/* Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    /* Brand Colors */
    --primary-magenta: #EC4899;
    --primary-glow: #F472B6;
    --deep-purple: #4C1D95;
    --accent-purple: #A855F7;

    /* Backgrounds */
    --bg-dark: #1A0A2E;
    --bg-card: #2D1B4E;
    --bg-muted: #3D2B5A;

    /* Text */
    --text-white: #FFFFFF;
    --text-muted: #A78BBA;

    /* Utility */
    --border-color: #4A3663;
    --destructive: #EF4444;
    --success-color: #10b981;

    /* Gradients */
    --hero-gradient: linear-gradient(135deg, hsl(270 60% 15%) 0%, hsl(290 50% 20%) 50%, hsl(270 50% 10%) 100%);
    --card-gradient: linear-gradient(180deg, hsl(270 45% 15%) 0%, hsl(270 50% 10%) 100%);
    --accent-gradient: linear-gradient(90deg, #EC4899 0%, #DB2777 100%);
    --hover-gradient: linear-gradient(90deg, #F472B6 0%, #EC4899 100%);
    --glow-gradient: radial-gradient(circle at center, rgba(168, 85, 247, 0.4) 0%, transparent 70%);

    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    --input-bg: rgba(26, 10, 46, 0.6);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(76, 29, 149, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
    color: var(--text-white);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

/* Glassmorphism Container */
.container {
    background: var(--bg-card);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    padding: 50px;
    width: 90%;
    max-width: 480px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.container--quiz {
    max-width: 900px;
    margin-top: 100px;
    margin-bottom: 50px;
}

/* Logo */
.logo {
    width: 120px;
    height: auto;
    position: fixed;
    top: 30px;
    left: 40px;
    z-index: 1000;
}

/* Typography */
h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin: 0 0 10px 0;
    color: var(--text-white);
    letter-spacing: -0.02em;
}

h3 {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
    margin: 0 0 40px 0;
}

/* Forms */
form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    text-align: left;
}

input[type="email"],
input[type="text"],
input[type="password"] {
    padding: 16px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-white);
    font-size: 16px;
    width: 100%;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

input:focus {
    outline: none;
    border-color: var(--primary-magenta);
    box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.2);
    background: rgba(26, 10, 46, 0.8);
}

input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* Password Criteria */
.password-criteria {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: -10px;
}

.criteria-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.criteria-item {
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s;
}

.criteria-item.valid {
    color: var(--success-color);
}

/* Buttons */
button,
.btn {
    display: block;
    text-align: center;
    text-decoration: none;
    padding: 16px;
    border-radius: 12px;
    border: none;
    background: var(--accent-gradient);
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 10px;
}

button:hover,
.btn:hover {
    transform: translateY(-2px);
    background: var(--hover-gradient);
    box-shadow: 0 10px 25px rgba(236, 72, 153, 0.4);
}

button:active {
    transform: scale(0.98);
}

/* Messages */
.error-msg {
    color: #ffd1d1;
    background: rgba(239, 68, 68, 0.2);
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    text-align: center;
    border: 1px solid var(--destructive);
    margin-bottom: 20px;
}

/* Quiz Specific */
.quiz-icon {
    width: 80px;
    height: auto;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.3));
}

.question-card {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.question-text {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-white);
    display: block;
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

@media (min-width: 600px) {
    .options-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.option-label {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid transparent;
    transition: all 0.2s;
    padding: 16px;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-white);
}

.option-label:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-magenta);
}

input[type="radio"] {
    accent-color: var(--primary-magenta);
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    /* Prevents shrinking on long text */
    cursor: pointer;
}

/* Results */
.option {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid transparent;
    padding: 16px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-white);
}

.option.correct {
    background: rgba(16, 185, 129, 0.25);
    border-color: var(--success-color);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.1);
}

.option.wrong {
    background: rgba(239, 68, 68, 0.25);
    border-color: var(--destructive);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.1);
}

.correct-text {
    color: var(--success-color);
    font-weight: 600;
}

.wrong-text {
    color: var(--destructive);
    font-weight: 600;
}

.score-summary {
    background: var(--bg-muted);
    padding: 24px;
    border-radius: 16px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

/* Score Badge */
.score-badge {
    position: absolute;
    top: 30px;
    right: 30px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 1000;
}

.score-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.score-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-magenta);
}