@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #4A90E2;
    --secondary: #50C878;
    --accent: #FFA500;
    --admin: #8A2BE2;
    --bg-light: #F9FBFD;
    --text-dark: #2D3748;
    --card-bg: #FFFFFF;
    --shadow: 0 4px 12px rgba(0,0,0,0.08);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

nav {
    background: var(--primary);
    padding: 1rem 2rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    box-shadow: var(--shadow);
    flex-wrap: wrap;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    gap: 6px;
}

nav a:hover {
    background: rgba(255,255,255,0.2);
}

main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

h1, h2, h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

p, li {
    margin-bottom: 0.8rem;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

label {
    font-weight: 500;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

input, select, button {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}

input:focus, select:focus, button:focus {
    outline: none;
    border-color: var(--primary);
}

button {
    background: var(--primary);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

button:hover {
    background: #357ABD;
}

.crono-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    background: #f0f7ff;
    border-left: 4px solid var(--secondary);
    margin-bottom: 1rem;
    border-radius: 8px;
}

.crono-dia {
    font-weight: 600;
    color: var(--primary);
}

.crono-horario {
    color: var(--accent);
    font-weight: 600;
}

.carteirinha {
    text-align: center;
    background: linear-gradient(135deg, #e6f2ff, #f0fff4);
    padding: 2rem;
    border-radius: 16px;
}

.carteirinha img {
    margin: 1.5rem auto;
    border: 2px dashed #ccc;
    border-radius: 12px;
    padding: 1rem;
    background: white;
}

.admin-header {
    background: var(--admin);
    color: white;
    padding: 1.5rem;
    text-align: center;
    border-radius: 16px;
    margin-bottom: 2rem;
}

#video {
    width: 100%;
    max-width: 400px;
    border-radius: 16px;
    border: 3px solid var(--admin);
    margin: 1.5rem auto;
    display: block;
}

#result {
    text-align: center;
    margin-top: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
    min-height: 1.5rem;
}

@media (max-width: 600px) {
    nav {
        flex-direction: column;
        gap: 0.8rem;
    }
    main {
        padding: 0 1rem;
    }
    .card {
        padding: 1.5rem;
    }
}