/**
 * Modern Quiz System - 2025 Edition
 * Smooth animations, modern design, gamification
 */

:root {
    --quiz-der: #3498db;
    --quiz-der-light: #5dade2;
    --quiz-die: #e74c3c;
    --quiz-die-light: #ec7063;
    --quiz-das: #2ecc71;
    --quiz-das-light: #58d68d;
    --quiz-primary: #FF885E;
    --quiz-primary-dark: #ff6b45;
    --quiz-bg: #f8f9fa;
    --quiz-card-bg: #ffffff;
    --quiz-text: #2c3e50;
    --quiz-text-light: #7f8c8d;
    --quiz-shadow: rgba(0, 0, 0, 0.1);
    --quiz-shadow-hover: rgba(0, 0, 0, 0.2);
}

/* Modern Container */
.quiz-modern-wrapper {
    max-width: 1240px;
    margin: 40px auto;
    padding: 0 20px;
    min-height: 80vh;
}

/* Stats Bar - Sticky Top */
.quiz-stats-bar {
    background: var(--quiz-card-bg);
    border-radius: 20px;
    padding: 20px 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px var(--quiz-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    position: sticky;
    top: 80px;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.quiz-stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 15px;
    border-radius: 12px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    transition: all 0.3s ease;
}

.quiz-stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--quiz-shadow);
}

.quiz-stat-clickable {
    cursor: pointer;
    position: relative;
}

.quiz-stat-clickable:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(243, 156, 18, 0.3);
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.15), rgba(230, 126, 34, 0.1));
}

.quiz-stat-clickable::after {
    content: '→';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: all 0.3s;
    color: #f39c12;
    font-weight: 700;
}

.quiz-stat-clickable:hover::after {
    opacity: 1;
    right: 5px;
}

.quiz-stat-icon {
    font-size: 1.5rem;
}

.quiz-stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--quiz-text);
}

.quiz-stat-label {
    font-size: 0.85rem;
    color: var(--quiz-text-light);
    margin-top: 2px;
}

/* Progress Bar */
.quiz-progress-container {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
    margin-top: 15px;
    position: relative;
}

.quiz-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--quiz-primary), var(--quiz-das));
    border-radius: 10px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.quiz-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: progressShine 2s infinite;
}

@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Quiz Card - Modern Design */
.quiz-card-modern {
    background: var(--quiz-card-bg);
    border-radius: 30px;
    padding: 60px 50px;
    box-shadow: 0 20px 60px var(--quiz-shadow);
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: cardSlideIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.quiz-card-modern::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 136, 94, 0.1) 0%, transparent 70%);
    animation: cardGlow 8s infinite;
}

@keyframes cardGlow {
    0%, 100% { transform: translate(0, 0); opacity: 0.5; }
    50% { transform: translate(20px, 20px); opacity: 0.8; }
}

/* Badge */
.quiz-badge-modern {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--quiz-primary), var(--quiz-primary-dark));
    color: white;
    box-shadow: 0 5px 20px rgba(255, 136, 94, 0.3);
    animation: badgePulse 2s infinite;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Question */
.quiz-question-modern {
    font-size: 1.5rem;
    color: var(--quiz-text);
    margin-bottom: 20px;
    font-weight: 600;
}

/* Word - Hero Display */
.quiz-word-modern {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--quiz-text);
    margin: 30px 0;
    letter-spacing: 3px;
    position: relative;
    display: inline-block;
    animation: wordPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s backwards;
    word-break: break-word;
    max-width: 100%;
}

@keyframes wordPop {
    from {
        opacity: 0;
        transform: scale(0.3) rotate(-10deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.quiz-word-modern::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--quiz-primary), transparent);
    border-radius: 2px;
}

/* Hint */
.quiz-hint-modern {
    font-size: 1.1rem;
    color: var(--quiz-text-light);
    margin: 20px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.quiz-hint-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Buttons - Modern 3D Design */
.quiz-buttons-modern {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.quiz-btn-modern {
    position: relative;
    padding: 30px 50px;
    font-size: 2rem;
    font-weight: 800;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    color: white;
    box-shadow: 0 8px 25px var(--quiz-shadow);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
    min-width: 180px;
}

.quiz-btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    transition: left 0.5s;
}

.quiz-btn-modern:hover::before {
    left: 100%;
}

.quiz-btn-modern:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 40px var(--quiz-shadow-hover);
}

.quiz-btn-modern:active {
    transform: translateY(-4px) scale(1.02);
}

.quiz-btn-modern.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.quiz-btn-der {
    background: linear-gradient(135deg, var(--quiz-der), var(--quiz-der-light));
}

.quiz-btn-die {
    background: linear-gradient(135deg, var(--quiz-die), var(--quiz-die-light));
}

.quiz-btn-das {
    background: linear-gradient(135deg, var(--quiz-das), var(--quiz-das-light));
}

/* Keyboard Hint */
.quiz-keyboard-hint {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--quiz-text-light);
}

.keyboard-key {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 5px 12px;
    font-weight: 600;
    font-family: monospace;
}

    animation: timerPulse 1s infinite;
}

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

/* Confetti Animation */
.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    background: var(--quiz-primary);
    z-index: 10000;
    pointer-events: none;
    animation: confettiFall 3s linear forwards;
}

@keyframes confettiFall {
    to {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

/* Streak Badge */
.quiz-streak-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: white;
    padding: 10px 20px;
    border-radius: 15px;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 5px 20px rgba(243, 156, 18, 0.4);
    animation: streakBounce 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes streakBounce {
    from {
        opacity: 0;
        transform: scale(0) rotate(-180deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

/* Loading State */
.quiz-loading {
    text-align: center;
    padding: 100px 20px;
}

.quiz-loading-spinner {
    width: 60px;
    height: 60px;
    border: 6px solid #f8f9fa;
    border-top: 6px solid var(--quiz-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Pulse Animation for Call-to-Action */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 8px 25px var(--quiz-shadow);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 12px 35px rgba(46, 204, 113, 0.4);
    }
}

/* Guest Limit Modal */
.quiz-guest-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: auto;
}

.quiz-guest-modal {
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    border-radius: 30px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: auto;
    position: relative;
    z-index: 10001;
}

.quiz-guest-modal-content {
    padding: 50px 40px;
    text-align: center;
    pointer-events: auto;
}

/* Ensure modal buttons are always clickable */
.quiz-guest-modal-content button,
.quiz-guest-modal-content a {
    pointer-events: auto !important;
    cursor: pointer !important;
    position: relative;
    z-index: 10002;
}

/* Scrollbar styling for modal */
.quiz-guest-modal::-webkit-scrollbar {
    width: 8px;
}

.quiz-guest-modal::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.quiz-guest-modal::-webkit-scrollbar-thumb {
    background: var(--quiz-primary);
    border-radius: 10px;
}

.quiz-guest-modal::-webkit-scrollbar-thumb:hover {
    background: var(--quiz-primary-dark);
}

/* Modal Form Styles */
.quiz-guest-modal-content input[type="text"],
.quiz-guest-modal-content input[type="email"],
.quiz-guest-modal-content input[type="password"] {
    transition: all 0.3s ease;
}

.quiz-guest-modal-content input[type="text"]:focus,
.quiz-guest-modal-content input[type="email"]:focus,
.quiz-guest-modal-content input[type="password"]:focus {
    border-color: var(--quiz-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 136, 94, 0.1);
}

.quiz-guest-modal-content input[type="checkbox"] {
    accent-color: var(--quiz-das);
}

.quiz-guest-modal-content .form-error {
    animation: errorShake 0.5s;
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Mobile responsive for modal */
@media (max-width: 768px) {
    .quiz-guest-modal {
        max-width: 95%;
        max-height: 85vh;
    }

    .quiz-guest-modal-content {
        padding: 30px 20px;
    }

    .quiz-guest-modal-content h2 {
        font-size: 1.5rem !important;
    }

    .quiz-guest-modal-content p {
        font-size: 1rem !important;
    }

    .quiz-guest-modal-content ul li {
        font-size: 0.9rem !important;
        padding: 8px 0 !important;
    }

    .quiz-guest-modal-content .quiz-btn-modern {
        padding: 15px 25px !important;
        font-size: 1rem !important;
        min-width: 120px !important;
    }

    .quiz-guest-modal-content input[type="text"],
    .quiz-guest-modal-content input[type="email"],
    .quiz-guest-modal-content input[type="password"] {
        font-size: 16px !important; /* Prevent zoom on iOS */
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .quiz-stats-bar {
        padding: 15px 20px;
        gap: 10px;
    }

    .quiz-stat-item {
        padding: 6px 12px;
    }

    .quiz-stat-icon {
        font-size: 1.2rem;
    }

    .quiz-stat-value {
        font-size: 1.1rem;
    }

    .quiz-card-modern {
        padding: 40px 25px;
    }

    .quiz-word-modern {
        font-size: 2.8rem;
        letter-spacing: 1px;
        word-break: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        max-width: 90%;
    }

    .quiz-buttons-modern {
        gap: 15px;
    }

    .quiz-btn-modern {
        padding: 20px 35px;
        font-size: 1.5rem;
        min-width: 140px;
    }


    .quiz-keyboard-hint {
        display: none;
    }
}

/* ============================================
   INLINE FEEDBACK (NO MODAL)
   ============================================ */
.quiz-inline-feedback {
    margin-top: 30px;
    padding: 20px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.quiz-inline-feedback.correct {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.15), rgba(39, 174, 96, 0.1));
    border: 2px solid var(--quiz-das);
}

.quiz-inline-feedback.wrong {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.15), rgba(192, 57, 43, 0.1));
    border: 2px solid var(--quiz-die);
}

.feedback-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.quiz-inline-feedback.correct .feedback-icon {
    color: var(--quiz-das);
}

.quiz-inline-feedback.wrong .feedback-icon {
    color: var(--quiz-die);
}

.feedback-content {
    flex: 1;
    text-align: left;
}

.feedback-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.quiz-inline-feedback.correct .feedback-title {
    color: var(--quiz-das);
}

.quiz-inline-feedback.wrong .feedback-title {
    color: var(--quiz-die);
}

.feedback-text {
    font-size: 1.1rem;
    color: var(--quiz-text);
    margin-bottom: 8px;
    word-break: break-word;
    overflow-wrap: break-word;
}

.feedback-points {
    font-size: 1.2rem;
    font-weight: 700;
}

.feedback-points.positive {
    color: var(--quiz-das);
}

.feedback-points.negative {
    color: var(--quiz-die);
}

.feedback-info {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--quiz-text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.streak-bonus {
    display: block;
    margin-top: 8px;
    font-size: 1rem;
    color: #f39c12;
    font-weight: 700;
    animation: streakPulse 0.6s ease-in-out;
}

.streak-message {
    margin-top: 12px;
    padding: 10px 15px;
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.2), rgba(230, 126, 34, 0.2));
    border-radius: 10px;
    color: #f39c12;
    font-weight: 700;
    font-size: 1.1rem;
    animation: streakPulse 0.6s ease-in-out;
}

@keyframes streakPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --quiz-bg: #1a1a1a;
        --quiz-card-bg: #2c2c2c;
        --quiz-text: #e9ecef;
        --quiz-text-light: #adb5bd;
    }

    .quiz-stat-item {
        background: linear-gradient(135deg, #343a40, #495057);
    }

    .keyboard-key {
        background: #343a40;
        border-color: #495057;
        color: #e9ecef;
    }

    .quiz-inline-feedback.correct {
        background: linear-gradient(135deg, rgba(46, 204, 113, 0.2), rgba(39, 174, 96, 0.15));
    }

    .quiz-inline-feedback.wrong {
        background: linear-gradient(135deg, rgba(231, 76, 60, 0.2), rgba(192, 57, 43, 0.15));
    }
}