/* =============================================================================
   IPV - Sistema visual derivado de Nacional Seguros (Bolivia)
   Paleta extraida de https://nacionalseguros.com.bo/
   ========================================================================== */

:root {
    /* Paleta primaria - azul corporativo */
    --ns-navy:           #002C55;
    --ns-navy-dark:      #001a35;
    --ns-blue-medium:    #004980;
    --ns-blue-strong:    #004C94;
    --ns-cyan:           #00A1E4;
    --ns-blue-light:     #4A9FDC;

    /* Backgrounds suaves */
    --ns-blue-soft:      #D7E5F1;
    --ns-blue-tint:      #C6D7E4;
    --ns-bg:             #f7fafc;

    /* Acentos / CTA */
    --ns-orange:         #F36A10;
    --ns-orange-dark:    #EB5A24;
    --ns-orange-light:   #fff4ee;

    /* Soporte semantico */
    --ns-success:        #02946C;
    --ns-warning:        #d97706;
    --ns-danger:         #dc2626;

    /* Tipografia / superficies */
    --ns-text-strong:    #252930;
    --ns-text:           #364B61;
    --ns-text-muted:     #838484;
    --ns-border:         #e2e8f0;
    --ns-surface:        #ffffff;

    /* Tipografia base */
    --ns-font-sans:      'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

    /* Espaciado / radius / sombras */
    --ns-radius-sm:      6px;
    --ns-radius:         10px;
    --ns-radius-lg:      16px;
    --ns-shadow-sm:      0 1px 2px rgba(0,44,85,0.04), 0 1px 3px rgba(0,44,85,0.06);
    --ns-shadow:         0 4px 6px -1px rgba(0,44,85,0.08), 0 2px 4px -2px rgba(0,44,85,0.05);
    --ns-shadow-lg:      0 20px 25px -5px rgba(0,44,85,0.10), 0 8px 10px -6px rgba(0,44,85,0.07);
}

/* Reset basico */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--ns-font-sans);
    font-size: 16px;
    line-height: 1.55;
    color: var(--ns-text);
    background: var(--ns-bg);
    -webkit-font-smoothing: antialiased;
}

/* Layout helpers */
.ns-container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.ns-stack > * + * { margin-top: 16px; }

/* Header marca */
.ns-header {
    background: var(--ns-navy);
    color: #fff;
    box-shadow: var(--ns-shadow-sm);
}
.ns-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: 1140px;
    margin: 0 auto;
}
.ns-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 0.5px;
}
.ns-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    background: var(--ns-orange);
    color: #fff;
    border-radius: var(--ns-radius-sm);
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.5px;
}
.ns-brand-tagline {
    margin-left: 12px;
    padding-left: 12px;
    border-left: 1px solid rgba(255,255,255,0.18);
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    font-weight: 400;
}
.ns-header-accent {
    height: 3px;
    background: linear-gradient(90deg, var(--ns-orange) 0%, var(--ns-orange-dark) 100%);
}

/* Botones */
.ns-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--ns-radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.18s ease;
}
.ns-btn-primary {
    background: var(--ns-orange);
    color: #fff;
}
.ns-btn-primary:hover { background: var(--ns-orange-dark); }
.ns-btn-secondary {
    background: var(--ns-navy);
    color: #fff;
}
.ns-btn-secondary:hover { background: var(--ns-blue-medium); }
.ns-btn-ghost {
    background: transparent;
    color: var(--ns-navy);
    border-color: var(--ns-border);
}
.ns-btn-ghost:hover { background: var(--ns-blue-soft); }

/* Tarjetas */
.ns-card {
    background: var(--ns-surface);
    border: 1px solid var(--ns-border);
    border-radius: var(--ns-radius);
    box-shadow: var(--ns-shadow);
}
.ns-card-body { padding: 32px; }

/* Tipografia */
.ns-eyebrow {
    display: inline-block;
    padding: 4px 12px;
    background: var(--ns-orange-light);
    color: var(--ns-orange-dark);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}
.ns-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--ns-text-strong);
    margin: 16px 0 8px;
    line-height: 1.25;
}
.ns-subtitle {
    font-size: 16px;
    color: var(--ns-text);
    margin: 0 0 24px;
}

/* Badge de estado */
.ns-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--ns-blue-soft);
    border: 1px solid var(--ns-blue-tint);
    border-radius: 999px;
    color: var(--ns-navy);
    font-size: 13px;
    font-weight: 500;
}
.ns-badge-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--ns-orange);
    animation: ns-pulse 1.6s ease-in-out infinite;
}
@keyframes ns-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Formularios */
.ns-form-card {
    max-width: 460px;
    margin: 64px auto 32px;
}
.ns-form-group { margin-bottom: 18px; }
.ns-form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--ns-text-strong);
    font-size: 14px;
}
.ns-form-input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--ns-border);
    border-radius: var(--ns-radius-sm);
    font-family: inherit;
    font-size: 15px;
    background: #fff;
    color: var(--ns-text-strong);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.ns-form-input:focus {
    outline: none;
    border-color: var(--ns-blue-medium);
    box-shadow: 0 0 0 3px rgba(0, 73, 128, 0.15);
}
.ns-form-help {
    font-size: 12px;
    color: var(--ns-text-muted);
    margin-top: 6px;
}
.ns-form-btn-full { width: 100%; justify-content: center; }

/* Alertas */
.ns-alert {
    padding: 12px 16px;
    border-radius: var(--ns-radius-sm);
    margin-bottom: 18px;
    font-size: 14px;
    line-height: 1.45;
}
.ns-alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--ns-danger);
}
.ns-alert-success {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: var(--ns-success);
}
.ns-alert-info {
    background: var(--ns-blue-soft);
    border: 1px solid var(--ns-blue-tint);
    color: var(--ns-navy);
}

/* Admin nav (en el header) */
.ns-admin-nav { display: flex; gap: 18px; align-items: center; }
.ns-admin-nav-link {
    color: rgba(255,255,255,0.78);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}
.ns-admin-nav-link:hover { color: #fff; }
.ns-admin-nav-link.is-active {
    color: #fff;
    border-bottom-color: var(--ns-orange);
}

/* Admin topbar */
.ns-admin-topbar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 10px 24px;
    background: #fff;
    border-bottom: 1px solid var(--ns-border);
}
.ns-admin-topbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--ns-text);
}
.ns-admin-topbar-user a {
    color: var(--ns-text-muted);
    text-decoration: none;
    font-size: 13px;
}
.ns-admin-topbar-user a:hover { color: var(--ns-orange); }

/* Tablas */
.ns-table-wrap {
    background: #fff;
    border: 1px solid var(--ns-border);
    border-radius: var(--ns-radius);
    overflow: auto;
}
.ns-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.ns-table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--ns-blue-soft);
    color: var(--ns-navy);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--ns-border);
}
.ns-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--ns-border);
    color: var(--ns-text-strong);
    vertical-align: middle;
}
.ns-table tr:last-child td { border-bottom: none; }
.ns-table tr:hover td { background: #fafbfc; }
.ns-table a { color: var(--ns-blue-medium); text-decoration: none; font-weight: 500; }
.ns-table a:hover { text-decoration: underline; }

/* Pills de estado */
.ns-pill {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}
.ns-pill--pending     { background: #fef3c7; color: #92400e; }
.ns-pill--in-progress { background: var(--ns-blue-soft); color: var(--ns-navy); }
.ns-pill--completed   { background: #d1fae5; color: #065f46; }
.ns-pill--expired     { background: #f3f4f6; color: #6b7280; }
.ns-pill--flagged     { background: #fee2e2; color: #991b1b; }

/* Toolbar de filtros */
.ns-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
}
.ns-toolbar-spacer { flex: 1; }
.ns-toolbar select,
.ns-toolbar input[type="search"] {
    padding: 8px 12px;
    border: 1px solid var(--ns-border);
    border-radius: var(--ns-radius-sm);
    font-family: inherit;
    font-size: 14px;
    background: #fff;
    color: var(--ns-text-strong);
}

/* Grid de form en 2 columnas para desktop */
.ns-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 20px;
}
.ns-form-grid .ns-form-group--full { grid-column: 1 / -1; }
@media (max-width: 700px) {
    .ns-form-grid { grid-template-columns: 1fr; }
}

/* Paginacion */
.ns-pagination {
    display: flex;
    gap: 4px;
    margin-top: 16px;
    justify-content: center;
}
.ns-pagination a, .ns-pagination span {
    padding: 6px 12px;
    border: 1px solid var(--ns-border);
    border-radius: var(--ns-radius-sm);
    color: var(--ns-text);
    text-decoration: none;
    font-size: 13px;
}
.ns-pagination a:hover { background: var(--ns-blue-soft); color: var(--ns-navy); }
.ns-pagination .is-active {
    background: var(--ns-navy);
    color: #fff;
    border-color: var(--ns-navy);
}

/* Copy URL box */
.ns-copy-box {
    display: flex;
    gap: 8px;
    padding: 12px;
    background: #f8fafc;
    border: 1px solid var(--ns-border);
    border-radius: var(--ns-radius-sm);
    align-items: center;
}
.ns-copy-box input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 13px;
    color: var(--ns-text-strong);
    outline: none;
    min-width: 0;
}

/* Definicion (key/value) */
.ns-dl {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 12px 20px;
    margin: 0;
}
.ns-dl dt { color: var(--ns-text-muted); font-size: 13px; font-weight: 500; }
.ns-dl dd { margin: 0; color: var(--ns-text-strong); font-size: 14px; }
@media (max-width: 600px) {
    .ns-dl { grid-template-columns: 1fr; gap: 4px 0; }
    .ns-dl dd { margin-bottom: 10px; }
}

/* =============================================================================
   UI del candidato (form.php) — mobile-first
   ========================================================================== */

/* Barra de progreso */
.ns-progress {
    width: 100%;
    height: 8px;
    background: var(--ns-blue-soft);
    border-radius: 999px;
    overflow: hidden;
}
.ns-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--ns-orange) 0%, var(--ns-orange-dark) 100%);
    transition: width 0.3s ease;
}

/* Card de cada item */
.ns-item-card {
    background: var(--ns-surface);
    border: 1px solid var(--ns-border);
    border-radius: var(--ns-radius);
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: var(--ns-shadow-sm);
}
.ns-item-card.has-error {
    border-color: var(--ns-danger);
    background: #fff7f7;
}
.ns-item-num {
    display: inline-block;
    padding: 4px 12px;
    background: var(--ns-blue-soft);
    color: var(--ns-navy);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.ns-item-text {
    font-size: 17px;
    line-height: 1.45;
    color: var(--ns-text-strong);
    font-weight: 500;
    margin-bottom: 16px;
}

/* Opciones A/B/C como cards clickeables */
.ns-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.ns-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: #fff;
    border: 2px solid var(--ns-border);
    border-radius: var(--ns-radius-sm);
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}
.ns-option:hover { border-color: var(--ns-blue-light); background: #fafdff; }
.ns-option.is-selected,
.ns-option:has(input:checked) {
    border-color: var(--ns-navy);
    background: var(--ns-blue-soft);
    box-shadow: 0 0 0 3px rgba(0, 44, 85, 0.08);
}
.ns-option input { position: absolute; opacity: 0; pointer-events: none; }
.ns-option-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--ns-navy);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}
.ns-option.is-selected .ns-option-letter,
.ns-option:has(input:checked) .ns-option-letter {
    background: var(--ns-orange);
}
.ns-option-text {
    font-size: 15px;
    color: var(--ns-text-strong);
    line-height: 1.4;
}

/* Navegacion del test */
.ns-test-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--ns-border);
}
.ns-test-nav .ns-btn { padding: 12px 24px; font-size: 15px; }

/* Responsive del test */
@media (max-width: 600px) {
    .ns-item-card { padding: 18px 16px; }
    .ns-item-text { font-size: 15px; }
    .ns-option { padding: 12px 14px; gap: 12px; }
    .ns-option-letter { width: 28px; height: 28px; font-size: 13px; }
    .ns-option-text { font-size: 14px; }
    .ns-test-nav { flex-direction: column-reverse; }
    .ns-test-nav .ns-btn { width: 100%; justify-content: center; }
}

/* =============================================================================
   Resto del admin
   ========================================================================== */

/* Page header */
.ns-page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin: 0 0 24px;
}
.ns-page-head h1 { margin: 0; font-size: 24px; color: var(--ns-text-strong); }
.ns-page-head .ns-page-sub { color: var(--ns-text-muted); font-size: 13px; margin-top: 4px; }

/* Footer */
.ns-footer {
    margin-top: 64px;
    padding: 32px 24px;
    background: var(--ns-navy-dark);
    color: rgba(255,255,255,0.65);
    text-align: center;
    font-size: 13px;
}
.ns-footer strong { color: #fff; }

/* =============================================================================
   Responsive — breakpoints
   ========================================================================== */

/* Tablet pequena (<=900px) */
@media (max-width: 900px) {
    .ns-container { padding: 0 20px; }
    .ns-title { font-size: 26px; }
}

/* Mobile (<=600px) */
@media (max-width: 600px) {
    body { font-size: 15px; }
    .ns-container { padding: 0 16px; }

    .ns-header-bar { padding: 14px 16px; }
    .ns-brand { font-size: 16px; gap: 10px; }
    .ns-brand-mark { width: 32px; height: 32px; font-size: 13px; }
    .ns-brand-tagline { display: none; }

    .ns-card-body { padding: 24px 20px; }
    .ns-title { font-size: 22px; }
    .ns-subtitle { font-size: 14px; }
    .ns-eyebrow { font-size: 10px; padding: 3px 10px; }

    .ns-footer { margin-top: 40px; padding: 24px 16px; font-size: 12px; }
}

/* Mobile chico (<=380px) - iPhone SE y similares */
@media (max-width: 380px) {
    .ns-brand span:not(.ns-brand-mark) { font-size: 14px; }
    .ns-title { font-size: 20px; }
    .ns-card-body { padding: 20px 16px; }
}

/* Reducir animacion para usuarios con prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .ns-badge-dot { animation: none; }
    * { transition: none !important; }
}