/* ==========================================================================
   TECNITEC Control — hoja de estilos principal
   CSS propio, sin dependencias externas (funciona sin Internet).
   ========================================================================== */

:root {
    --navy: #0b2545;
    --navy-2: #13315c;
    --azul: #1f6fb2;
    --azul-hover: #195a91;
    --celeste: #3fa7d6;
    --celeste-claro: #e7f3fa;
    --fondo: #f3f5f8;
    --superficie: #ffffff;
    --borde: #dde3ea;
    --texto: #1d2733;
    --texto-suave: #5b6b7c;
    --verde: #1e7e34;
    --verde-claro: #e3f3e7;
    --naranja: #c2410c;
    --naranja-claro: #fdebe1;
    --rojo: #b42318;
    --rojo-claro: #fdecea;
    --gris-estado: #6b7280;
    --gris-claro: #eef0f3;
    --radio: 8px;
    --sombra: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
    --sidebar-ancho: 240px;
    --fuente: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { font-size: 15px; }

body {
    margin: 0;
    font-family: var(--fuente);
    color: var(--texto);
    background: var(--fondo);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { margin: 0; line-height: 1.25; color: var(--navy); }
h1 { font-size: 1.5rem; font-weight: 600; }
h2 { font-size: 1.15rem; font-weight: 600; }
h3 { font-size: 1rem; font-weight: 600; }

.text-muted { color: var(--texto-suave); }
.text-right { text-align: right; }
.nowrap { white-space: nowrap; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---------- Estructura principal ---------- */

.app { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-ancho);
    flex-shrink: 0;
    background: var(--navy);
    color: #cfd8e3;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 30;
}

.brand {
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: 1.1rem 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    color: #fff;
}
.brand:hover { text-decoration: none; }
.brand-mark {
    width: 36px; height: 36px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--celeste), var(--azul));
    display: grid; place-items: center;
    font-weight: 700; font-size: 1.1rem; color: #fff;
}
.brand strong { display: block; letter-spacing: .06em; font-size: .98rem; }
.brand small { display: block; color: #9fb3c8; font-size: .78rem; margin-top: -2px; }

.nav { padding: .8rem .6rem; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.nav-section {
    font-size: .7rem; text-transform: uppercase; letter-spacing: .08em;
    color: #7f93a8; padding: .9rem .7rem .3rem;
}
.nav-link {
    display: flex; align-items: center; gap: .7rem;
    padding: .55rem .7rem;
    border-radius: 6px;
    color: #cfd8e3;
    font-size: .93rem;
}
.nav-link svg { width: 18px; height: 18px; flex-shrink: 0; opacity: .85; }
.nav-link:hover { background: rgba(255, 255, 255, .06); color: #fff; text-decoration: none; }
.nav-link.active { background: var(--navy-2); color: #fff; box-shadow: inset 3px 0 0 var(--celeste); }
.nav-link.active svg { opacity: 1; color: var(--celeste); }

.sidebar-footer {
    margin-top: auto;
    padding: .9rem 1.2rem;
    font-size: .75rem;
    color: #7f93a8;
    border-top: 1px solid rgba(255, 255, 255, .08);
}

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    height: 60px;
    background: var(--superficie);
    border-bottom: 1px solid var(--borde);
    display: flex; align-items: center; gap: 1rem;
    padding: 0 1.5rem;
    position: sticky; top: 0; z-index: 20;
}
.topbar-title { font-weight: 600; color: var(--navy); flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.menu-btn {
    display: none;
    background: none; border: 0; padding: .35rem; cursor: pointer; color: var(--navy);
    border-radius: 6px;
}
.menu-btn:hover { background: var(--gris-claro); }
.menu-btn svg { width: 22px; height: 22px; }

.user-menu { position: relative; }
.user-menu summary {
    list-style: none; cursor: pointer;
    display: flex; align-items: center; gap: .6rem;
    padding: .3rem .5rem; border-radius: 6px;
}
.user-menu summary::-webkit-details-marker { display: none; }
.user-menu summary:hover { background: var(--gris-claro); }
.avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--celeste-claro); color: var(--navy-2);
    display: grid; place-items: center; font-weight: 700;
}
.user-name { display: flex; flex-direction: column; line-height: 1.2; font-size: .9rem; }
.user-name small { color: var(--texto-suave); font-size: .75rem; }
.user-dropdown {
    position: absolute; right: 0; top: calc(100% + 6px);
    background: var(--superficie);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    box-shadow: 0 8px 24px rgba(16, 24, 40, .12);
    min-width: 200px; padding: .35rem;
}
.user-dropdown a, .user-dropdown button {
    display: block; width: 100%; text-align: left;
    padding: .5rem .7rem; border-radius: 6px;
    background: none; border: 0; font: inherit; color: var(--texto); cursor: pointer;
}
.user-dropdown a:hover, .user-dropdown button:hover { background: var(--gris-claro); text-decoration: none; }
.user-dropdown form { margin: 0; }

.content { padding: 1.5rem; max-width: 1280px; width: 100%; }

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

.page-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 1rem; flex-wrap: wrap;
    margin-bottom: 1.25rem;
}
.page-header p { margin: .2rem 0 0; color: var(--texto-suave); }
.page-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

.breadcrumb { font-size: .85rem; color: var(--texto-suave); margin-bottom: .35rem; }
.breadcrumb a { color: var(--texto-suave); }

/* ---------- Tarjetas ---------- */

.card {
    background: var(--superficie);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    margin-bottom: 1.25rem;
}
.card-header {
    padding: .9rem 1.2rem;
    border-bottom: 1px solid var(--borde);
    display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.card-body { padding: 1.2rem; }
.card-body.p-0 { padding: 0; }

.kpis {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.kpi {
    background: var(--superficie);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    padding: 1rem 1.2rem;
    border-top: 3px solid var(--azul);
}
.kpi-label { font-size: .8rem; color: var(--texto-suave); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.kpi-value { font-size: 1.55rem; font-weight: 700; color: var(--navy); margin-top: .3rem; line-height: 1.2; }
.kpi-value + .kpi-value { font-size: 1.1rem; margin-top: .15rem; }
.kpi-hint { font-size: .8rem; color: var(--texto-suave); margin-top: .35rem; }
.kpi.kpi-pendiente { border-top-color: var(--naranja); }
.kpi.kpi-pendiente .kpi-value { color: var(--naranja); }
.kpi.kpi-cobrado { border-top-color: var(--verde); }
.kpi.kpi-cobrado .kpi-value { color: var(--verde); }
.kpi.kpi-servicios { border-top-color: var(--celeste); }

/* ---------- Formularios ---------- */

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.25rem; }
.form-grid .span-2 { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: .3rem; }
.form-label { font-size: .85rem; font-weight: 600; color: var(--texto); }
.form-label .req { color: var(--rojo); margin-left: 2px; }
.form-hint { font-size: .8rem; color: var(--texto-suave); }

.form-control, .form-select {
    width: 100%;
    padding: .5rem .7rem;
    font: inherit;
    color: var(--texto);
    background: #fff;
    border: 1px solid #c9d2dc;
    border-radius: 6px;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--celeste);
    box-shadow: 0 0 0 3px rgba(63, 167, 214, .2);
}
input.form-control, .form-select { height: 38px; }
textarea.form-control { min-height: 90px; resize: vertical; }
.input-validation-error { border-color: var(--rojo) !important; }
.field-validation-error { color: var(--rojo); font-size: .8rem; }
.validation-summary-errors {
    background: var(--rojo-claro); color: var(--rojo);
    border: 1px solid #f5c2bd; border-radius: 6px;
    padding: .6rem .9rem; margin-bottom: 1rem; font-size: .9rem;
}
.validation-summary-errors ul { margin: 0; padding-left: 1.1rem; }
.validation-summary-valid { display: none; }

.check { display: flex; align-items: center; gap: .5rem; font-size: .9rem; }
.check input { width: 16px; height: 16px; }

.form-actions {
    display: flex; gap: .5rem; justify-content: flex-end; flex-wrap: wrap;
    padding-top: 1.1rem; margin-top: 1.1rem; border-top: 1px solid var(--borde);
}

.filters { display: flex; gap: .75rem; align-items: flex-end; flex-wrap: wrap; }
.filters .form-group { min-width: 170px; }
.filters .form-group.grow { flex: 1; min-width: 220px; }

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

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
    padding: .5rem .95rem;
    font: inherit; font-size: .9rem; font-weight: 600;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    line-height: 1.3;
    text-decoration: none !important;
    transition: background .15s, border-color .15s, color .15s;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--azul); color: #fff; }
.btn-primary:hover { background: var(--azul-hover); }
.btn-secondary { background: #fff; color: var(--texto); border-color: #c9d2dc; }
.btn-secondary:hover { background: var(--gris-claro); }
.btn-danger { background: var(--rojo); color: #fff; }
.btn-danger:hover { background: #912018; }
.btn-success { background: var(--verde); color: #fff; }
.btn-success:hover { background: #17692b; }
.btn-link { background: none; border: 0; color: var(--azul); padding: .25rem .4rem; font-weight: 600; }
.btn-link:hover { text-decoration: underline !important; }
.btn-link.danger { color: var(--rojo); }
.btn-sm { padding: .3rem .6rem; font-size: .82rem; }
.btn[disabled], .btn.disabled { opacity: .5; pointer-events: none; }

.inline-form { display: inline; margin: 0; }

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

.table-wrap { width: 100%; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th {
    text-align: left; font-size: .76rem; text-transform: uppercase; letter-spacing: .04em;
    color: var(--texto-suave); font-weight: 600;
    background: #f8fafc;
    padding: .65rem 1rem;
    border-bottom: 1px solid var(--borde);
    white-space: nowrap;
}
.table td { padding: .7rem 1rem; border-bottom: 1px solid var(--borde); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: #f9fbfd; }
.table .acciones { text-align: right; white-space: nowrap; }
.table .monto { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.table .inactivo td { color: var(--texto-suave); }

.empty-state { text-align: center; padding: 2.5rem 1rem; color: var(--texto-suave); }
.empty-state strong { display: block; color: var(--texto); margin-bottom: .25rem; }

/* ---------- Badges de estado ---------- */

.badge {
    display: inline-block;
    padding: .2rem .6rem;
    border-radius: 999px;
    font-size: .74rem; font-weight: 700; letter-spacing: .03em;
    white-space: nowrap;
}
.badge-pendiente { background: var(--naranja-claro); color: var(--naranja); }
.badge-pagado { background: var(--verde-claro); color: var(--verde); }
.badge-anulado { background: var(--gris-claro); color: var(--gris-estado); }
.badge-activo { background: var(--verde-claro); color: var(--verde); }
.badge-inactivo { background: var(--gris-claro); color: var(--gris-estado); }

/* ---------- Alertas ---------- */

.alert { padding: .75rem 1rem; border-radius: 6px; margin-bottom: 1rem; border: 1px solid transparent; font-size: .92rem; }
.alert-success { background: var(--verde-claro); color: #14532d; border-color: #b7dfc1; }
.alert-error { background: var(--rojo-claro); color: var(--rojo); border-color: #f5c2bd; }
.alert-info { background: var(--celeste-claro); color: var(--navy-2); border-color: #bfe0f1; }
.alert-warning { background: #fff7e6; color: #8a5300; border-color: #fcd9a0; }

/* ---------- Detalle ---------- */

.detail-list { display: grid; grid-template-columns: 200px 1fr; gap: .6rem 1rem; margin: 0; }
.detail-list dt { color: var(--texto-suave); font-size: .88rem; }
.detail-list dd { margin: 0; font-weight: 500; word-break: break-word; }

/* ---------- Login ---------- */

.login-page {
    min-height: 100vh;
    display: grid; place-items: center;
    padding: 1.5rem;
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 55%, #1d4e89 100%);
}
.login-card {
    width: 100%; max-width: 400px;
    background: var(--superficie);
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, .25);
    padding: 2rem;
}
.login-brand { display: flex; align-items: center; gap: .75rem; margin-bottom: 1.5rem; }
.login-brand .brand-mark { width: 44px; height: 44px; font-size: 1.3rem; }
.login-brand strong { display: block; color: var(--navy); letter-spacing: .06em; font-size: 1.1rem; }
.login-brand small { color: var(--texto-suave); }
.login-card .form-group { margin-bottom: 1rem; }
.login-card .btn { width: 100%; padding: .65rem; }
.login-footer { text-align: center; color: rgba(255, 255, 255, .6); font-size: .8rem; margin-top: 1rem; }

/* ---------- Página "próximamente" / errores ---------- */

.placeholder { text-align: center; padding: 3rem 1.5rem; }
.placeholder svg { width: 48px; height: 48px; color: var(--celeste); margin-bottom: .75rem; }
.placeholder p { color: var(--texto-suave); max-width: 460px; margin: .5rem auto 0; }

/* ---------- Responsive ---------- */

@media (max-width: 1100px) {
    .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
    .sidebar {
        position: fixed; left: 0; top: 0; bottom: 0;
        transform: translateX(-100%);
        transition: transform .2s ease;
    }
    body.sidebar-open .sidebar { transform: translateX(0); box-shadow: 0 0 30px rgba(0, 0, 0, .3); }
    .sidebar-backdrop {
        display: none; position: fixed; inset: 0; background: rgba(11, 37, 69, .45); z-index: 25;
    }
    body.sidebar-open .sidebar-backdrop { display: block; }
    .menu-btn { display: inline-flex; }
    .topbar { padding: 0 1rem; }
    .content { padding: 1rem; }
    .user-name { display: none; }
}

@media (max-width: 640px) {
    html { font-size: 14px; }
    .kpis { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .detail-list { grid-template-columns: 1fr; gap: .1rem; }
    .detail-list dd { margin-bottom: .6rem; }
    .filters .form-group { min-width: 100%; }
    .page-actions { width: 100%; }
    .table th, .table td { padding: .6rem .7rem; }
}

/* ---------- Fase 2: cobros y pagos ---------- */

.text-danger { color: var(--rojo); }
.text-pendiente { color: var(--naranja); }
.text-success { color: var(--verde); }

.table tfoot td { background: #f8fafc; border-top: 2px solid var(--borde); padding: .7rem 1rem; }
.table .acciones .btn { margin-left: .25rem; }

.resumen-importes {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem;
    margin-bottom: 1.25rem;
}
.importe {
    background: var(--superficie); border: 1px solid var(--borde); border-radius: var(--radio);
    box-shadow: var(--sombra); padding: .9rem 1.1rem;
    display: flex; flex-direction: column; gap: .2rem;
}
.importe span { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--texto-suave); font-weight: 600; }
.importe strong { font-size: 1.45rem; color: var(--navy); font-variant-numeric: tabular-nums; }
.importe-pagado strong { color: var(--verde); }
.importe-pendiente { border-left: 4px solid var(--naranja); }
.importe-pendiente strong { color: var(--naranja); }
.importe-cero { border-left: 4px solid var(--verde); }
.importe-cero strong { color: var(--verde); }

.progreso { grid-column: 1 / -1; height: 8px; background: var(--gris-claro); border-radius: 999px; overflow: hidden; }
.progreso-barra { height: 100%; background: var(--verde); border-radius: 999px; }

.dos-columnas { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 1.25rem; align-items: start; }
.dos-columnas .resumen-importes { grid-template-columns: 1fr; gap: .6rem; }
.dos-columnas .importe strong { font-size: 1.2rem; }

.input-monto { font-size: 1.15rem; font-weight: 600; font-variant-numeric: tabular-nums; }

.resumen-generacion { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.gen {
    border: 1px solid var(--borde); border-radius: var(--radio); padding: 1rem 1.2rem;
    display: flex; flex-direction: column; gap: .15rem;
}
.gen strong { font-size: 1.8rem; line-height: 1.1; }
.gen span { color: var(--texto-suave); font-size: .85rem; font-weight: 600; }
.gen-creados { background: var(--verde-claro); border-color: #b7dfc1; }
.gen-creados strong { color: var(--verde); }
.gen-existentes { background: var(--gris-claro); }
.gen-existentes strong { color: var(--gris-estado); }
.gen-errores { background: var(--rojo-claro); border-color: #f5c2bd; }
.gen-errores strong { color: var(--rojo); }
.lista-resultado { margin: .5rem 0 0; padding-left: 1.2rem; font-size: .9rem; }
.lista-resultado li { padding: .15rem 0; }

@media (max-width: 900px) {
    .dos-columnas { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .resumen-importes, .resumen-generacion { grid-template-columns: 1fr; }
}

/* Tabla de cobros completa (11 columnas): más compacta para que quepa en escritorio */
.table-cobros { font-size: .86rem; }
.table-cobros th, .table-cobros td { padding: .6rem .55rem; }
.table-cobros th:first-child, .table-cobros td:first-child { padding-left: 1rem; }
.table-cobros th:last-child, .table-cobros td:last-child { padding-right: 1rem; }
.table-cobros .btn-sm { padding: .25rem .5rem; font-size: .78rem; }
.table-cobros .fechas span { display: block; line-height: 1.35; }
.table-cobros .fechas span + span { font-size: .8rem; }
@media (max-width: 1440px) {
    :root { --sidebar-ancho: 220px; }
    .content { padding: 1.25rem; }
}

/* ---------- Fase 3: configuración y documentos ---------- */

.config-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1.25rem; align-items: start; }
.logo-preview {
    border: 1px dashed #c9d2dc; border-radius: var(--radio); background: #fbfcfd;
    min-height: 110px; display: grid; place-items: center; padding: 1rem;
}
.logo-preview img { max-width: 100%; max-height: 110px; object-fit: contain; }
.logo-vacio { text-align: center; }
.logo-vacio strong { display: block; color: var(--navy); font-size: 1.3rem; letter-spacing: .04em; }
.logo-vacio span { color: var(--texto-suave); font-size: .82rem; }
.btn-pdf { background: #fff; color: var(--navy-2); border-color: #b9c7d6; }
.btn-pdf:hover { background: var(--celeste-claro); }
.btn-pdf.pagado { color: var(--verde); border-color: #b7dfc1; }
.table .acciones { white-space: normal; }
.acciones-flex { display: inline-flex; flex-wrap: wrap; gap: .3rem .35rem; justify-content: flex-end; align-items: center; max-width: 230px; }

@media (max-width: 900px) {
    .config-grid { grid-template-columns: 1fr; }
}
.table-cobros .fechas.periodo span + span { font-size: inherit; }