/* ========================================================
   SISTEMA DE DISEÑO COMPARTIDO — Fuente única de verdad
   Servido por el worker en /assets/design-system.css y
   enlazado desde login.html, admin.html y boss.html.
   Sin build tool: tokens CSS + componentes reutilizables.
   Los valores coinciden con los de admin.html para que su
   adopción no produzca ningún cambio visual.
   ======================================================== */

:root {
    /* --- Color primario --- */
    --color-primary: #1f6feb;
    --color-primary-hover: #1a5fd0;
    --color-primary-active: #174db0;
    --color-primary-soft: #e7f0fd;
    --color-on-primary: #ffffff;

    /* --- Grises neutros --- */
    --color-bg: #ffffff;
    --color-surface: #ffffff;
    --color-surface-alt: #f6f8fa;
    --color-surface-hover: #f0f3f7;
    --color-border: #d8dee4;
    --color-border-strong: #b6bfc9;
    --color-text: #1c2128;
    --color-text-muted: #57606a;
    --color-text-subtle: #8b949e;

    /* --- Colores semánticos (estado) --- */
    --color-success: #1a7f4b;
    --color-success-bg: #e6f4ec;
    --color-success-border: #9bd3b3;

    --color-warning: #9a6700;
    --color-warning-bg: #fff5e0;
    --color-warning-border: #e8c48a;

    --color-error: #cf222e;
    --color-error-bg: #fdecee;
    --color-error-border: #f0acb2;

    --color-info: #0a5ca8;
    --color-info-bg: #e7f0fb;
    --color-info-border: #a9cdf0;

    /* --- Tipografía --- */
    --font-sans: Arial, Helvetica, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;

    /* Escala de tamaños */
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-md: 16px;
    --font-size-lg: 20px;
    --font-size-xl: 24px;
    --font-size-2xl: 30px;

    /* Pesos */
    --font-weight-normal: 400;
    --font-weight-medium: 600;
    --font-weight-bold: 700;

    /* Interlineado */
    --line-height-tight: 1.25;
    --line-height-base: 1.5;

    /* --- Espaciado (escala base 4px) --- */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;

    /* --- Bordes, sombra y transición --- */
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --shadow-sm: 0 1px 2px rgba(27, 33, 40, 0.08);
    --shadow-md: 0 4px 12px rgba(27, 33, 40, 0.12);
    --shadow-lg: 0 12px 32px rgba(27, 33, 40, 0.18);
    --transition-fast: 0.12s ease;

    /* --- Semáforo de avance (indicador temporal) --- */
    --color-indicator-green: #1a7f4b;
    --color-indicator-yellow: #9a6700;
    --color-indicator-red: #cf222e;
}

/* ===== Base ===== */
h1, h2, h3 {
    font-family: var(--font-sans);
    color: var(--color-text);
    line-height: var(--line-height-tight);
}

h1 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: var(--space-3) 0;
}

h2 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin: var(--space-4) 0 var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-2);
}

h3 {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    margin: var(--space-3) 0;
}

/* Accesibilidad: contenido solo para lectores de pantalla */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* Anillo de foco visible y consistente (teclado) */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ===== Botones ===== */
button, .btn, input[type="button"], input[type="submit"] {
    padding: var(--space-2) var(--space-4);
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin: 2px;
    display: inline-block;
    text-decoration: none;
    color: var(--color-text);
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

button:hover, .btn:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-text-subtle);
}

button:active, .btn:active {
    background: var(--color-border);
}

.btn-small {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
}

.btn-secondary {
    background: var(--color-surface-alt);
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-on-primary);
}
.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}
.btn-primary:active {
    background: var(--color-primary-active);
}

.btn-success {
    background: var(--color-success);
    border-color: var(--color-success);
    color: #ffffff;
}
.btn-success:hover {
    background: #15683d;
    border-color: #15683d;
}

.btn-danger {
    background: var(--color-error);
    border-color: var(--color-error);
    color: #ffffff;
}
.btn-danger:hover {
    background: #b21d28;
    border-color: #b21d28;
}

.btn-warning {
    background: var(--color-warning-bg);
    border-color: var(--color-warning-border);
    color: var(--color-warning);
}
.btn-warning:hover {
    background: #ffeccc;
    border-color: var(--color-warning);
}

/* Botón de acción de tabla: icono + etiqueta alineados */
.btn-action {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    vertical-align: middle;
}
.btn-action svg {
    flex-shrink: 0;
}

/* ===== Inputs ===== */
input[type="text"], input[type="date"], input[type="email"], input[type="url"],
input[type="password"], input[type="number"], input[type="search"], select, textarea {
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    padding: var(--space-2);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    background: var(--color-surface);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:focus, input[type="date"]:focus, input[type="email"]:focus,
input[type="url"]:focus, input[type="password"]:focus, input[type="number"]:focus,
input[type="search"]:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-soft);
}

/* ===== Tablas ===== */
.table-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin: var(--space-4) 0;
    background: var(--color-surface);
    font-size: var(--font-size-sm);
}

th, td {
    border: none;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) var(--space-4);
    text-align: left;
    vertical-align: middle;
}

thead th {
    background: var(--color-surface-alt);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 2px solid var(--color-border-strong);
    white-space: nowrap;
}

tbody tr:last-child td {
    border-bottom: none;
}

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

/* Encabezados ordenables */
th.sortable {
    cursor: pointer;
    user-select: none;
}
th.sortable:hover {
    background: var(--color-surface-hover);
}
.sort-indicator {
    display: inline-block;
    width: 1em;
    margin-left: var(--space-1);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
}

/* ===== Chips de estado ===== */
.estado-pendiente, .badge-warning, .status-badge.status-pendiente {
    border: 2px solid #ffc107;
    padding: 4px 8px;
    background: #fff3cd;
    color: #856404;
    font-weight: bold;
    border-radius: 3px;
}
.estado-progreso, .estado-enprogreso, .badge-info, .status-badge.status-en-progreso {
    border: 2px solid #0dcaf0;
    padding: 4px 8px;
    background: #cff4fc;
    color: #055160;
    font-weight: bold;
    border-radius: 3px;
}
.estado-revision, .estado-enrevision, .badge-danger, .status-badge.status-en-revisión {
    border: 2px solid #9b59b6;
    padding: 4px 8px;
    background: #e8daef;
    color: #4a235a;
    font-weight: bold;
    border-radius: 3px;
}
.estado-publicado, .badge-success, .status-badge.status-publicado {
    border: 2px solid #198754;
    padding: 4px 8px;
    background: #d1e7dd;
    color: #0a3622;
    font-weight: bold;
    border-radius: 3px;
}
.estado-rechazado, .badge-secondary, .status-badge.status-rechazado {
    border: 2px solid #dc3545;
    padding: 4px 8px;
    background: #f8d7da;
    color: #58151c;
    font-weight: bold;
    border-radius: 3px;
}
/* Estados específicos de libros */
.status-badge.status-escribiendo {
    border: 2px solid #ffc107;
    padding: 4px 8px;
    background: #fff3cd;
    color: #856404;
    font-weight: bold;
    border-radius: 3px;
}
.status-badge.status-en-edición {
    border: 2px solid #0dcaf0;
    padding: 4px 8px;
    background: #cff4fc;
    color: #055160;
    font-weight: bold;
    border-radius: 3px;
}
.status-badge.status-enviado {
    border: 2px solid #6f42c1;
    padding: 4px 8px;
    background: #e8daef;
    color: #4a235a;
    font-weight: bold;
    border-radius: 3px;
}
.badge, .status-badge {
    border: 1px solid black;
    padding: 4px 8px;
    display: inline-block;
    background: white;
    color: black;
    font-weight: bold;
    border-radius: 3px;
}

/* ===== Panel de resumen / KPIs ===== */
.summary-panel {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}
.summary-card {
    flex: 1 1 120px;
    min-width: 110px;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    padding: var(--space-3) var(--space-4);
}
.summary-card .summary-value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
}
.summary-card .summary-label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}
.summary-card.summary-total { border-left-color: var(--color-primary); }
.summary-card.summary-pendiente { border-left-color: #ffc107; }
.summary-card.summary-en-progreso { border-left-color: #0dcaf0; }
.summary-card.summary-en-revisión { border-left-color: #9b59b6; }
.summary-card.summary-publicado { border-left-color: var(--color-success); }
.summary-card.summary-rechazado { border-left-color: var(--color-error); }
.summary-card.summary-escribiendo { border-left-color: #ffc107; }
.summary-card.summary-en-edición { border-left-color: #0dcaf0; }
.summary-card.summary-enviado { border-left-color: #6f42c1; }

/* ===== Mensajes / alertas ===== */
.message, .alert {
    padding: var(--space-3) var(--space-4);
    margin: var(--space-3) 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
}
.message {
    box-shadow: var(--shadow-md);
}
.message.success, .message-success, .alert-success {
    background: var(--color-success-bg);
    border-color: var(--color-success-border);
    color: var(--color-success);
}
.message.error, .message-error, .alert-danger {
    background: var(--color-error-bg);
    border-color: var(--color-error-border);
    color: var(--color-error);
}
.message.warning, .message-warning, .alert-warning {
    background: var(--color-warning-bg);
    border-color: var(--color-warning-border);
    color: var(--color-warning);
}
.message.info, .message-info, .alert-info {
    background: var(--color-info-bg);
    border-color: var(--color-info-border);
    color: var(--color-info);
}

/* Contenedor de toasts apilados arriba a la derecha */
#toastContainer {
    position: fixed;
    top: var(--space-5);
    right: var(--space-5);
    z-index: 6000;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-width: 360px;
}
#toastContainer .message {
    margin: 0;
    min-width: 240px;
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    animation: toastIn var(--transition-fast) ease;
}
#toastContainer .message.toast-out {
    animation: toastOut var(--transition-fast) ease forwards;
}
.toast-icon { flex-shrink: 0; font-weight: var(--font-weight-bold); }
.toast-text { flex: 1; }
@keyframes toastIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(20px); }
}

/* ===== Diálogo de confirmación ===== */
#confirmOverlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 6500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}
#confirmOverlay .confirm-box {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    max-width: 440px;
    width: 100%;
    padding: var(--space-5);
}
#confirmOverlay .confirm-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-2);
}
#confirmOverlay .confirm-message {
    color: var(--color-text-muted);
    margin-bottom: var(--space-5);
    white-space: pre-line;
    line-height: var(--line-height-base);
}
#confirmOverlay .confirm-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
}

/* ===== Skeleton de carga ===== */
.skeleton-line {
    height: 14px;
    border-radius: var(--radius-sm);
    background: linear-gradient(90deg, var(--color-surface-alt) 25%, var(--color-surface-hover) 37%, var(--color-surface-alt) 63%);
    background-size: 400% 100%;
    animation: skeletonShimmer 1.2s ease-in-out infinite;
}
@keyframes skeletonShimmer {
    from { background-position: 100% 50%; }
    to { background-position: 0 50%; }
}

/* ===== Estado vacío / error ===== */
.empty-state {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    color: var(--color-text-muted);
}
.empty-state .empty-icon {
    font-size: 32px;
    opacity: 0.5;
    display: block;
    margin-bottom: var(--space-2);
}
.empty-state .empty-title {
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-1);
}
.empty-state .empty-hint {
    font-size: var(--font-size-sm);
}

/* ===== Semáforo de avance (indicador temporal) ===== */
.indicator-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
    border: 1px solid transparent;
}
.indicator-green { background: var(--color-indicator-green); border-color: #14613a; }
.indicator-yellow { background: var(--color-indicator-yellow); border-color: #7a5200; }
.indicator-red { background: var(--color-indicator-red); border-color: #a81b25; }
.indicator-text {
    vertical-align: middle;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-muted);
}

/* ===== Tablas como tarjetas en móvil ===== */
@media (max-width: 768px) {
    table.responsive-cards thead {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        overflow: hidden;
        clip: rect(0 0 0 0);
        white-space: nowrap;
        border: 0;
    }
    table.responsive-cards tbody tr {
        display: block;
        margin: 0 0 var(--space-3) 0;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        padding: var(--space-2) var(--space-3);
        background: var(--color-surface);
    }
    table.responsive-cards tbody tr:hover {
        background: var(--color-surface);
    }
    table.responsive-cards tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: var(--space-3);
        border: none;
        border-bottom: 1px solid var(--color-surface-alt);
        padding: var(--space-2) 0;
        text-align: right;
    }
    table.responsive-cards tbody td:last-child {
        border-bottom: none;
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    table.responsive-cards tbody td::before {
        content: attr(data-label);
        font-weight: var(--font-weight-bold);
        font-size: var(--font-size-xs);
        text-transform: uppercase;
        letter-spacing: 0.03em;
        color: var(--color-text-muted);
        text-align: left;
        flex: 0 0 auto;
    }
}

@media (max-width: 640px) {
    table:not(.responsive-cards) {
        font-size: 12px;
    }
    table:not(.responsive-cards) th,
    table:not(.responsive-cards) td {
        padding: 5px;
    }
}