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

:root {
    --primary: #6C5CE7;
    --primary-dark: #5849c4;
    --secondary: #00CEC9;
    --accent-pink: #FD79A8;
    --accent-orange: #FDCB6E;
    --accent-green: #00B894;
    --accent-red: #FF7675;
    --dark: #2D3436;
    --light: #F8F9FA;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --answer-0: #E74C3C;
    --answer-1: #3498DB;
    --answer-2: #F39C12;
    --answer-3: #27AE60;
}

html, body {
    height: 100%;
    font-family: 'Fredoka', sans-serif;
    background: var(--gradient-1);
    color: white;
    overflow: hidden;
}

.container {
    height: 100%;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    position: relative;
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.screen.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Join Screen */
#join-screen {
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.logo-section {
    text-align: center;
    margin-bottom: 20px;
}

.logo {
    font-size: 3rem;
    font-weight: 700;
    text-shadow: 3px 3px 0 rgba(0,0,0,0.2);
}

.logo span {
    color: var(--accent-orange);
}

.tagline {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-top: 5px;
}

.join-form {
    width: 100%;
    max-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.input-group input {
    width: 100%;
    padding: 18px 20px;
    font-size: 1.2rem;
    font-family: inherit;
    border: none;
    border-radius: 15px;
    background: rgba(255,255,255,0.95);
    color: var(--dark);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.input-group input:focus {
    outline: none;
    transform: scale(1.02);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.input-group input::placeholder {
    color: #999;
}

#game-code {
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 3px;
}

.btn-primary {
    padding: 18px 40px;
    font-size: 1.3rem;
    font-family: inherit;
    font-weight: 600;
    border: none;
    border-radius: 15px;
    background: var(--accent-orange);
    color: var(--dark);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

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

.error-message {
    background: var(--accent-red);
    padding: 12px 20px;
    border-radius: 10px;
    font-weight: 500;
    display: none;
    animation: shake 0.5s ease;
}

.error-message.show {
    display: block;
}

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

/* Waiting Screen */
#waiting-screen, #team-screen {
    justify-content: center;
    align-items: center;
}

.waiting-content, .team-selection-content {
    text-align: center;
}

.team-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 300px;
    margin: 30px auto 0;
}

.team-btn {
    width: 100%;
    padding: 18px;
    font-size: 1.2rem;
    font-weight: 600;
    font-family: 'Fredoka', sans-serif;
    background: white;
    color: var(--primary);
    border: none;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.team-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.3);
}

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

.checkmark-circle {
    width: 100px;
    height: 100px;
    background: var(--accent-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    animation: bounceIn 0.5s ease;
}

.checkmark {
    font-size: 3rem;
    color: white;
}

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

.waiting-content h2, .team-selection-content h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.quiz-title {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.pulse-text {
    font-size: 1.1rem;
    animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Starting Screen */
#starting-screen {
    justify-content: center;
    align-items: center;
    background: var(--gradient-2);
}

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

.countdown-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.big-countdown {
    font-size: 8rem;
    font-weight: 700;
    animation: countPulse 1s ease infinite;
}

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

/* Question Screen */
#question-screen {
    background: var(--dark);
    gap: 15px;
}

.question-header {
    display: flex;
    align-items: center;
    gap: 15px;
}

.question-number {
    font-size: 1rem;
    font-weight: 600;
    white-space: nowrap;
}

.timer-bar {
    flex: 1;
    height: 10px;
    background: rgba(255,255,255,0.2);
    border-radius: 5px;
    overflow: hidden;
}

.timer-fill {
    height: 100%;
    background: var(--accent-green);
    border-radius: 5px;
    transition: width 0.1s linear, background 0.3s;
    width: 100%;
}

.timer-fill.warning {
    background: var(--accent-orange);
}

.timer-fill.danger {
    background: var(--accent-red);
}

.question-text {
    font-size: 1.3rem;
    font-weight: 500;
    text-align: center;
    padding: 20px;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.answers-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    flex: 1;
    padding-bottom: env(safe-area-inset-bottom);
}

.answer-btn {
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 500;
    color: white;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    transition: transform 0.15s, opacity 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 15px;
    min-height: 100px;
    word-break: break-word;
    line-height: 1.3;
}

.answer-0 { background: var(--answer-0); }
.answer-1 { background: var(--answer-1); }
.answer-2 { background: var(--answer-2); }
.answer-3 { background: var(--answer-3); }

.answer-btn:hover {
    transform: scale(1.02);
}

.answer-btn:active {
    transform: scale(0.98);
}

.answer-btn.selected {
    opacity: 0.7;
    transform: scale(0.95);
}

.answer-btn.disabled {
    pointer-events: none;
    opacity: 0.5;
}

.answer-btn.hidden {
    visibility: hidden;
    pointer-events: none;
}

/* Reading phase timer */
.timer-fill.reading {
    background: var(--accent-orange);
    animation: pulse-reading 1s ease-in-out infinite;
}

@keyframes pulse-reading {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Answered Screen */
#answered-screen {
    justify-content: center;
    align-items: center;
    background: var(--gradient-3);
}

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

.answer-sent {
    font-size: 5rem;
    margin-bottom: 20px;
    animation: float 2s ease infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.answered-content h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

/* Result Screen */
#result-screen {
    justify-content: center;
    align-items: center;
}

#result-screen.correct {
    background: linear-gradient(135deg, #00b894 0%, #00cec9 100%);
}

#result-screen.incorrect {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

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

.result-icon {
    font-size: 5rem;
    margin-bottom: 15px;
    animation: bounceIn 0.5s ease;
}

.result-content h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.correct-answer {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.score-display {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 15px;
}

.score-label {
    font-size: 1rem;
    opacity: 0.8;
}

.score-value {
    font-size: 3rem;
    font-weight: 700;
}

.total-score {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 15px;
}

.rank-display {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.streak-display {
    font-size: 1.2rem;
    color: var(--accent-orange);
}

.player-autoplay-countdown {
    margin-top: 20px;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    font-size: 1.1rem;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Final Screen */
#final-screen {
    justify-content: center;
    align-items: center;
    background: var(--gradient-1);
}

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

.final-content h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.final-rank {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.final-score {
    font-size: 1.5rem;
    margin-bottom: 40px;
}

#play-again-btn {
    margin-top: 20px;
}

/* Responsive adjustments */
@media (max-height: 600px) {
    .logo {
        font-size: 2.5rem;
    }
    
    .question-text {
        font-size: 1.1rem;
        padding: 10px;
        min-height: 60px;
    }
    
    .answer-btn {
        min-height: 70px;
        font-size: 1rem;
    }
}

@media (min-width: 768px) {
    .container {
        padding: 40px;
    }
    
    .answer-btn {
        min-height: 120px;
        font-size: 1.2rem;
    }
}

/* Host Disconnect Overlay */
.host-disconnect-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.host-disconnect-content {
    text-align: center;
    padding: 40px;
    max-width: 320px;
}

.disconnect-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.host-disconnect-content h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--accent-orange);
}

.host-disconnect-content p {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 10px;
}

.reconnect-countdown {
    margin-top: 25px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    font-size: 1rem;
}

.reconnect-countdown span {
    font-weight: 700;
    color: var(--accent-orange);
}