/* ============================================================
   aiinmedicina.ro — Quiz Stylesheet
   Matches v6/v8 dark theme
   ============================================================ */

:root {
    --accent: #2c8194;
    --accent-light: #5ec8d6;
    --accent-glow: rgba(51, 172, 189, 0.4);
    --gold: #f5a623;
    --gold-glow: rgba(245, 166, 35, 0.4);
    --dark: #0a1628;
    --dark-mid: #1a3a52;
    --white: #f0f6fa;
    --gray: #94a3b8;
    --danger: #ef4444;
    --success: #10b981;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--dark);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.7;
}

/* ==================== ANIMATED BACKGROUND ==================== */
.bg-gradient {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(51, 172, 189, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(26, 58, 82, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(26, 58, 82, 0.3) 0%, transparent 70%),
        var(--dark);
    z-index: -2;
}
.floating-orbs {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1; overflow: hidden; pointer-events: none;
}
.orb {
    position: absolute; border-radius: 50%;
    filter: blur(60px);
    animation: float 20s infinite ease-in-out;
}
.orb-1 { width: 400px; height: 400px; background: var(--accent-glow); top: 10%; left: -10%; }
.orb-2 { width: 300px; height: 300px; background: var(--accent-glow); top: 60%; right: -5%; animation-delay: -7s; }
.orb-3 { width: 250px; height: 250px; background: var(--accent-light); bottom: 15%; left: 35%; animation-delay: -14s; opacity: 0.25; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 50px) scale(0.95); }
    75% { transform: translate(30px, 20px) scale(1.05); }
}
.grid-pattern {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(51, 172, 189, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(51, 172, 189, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1; pointer-events: none;
}

/* ==================== PAGE SYSTEM ==================== */
.page {
    display: none;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}
.page.active { display: block; }

.quiz-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px 60px;
}

/* ==================== BACK LINK ==================== */
.back-link {
    display: inline-block;
    color: var(--gray);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    transition: color 0.2s;
}
.back-link:hover { color: var(--accent-light); }

/* ==================== QUIZ HERO ==================== */
.quiz-hero {
    text-align: center;
    margin-bottom: 2.5rem;
}
.quiz-badge {
    display: inline-block;
    background: rgba(51, 172, 189, 0.1);
    border: 1px solid rgba(51, 172, 189, 0.3);
    color: var(--accent-light);
    padding: 0.4rem 1.2rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.quiz-hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}
.highlight {
    background: var(--accent);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.quiz-subtitle {
    color: var(--gray);
    font-size: 1.1rem;
}

/* ==================== INTRO CARD ==================== */
.quiz-intro-card {
    background: rgba(26, 58, 82, 0.4);
    border: 1px solid rgba(51, 172, 189, 0.12);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
}
.intro-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    text-align: center;
}
.intro-stat { padding: 1rem; }
.stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-light);
}
.stat-value.highlight {
    background: var(--accent);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 0.25rem;
}

/* ==================== FORM ==================== */
.form-card {
    background: rgba(26, 58, 82, 0.4);
    border: 1px solid rgba(51, 172, 189, 0.12);
    border-radius: 20px;
    padding: 2.5rem;
}
.form-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--accent-light);
}
.form-group {
    margin-bottom: 1.25rem;
}
.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 0.4rem;
    font-weight: 500;
}
.required { color: var(--danger); }
.optional { color: var(--gray); font-size: 0.8rem; }

.quiz-input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(10, 22, 40, 0.6);
    border: 1px solid rgba(51, 172, 189, 0.15);
    border-radius: 10px;
    color: var(--white);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    transition: border-color 0.3s;
    -webkit-appearance: none;
}
.quiz-input:focus {
    outline: none;
    border-color: var(--accent);
}
.quiz-input::placeholder { color: rgba(148, 163, 184, 0.5); }

select.quiz-input {
    cursor: pointer;
}
select.quiz-input option {
    background: var(--dark);
    color: var(--white);
}

.hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

/* ==================== CTA BUTTON ==================== */
.btn-cta {
    display: inline-block;
    width: 100%;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--dark);
    border: none;
    border-radius: 50px;
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    margin-top: 1rem;
}
.btn-cta:hover {
    box-shadow: 0 10px 40px var(--accent-glow);
    transform: translateY(-2px);
}
.btn-cta.secondary {
    background: transparent;
    border: 2px solid rgba(51, 172, 189, 0.4);
    color: var(--white);
}
.btn-cta.secondary:hover {
    background: rgba(51, 172, 189, 0.1);
    border-color: var(--accent);
}

/* ==================== QUIZ PROGRESS ==================== */
.quiz-progress-bar {
    height: 6px;
    background: rgba(26, 58, 82, 0.5);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 1rem;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transition: width 0.5s ease;
    border-radius: 3px;
}
.quiz-step-label {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

/* ==================== QUIZ CARD ==================== */
.quiz-card {
    background: rgba(26, 58, 82, 0.4);
    border: 1px solid rgba(51, 172, 189, 0.12);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 1.5rem;
}
.question-text {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* ==================== OPTIONS ==================== */
.options-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.option-btn {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
    text-align: left;
    padding: 1.2rem 1.5rem;
    background: rgba(10, 22, 40, 0.5);
    border: 1px solid rgba(51, 172, 189, 0.1);
    border-radius: 14px;
    color: var(--white);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1.5;
}
.option-btn:hover:not(:disabled) {
    border-color: var(--accent);
    background: rgba(51, 172, 189, 0.05);
    transform: translateX(4px);
}
.option-btn:disabled {
    cursor: default;
    opacity: 0.7;
}
.option-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 8px;
    background: rgba(51, 172, 189, 0.1);
    color: var(--accent-light);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
}
.option-text {
    padding-top: 4px;
}

.option-btn.correct {
    background: rgba(16, 185, 129, 0.15) !important;
    border-color: var(--success) !important;
    opacity: 1 !important;
}
.option-btn.correct .option-letter {
    background: var(--success);
    color: var(--dark);
}
.option-btn.wrong {
    background: rgba(239, 68, 68, 0.15) !important;
    border-color: var(--danger) !important;
    opacity: 1 !important;
}
.option-btn.wrong .option-letter {
    background: var(--danger);
    color: white;
}

/* ==================== EXPLANATION ==================== */
.explanation-panel {
    background: rgba(26, 58, 82, 0.4);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--accent);
    animation: slideUp 0.4s ease;
}
.explanation-panel.correct {
    border-left-color: var(--success);
}
.explanation-panel.wrong {
    border-left-color: var(--danger);
}
.explanation-panel.hidden { display: none; }

.explanation-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.explanation-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9rem;
}
.explanation-panel.correct .explanation-icon {
    background: var(--success);
    color: var(--dark);
}
.explanation-panel.wrong .explanation-icon {
    background: var(--danger);
    color: white;
}
.explanation-label {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1rem;
}
.explanation-panel.correct .explanation-label { color: var(--success); }
.explanation-panel.wrong .explanation-label { color: var(--danger); }
.explanation-panel p {
    color: var(--gray);
    font-size: 0.92rem;
    line-height: 1.7;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==================== RESULTS ==================== */
.results-header {
    text-align: center;
    margin-bottom: 2.5rem;
}
.score-circle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(51, 172, 189, 0.2), rgba(26, 58, 82, 0.5));
    border: 3px solid var(--accent);
    margin-bottom: 1rem;
    box-shadow: 0 0 40px var(--accent-glow);
}
.score-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-light);
    line-height: 1;
}
.score-total {
    font-size: 1.5rem;
    color: var(--gray);
}
.score-label {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 0.25rem;
}

.result-card {
    background: rgba(26, 58, 82, 0.4);
    border: 1px solid rgba(51, 172, 189, 0.12);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 1.5rem;
}
.result-card h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-light);
}
.result-message {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.8;
}

.result-cta-card {
    background: linear-gradient(135deg, rgba(51, 172, 189, 0.1), rgba(26, 58, 82, 0.4));
    border: 1px solid rgba(51, 172, 189, 0.2);
    border-radius: 20px;
    padding: 2rem 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}
.result-cta-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--white);
}
.result-cta-card p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* ==================== SUBMIT STATUS ==================== */
.submit-status {
    text-align: center;
    font-size: 0.85rem;
    padding: 0.5rem;
    margin-top: 1rem;
}
.submit-status.success { color: var(--success); }
.submit-status.error { color: var(--danger); }

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

/* ==================== RESPONSIVE ==================== */
@media (max-width: 600px) {
    .quiz-wrapper { padding: 20px 16px 40px; }
    .quiz-card { padding: 1.5rem; }
    .form-card { padding: 1.5rem; }
    .intro-stats { grid-template-columns: 1fr; gap: 0.5rem; }
    .option-btn { padding: 1rem; }
    .result-card { padding: 1.5rem; }
}