:root {
    --navy: #0f172a;
    --indigo: #6366f1;
    --violet: #818cf8;
    --ice: #e0e7ff;
    --teal: #14b8a6;
    --gray-text: #64748b;
    --border: #e2e8f0;
    --danger: #ef4444;
    --success: #10b981;
}

* { box-sizing: border-box; }

body.jntp-body-bg {
    background: #f8fafc;
    font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--navy);
    margin: 0;
}

.jntp-site-header {
    background: var(--navy);
    padding: 14px 0;
}
.jntp-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}
.jntp-logo { color: #fff; font-weight: 700; font-size: 20px; text-decoration: none; }
.jntp-header-right { display: flex; align-items: center; gap: 14px; }
.jntp-user-name { color: var(--ice); font-size: 14px; }

.jntp-btn {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: none;
}
.jntp-btn-primary { background: var(--indigo); color: #fff; }
.jntp-btn-primary:hover { background: var(--violet); }
.jntp-btn-teal { background: var(--teal); color: #fff; }
.jntp-btn-outline { background: transparent; color: var(--ice); border: 1px solid var(--violet); }
.jntp-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.jntp-container { max-width: 1200px; margin: 30px auto; padding: 0 20px; }

.jntp-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.jntp-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.jntp-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.jntp-stat-box {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
    text-align: center;
}
.jntp-stat-box h2 { color: var(--indigo); margin: 0 0 4px; font-size: 28px; }
.jntp-stat-box p { margin: 0; color: var(--gray-text); font-size: 13px; }

table.jntp-table { width: 100%; border-collapse: collapse; }
table.jntp-table th, table.jntp-table td {
    text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px;
}
table.jntp-table th { background: var(--ice); color: var(--navy); }

.jntp-form-row { margin-bottom: 14px; }
.jntp-form-row label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 14px; }
.jntp-form-row input[type=text], .jntp-form-row input[type=number], .jntp-form-row select, .jntp-form-row textarea {
    width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px;
}

.jntp-checkbox-list { max-height: 260px; overflow-y: auto; border: 1px solid var(--border); border-radius: 6px; padding: 10px; }
.jntp-checkbox-item { padding: 6px 0; border-bottom: 1px solid #f1f5f9; font-size: 14px; }
.jntp-checkbox-item:last-child { border-bottom: none; }

.jntp-badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.jntp-badge-pending { background: #fef3c7; color: #92400e; }
.jntp-badge-completed { background: #d1fae5; color: #065f46; }

/* ---- Exam Interface ---- */
.jntp-exam-layout { display: grid; grid-template-columns: 1fr 320px; gap: 20px; }
.jntp-exam-header {
    display: flex; justify-content: space-between; align-items: center;
    background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 14px 20px; margin-bottom: 16px;
}
.jntp-timer { color: var(--indigo); font-weight: 700; }
.jntp-timer.jntp-timer-warning { color: var(--danger); }

.jntp-options label {
    display: block; padding: 12px 16px; border: 1px solid var(--border); border-radius: 8px;
    margin-bottom: 10px; cursor: pointer; font-size: 14px;
}
.jntp-options label:hover { border-color: var(--violet); }
.jntp-options input[type=radio] { margin-right: 10px; }
.jntp-options label.selected { border-color: var(--indigo); background: var(--ice); }

.jntp-qnav-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.jntp-qnav-btn {
    background: #f1f5f9; border: 1px solid var(--border); border-radius: 6px; padding: 8px 0;
    text-align: center; cursor: pointer; font-size: 13px; font-weight: 600;
}
.jntp-qnav-btn.jntp-current { background: var(--navy); color: #fff; }
.jntp-qnav-btn.jntp-answered { background: var(--teal); color: #fff; }

/* ---- Results / Analytics ---- */
.jntp-compare-row { display: flex; justify-content: space-around; text-align: center; padding: 20px 0; }
.jntp-compare-item h3 { margin: 0; font-size: 24px; color: var(--indigo); }
.jntp-compare-item p { margin: 4px 0 0; color: var(--gray-text); font-size: 13px; }

.jntp-qresult-item { border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; margin-bottom: 12px; }
.jntp-qresult-item.jntp-correct { border-left: 4px solid var(--success); }
.jntp-qresult-item.jntp-incorrect { border-left: 4px solid var(--danger); }
.jntp-qresult-item.jntp-skipped { border-left: 4px solid #cbd5e1; }

.jntp-loading { color: var(--gray-text); padding: 20px; text-align: center; }