/* ============================================
   SUTOM - Styles CSS
   ============================================ */

/* --- Variables CSS --- */
:root {
    --color-correct: #2ecc71;      /* Vert éclatant - lettre bien placée */
    --color-partial: #f1c40f;      /* Jaune vif - lettre mal placée */
    --color-absent: #95a5a6;       /* Gris neutre - lettre absente */
    --color-default: rgba(255, 255, 255, 0.1);

    --bg-primary: #0f0c29;
    --bg-secondary: #302b63;
    --bg-tertiary: rgba(0, 0, 0, 0.3);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);

    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.5);

    --tile-size: 60px;
    --tile-gap: 8px;
    --key-height: 58px;

    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --font-primary: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* --- Container principal --- */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Header --- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(45deg, #ffffff, #e0e0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.header-controls {
    display: flex;
    gap: 0.5rem;
}

.mode-btn,
.info-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.mode-btn:hover,
.info-btn:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

.mode-btn.active {
    background: var(--color-correct);
    border-color: var(--color-correct);
}

.info-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

/* --- Stats bar --- */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 1rem;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

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

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-partial);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Game area --- */
.game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.word-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.word-length {
    color: var(--color-partial);
    font-weight: 600;
}

/* --- Grid --- */
.grid-container {
    display: grid;
    gap: var(--tile-gap);
    justify-content: center;
    padding: 1rem;
}

.row {
    display: grid;
    gap: var(--tile-gap);
    grid-template-columns: repeat(var(--cols), var(--tile-size));
}

.tile {
    width: var(--tile-size);
    height: var(--tile-size);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    text-transform: uppercase;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-tertiary);
    backdrop-filter: blur(4px);
    transition: all var(--transition-normal);
}

/* Tile states */
.tile.empty {
    border-color: var(--border-color);
}

.tile.filled {
    border-color: var(--text-primary);
    animation: pop 0.3s ease;
}

.tile.correct {
    background: var(--color-correct);
    border-color: var(--color-correct);
    animation: flip 0.5s ease;
}

.tile.partial {
    background: var(--color-partial);
    border-color: var(--color-partial);
    animation: flip 0.5s ease;
}

.tile.absent {
    background: var(--color-absent);
    border-color: var(--color-absent);
    animation: flip 0.5s ease;
}

.tile.first-letter {
    border-color: var(--color-partial);
    background: rgba(243, 156, 18, 0.2);
}

/* Keyboard */
.keyboard {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem;
}

.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 0.35rem;
}

.key {
    height: var(--key-height);
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.75rem;
    background: var(--bg-tertiary);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.key:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

.key:active {
    transform: translateY(0);
}

.key.wide {
    min-width: 65px;
    font-size: 0.8rem;
}

/* Key states */
.key.correct {
    background: var(--color-correct);
    border-color: var(--color-correct);
}

.key.partial {
    background: var(--color-partial);
    border-color: var(--color-partial);
}

.key.absent {
    background: var(--color-absent);
    border-color: var(--color-absent);
    opacity: 0.5;
}

/* --- Message --- */
.message-container {
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.message {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
}

.message.show {
    opacity: 1;
    transform: translateY(0);
}

.message.error {
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid var(--color-correct);
    color: #ff6b6b;
}

.message.success {
    background: rgba(46, 204, 113, 0.2);
    border: 1px solid #2ecc71;
    color: #2ecc71;
}

.message.info {
    background: rgba(52, 152, 219, 0.2);
    border: 1px solid var(--color-absent);
    color: #5dade2;
}

/* --- Footer --- */
.footer {
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.new-game-btn {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.new-game-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.new-game-btn:active {
    transform: translateY(0);
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
    backdrop-filter: blur(5px);
}

.modal-overlay.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    max-width: 400px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px var(--shadow-color);
    animation: slideUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    transition: color var(--transition-fast);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-content {
    padding: 1.5rem;
}

.modal-word {
    margin-top: 1rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.modal-word strong {
    color: var(--color-partial);
    font-size: 1.3rem;
}

.modal-stats {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.modal-actions {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.modal-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-btn.primary {
    background: linear-gradient(45deg, var(--color-correct), var(--color-partial));
    color: var(--text-primary);
}

.modal-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(231, 76, 60, 0.4);
}

/* --- Rules modal specific --- */
.rules-content ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.rules-content li {
    margin-bottom: 0.5rem;
}

.color-examples {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.color-example {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.color-example .tile {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
}

/* --- Animations --- */
@keyframes pop {
    0% { transform: scale(0.8); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

@keyframes flip {
    0% { transform: rotateX(0deg); }
    50% { transform: rotateX(90deg); }
    100% { transform: rotateX(0deg); }
}

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

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.shake {
    animation: shake 0.4s ease;
}

/* --- Responsive --- */
@media (max-width: 480px) {
    :root {
        --tile-size: 45px;
        --key-height: 50px;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .stats-bar {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.25rem;
        padding: 0.5rem;
    }

    .stat-value {
        font-size: 1.2rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }

    .mode-text {
        display: none;
    }

    .keyboard-row {
        gap: 0.25rem;
    }

    .key {
        min-width: 30px;
        padding: 0 0.5rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 350px) {
    :root {
        --tile-size: 38px;
    }

    .row {
        grid-template-columns: repeat(var(--cols), var(--tile-size));
    }
}

/* --- Loading state --- */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 3px solid var(--border-color);
    border-top-color: var(--color-partial);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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