.asso-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.screen {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 30px;
}

.screen.hidden {
    display: none;
}

/* Lobby Screen */
.lobby-header {
    text-align: center;
    margin-bottom: 30px;
}

.game-title {
    font-size: 3rem;
    background: linear-gradient(135deg, #10b981 0%, #14532d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.card-icons {
    font-size: 2rem;
    letter-spacing: 10px;
}

.pin-section {
    text-align: center;
    margin-bottom: 40px;
}

.pin-label {
    font-size: 1rem;
    color: var(--gray);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.pin-display {
    font-size: 4rem;
    font-weight: bold;
    color: #10b981;
    letter-spacing: 15px;
    font-family: monospace;
}

.pin-hint {
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 10px;
}

.players-section {
    flex: 1;
    margin-bottom: 30px;
}

.players-section h3 {
    color: var(--light);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.players-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

.player-card {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid rgba(16, 185, 129, 0.3);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.player-card .avatar {
    font-size: 2rem;
    margin-bottom: 8px;
}

.player-card .name {
    color: var(--light);
    font-weight: bold;
}

.btn-start {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    padding: 20px 40px;
    font-size: 1.5rem;
    background: linear-gradient(135deg, #10b981 0%, #14532d 100%);
    color: white;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-start:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-start:not(:disabled):hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.3);
}

.start-hint {
    text-align: center;
    color: var(--gray);
    margin-top: 15px;
}

/* Countdown Screen */
#countdown-screen {
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(20, 83, 45, 0.2) 100%);
}

.countdown-number {
    font-size: 12rem;
    font-weight: bold;
    color: #10b981;
    animation: pulse 1s ease infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.countdown-text {
    font-size: 1.5rem;
    color: var(--gray);
    margin-top: 20px;
}

/* Game Screen */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.round-display {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.round-label {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
}

.round-value {
    font-size: 1.5rem;
    color: #10b981;
    font-weight: bold;
}

.header-center h2 {
    color: var(--light);
    font-size: 1.5rem;
}

.timer-display {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(16, 185, 129, 0.2);
    padding: 10px 20px;
    border-radius: 25px;
}

.timer-icon {
    font-size: 1.5rem;
}

.timer-value {
    font-size: 2rem;
    font-weight: bold;
    color: #10b981;
    min-width: 50px;
    text-align: center;
}

.game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.cards-display {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 30px;
}

.card {
    width: 120px;
    height: 180px;
    background: linear-gradient(135deg, #1e3a5f 0%, #0d1b2a 100%);
    border: 3px solid #10b981;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    transition: all 0.3s;
    cursor: pointer;
}

.card.revealed {
    transform: rotateY(180deg);
    background: linear-gradient(135deg, #10b981 0%, #14532d 100%);
}

.card.ace {
    animation: glowAce 1s ease infinite;
}

@keyframes glowAce {
    0%, 100% { box-shadow: 0 0 20px rgba(16, 185, 129, 0.5); }
    50% { box-shadow: 0 0 40px rgba(16, 185, 129, 0.8); }
}

.ace-hint {
    color: var(--gray);
    font-size: 1.2rem;
    text-align: center;
}

.scoreboard {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 20px;
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
}

.scoreboard h3 {
    color: var(--light);
    margin-bottom: 15px;
    text-align: center;
}

.scores-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.score-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 8px;
}

.score-row.first {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.3) 0%, rgba(20, 83, 45, 0.3) 100%);
    border: 1px solid #10b981;
}

.score-row .rank {
    font-weight: bold;
    color: #10b981;
    min-width: 30px;
}

.score-row .name {
    flex: 1;
    color: var(--light);
}

.score-row .points {
    font-weight: bold;
    color: #10b981;
}

/* Reveal Screen */
#reveal-screen {
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(20, 83, 45, 0.2) 100%);
}

.reveal-content {
    text-align: center;
}

.reveal-card {
    font-size: 10rem;
    animation: bounceIn 0.5s ease;
}

@keyframes bounceIn {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.reveal-text {
    font-size: 2rem;
    color: var(--light);
    margin-top: 20px;
}

.round-winner {
    font-size: 1.5rem;
    color: #10b981;
    margin-top: 15px;
}

/* Winner Screen */
#winner-screen {
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(245, 158, 11, 0.2) 100%);
}

.winner-content {
    text-align: center;
}

.winner-trophy {
    font-size: 8rem;
    animation: bounce 1s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.winner-title {
    font-size: 3rem;
    color: #f59e0b;
    margin: 20px 0;
}

.winner-name {
    font-size: 2.5rem;
    color: var(--light);
    font-weight: bold;
}

.winner-score {
    font-size: 1.5rem;
    color: #10b981;
    margin-top: 10px;
}

.final-ranking {
    margin: 40px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    min-width: 300px;
}

.final-ranking .score-row {
    margin-bottom: 10px;
}

.btn-restart {
    padding: 20px 60px;
    font-size: 1.3rem;
    background: linear-gradient(135deg, #10b981 0%, #14532d 100%);
    color: white;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-restart:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.3);
}

@media (max-width: 700px) {
    .game-title {
        font-size: 2rem;
    }

    .pin-display {
        font-size: 3rem;
    }

    .card {
        width: 80px;
        height: 120px;
        font-size: 2.5rem;
    }

    .countdown-number {
        font-size: 8rem;
    }
}