/* Reset e Variáveis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #09090b;
    --bg-card: rgba(24, 24, 27, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --accent: #ffffff;
    --accent-dark: #18181b;
}

html, body {
    font-family: "Inter", sans-serif;
    background: #0f172a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
    animation: fadeIn 1s ease-in;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 500;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--accent);
    color: var(--accent-dark);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.3);
}

/* Auth Pages */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    width: 400px;
}

.auth-header {
    text-align: center;
    margin-bottom: 1rem;
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.none {
    display: none;
}







.quiz-card { max-width: 900px; margin: 0 auto; }

.question-list { display: flex; flex-direction: column; gap: 12px; }

.question-item {
    align-content: center;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 14px; border-radius: 12px; border: 1px solid #334155;
    background: #1e293b24;
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.08);
    flex-direction: column;
}

.question-text { font-weight: 600; }

.question-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

.radio-pill {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 10px; border-radius: 10px; border: 1px solid #334155;
    background: var(--surface);
    cursor: pointer; user-select: none;
    font-weight: 600; color: var(--text-main);
}

.radio-pill input { accent-color: #4f46e5; cursor: pointer; }

input[type="radio"]:focus, input[type="radio"]:focus-visible{
    outline: none;
    box-shadow: none;
}

@media (max-width: 700px) {
    .question-item { flex-direction: column; }
}