/*
 * Capa de compatibilidad sobre AdminLTE 3.
 *
 * Las páginas de la aplicación usan nombres de clase propios (panel, button,
 * badge-aprobado, table-wrap...). En vez de reescribir el HTML de cada módulo,
 * este archivo traduce esos nombres al lenguaje visual de AdminLTE.
 *
 * Se carga DESPUÉS de adminlte.min.css, de modo que puede sobrescribirlo.
 * Sin colores nuevos: se reutiliza la paleta de AdminLTE/Bootstrap 4.
 */

:root {
    --lte-primary: #007bff;
    --lte-secondary: #6c757d;
    --lte-success: #28a745;
    --lte-danger: #dc3545;
    --lte-warning: #ffc107;
    --lte-info: #17a2b8;
    --lte-dark: #343a40;
    --lte-body: #f4f6f9;
    --lte-border: rgba(0, 0, 0, .125);
    --lte-muted: #6c757d;
    --lte-radius: .25rem;
    --lte-shadow: 0 0 1px rgba(0, 0, 0, .125), 0 1px 3px rgba(0, 0, 0, .2);
}

/* ------------------------------------------------------------------ *
 * Controles de formulario
 * Los formularios escriben <input> suelto dentro de <label>, sin la
 * clase .form-control de Bootstrap. Se les da ese aspecto aquí.
 * ------------------------------------------------------------------ */

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="search"],
input[type="file"],
select,
textarea {
    display: block;
    width: 100%;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: var(--lte-radius);
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

input[type="file"] {
    padding: .25rem .5rem;
    line-height: 1.9;
}

textarea {
    min-height: 6rem;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 .2rem rgba(0, 123, 255, .25);
}

input:disabled,
select:disabled,
textarea:disabled {
    background-color: #e9ecef;
}

input[type="checkbox"],
input[type="radio"] {
    width: auto;
    display: inline-block;
    margin-right: .4rem;
}

/* Las etiquetas envuelven a su control: la etiqueta va arriba, en negrita. */
label {
    display: block;
    margin-bottom: 1rem;
    font-weight: 600;
    color: #495057;
}

label > input,
label > select,
label > textarea {
    margin-top: .35rem;
    font-weight: 400;
}

/* ------------------------------------------------------------------ *
 * Botones
 * ------------------------------------------------------------------ */

.button {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: var(--lte-radius);
    cursor: pointer;
    text-decoration: none;
    transition: color .15s ease-in-out, background-color .15s ease-in-out,
                border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.button:focus-visible {
    outline: 0;
    box-shadow: 0 0 0 .2rem rgba(0, 123, 255, .35);
}

.button-primary {
    color: #fff;
    background-color: var(--lte-primary);
    border-color: var(--lte-primary);
    box-shadow: var(--lte-shadow);
}

.button-primary:hover {
    background-color: #0069d9;
    border-color: #0062cc;
    color: #fff;
}

.button-secondary {
    color: #fff;
    background-color: var(--lte-secondary);
    border-color: var(--lte-secondary);
    box-shadow: var(--lte-shadow);
}

.button-secondary:hover {
    background-color: #5a6268;
    border-color: #545b62;
    color: #fff;
}

.button-quiet {
    color: #495057;
    background-color: #fff;
    border-color: #ced4da;
}

.button-quiet:hover {
    background-color: #e9ecef;
    color: #212529;
}

.button.approve {
    color: #fff;
    background-color: var(--lte-success);
    border-color: var(--lte-success);
}

.button.approve:hover {
    background-color: #218838;
}

.button.reject {
    color: #fff;
    background-color: var(--lte-danger);
    border-color: var(--lte-danger);
}

.button.reject:hover {
    background-color: #c82333;
}

/* Enlace con forma de botón dentro de la barra superior. */
.button-link {
    background: none;
    border: 0;
    padding: 0;
    color: var(--lte-primary);
    cursor: pointer;
    text-decoration: underline;
    font-size: inherit;
}

.text-action {
    color: var(--lte-primary);
    text-decoration: none;
    font-weight: 600;
}

.text-action:hover {
    text-decoration: underline;
}

/* ------------------------------------------------------------------ *
 * Paneles: equivalen a .card de AdminLTE
 * ------------------------------------------------------------------ */

.panel,
.form-panel,
.compact-panel,
.login-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    margin-bottom: 1.5rem;
    background-color: #fff;
    border-radius: var(--lte-radius);
    box-shadow: var(--lte-shadow);
    padding: 1.25rem;
}

.compact-panel {
    padding: 1rem;
}

.panel > h2,
.form-panel > h2,
.compact-panel > h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 1rem;
    color: #343a40;
}

.panel-heading {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: .75rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--lte-border);
}

.panel-heading h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
    color: #343a40;
}

.panel-heading p {
    margin: .25rem 0 0;
    color: var(--lte-muted);
    font-size: .875rem;
}

.panel-heading > a {
    color: var(--lte-primary);
    text-decoration: none;
    font-size: .875rem;
    font-weight: 600;
    white-space: nowrap;
}

.panel-heading > a:hover {
    text-decoration: underline;
}

/* ------------------------------------------------------------------ *
 * Encabezado de página
 * ------------------------------------------------------------------ */

.page-heading {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-heading h1 {
    font-size: 1.5rem;
    font-weight: 500;
    margin: .25rem 0 0;
    color: #343a40;
}

.page-heading p {
    margin: .35rem 0 0;
    color: var(--lte-muted);
}

.page-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.eyebrow {
    display: inline-block;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--lte-primary);
}

/* ------------------------------------------------------------------ *
 * Rejillas
 * ------------------------------------------------------------------ */

.form-grid,
.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 0 1rem;
    align-items: start;
}

.stack-form {
    display: block;
}

.inline-form {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    margin: 0;
}

.inline-form label {
    margin-bottom: 0;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    align-items: center;
    padding-top: 1rem;
    margin-top: .5rem;
    border-top: 1px solid var(--lte-border);
    grid-column: 1 / -1;
}

.form-note,
.table-note {
    color: var(--lte-muted);
    font-size: .875rem;
    margin: .5rem 0 0;
}

.invoice-field {
    grid-column: span 1;
}

.requires-review {
    color: #856404;
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    border-radius: var(--lte-radius);
    padding: .5rem .75rem;
    font-size: .875rem;
}

/* ------------------------------------------------------------------ *
 * Indicadores del panel principal
 * ------------------------------------------------------------------ */

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metric-card {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    background-color: #fff;
    border-left: 4px solid var(--lte-primary);
    border-radius: var(--lte-radius);
    box-shadow: var(--lte-shadow);
    padding: 1rem 1.25rem;
}

.metric-card > span {
    font-size: .875rem;
    color: var(--lte-muted);
}

.metric-card > strong {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
    color: #343a40;
}

.metric-card > small {
    font-size: .75rem;
    color: var(--lte-muted);
}

.metric-card.accent  { border-left-color: var(--lte-success); }
.metric-card.warning { border-left-color: var(--lte-warning); }
.metric-card.info    { border-left-color: var(--lte-info); }

/* ------------------------------------------------------------------ *
 * Tablas
 * ------------------------------------------------------------------ */

.table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-wrap table {
    width: 100%;
    margin-bottom: 0;
    border-collapse: collapse;
    background-color: #fff;
}

.table-wrap.wide table {
    min-width: 60rem;
}

.table-wrap th,
.table-wrap td {
    padding: .75rem;
    vertical-align: top;
    border-top: 1px solid #dee2e6;
    font-size: .9375rem;
}

.table-wrap thead th {
    vertical-align: bottom;
    border-top: 0;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    color: #495057;
    white-space: nowrap;
}

.table-wrap tbody tr:hover {
    background-color: rgba(0, 0, 0, .02);
}

.table-wrap td.empty,
.table-wrap .empty {
    text-align: center;
    color: var(--lte-muted);
    padding: 2rem .75rem;
    font-style: italic;
}

.actions-cell {
    white-space: nowrap;
}

.actions-cell form {
    display: inline;
}

/* ------------------------------------------------------------------ *
 * Etiquetas de estado
 * ------------------------------------------------------------------ */

.badge {
    display: inline-block;
    padding: .35em .65em;
    font-size: .75rem;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 10rem;
    text-transform: capitalize;
    color: #fff;
}

.badge-aprobado,
.badge-activa,
.badge-recibido    { background-color: var(--lte-success); }

.badge-pendiente,
.badge-en_transito { background-color: var(--lte-warning); color: #1f2d3d; }

.badge-rechazado,
.badge-anulada     { background-color: var(--lte-danger); }

.badge-cerrada     { background-color: var(--lte-secondary); }

/* ------------------------------------------------------------------ *
 * Avisos
 * Bootstrap ya define .alert, .alert-success y .alert-info.
 * La aplicación emite además el tipo "error".
 * ------------------------------------------------------------------ */

.alert-error {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

/* ------------------------------------------------------------------ *
 * Pantalla de acceso
 * ------------------------------------------------------------------ */

.login-page .login-box {
    width: 400px;
    max-width: 92vw;
}

.login-heading {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-heading h1 {
    font-size: 1.375rem;
    font-weight: 600;
    margin: .35rem 0 .5rem;
    color: #343a40;
}

.login-heading p {
    color: var(--lte-muted);
    font-size: .875rem;
    margin: 0;
}

/* ------------------------------------------------------------------ *
 * Accesibilidad y responsive
 * ------------------------------------------------------------------ */

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--lte-primary);
    outline-offset: 2px;
}

@media (max-width: 575.98px) {
    .page-heading,
    .panel-heading {
        flex-direction: column;
        align-items: stretch;
    }

    .page-actions .button {
        width: 100%;
    }
}

@media print {
    .main-sidebar,
    .main-header,
    .main-footer,
    .page-actions,
    .form-actions {
        display: none !important;
    }

    .content-wrapper {
        margin-left: 0 !important;
    }
}