/**
 * Master Exam Pro - Public-facing CSS.
 * Scoped under .mep- prefixes to prevent theme conflicts.
 */

/* ── Reset / utilities ────────────────────────────────────── */
.mep-container { max-width: 1200px; margin: 24px auto; padding: 0 20px; }
.mep-text-center { text-align: center; }
.mep-muted { color: #666; font-size: 0.92em; }
.mep-card {
    background: #fff;
    border: 1px solid #e6e8eb;
    border-radius: 10px;
    padding: 22px 24px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.mep-card h2, .mep-card h3 { margin-top: 0; }

/* ── Buttons ──────────────────────────────────────────────── */
.mep-btn {
    display: inline-block;
    padding: 9px 18px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: #f3f4f6;
    color: #1f2937;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    line-height: 1.3;
    transition: all .15s ease;
}
.mep-btn:hover { background: #e5e7eb; }
.mep-btn-primary { background: #3b82f6; color: #fff; border-color: #3b82f6; }
.mep-btn-primary:hover { background: #2563eb; border-color: #2563eb; color:#fff; }
.mep-btn-ghost { background: transparent; border-color: #d1d5db; color: #374151; }
.mep-btn-ghost:hover { background: #f9fafb; }
.mep-btn-block { display: block; width: 100%; text-align: center; }
.mep-btn-sm { padding: 5px 12px; font-size: 12px; }
.mep-btn-lg { padding: 14px 32px; font-size: 16px; }

/* ── Pills / badges ───────────────────────────────────────── */
.mep-pill {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
    background: #e5e7eb;
    color: #374151;
}
.mep-pill-simple, .mep-pill-free { background:#dcfce7; color:#166534; }
.mep-pill-cbt   { background:#dbeafe; color:#1e40af; }
.mep-pill-pass, .mep-pill-correct  { background:#dcfce7; color:#166534; }
.mep-pill-fail, .mep-pill-wrong    { background:#fee2e2; color:#991b1b; }
.mep-pill-skipped, .mep-pill-unattempted { background:#f3f4f6; color:#6b7280; }
.mep-pill-in_progress { background:#fef3c7; color:#92400e; }

/* ── Alerts ───────────────────────────────────────────────── */
.mep-alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 14px;
    font-size: 14px;
}
.mep-alert-error   { background:#fee2e2; color:#991b1b; border-left:4px solid #dc2626; }
.mep-alert-success { background:#dcfce7; color:#166534; border-left:4px solid #16a34a; }

/* ── Forms ────────────────────────────────────────────────── */
.mep-form label { display:block; margin-bottom:14px; font-size:13px; color:#374151; font-weight:500; }
.mep-form input[type=text],
.mep-form input[type=email],
.mep-form input[type=password],
.mep-form input[type=number],
.mep-form select,
.mep-form textarea {
    display:block;
    width:100%;
    padding:9px 12px;
    border:1px solid #d1d5db;
    border-radius:6px;
    font-size:14px;
    margin-top:6px;
    box-sizing:border-box;
    background:#fff;
}
.mep-form input:focus, .mep-form textarea:focus, .mep-form select:focus {
    outline:none; border-color:#3b82f6; box-shadow:0 0 0 3px rgba(59,130,246,.15);
}
.mep-checkbox { display:flex; align-items:center; gap:8px; font-weight:400; }
.mep-checkbox input { margin:0; width:auto; }
.mep-form-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.mep-form-grid-full { grid-column: 1 / -1; }

/* ── Auth pages ───────────────────────────────────────────── */
.mep-auth-wrap {
    max-width: 460px;
    margin: 36px auto;
    padding: 0 16px;
}
.mep-auth-card {
    background:#fff;
    border:1px solid #e6e8eb;
    border-radius:12px;
    padding:32px 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,.04);
}
.mep-auth-card h2 { margin-top:0; margin-bottom:20px; text-align:center; }
.mep-auth-foot { text-align:center; margin-top:18px; font-size:13px; color:#6b7280; }
.mep-auth-foot a { color:#3b82f6; text-decoration:none; font-weight:600; }

/* ── Frontend bar (sticky toolbar at top) ─────────────────── */
.mep-frontbar {
    position: sticky;
    top: 0;
    z-index: 9990;
    width: 100%;
    background: linear-gradient(90deg,#1e3a8a,#3b82f6);
    color:#fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    box-shadow: 0 2px 6px rgba(0,0,0,.12);
}
.mep-fb-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
    display:flex;
    align-items:center;
    height: 48px;
    gap: 18px;
}
.mep-fb-brand { display:flex; align-items:center; gap:8px; color:#fff; text-decoration:none; font-weight:600; }
.mep-fb-logo {
    width:28px; height:28px; border-radius:7px;
    background:#fff; color:#1e40af;
    display:flex; align-items:center; justify-content:center;
    font-weight:700; font-size:14px;
}
.mep-fb-name { font-size:15px; }
.mep-fb-links { display:flex; gap:14px; flex:1; }
.mep-fb-links a { color:rgba(255,255,255,.92); text-decoration:none; font-size:14px; padding:6px 8px; border-radius:5px; }
.mep-fb-links a:hover { background:rgba(255,255,255,.1); color:#fff; }
.mep-fb-account { display:flex; align-items:center; gap:10px; }
.mep-fb-avatar {
    width:30px; height:30px; border-radius:50%;
    background:#fff; color:#1e40af;
    display:flex; align-items:center; justify-content:center;
    font-weight:700; font-size:13px;
}
.mep-fb-username { font-size:13px; color:#fff; }
.mep-fb-btn {
    padding:5px 12px; border-radius:6px;
    font-size:13px; font-weight:500; text-decoration:none;
    border:1px solid transparent; line-height:1.4;
}
.mep-fb-btn-ghost { color:#fff; border-color:rgba(255,255,255,.4); }
.mep-fb-btn-ghost:hover { background:rgba(255,255,255,.12); color:#fff; }
.mep-fb-btn-primary { background:#fff; color:#1e40af; }
.mep-fb-btn-primary:hover { background:#f3f4f6; color:#1e40af; }

@media (max-width:680px){
    .mep-fb-inner { gap:10px; }
    .mep-fb-name { display:none; }
    .mep-fb-links { gap:6px; }
    .mep-fb-username { display:none; }
}