(1.1); }

.btn-logout {
    background: rgba(239,68,68,0.8);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-logout:hover { background: #dc2626; }

/* ========== CONTAINER ========== */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.section {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== AUTH MODAL ========== */
.auth-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    max-width: 900px;
    width: 92%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    z-index: 1;
    padding: var(--spacing-xl);
    animation: scaleIn 0.25s ease-out;
}

@keyframes scaleIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background var(--transition-fast);
    z-index: 2;
}

.modal-close:hover { background: var(--gray-100); }

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-lg);
}

.auth-section {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.auth-section h2 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.benefits-section {
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: white;
}

.benefits-section h2 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    text-align: center;
    color: white;
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefits-list li {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.benefit-icon { font-size: 1.5rem; flex-shrink: 0; }
.benefits-list strong { display: block; margin-bottom: 2px; }
.benefits-list p { font-size: var(--font-size-sm); opacity: 0.9; margin: 0; }

/* ========== FORM INPUTS ========== */
input[type="email"],
input[type="password"],
input[type="text"] {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    margin-bottom: var(--spacing-sm);
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

input::placeholder { color: var(--gray-400); }

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* ========== BUTTONS ========== */
.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--gray-300);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast);
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

.btn-secondary:hover { background: var(--gray-100); }

.btn-google {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--gray-300);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: background var(--transition-fast);
}

.btn-google:hover { background: var(--gray-100); }

.google-icon {
    background: linear-gradient(45deg, #4285f4, #34a853, #fbbc05, #ea4335);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
    font-size: 1.2em;
}

/* ========== GAME SECTION ========== */
.game-section {
    text-align: center;
}

.game-section h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Lives */
.lives-container {
    font-size: 1.5rem;
    letter-spacing: 4px;
    margin-bottom: var(--spacing-sm);
}

/* Progress bar */
.progress-container {
    margin-bottom: var(--spacing-lg);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: 999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #059669);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s ease;
    border-radius: 999px;
    position: relative;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.progress-percentage {
    font-weight: 700;
    color: var(--primary-color);
    font-variant-numeric: tabular-nums;
}

/* Search */
.search-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.search-input-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    pointer-events: none;
    z-index: 1;
}

#search-artist {
    width: 100%;
    font-size: var(--font-size-lg);
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 48px;
    text-align: left;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

#search-artist:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.12);
}

.search-hint {
    font-size: var(--font-size-xs);
    color: var(--gray-400);
    margin-top: var(--spacing-xs);
}

/* Suggestions / Autocomplete */
.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 2px solid var(--gray-300);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    max-height: 320px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--gray-100);
    transition: background var(--transition-fast);
}

.suggestion-item:hover,
.suggestion-highlighted {
    background: var(--gray-100);
}

.suggestion-item:last-child { border-bottom: none; }

.suggestion-thumb {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--gray-200);
}

.suggestion-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.suggestion-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    color: white;
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.suggestion-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.suggestion-name {
    font-weight: 600;
    color: var(--text-primary);
}

.suggestion-meta {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* ========== WELCOME ========== */
.welcome-section {
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    margin: var(--spacing-md) 0;
}

.welcome-section h2 { font-size: var(--font-size-2xl); margin-bottom: var(--spacing-sm); }

/* ========== HISTORY ========== */
.history-grid {
    display: grid;
    gap: var(--spacing-md);
}

.history-item {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: var(--spacing-md);
    align-items: center;
    position: relative;
}

.history-item::before {
    content: attr(data-essai);
    position: absolute;
    top: -8px;
    left: var(--spacing-md);
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.history-item.correct-answer {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border-color: #10b981;
}

.history-item.correct-answer strong { color: white; }

.history-item img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.history-item-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.history-item strong {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

/* Indices */
.indices-container {
    display: flex;
    flex-wrap: wrap;            /* responsive : les indices passent à la ligne sur mobile au lieu de déborder */
    gap: 4px;
    min-width: 0;
}

.indice-item {
    background: var(--gray-100);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border: 1px solid var(--gray-200);
    white-space: nowrap;
}
/* Responsive indices + historique (mobile) */
@media (max-width: 480px){
    .indices-container{ gap: 4px; }
    .indice-item{ font-size: .68rem !important; padding: 3px 7px !important; }
}
@media (max-width: 380px){
    .indice-item{ font-size: .62rem !important; padding: 2px 6px !important; }
    .history-item{ grid-template-columns: 44px 1fr !important; gap: 10px !important; }
    .history-item img, .history-item-placeholder{ width: 44px !important; height: 44px !important; }
}

.correct-answer .indice-item {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.3);
    color: white;
}

/* ========== EVOLUTION PHRASE ========== */
.evolution-section {
    text-align: center;
}

.evolution-section h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.evolution-phrase {
    font-size: var(--font-size-base);
    line-height: 1.8;
    font-weight: 500;
}

.correct-value { color: var(--success-color); font-weight: 700; }
.range-value { color: var(--warning-color); font-weight: 600; }

/* ========== CONGRATULATIONS ========== */
.congratulations {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.3);
    animation: slideDown 0.4s ease-out;
}

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

.congratulations h2 { font-size: var(--font-size-3xl); margin-bottom: var(--spacing-sm); }

.congratulations.defeat {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.3);
}

.cta-account-section {
    background: rgba(255,255,255,0.15);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
}

.cta-account-section h3 { margin-bottom: var(--spacing-xs); }
.cta-account-section p { margin-bottom: var(--spacing-md); opacity: 0.95; }

.btn-cta-primary {
    background: white;
    color: var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: none;
    font-size: var(--font-size-base);
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.btn-cta-primary:hover { transform: translateY(-2px); }

.cta-replay-section { margin-top: var(--spacing-lg); }

.btn-cta-replay {
    background: white;
    color: var(--primary-color);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: none;
    font-size: var(--font-size-lg);
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition-fast);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.btn-practice { cursor: pointer !important; opacity: 1 !important; }
.btn-cta-replay:hover { transform: scale(1.03); }
.next-game-info { margin-top: var(--spacing-sm); font-size: var(--font-size-sm); opacity: 0.9; }

/* Share section */
.share-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.2);
}

.share-section h3 { margin-bottom: var(--spacing-md); font-size: var(--font-size-base); }

.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast);
    font-size: var(--font-size-sm);
}

.btn-share svg { width: 18px; height: 18px; }

.btn-share.x-share { background: #000; color: white; }
.btn-share.x-share:hover { background: #333; transform: translateY(-2px); }
.btn-share.copy { background: rgba(255,255,255,0.2); color: white; }
.btn-share.copy:hover { background: rgba(255,255,255,0.3); }
.btn-share.whatsapp { background: #25D366; color: white; }
.btn-share.whatsapp:hover { background: #20ba5a; transform: translateY(-2px); }

/* ========== STATS ========== */
.stats-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.stats-header h3 { margin: 0; }

.btn-reset-stats {
    background: var(--gray-200);
    color: var(--text-secondary);
    border: none;
    padding: 4px 12px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    cursor: pointer;
    font-weight: 600;
    transition: background var(--transition-fast);
}

.btn-reset-stats:hover { background: var(--gray-300); }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--gray-200);
}

.stat-card.stat-streak {
    background: linear-gradient(135deg, #fef3c7, #fcd34d);
    border-color: #f59e0b;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: 'Bricolage Grotesque', sans-serif;
    background: linear-gradient(135deg, var(--primary-color), #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card.stat-streak .stat-value {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Hints grid */
.hints-grid-section {
    background: var(--gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.hints-grid-section h4 { font-size: var(--font-size-base); margin-bottom: var(--spacing-sm); text-align: center; }

.hints-grid-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.hints-row { display: flex; gap: 3px; }

.hint-box {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.hint-box.correct { background: linear-gradient(135deg, #10b981, #059669); }
.hint-box.wrong { background: linear-gradient(135deg, #ef4444, #dc2626); }

.hints-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.hints-legend span { display: flex; align-items: center; gap: var(--spacing-xs); }

/* ========== ARTIST IMAGE ========== */
.artist-image-container { text-align: center; }
.artist-image {
    max-width: 280px;
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* ========== YOUTUBE ========== */
.youtube-section { text-align: center; }
.youtube-section h3 { margin-bottom: var(--spacing-md); }

.youtube-video-wrapper {
    position: relative;
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.youtube-video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
}

/* ========== SCORES TABLE ========== */
.scores-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.scores-table th, .scores-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.scores-table th {
    background: var(--gray-100);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* ========== FOOTER ========== */
.main-footer {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    text-align: center;
    padding: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    font-size: var(--font-size-sm);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.indices-legend-footer {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
    font-size: var(--font-size-xs);
    color: var(--gray-400);
}

.indices-legend-footer span {
    background: var(--gray-100);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

/* ========== TOAST NOTIFICATIONS ========== */
.toast-notification {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    max-width: 90vw;
    text-align: center;
}

.toast-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-info { background: var(--gray-800); color: white; }
.toast-success { background: #059669; color: white; }
.toast-error { background: #dc2626; color: white; }

/* ========== ONBOARDING ========== */
.onboarding-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(6px);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.onboarding-visible { opacity: 1; }

.onboarding-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 480px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.onboarding-card h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
}

.onboarding-steps {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.onboarding-step {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.step-number {
    background: var(--primary-color);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.onboarding-hints {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
}

.onboarding-hints span {
    background: var(--gray-100);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.onboarding-start { margin-top: var(--spacing-md); }

/* ========== NETWORK ERROR ========== */
.network-error {
    text-align: center;
    padding: var(--spacing-2xl);
}

.network-error h2 { margin-bottom: var(--spacing-md); }
.network-error p { margin-bottom: var(--spacing-lg); color: var(--text-secondary); }
.network-error .btn-primary { max-width: 200px; margin: 0 auto; }

/* ========== CONFETTI ========== */
@keyframes confetti-fall {
    0% { transform: translateY(-100vh) rotate(0deg); opacity: 1; }
    100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    z-index: 9999;
    pointer-events: none;
    animation: confetti-fall 3s linear forwards;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .main-header { padding: var(--spacing-sm) var(--spacing-md); }

    .header-content { flex-wrap: wrap; }

    .logo-text { display: none; }

    .hamburger-btn { display: flex; }

    .main-nav {
        display: none;
        width: 100%;
        order: 10;
    }

    .main-nav.nav-open {
        display: block;
        padding-top: var(--spacing-sm);
    }

    .nav-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .nav-links li { width: 100%; }

    .nav-links a, .nav-links button {
        display: block;
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm);
    }

    .header-countdown-wrapper { font-size: var(--font-size-xs); padding: 3px 8px; }

    .auth-container { grid-template-columns: 1fr; }
    .benefits-section { order: -1; }

    .container { padding: var(--spacing-sm); }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }

    .stat-value { font-size: 1.5rem; }

    .suggestions {
        position: absolute !important;
        max-height: 250px !important;
    }

    .suggestion-item { padding: 12px var(--spacing-md) !important; min-height: 48px; }

    .share-buttons { flex-direction: column; }
    .btn-share { width: 100%; justify-content: center; }

    .history-item { grid-template-columns: 48px 1fr; }
    .history-item img, .history-item-placeholder { width: 48px; height: 48px; }
}

@media (max-width: 380px) {
    .header-countdown-wrapper { display: none; }
    .lives-container { font-size: 1.2rem; letter-spacing: 2px; }
}