/* ============================================================
   GESTIÓN DE COBRANZAS · Hoja de estilos
   Diseño minimalista · FontAwesome · Familia de fuente Windows
   ============================================================ */

:root {
    /* Tipografía de Windows (Segoe UI) */
    --font-family: 'Segoe UI', 'Segoe UI Variable Text', 'Segoe UI Emoji',
                   system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;

    /* Paleta minimalista */
    --color-bg: #f3f4f6;
    --color-surface: #ffffff;
    --color-border: #e5e7eb;
    --color-border-strong: #d1d5db;
    --color-text: #111827;
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;

    /* Acento principal (azul) */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-soft: #eff6ff;
    --color-primary-border: #bfdbfe;

    /* Semánticos */
    --color-success: #16a34a;
    --color-success-soft: #f0fdf4;
    --color-success-border: #bbf7d0;
    --color-danger: #dc2626;
    --color-danger-soft: #fef2f2;
    --color-danger-border: #fecaca;
    --color-warning: #d97706;
    --color-warning-soft: #fffbeb;
    --color-warning-border: #fde68a;

    /* Medidas */
    --radius: 10px;
    --radius-sm: 6px;
    --sidebar-w: 260px;
    --shadow-sm: 0 1px 2px rgba(17, 24, 39, .04), 0 1px 3px rgba(17, 24, 39, .06);
    --shadow-md: 0 4px 6px -1px rgba(17, 24, 39, .07), 0 2px 4px -2px rgba(17, 24, 39, .05);
    --transition: all .18s ease;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

/* El atributo hidden siempre debe ocultar, incluso si la clase define display */
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.55;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; }

/* ============================================================
   LAYOUT PRINCIPAL
   ============================================================ */
.app-body { overflow-x: hidden; }

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

/* ---------- Sidebar ---------- */
.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 40;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 18px;
    border-bottom: 1px solid var(--color-border);
}

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--color-primary), #4f46e5);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    box-shadow: var(--shadow-sm);
}

.brand-text strong { display: block; font-size: 15px; letter-spacing: .2px; }
.brand-text small { color: var(--color-text-muted); font-size: 11.5px; }

/* Logo de marca (personalización) */
.brand-logo {
    width: 38px; height: 38px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: #fff;
    border: 1px solid var(--color-border);
    padding: 3px;
    flex-shrink: 0;
}
.brand-logo-lg { width: 64px; height: 64px; border-radius: 14px; }

.input-color { width: 48px; padding: 4px; cursor: pointer; }

.logo-preview-box {
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    padding: 12px;
}
.logo-preview {
    max-height: 90px;
    max-width: 220px;
    object-fit: contain;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fff;
    padding: 8px;
}

.sidebar-nav { flex: 1; overflow-y: auto; padding: 14px 12px; }

.nav-section {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .8px;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding: 16px 10px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
    margin-bottom: 2px;
    transition: var(--transition);
}

.nav-item i { width: 18px; text-align: center; font-size: 15px; color: var(--color-text-muted); transition: var(--transition); }

.nav-item:hover { background: var(--color-bg); color: var(--color-text); }
.nav-item:hover i { color: var(--color-primary); }

.nav-item.active {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 600;
}
.nav-item.active i { color: var(--color-primary); }

/* Sidebar footer: usuario + salir */
.sidebar-footer {
    padding: 14px;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.user-chip { display: flex; align-items: center; gap: 10px; padding: 6px 4px; }

.user-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.user-info strong { display: block; font-size: 13px; line-height: 1.3; }
.user-info { min-width: 0; }

.role-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 99px;
    margin-top: 3px;
}
.role-badge i { font-size: 7px; }

.badge-admin { background: var(--color-danger-soft); color: var(--color-danger); }
.badge-supervisor { background: var(--color-warning-soft); color: var(--color-warning); }
.badge-gestor { background: var(--color-primary-soft); color: var(--color-primary); }

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}
.btn-logout:hover { border-color: var(--color-danger-border); background: var(--color-danger-soft); color: var(--color-danger); }

/* ---------- Área principal ---------- */
.main-area {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 28px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 30;
}

.page-title { font-size: 19px; font-weight: 600; letter-spacing: .1px; }

.btn-toggle {
    width: 38px; height: 38px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: 15px;
    display: none;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.btn-toggle:hover { background: var(--color-bg); color: var(--color-primary); }

.content {
    flex: 1;
    padding: 26px 28px 40px;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
}

.app-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    padding: 14px 28px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 12.5px;
    background: var(--color-surface);
}
.app-footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}
.app-footer a:hover { text-decoration: underline; }
.footer-dev {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.footer-version {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border: 1px solid var(--color-primary-border);
    border-radius: 999px;
    padding: 1px 9px;
    white-space: nowrap;
}

/* Footer de páginas públicas (login, licencia, errores) */
.auth-footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 12px;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 6px 16px;
    font-size: 12px;
    color: var(--color-text-muted);
    text-align: center;
    pointer-events: none;
}
.auth-footer span { pointer-events: auto; }
.auth-footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}
.auth-footer a:hover { text-decoration: underline; }
.auth-footer-sep { color: var(--color-border-strong); }

.sidebar-overlay { display: none; }

/* ============================================================
   COMPONENTES
   ============================================================ */

/* ---------- Tarjetas ---------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.card-header h3 {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}
.card-header h3 i { color: var(--color-primary); }

.card-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.card-body { padding: 20px; }

/* ---------- Botones ---------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: #fff;
    font-size: 13.5px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-primary-hover); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: 13.5px;
    font-weight: 500;
    transition: var(--transition);
}
.btn-secondary:hover { background: var(--color-bg); color: var(--color-text); }

/* ---------- Integración VICIdial ---------- */
.btn-copiar.copied {
    background: #16a34a;
    border-color: #16a34a;
    color: #fff;
}
.url-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14.5px;
    font-weight: 600;
    margin: 0 0 14px;
}
.url-title i { color: var(--color-primary); }
.url-title .badge-soft { font-size: 11px; font-weight: 500; }
.url-alt {
    border-top: 1px solid var(--color-border);
    padding-top: 18px;
}

.btn-export {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border: 1px solid var(--color-success-border);
    border-radius: var(--radius-sm);
    background: var(--color-success-soft);
    color: var(--color-success);
    font-size: 13.5px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-export:hover { background: var(--color-success); color: #fff; }

/* Variante Excel (verde de Microsoft Excel) */
.btn-export-excel {
    border-color: #a7f3d0;
    background: #ecfdf5;
    color: #047857;
}
.btn-export-excel:hover { background: #059669; color: #fff; }

/* Variante PDF (rojo Adobe) */
.btn-export-pdf {
    border-color: var(--color-danger-border);
    background: var(--color-danger-soft);
    color: var(--color-danger);
}
.btn-export-pdf:hover { background: var(--color-danger); color: #fff; }

.btn-block { width: 100%; }

.btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border: 1px solid var(--color-danger-border);
    border-radius: var(--radius-sm);
    background: var(--color-danger);
    color: #fff;
    font-size: 13.5px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.btn-danger:hover { background: #b91c1c; color: #fff; transform: translateY(-1px); }
.btn-danger:active { transform: translateY(0); }

.btn-danger-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border: 1px solid var(--color-danger-border);
    border-radius: var(--radius-sm);
    background: var(--color-danger-soft);
    color: var(--color-danger);
    font-size: 13.5px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-danger-ghost:hover { background: var(--color-danger); color: #fff; }

/* Acciones de respaldo (admin) */
.backup-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.backup-actions form { display: inline-flex; }

/* Log del respaldo automático */
.backup-log {
    background: #0f172a;
    color: #e2e8f0;
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font-size: 12px;
    line-height: 1.6;
    overflow-x: auto;
    max-height: 200px;
    overflow-y: auto;
    margin-top: 6px;
}

/* Botón de icono (tablas) */
.btn-icon {
    width: 32px; height: 32px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.btn-icon:hover { background: var(--color-primary-soft); color: var(--color-primary); border-color: var(--color-primary-border); }

.btn-icon-danger:hover { background: var(--color-danger-soft); color: var(--color-danger); border-color: var(--color-danger-border); }

/* Variante de advertencia (candado de edición) */
.btn-icon-warn:hover { background: var(--color-warning-soft); color: var(--color-warning); border-color: var(--color-warning-border); }

/* Alerta de licencia del panel: persistente (no se auto-oculta),
   con cierre manual recordado por sesión (sessionStorage). */
.lic-alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 13px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
    font-size: 13.5px;
    border: 1px solid;
    box-shadow: var(--shadow-sm);
}
.lic-alert > i { margin-top: 2px; font-size: 16px; flex-shrink: 0; }
.lic-alert-body { flex: 1; min-width: 0; }
.lic-alert-body strong { display: block; font-size: 13.5px; margin-bottom: 1px; }
.lic-alert-body span { color: var(--color-text-secondary); }
.lic-alert-info { background: var(--color-primary-soft); border-color: var(--color-primary-border); color: #1e40af; }
.lic-alert-warning { background: var(--color-warning-soft); border-color: var(--color-warning-border); color: #92400e; }
.lic-alert-danger { background: var(--color-danger-soft); border-color: var(--color-danger-border); color: #7f1d1d; }

/* ---------- Alertas ---------- */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
    font-size: 13.5px;
    border: 1px solid;
}
.alert i { margin-top: 2px; }
.alert-success { background: var(--color-success-soft); border-color: var(--color-success-border); color: #14532d; }
.alert-danger { background: var(--color-danger-soft); border-color: var(--color-danger-border); color: #7f1d1d; }
.alert-info { background: var(--color-primary-soft); border-color: var(--color-primary-border); color: #1e40af; }
.alert-warning { background: var(--color-warning-soft); border-color: var(--color-warning-border); color: #92400e; }
.alert a { color: inherit; text-decoration: underline; }

.btn-close {
    margin-left: auto;
    border: none;
    background: transparent;
    color: inherit;
    font-size: 13px;
    opacity: .6;
    padding: 2px;
    align-self: center;
}
.btn-close:hover { opacity: 1; }

/* ---------- Formularios ---------- */
.field { margin-bottom: 16px; }
.field label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.input-group {
    display: flex;
    align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    overflow: hidden;
}
.input-group:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.input-group > i { padding: 0 12px; color: var(--color-text-muted); font-size: 14px; }

.input {
    flex: 1;
    min-width: 0;
    border: none;
    outline: none;
    padding: 10px 12px;
    background: transparent;
    color: var(--color-text);
}
.input:first-child { padding-left: 0; }
.input::placeholder { color: var(--color-text-muted); }

.textarea { resize: vertical; min-height: 76px; }

.input-icon-btn {
    border: none;
    background: transparent;
    padding: 0 12px;
    color: var(--color-text-muted);
    font-size: 14px;
}
.input-icon-btn:hover { color: var(--color-primary); }

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0 18px;
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.checkbox-field label { margin-bottom: 4px; }

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
}
.checkbox input { width: 16px; height: 16px; accent-color: var(--color-primary); cursor: pointer; }

.hint { color: var(--color-text-muted); font-size: 12.5px; }
.hint-inline { font-weight: 400; color: var(--color-text-muted); font-size: 12px; }

.field-note {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--color-primary-border);
    background: var(--color-primary-soft);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
}
.field-note i { color: var(--color-primary); }
.field-note strong { color: var(--color-primary); }

/* ---------- Tablas ---------- */
.table-wrap { overflow-x: auto; }

.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }

.table thead th {
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .6px;
    color: var(--color-text-muted);
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.table tbody td {
    padding: 12px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.table tbody tr { transition: var(--transition); }
.table tbody tr:hover { background: var(--color-bg); }

.table tfoot td {
    padding: 12px;
    font-weight: 600;
    border-top: 2px solid var(--color-border-strong);
    background: var(--color-bg);
    font-size: 13px;
}

.td-strong { font-weight: 600; }
.td-muted { color: var(--color-text-secondary); }
.ta-right { text-align: right; }
.mono { font-family: Consolas, 'Courier New', monospace; font-size: 12.5px; }
.td-comment { max-width: 240px; }

/* Badges suaves */
.badge-soft {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 99px;
    border: 1px solid var(--color-border);
    white-space: nowrap;
}
.badge-blue { background: var(--color-primary-soft); color: var(--color-primary); border-color: var(--color-primary-border); }
.badge-ok { background: var(--color-success-soft); color: var(--color-success); border-color: var(--color-success-border); }
.badge-warn { background: var(--color-warning-soft); color: var(--color-warning); border-color: var(--color-warning-border); }
.badge-muted { background: var(--color-bg); color: var(--color-text-muted); }
.badge-danger { background: var(--color-danger-soft); color: var(--color-danger); border-color: var(--color-danger-border); }

.sub-badge { margin-top: 4px; font-size: 12px; color: var(--color-text-secondary); }

/* ---------- Popup de concientización (edición de clientes) ---------- */
.conc-warning {
    width: 64px; height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: var(--color-warning-soft);
    border: 1px solid var(--color-warning-border);
    color: var(--color-warning);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}

.conc-text { text-align: center; font-size: 14px; color: var(--color-text-secondary); margin-bottom: 16px; }
.conc-text strong { color: var(--color-text); }

.conc-list { list-style: none; }
.conc-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--color-text-secondary);
    background: var(--color-bg);
}
.conc-list li i { color: var(--color-warning); margin-top: 2px; }

/* Detalle de la bitácora de auditoría */
.audit-detalle { max-width: 380px; font-size: 12.5px; color: var(--color-text-secondary); }

/* Modal más ancho (producto) */
.modal-dialog-lg { max-width: 640px; }

/* ---------- Estados vacíos ---------- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
}
.empty-state i { font-size: 34px; display: block; margin-bottom: 12px; color: var(--color-border-strong); }
.empty-state p { font-size: 14px; }
.empty-sm { padding: 24px 12px; }
.empty-sm i { font-size: 26px; }

/* ---------- Paginación ---------- */
.pagination-nav { display: flex; justify-content: center; margin-top: 20px; }

.pagination { display: flex; list-style: none; gap: 4px; }

.pagination li a, .pagination li.disabled {
    min-width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}
.pagination li a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination li.active a { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.pagination li.disabled { opacity: .45; pointer-events: none; }

/* ---------- Acciones inline en tablas ---------- */
.actions-cell { white-space: nowrap; }
.actions-cell form { display: inline; }
.inline-form { display: inline-block; margin-left: 4px; }

/* ============================================================
   PANEL (dashboard)
   ============================================================ */
.welcome-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}

.welcome-title { font-size: 22px; font-weight: 650; }
.welcome-sub { color: var(--color-text-secondary); margin-top: 2px; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stat-icon {
    width: 46px; height: 46px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    flex-shrink: 0;
}
.stat-icon-blue { background: var(--color-primary-soft); color: var(--color-primary); }
.stat-icon-green { background: var(--color-success-soft); color: var(--color-success); }
.stat-icon-violet { background: #f5f3ff; color: #7c3aed; }
.stat-icon-amber { background: var(--color-warning-soft); color: var(--color-warning); }

.stat-value { display: block; font-size: 22px; font-weight: 650; line-height: 1.2; }
.stat-label { color: var(--color-text-secondary); font-size: 12.5px; }

.quick-links { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; padding: 20px; }

.quick-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    transition: var(--transition);
}
.quick-link i { font-size: 20px; color: var(--color-primary); width: 34px; height: 34px; border-radius: var(--radius-sm); background: var(--color-primary-soft); display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.quick-link strong { display: block; font-size: 13.5px; }
.quick-link small { color: var(--color-text-muted); font-size: 12px; }
.quick-link:hover { border-color: var(--color-primary-border); background: var(--color-primary-soft); transform: translateY(-1px); }

/* ============================================================
   BÚSQUEDA / FICHA DE CLIENTE
   ============================================================ */
.breadcrumb-bar { margin-bottom: 14px; }

.back-link { color: var(--color-text-secondary); font-size: 13px; font-weight: 500; display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); }
.back-link:hover { color: var(--color-primary); }

.client-header { padding: 20px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

.client-identity { display: flex; align-items: center; gap: 16px; }

.client-avatar {
    width: 52px; height: 52px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--color-primary), #4f46e5);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.client-name { font-size: 19px; font-weight: 650; }
.client-meta { margin-top: 6px; display: flex; gap: 8px; flex-wrap: wrap; }

.client-summary { display: flex; gap: 28px; flex-wrap: wrap; align-items: center; }

.summary-item { text-align: right; }
.summary-label { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: .5px; color: var(--color-text-muted); }
.summary-value { font-size: 16px; font-weight: 650; }

.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }

.info-item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.info-item > i { color: var(--color-primary); font-size: 16px; width: 20px; }
.info-item small { display: block; color: var(--color-text-muted); font-size: 11.5px; }
.info-item strong { font-size: 13.5px; }

/* Lista de archivos afectados (integridad / cuarentena) */
.diff-list { display: flex; flex-direction: column; gap: 6px; max-height: 320px; overflow: auto; }
.diff-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}
.diff-item code { font-family: ui-monospace, Consolas, monospace; font-size: 12px; word-break: break-all; }
.diff-type {
    flex: 0 0 auto;
    font-size: 10.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .4px;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
}
.diff-modificados { background: var(--color-warning-soft); color: #92400e; border-color: var(--color-warning-border); }
.diff-eliminados { background: var(--color-danger-soft); color: #7f1d1d; border-color: var(--color-danger-border); }
.diff-agregados { background: var(--color-success-soft); color: #14532d; border-color: var(--color-success-border); }

.phone-list { display: flex; gap: 10px; flex-wrap: wrap; }

.phone-chip {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 9px 16px;
    border: 1px solid var(--color-border-strong);
    border-radius: 99px;
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 13.5px;
    font-weight: 500;
    transition: var(--transition);
}
.phone-chip i { color: var(--color-text-muted); transition: var(--transition); }
.phone-chip:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-1px); }
.phone-chip:hover i { color: var(--color-primary); }
.phone-chip.selected { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.phone-chip.selected i { color: #fff; }

/* ============================================================
   CARGA MASIVA
   ============================================================ */
.file-drop {
    border: 2px dashed var(--color-border-strong);
    border-radius: var(--radius);
    padding: 36px 20px;
    text-align: center;
    color: var(--color-text-secondary);
    position: relative;
    transition: var(--transition);
}
.file-drop:hover { border-color: var(--color-primary); background: var(--color-primary-soft); }
.file-drop i { font-size: 30px; color: var(--color-primary); display: block; margin-bottom: 10px; }
.file-drop p { font-size: 13.5px; }
.file-drop p strong { color: var(--color-text); }
.file-drop .hint { font-size: 12px; }

.file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.cols-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.cols-grid h4 { font-size: 13.5px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.cols-grid h4 i { color: var(--color-primary); }

.cols-list { list-style: none; }
.cols-list li { padding: 5px 0; font-size: 13px; color: var(--color-text-secondary); border-bottom: 1px dashed var(--color-border); }
.cols-list code { background: var(--color-bg); padding: 1px 6px; border-radius: 4px; font-size: 12px; color: var(--color-text); }
.cols-list small { color: var(--color-text-muted); font-size: 11px; }

/* ============================================================
   FILTROS DE REPORTES
   ============================================================ */
.filter-form .filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0 16px;
}
.filter-grid-narrow { max-width: 520px; }

/* ============================================================
   MODAL
   ============================================================ */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px; }

.modal-backdrop { position: absolute; inset: 0; background: rgba(17, 24, 39, .45); backdrop-filter: blur(2px); }

.modal-dialog { position: relative; width: 100%; max-width: 460px; background: var(--color-surface); border-radius: var(--radius); box-shadow: var(--shadow-md); animation: modalIn .2s ease; }

@keyframes modalIn { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: none; } }

.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--color-border); }
.modal-header h3 { font-size: 15.5px; display: flex; align-items: center; gap: 10px; }
.modal-header h3 i { color: var(--color-primary); }

.modal-body { padding: 20px; max-height: 70vh; overflow-y: auto; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--color-border); }

/* ============================================================
   LOGIN
   ============================================================ */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: linear-gradient(160deg, #eef2ff 0%, var(--color-bg) 55%, #f0fdf4 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: var(--shadow-md);
    animation: modalIn .25s ease;
}

.login-brand { text-align: center; margin-bottom: 24px; }

.brand-icon-lg { width: 56px; height: 56px; font-size: 24px; border-radius: 14px; }

.login-title { font-size: 21px; font-weight: 650; margin-top: 14px; }
.login-subtitle { color: var(--color-text-muted); font-size: 13px; margin-top: 4px; }

.login-form { margin-top: 8px; }
.login-form .btn-primary { padding: 11px 16px; font-size: 14px; }

.login-foot {
    text-align: center;
    margin-top: 20px;
    color: var(--color-text-muted);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
}

/* ============================================================
   PANTALLAS DE LICENCIA
   ============================================================ */
.license-card { max-width: 520px; }

.license-status { text-align: center; margin-bottom: 18px; }

.license-status-icon {
    width: 64px; height: 64px;
    margin: 0 auto 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    border: 1px solid;
}
.license-tone-info { background: var(--color-primary-soft); border-color: var(--color-primary-border); color: var(--color-primary); }
.license-tone-warning { background: var(--color-warning-soft); border-color: var(--color-warning-border); color: var(--color-warning); }
.license-tone-danger { background: var(--color-danger-soft); border-color: var(--color-danger-border); color: var(--color-danger); }

.license-status-title { font-size: 18px; font-weight: 650; margin-bottom: 6px; }
.license-status-msg { color: var(--color-text-secondary); font-size: 13.5px; margin-bottom: 14px; }

.license-meta { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.license-meta li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    font-size: 13px;
    text-align: left;
}
.license-meta li > i { color: var(--color-primary); font-size: 16px; }
.license-meta small { display: block; color: var(--color-text-muted); font-size: 11.5px; }
.license-meta strong { font-size: 13px; }

/* Bloque del identificador del equipo (licencia / integridad).
   El código es largo: se envuelve en una caja propia con quiebre seguro
   (nunca se corta ni se desborda) y botón para copiarlo. */
.license-fingerprint {
    background: linear-gradient(180deg, #0f172a 0%, #101b30 100%);
    border: 1px solid #1e293b;
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 18px;
    text-align: left;
}
.license-fingerprint > small {
    display: flex;
    align-items: center;
    gap: 7px;
    color: #94a3b8;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .7px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.fp-code {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(148, 163, 184, .07);
    border: 1px solid #263449;
    border-radius: 8px;
    padding: 10px 12px;
}
.fp-code code {
    flex: 1;
    min-width: 0;
    font-family: Consolas, 'Courier New', monospace;
    font-size: 12.5px;
    line-height: 1.55;
    color: #7dd3fc;
    word-break: break-all;
    overflow-wrap: anywhere;
    user-select: all;
}
.fp-copy {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: #64748b;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}
.fp-copy:hover { color: #7dd3fc; background: rgba(125, 211, 252, .12); }
.fp-copy.copied { color: #4ade80; }
.license-fingerprint .hint {
    color: #64748b;
    font-size: 12px;
    margin-top: 10px;
    text-align: left;
}
.license-fingerprint ul, .license-fingerprint li { color: #cbd5e1; }
.license-fingerprint ul code {
    color: #7dd3fc;
    background: rgba(125, 211, 252, .1);
    padding: 1px 6px;
    border-radius: 4px;
    word-break: break-all;
    overflow-wrap: anywhere;
}

.license-form .input-group input[type="file"] { padding: 8px 12px; }

/* ============================================================
   ERRORES
   ============================================================ */
.error-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--color-bg);
}

.error-card { text-align: center; padding: 40px; }
.error-icon { font-size: 40px; color: var(--color-primary); }
.error-icon-danger { color: var(--color-danger); }
.error-code { font-size: 44px; font-weight: 700; margin: 12px 0 4px; letter-spacing: 2px; }
.error-message { color: var(--color-text-secondary); margin-bottom: 20px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .btn-toggle { display: inline-flex; }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        transition: transform .25s ease;
        box-shadow: var(--shadow-md);
    }

    .app-shell.sidebar-open .sidebar { transform: translateX(0); }
    .app-shell.sidebar-open .sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(17, 24, 39, .4);
        z-index: 35;
    }

    .content { padding: 20px 16px 32px; }
    .topbar { padding: 12px 16px; }

    .client-header { flex-direction: column; }
    .summary-item { text-align: left; }
    .client-summary { gap: 16px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .form-actions .btn-primary, .form-actions .btn-export { flex: 1; }
    .login-card { padding: 28px 22px; }
}