/* ============================================================
   SIGERD - Sistema de Validación de Secciones
   Hoja de estilos profesional
   ============================================================ */

:root {
    /* Paleta */
    --bg: #f1f5f4;
    --bg-soft: #e9efee;
    --surface: #ffffff;
    --surface-alt: #f8faf9;
    --ink: #14201d;
    --ink-soft: #3a4a45;
    --muted: #6b7873;
    --line: #dde5e2;
    --line-strong: #c4d0cc;

    --brand: #0f766e;
    --brand-strong: #0a5c55;
    --brand-ink: #0d423d;
    --brand-soft: #e6f2f0;
    --brand-softer: #f0f7f6;

    --danger: #b42318;
    --danger-bg: #fef3f2;
    --danger-line: #fecdca;
    --success: #067647;
    --success-bg: #ecfdf3;
    --success-line: #abefc6;
    --warning: #b54708;
    --warning-bg: #fffaeb;
    --warning-line: #fec84b;

    --shadow-sm: 0 1px 2px rgba(20, 32, 29, 0.06), 0 1px 3px rgba(20, 32, 29, 0.04);
    --shadow-md: 0 4px 12px rgba(20, 32, 29, 0.08), 0 2px 4px rgba(20, 32, 29, 0.04);
    --shadow-lg: 0 18px 45px rgba(20, 32, 29, 0.12);

    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;

    --field-h: 44px;
    --header-h: 68px;

    --font-sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", "Cascadia Code", Consolas, monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--brand);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--brand-strong);
}

h1, h2, h3 {
    color: var(--ink);
    line-height: 1.2;
    margin: 0;
}

p {
    margin: 0 0 0.75em;
}

code {
    font-family: var(--font-mono);
    background: var(--bg-soft);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--brand-ink);
}

/* ============================================================
   Header
   ============================================================ */

.app-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: var(--header-h);
    padding: 14px clamp(18px, 4vw, 48px);
    background: linear-gradient(135deg, #0e2723 0%, #0a3d36 100%);
    color: #ffffff;
    box-shadow: 0 2px 12px rgba(14, 39, 35, 0.25);
}

.app-header h1,
.app-header h2,
.app-header h3,
.app-header p {
    color: #ffffff;
}

.app-header .brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.app-header .logo-mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    flex-shrink: 0;
}

.app-header .logo-mark svg {
    width: 26px;
    height: 26px;
    color: #6fbcb5;
}

.app-header .brand-text h1 {
    margin: 2px 0 0;
    font-size: clamp(17px, 2.2vw, 22px);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.eyebrow {
    margin: 0;
    color: #6fbcb5;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.top-nav {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
}

.top-nav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease;
}

.top-nav a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.top-nav a.active {
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.2);
}

.top-nav a svg {
    width: 16px;
    height: 16px;
}

/* ============================================================
   Layout
   ============================================================ */

.shell {
    width: min(1240px, calc(100% - 32px));
    margin: 28px auto 56px;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: clamp(20px, 3vw, 34px);
}

.panel.narrow {
    max-width: 720px;
    margin: 0 auto;
}

.panel-title {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line);
}

.panel-title h2 {
    margin: 6px 0 0;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ============================================================
   Alertas
   ============================================================ */

.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    font-weight: 600;
    font-size: 14px;
    animation: alert-in 0.25s ease;
}

.alert .alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.alert.success {
    color: var(--success);
    background: var(--success-bg);
    border-color: var(--success-line);
}

.alert.error {
    color: var(--danger);
    background: var(--danger-bg);
    border-color: var(--danger-line);
}

.alert.warning {
    color: var(--warning);
    background: var(--warning-bg);
    border-color: var(--warning-line);
}

@keyframes alert-in {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Formularios
   ============================================================ */

fieldset {
    margin: 0 0 24px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface-alt);
}

legend {
    padding: 0 10px;
    font-weight: 700;
    font-size: 14px;
    color: var(--brand-strong);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

label {
    display: grid;
    gap: 7px;
    color: var(--ink-soft);
    font-size: 13px;
    font-weight: 600;
}

input,
select,
textarea {
    width: 100%;
    min-height: var(--field-h);
    border: 1.5px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink);
    padding: 9px 12px;
    font: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

input::placeholder {
    color: var(--muted);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

input[readonly],
input:disabled,
select:disabled {
    background: var(--bg-soft);
    color: var(--muted);
    cursor: not-allowed;
}

input[type="checkbox"],
input[type="radio"] {
    width: auto;
    min-height: auto;
    accent-color: var(--brand);
    cursor: pointer;
}

input[type="search"] {
    padding-left: 38px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7873' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 12px center;
}

.grid {
    display: grid;
    gap: 16px;
}

.grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.search-row,
.toolbar,
.actions {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
}

.search-row label,
.toolbar label {
    flex: 1 1 280px;
}

/* ============================================================
   Botones
   ============================================================ */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: var(--field-h);
    padding: 9px 18px;
    border: 1.5px solid var(--brand);
    border-radius: var(--radius-sm);
    background: var(--brand);
    color: #ffffff;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease, box-shadow 0.15s ease;
    white-space: nowrap;
}

.button:hover {
    background: var(--brand-strong);
    border-color: var(--brand-strong);
    color: #ffffff;
}

.button:active {
    transform: translateY(1px);
}

.button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.28);
}

.button.secondary {
    background: var(--surface);
    color: var(--brand-strong);
}

.button.secondary:hover {
    background: var(--brand-soft);
    color: var(--brand-strong);
}

.button.danger {
    background: var(--danger);
    border-color: var(--danger);
}

.button.danger:hover {
    background: #912018;
    border-color: #912018;
}

.button svg {
    width: 16px;
    height: 16px;
}

.link-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-height: 32px;
    line-height: 1;
    border: 0;
    background: transparent;
    color: var(--brand);
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.15s ease, color 0.15s ease;
}

.link-button svg {
    flex: none;
}

.link-button:hover {
    background: var(--brand-soft);
    color: var(--brand-strong);
}

.link-button.danger {
    color: var(--danger);
}

.link-button.danger:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ============================================================
   Secciones (checkboxes)
   ============================================================ */

.sections-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(110px, 1fr));
    gap: 12px;
}

.section-item {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    padding: 12px;
    border: 1.5px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    transition: border-color 0.15s ease, background 0.15s ease;
}

.section-item:has(input[type="checkbox"]:checked) {
    border-color: var(--brand);
    background: var(--brand-softer);
}

.check-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--ink);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.check-label input {
    width: 18px;
    min-height: 18px;
}

.section-item input[type="number"] {
    min-height: 38px;
    padding: 6px 10px;
}

/* ============================================================
   Tablas
   ============================================================ */

.table-wrap {
    width: 100%;
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    min-width: 1100px;
    border-collapse: collapse;
    background: var(--surface);
}

th,
td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
    font-size: 14px;
}

th {
    position: sticky;
    top: 0;
    background: var(--brand-softer);
    color: var(--brand-ink);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

tbody tr {
    transition: background 0.12s ease;
}

tbody tr:hover {
    background: var(--surface-alt);
}

tbody tr:last-child td {
    border-bottom: 0;
}

td.code {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--brand-ink);
}

td.empty {
    text-align: center;
    color: var(--muted);
    padding: 40px 14px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--muted);
}

.empty-state svg {
    width: 40px;
    height: 40px;
    color: var(--line-strong);
}

/* La columna de acciones ocupa toda la altura de la celda y centra los
   botones verticalmente, para que queden alineados sin importar si el
   contenido de otras celdas (ej. nombre del centro) se envuelve y hace
   la fila mas alta. */
td.row-actions {
    vertical-align: middle;
    white-space: nowrap;
}

.row-actions {
    display: flex;
    gap: 4px;
    align-items: center;
    justify-content: flex-start;
    white-space: nowrap;
    min-height: 32px;
    height: 100%;
}

.row-actions form {
    margin: 0;
    display: inline-flex;
}

.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 999px;
    background: var(--brand-soft);
    color: var(--brand-ink);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

/* ============================================================
   Utilidades
   ============================================================ */

.muted {
    color: var(--muted);
    line-height: 1.6;
}

.stacked-form > * + * {
    margin-top: 0;
}

/* ============================================================
   Toast (notificaciones flotantes)
   ============================================================ */

.toast-container {
    position: fixed;
    top: calc(var(--header-h) + 16px);
    right: 20px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 360px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius);
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    pointer-events: auto;
    animation: toast-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}


.toast.fade-out {
    animation: toast-out 0.25s ease forwards;
}

.toast .toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }

.toast .toast-close {
    margin-left: auto;
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    font-size: 18px;
}

.toast .toast-close:hover {
    color: var(--ink);
}

@keyframes toast-in {
    from { opacity: 0; transform: translateX(24px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
    to { opacity: 0; transform: translateX(24px); }
}

/* ============================================================
   Estados de carga
   ============================================================ */

.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.button.secondary.loading::after {
    border-color: rgba(15, 118, 110, 0.25);
    border-top-color: var(--brand);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================================
   Footer
   ============================================================ */

.app-footer {
    margin-top: 40px;
    padding: 20px 0;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
}

.app-footer a {
    color: var(--muted);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 920px) {
    .app-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        padding: 16px 20px;
    }

    .top-nav {
        width: 100%;
    }

    .top-nav a {
        flex: 1 1 auto;
        justify-content: center;
    }

    .panel-title {
        flex-direction: column;
        gap: 14px;
    }
}

@media (max-width: 760px) {
    .grid.three {
        grid-template-columns: 1fr;
    }

    .sections-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 520px) {
    .sections-grid {
        grid-template-columns: 1fr;
    }

    .button,
    .top-nav a {
        width: 100%;
    }

    .actions .button,
    .toolbar .button {
        flex: 1 1 100%;
    }

    .toast-container {
        left: 16px;
        right: 16px;
        max-width: none;
    }
}

/* Botón de descarga PWA */
.nav-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-sm);
    background: rgba(15, 118, 110, 0.35);
    color: #ffffff;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.nav-download-btn:hover {
    background: rgba(15, 118, 110, 0.55);
    border-color: rgba(255, 255, 255, 0.4);
}

.nav-download-btn svg {
    width: 16px;
    height: 16px;
}

.nav-download-btn.installed {
    background: rgba(6, 118, 71, 0.4);
    border-color: rgba(171, 239, 198, 0.4);
}

/* Indicador de estado offline */
.sync-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.sync-status.online {
    background: rgba(6, 118, 71, 0.2);
    color: #abefc6;
}

.sync-status.offline {
    background: rgba(181, 71, 8, 0.25);
    color: #fec84b;
}

.sync-status .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Badge de registros pendientes de sincronizar */
.sync-badge {
    display: inline-grid;
    place-items: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    margin-left: 8px;
    border-radius: 999px;
    background: #b54708;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    box-shadow: 0 0 0 2px rgba(15, 39, 35, 0.6);
    vertical-align: middle;
}

/* Modal de descarga */
.install-modal {
    position: fixed;
    inset: 0;
    background: rgba(20, 32, 29, 0.5);
    backdrop-filter: blur(3px);
    z-index: 200;
    display: grid;
    place-items: center;
    padding: 20px;
    animation: alert-in 0.2s ease;
}

.install-modal-content {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 480px;
    width: 100%;
    padding: 32px;
    text-align: center;
}

.install-modal-content .install-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 16px;
    background: var(--brand-softer);
    display: grid;
    place-items: center;
    color: var(--brand);
}

.install-modal-content h3 {
    margin: 0 0 12px;
    font-size: 22px;
    font-weight: 700;
    color: var(--ink);
}

.install-modal-content p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.install-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

@media (max-width: 520px) {
    .nav-download-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================================
   Panel de administración - Tarjetas de acceso
   ============================================================ */
.admin-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
}

.admin-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    color: var(--ink);
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.admin-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand);
    color: var(--ink);
}

.admin-card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: var(--brand-softer);
    color: var(--brand);
}

.admin-card-icon svg {
    width: 24px;
    height: 24px;
}

.admin-card-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1 1 auto;
}

.admin-card-body strong {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
}

.admin-card-body small {
    font-size: 13px;
    color: var(--muted);
}

.admin-card-arrow {
    flex-shrink: 0;
    color: var(--muted);
    transition: transform 0.15s ease, color 0.15s ease;
}

.admin-card-arrow svg {
    width: 18px;
    height: 18px;
}

.admin-card:hover .admin-card-arrow {
    transform: translateX(3px);
    color: var(--brand);
}