/* assets/style.css */
:root {
    --primary:  #c1272d;
    --dark:     #141d38;
    --light:    #f4f6fa;
    --white:    #ffffff;
    --gray:     #6c757d;
    --border:   #dee2e6;
    --success:  #28a745;
    --danger:   #c1272d;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--light);
    color: #333;
    font-size: 15px;
}

/* ---- LOGIN ---- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark) 0%, #1e2d5a 100%);
}
.login-box {
    background: var(--white);
    border-radius: 12px;
    padding: 40px 36px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.login-box .logo {
    text-align: center;
    margin-bottom: 28px;
}
.login-box .logo h1 {
    font-size: 22px;
    color: var(--dark);
    margin-top: 10px;
}
.login-box .logo span {
    display: inline-block;
    width: 52px; height: 52px;
    background: var(--primary);
    border-radius: 50%;
    line-height: 52px;
    font-size: 26px;
    color: #fff;
}

/* ---- LAYOUT ADMIN / ALUNO ---- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--dark);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}
.sidebar .brand {
    padding: 22px 20px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    text-align: center;
}
.sidebar .brand h2 { color: var(--white); font-size: 16px; margin-top: 6px; }
.sidebar .brand span {
    display: inline-block;
    width: 40px; height: 40px;
    background: var(--primary);
    border-radius: 50%;
    line-height: 40px;
    font-size: 20px;
    color: #fff;
}
.sidebar nav { flex: 1; padding: 16px 0; }
.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: rgba(255,255,255,.75);
    text-decoration: none;
    font-size: 14px;
    transition: all .2s;
}
.sidebar nav a:hover,
.sidebar nav a.active {
    background: rgba(255,255,255,.08);
    color: var(--white);
    border-left: 3px solid var(--primary);
    padding-left: 17px;
}
.sidebar nav a .icon { font-size: 17px; width: 22px; text-align: center; }
.sidebar .sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,.1);
    font-size: 13px;
    color: rgba(255,255,255,.5);
}

.main { flex: 1; display: flex; flex-direction: column; overflow: auto; }

.topbar {
    background: var(--white);
    padding: 14px 28px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.topbar h3 { font-size: 18px; color: var(--dark); }
.topbar .user { display: flex; align-items: center; gap: 10px; color: var(--gray); font-size: 14px; }
.topbar .user a { color: var(--primary); text-decoration: none; font-weight: 600; }

.content { padding: 28px; flex: 1; }

/* ---- CARDS ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; margin-bottom: 28px; }
.card {
    background: var(--white);
    border-radius: 10px;
    padding: 22px 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,.07);
    border-left: 4px solid var(--primary);
}
.card .card-num { font-size: 32px; font-weight: 700; color: var(--primary); }
.card .card-label { font-size: 13px; color: var(--gray); margin-top: 4px; }

/* ---- FORMULÁRIOS ---- */
.form-box {
    background: var(--white);
    border-radius: 10px;
    padding: 28px;
    box-shadow: 0 2px 8px rgba(0,0,0,.07);
    max-width: 680px;
}
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--dark); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    color: #333;
    transition: border .2s;
    font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(193,39,45,.12);
}
.form-group textarea { resize: vertical; min-height: 90px; }

/* ---- BOTÕES ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all .2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #a01f24; }
.btn-dark    { background: var(--dark); color: #fff; }
.btn-dark:hover { background: #0d1425; }
.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-danger { background: #dc3545; color: #fff; }
.btn-success { background: var(--success); color: #fff; }

/* ---- TABELAS ---- */
.table-box {
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,.07);
    overflow: hidden;
}
.table-header {
    padding: 18px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}
.table-header h4 { color: var(--dark); font-size: 16px; }
table { width: 100%; border-collapse: collapse; }
thead th {
    background: var(--dark);
    color: rgba(255,255,255,.85);
    padding: 12px 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .4px;
}
tbody tr { border-bottom: 1px solid var(--border); transition: background .15s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #fafbff; }
tbody td { padding: 12px 16px; font-size: 14px; color: #444; }
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.badge-success { background: #d4edda; color: #155724; }
.badge-danger  { background: #f8d7da; color: #721c24; }
.badge-warning { background: #fff3cd; color: #856404; }

/* ---- ALERTAS ---- */
.alert {
    padding: 12px 18px;
    border-radius: 6px;
    margin-bottom: 18px;
    font-size: 14px;
    font-weight: 500;
}
.alert-success { background: #d4edda; color: #155724; border-left: 4px solid #28a745; }
.alert-danger  { background: #f8d7da; color: #721c24; border-left: 4px solid var(--primary); }
.alert-info    { background: #d1ecf1; color: #0c5460; border-left: 4px solid #17a2b8; }

/* ---- QUESTIONÁRIO ALUNO ---- */
.questao-card {
    background: var(--white);
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 18px;
    box-shadow: 0 2px 8px rgba(0,0,0,.07);
    border-top: 3px solid var(--primary);
}
.questao-card .num {
    font-size: 12px;
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}
.questao-card .texto { font-size: 15px; color: var(--dark); font-weight: 600; margin-bottom: 16px; }
.opcao-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all .2s;
    font-size: 14px;
}
.opcao-label:hover { border-color: var(--primary); background: #fff5f5; }
.opcao-label input:checked + span { color: var(--primary); font-weight: 600; }

/* ---- RESPONSIVO ---- */
@media (max-width: 768px) {
    .sidebar { width: 200px; }
    .content { padding: 16px; }
    .cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 576px) {
    .layout { flex-direction: column; }
    .sidebar { width: 100%; }
    .cards { grid-template-columns: 1fr; }
}