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

:root {
    --primary: #6c5ce7;
    --primary-light: #a29bfe;
    --primary-dark: #4834d4;
    --success: #00b894;
    --danger: #e17055;
    --warning: #fdcb6e;
    --dark: #2d3436;
    --gray: #636e72;
    --light: #dfe6e9;
    --white: #ffffff;
    --bg: #0a0a23;
    --bg-card: #1a1a3e;
    --bg-card-light: #2a2a5e;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--white);
    min-height: 100vh;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(108, 92, 231, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 206, 201, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(225, 112, 85, 0.1) 0%, transparent 50%);
}

/* === Screens === */
.screen {
    display: none;
    min-height: 100vh;
    padding: 2rem 1rem;
}
.screen.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

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

/* === Logo === */
.logo {
    text-align: center;
    margin-bottom: 2rem;
}
.logo h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
}
.logo h1 span {
    color: var(--primary-light);
}
.tagline {
    color: var(--primary-light);
    font-size: 1.1rem;
    margin-top: 0.3rem;
}

/* === Buttons === */
.btn {
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
}
.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
}
.btn-secondary {
    background: var(--bg-card-light);
    color: var(--white);
}
.btn-large {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: var(--radius);
    width: 100%;
    margin-top: 1.5rem;
}

/* === Categories === */
.categories-setup {
    margin: 1.5rem 0;
}
.categories-setup h2, .question-count-setup h2, .players-section h2 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--light);
}
.category-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.category-toggle {
    cursor: pointer;
}
.category-toggle input {
    display: none;
}
.cat-chip {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    background: var(--bg-card-light);
    font-size: 0.9rem;
    transition: all 0.2s;
    border: 2px solid transparent;
}
.category-toggle input:checked + .cat-chip {
    background: var(--primary);
    border-color: var(--primary-light);
}

/* === Question Count === */
.question-count-setup {
    margin: 1.5rem 0;
}
.count-selector {
    display: flex;
    gap: 0.5rem;
}
.btn-count {
    flex: 1;
    background: var(--bg-card-light);
    color: var(--white);
    padding: 0.7rem;
    border: 2px solid transparent;
}
.btn-count.active {
    background: var(--primary);
    border-color: var(--primary-light);
}

/* === Lobby === */
.lobby-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}
.qr-section {
    text-align: center;
}
.qr-section img {
    width: 250px;
    height: 250px;
    border-radius: var(--radius);
    background: white;
    padding: 0.5rem;
}
.room-code {
    font-size: 2rem;
    font-weight: 800;
    margin-top: 1rem;
    letter-spacing: 0.3rem;
}
.room-code span {
    color: var(--primary-light);
}
.join-url {
    color: var(--gray);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    word-break: break-all;
}

.players-section {
    width: 100%;
}
.players-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
}
.player-card {
    background: var(--bg-card);
    border: 2px solid var(--player-color, var(--primary));
    border-radius: var(--radius-sm);
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    animation: popIn 0.3s ease;
}
.player-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--player-color, var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}
.player-name {
    font-weight: 600;
}

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

/* === Game Screen === */
.game-header {
    margin-bottom: 1.5rem;
}
.round-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.timer {
    font-size: 2rem;
    font-weight: 800;
    color: var(--warning);
    background: var(--bg-card);
    padding: 0.3rem 1rem;
    border-radius: var(--radius-sm);
    min-width: 60px;
    text-align: center;
}

.question-display {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
}
.category-badge {
    display: inline-block;
    background: var(--bg-card-light);
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}
.question-text {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 1.5rem;
}
.question-image-container {
    margin-bottom: 1rem;
}
.question-image {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--radius-sm);
}

.mcq-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin-top: 1rem;
}
.mcq-option {
    background: var(--bg-card-light);
    padding: 1rem;
    border-radius: var(--radius-sm);
    text-align: left;
    font-size: 1rem;
}
.option-letter {
    font-weight: 800;
    color: var(--primary-light);
    margin-right: 0.5rem;
}

.answer-progress {
    text-align: center;
    margin-top: 2rem;
    font-size: 1.3rem;
    color: var(--light);
}

/* === Question Results === */
.result-header {
    text-align: center;
    margin-bottom: 2rem;
}
.correct-answer .label {
    color: var(--gray);
    display: block;
    margin-bottom: 0.3rem;
}
.correct-answer .answer-text,
.correct-answer-player {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success);
}
.explanation {
    margin-top: 1rem;
    color: var(--light);
    font-style: italic;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}
.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.2rem;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--gray);
}
.result-row.correct {
    border-left-color: var(--success);
}
.result-row.wrong {
    border-left-color: var(--danger);
}
.result-badge {
    font-size: 1.2rem;
    font-weight: 700;
}
.result-row.correct .result-badge { color: var(--success); }
.result-row.wrong .result-badge { color: var(--danger); }

.standings-section {
    margin-top: 1.5rem;
}
.standings-section h3 {
    margin-bottom: 0.8rem;
    color: var(--light);
}
.standings-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.standing-row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.6rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
}
.standing-rank {
    font-weight: 800;
    color: var(--primary-light);
    min-width: 1.5rem;
}
.standing-name {
    flex: 1;
}
.standing-score {
    font-weight: 700;
    color: var(--warning);
}

.standings-bar {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 1rem;
}
.bar-entry {
    background: var(--bg-card);
    border-radius: 4px;
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
    position: relative;
    overflow: hidden;
}
.bar-entry::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--width);
    background: var(--color);
    opacity: 0.3;
    border-radius: 4px;
}
.bar-entry span {
    position: relative;
    z-index: 1;
}

/* === Final Results === */
.final-header {
    text-align: center;
    margin-bottom: 2rem;
}
.final-header h1 {
    font-size: 2rem;
}
.podium {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 2rem;
}
.podium-entry {
    text-align: center;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem 1rem;
    min-width: 120px;
}
.podium-1 { order: 2; transform: scale(1.1); }
.podium-2 { order: 1; }
.podium-3 { order: 3; }
.podium-medal {
    font-size: 2.5rem;
}
.podium-name {
    font-weight: 700;
    margin: 0.5rem 0;
}
.podium-score {
    color: var(--warning);
    font-weight: 600;
}

.final-rankings {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.final-rank-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1.2rem;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
}
.final-rank-row .rank {
    font-weight: 800;
    color: var(--primary-light);
    min-width: 2.5rem;
}
.final-rank-row .name {
    flex: 1;
    font-weight: 600;
}
.final-rank-row .stats {
    color: var(--gray);
    font-size: 0.9rem;
}
.final-rank-row .score {
    font-weight: 700;
    color: var(--warning);
}

/* === Player View === */
.player-view .screen {
    padding: 1rem;
}

.join-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 350px;
    margin: 0 auto;
}
.join-form input {
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--bg-card-light);
    background: var(--bg-card);
    color: var(--white);
    font-size: 1.1rem;
    text-align: center;
}
.join-form input:focus {
    outline: none;
    border-color: var(--primary);
}
.error-msg {
    color: var(--danger);
    text-align: center;
    font-weight: 600;
}

.waiting-icon {
    font-size: 4rem;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}
.waiting-text {
    color: var(--gray);
}
.player-name-display {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
}

/* === Player Game === */
.player-game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.player-question {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
}
.player-question .question-text {
    font-size: 1.2rem;
}

.player-mcq, .player-yesno {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.btn-answer {
    width: 100%;
    padding: 1.2rem;
    font-size: 1.1rem;
    text-align: left;
    background: var(--bg-card);
    color: var(--white);
    border: 2px solid var(--bg-card-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}
.btn-answer:hover {
    border-color: var(--primary);
    background: var(--bg-card-light);
}
.btn-answer:active {
    transform: scale(0.97);
}
.btn-vrai { border-left: 4px solid var(--success); }
.btn-faux { border-left: 4px solid var(--danger); }

.player-free {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.player-free input {
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--bg-card-light);
    background: var(--bg-card);
    color: var(--white);
    font-size: 1.1rem;
}
.player-free input:focus {
    outline: none;
    border-color: var(--primary);
}

/* Answered screen */
.answered-icon {
    font-size: 3rem;
    animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Result screen */
.result-icon {
    font-size: 4rem;
    margin-bottom: 0.5rem;
}
.result-icon.correct { animation: bounce 0.5s; }
.result-icon.wrong { animation: shake 0.5s; }
.result-text {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.player-score {
    font-size: 1.2rem;
    color: var(--warning);
    font-weight: 600;
    margin-top: 1rem;
}

/* Final player */
.final-rank {
    margin: 1rem 0;
}
.big-medal {
    font-size: 5rem;
}
.rank-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-light);
}
.final-score-display {
    font-size: 1.2rem;
    color: var(--light);
}

/* === Utilities === */
.hidden {
    display: none !important;
}

@keyframes bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* === Responsive === */
@media (max-width: 600px) {
    .logo h1 { font-size: 2rem; }
    .question-text { font-size: 1.1rem; }
    .mcq-options { grid-template-columns: 1fr; }
    .qr-section img { width: 200px; height: 200px; }
    .room-code { font-size: 1.5rem; }
    .podium-entry { min-width: 90px; padding: 1rem 0.5rem; }
}