/* ============================================================
   ERP CORFIEM — Corporate Stylesheet
   Paleta: Blanco #FFFFFF | Negro #0D1B2A | Gris #2C2C2C
            Azul marino #1B3A6B | Acento #2563EB
   Tipografía: Inter (Google Fonts)
   ============================================================ */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --c-bg:         #F4F5F7;
    --c-surface:    #FFFFFF;
    --c-border:     #E5E7EB;
    --c-border-dark:#D1D5DB;

    --c-primary:    #0D1B2A;     /* Negro corporativo */
    --c-navy:       #1B3A6B;     /* Azul marino */
    --c-accent:     #2563EB;     /* Acento azul */
    --c-accent-lt:  #EFF6FF;

    --c-text-1:     #111827;     /* Texto principal */
    --c-text-2:     #374151;     /* Texto secundario */
    --c-text-3:     #6B7280;     /* Texto suave */
    --c-text-4:     #9CA3AF;     /* Placeholder */

    --c-success:    #059669;
    --c-success-lt: #ECFDF5;
    --c-warning:    #D97706;
    --c-warning-lt: #FFFBEB;
    --c-danger:     #DC2626;
    --c-danger-lt:  #FEF2F2;
    --c-info:       #0891B2;
    --c-info-lt:    #ECFEFF;

    --sidebar-w:    248px;
    --header-h:     60px;
    --radius-sm:    3px;
    --radius:       5px;
    --radius-lg:    8px;

    --shadow-sm:    0 1px 3px rgba(0,0,0,0.08);
    --shadow:       0 2px 8px rgba(0,0,0,0.09);
    --shadow-lg:    0 4px 20px rgba(0,0,0,0.11);

    --transition:   0.18s ease;
}

html { font-size: 14px; scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--c-bg);
    color: var(--c-text-1);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* ── Layout principal ─────────────────────────────────────── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    background: var(--c-primary);
    color: #fff;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-logo {
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo-icon {
    width: 38px; height: 38px;
    background: var(--c-navy);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

.sidebar-logo-icon svg { width: 22px; height: 22px; fill: #fff; }

.sidebar-logo-text { line-height: 1.25; }
.sidebar-logo-name { font-size: 15px; font-weight: 700; letter-spacing: 0.04em; }
.sidebar-logo-sub  { font-size: 10px; color: rgba(255,255,255,0.4);
                     text-transform: uppercase; letter-spacing: 0.1em; }

/* Sección de navegación */
.sidebar-section {
    padding: 16px 0 8px;
    flex: 1;
}

.sidebar-section-label {
    padding: 0 20px 6px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.3);
}

.sidebar-nav { list-style: none; }

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 20px;
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 450;
    transition: background var(--transition), color var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
}

.sidebar-nav a.active {
    background: rgba(37,99,235,0.15);
    color: #fff;
    border-left-color: var(--c-accent);
    font-weight: 600;
}

.sidebar-nav a svg {
    width: 17px; height: 17px;
    opacity: 0.75;
    flex-shrink: 0;
}

.sidebar-nav a.active svg,
.sidebar-nav a:hover svg { opacity: 1; }

/* Footer del sidebar */
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.07);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--c-navy);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; color: #fff;
    flex-shrink: 0;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { font-size: 13px; font-weight: 600; color: #fff;
                     white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 11px; color: rgba(255,255,255,0.4); }

.sidebar-logout {
    margin-left: auto;
    background: none; border: none; cursor: pointer;
    color: rgba(255,255,255,0.4);
    transition: color var(--transition);
    padding: 4px;
}

.sidebar-logout:hover { color: var(--c-danger); }
.sidebar-logout svg   { width: 16px; height: 16px; }

/* ── Área de contenido principal ─────────────────────────── */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header superior */
.top-header {
    height: var(--header-h);
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 16px;
    position: sticky; top: 0; z-index: 50;
}

.top-header-title {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: var(--c-text-1);
}

.top-header-title span {
    font-size: 12px;
    font-weight: 400;
    color: var(--c-text-3);
    margin-left: 8px;
}

.header-actions { display: flex; align-items: center; gap: 10px; }

.btn-icon {
    width: 34px; height: 34px;
    background: none;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background var(--transition);
    color: var(--c-text-2);
}

.btn-icon:hover { background: var(--c-bg); }
.btn-icon svg   { width: 16px; height: 16px; }

/* Página interior */
.page-body {
    padding: 28px;
    flex: 1;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 12px;
}

.page-title    { font-size: 20px; font-weight: 700; color: var(--c-text-1); }
.page-subtitle { font-size: 13px; color: var(--c-text-3); margin-top: 2px; }

/* ── Tarjetas / Cards ─────────────────────────────────────── */
.card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--c-border);
}

.card-title { font-size: 14px; font-weight: 600; color: var(--c-text-1); }

/* ── KPI Cards ────────────────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--c-navy);
}

.kpi-icon {
    width: 38px; height: 38px;
    background: var(--c-accent-lt);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px;
}

.kpi-icon svg { width: 20px; height: 20px; stroke: var(--c-accent); }

.kpi-value { font-size: 28px; font-weight: 700; color: var(--c-text-1); line-height: 1; }
.kpi-label { font-size: 12px; color: var(--c-text-3); margin-top: 4px; }
.kpi-delta { font-size: 12px; margin-top: 8px; display: flex; align-items: center; gap: 4px; }
.kpi-delta.up   { color: var(--c-success); }
.kpi-delta.down { color: var(--c-danger); }

/* ── Grid genérico ────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ── Tabla ────────────────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--c-border);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--c-surface);
    font-size: 13.5px;
}

thead th {
    background: #F9FAFB;
    color: var(--c-text-2);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 11px 14px;
    text-align: left;
    border-bottom: 1px solid var(--c-border);
    white-space: nowrap;
}

tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid #F3F4F6;
    color: var(--c-text-1);
    vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td      { background: #FAFBFC; }

/* ── Badges de estado ─────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.badge-dot::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

.badge-active    { background: var(--c-success-lt); color: var(--c-success); }
.badge-pending   { background: var(--c-warning-lt); color: var(--c-warning); }
.badge-completed { background: var(--c-info-lt);    color: var(--c-info); }
.badge-cancelled { background: var(--c-danger-lt);  color: var(--c-danger); }
.badge-navy      { background: #EFF3FB;              color: var(--c-navy); }

/* ── Botones ──────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 18px;
    border-radius: var(--radius);
    font-family: 'Inter', sans-serif;
    font-size: 13px; font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition), transform 0.1s;
    border: none;
    letter-spacing: 0.02em;
    text-decoration: none;
    white-space: nowrap;
}

.btn:active { transform: scale(0.98); }

.btn svg { width: 15px; height: 15px; }

.btn-primary {
    background: var(--c-primary);
    color: #fff;
}
.btn-primary:hover { background: var(--c-navy); box-shadow: var(--shadow); }

.btn-secondary {
    background: var(--c-surface);
    color: var(--c-text-2);
    border: 1.5px solid var(--c-border-dark);
}
.btn-secondary:hover { background: var(--c-bg); }

.btn-danger  { background: var(--c-danger);  color: #fff; }
.btn-success { background: var(--c-success); color: #fff; }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }

/* ── Formularios ──────────────────────────────────────────── */
.form-grid   { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 5px; }

.form-label {
    font-size: 12.5px; font-weight: 600;
    color: var(--c-text-2);
    letter-spacing: 0.02em;
}

.form-label .required { color: var(--c-danger); margin-left: 2px; }

.form-control {
    padding: 9px 12px;
    border: 1.5px solid var(--c-border-dark);
    border-radius: var(--radius);
    font-family: 'Inter', sans-serif;
    font-size: 13.5px;
    color: var(--c-text-1);
    background: #FAFAFA;
    transition: border-color var(--transition), box-shadow var(--transition);
    width: 100%;
}

.form-control:focus {
    outline: none;
    border-color: var(--c-navy);
    box-shadow: 0 0 0 3px rgba(27,58,107,0.09);
    background: #fff;
}

.form-control::placeholder { color: var(--c-text-4); }

textarea.form-control { resize: vertical; min-height: 90px; line-height: 1.5; }

.form-hint { font-size: 11.5px; color: var(--c-text-3); }
.form-error { font-size: 12px; color: var(--c-danger); }

/* ── Barra de progreso ────────────────────────────────────── */
.progress {
    height: 6px;
    background: #E5E7EB;
    border-radius: 99px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--c-navy);
    border-radius: 99px;
    transition: width 0.4s ease;
}

/* ── Modales ──────────────────────────────────────────────── */
.modal-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.open { display: flex; }

.modal-box {
    background: var(--c-surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 640px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.97) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--c-border);
}

.modal-title { font-size: 15px; font-weight: 700; color: var(--c-text-1); }

.modal-close {
    background: none; border: none; cursor: pointer;
    color: var(--c-text-3); font-size: 20px; padding: 2px;
    transition: color var(--transition);
    line-height: 1;
}

.modal-close:hover { color: var(--c-danger); }

.modal-body   { padding: 24px; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--c-border);
    display: flex; justify-content: flex-end; gap: 10px;
}

/* ── PDF Upload ───────────────────────────────────────────── */
.pdf-upload-zone {
    border: 2px dashed var(--c-border-dark);
    border-radius: var(--radius-lg);
    padding: 40px 24px;
    text-align: center;
    transition: border-color var(--transition), background var(--transition);
    cursor: pointer;
    background: #FAFAFA;
}

.pdf-upload-zone:hover,
.pdf-upload-zone.dragover {
    border-color: var(--c-navy);
    background: var(--c-accent-lt);
}

.pdf-upload-icon { margin-bottom: 12px; }
.pdf-upload-icon svg { width: 40px; height: 40px; stroke: var(--c-text-3); }

.pdf-upload-text    { font-size: 14px; font-weight: 600; color: var(--c-text-2); }
.pdf-upload-hint    { font-size: 12px; color: var(--c-text-4); margin-top: 4px; }

.pdf-processing {
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    background: #F9FAFB;
    margin-top: 16px;
    display: none;
}

.pdf-processing.show { display: block; }

.ai-extract-label {
    display: inline-flex; align-items: center; gap: 6px;
    background: #EFF3FB;
    color: var(--c-navy);
    font-size: 11.5px; font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 12px;
    border: 1px solid #C7D7F0;
}

.ai-extract-label svg { width: 12px; height: 12px; }

/* Spinner */
.spinner {
    width: 18px; height: 18px;
    border: 2.5px solid var(--c-border);
    border-top-color: var(--c-navy);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: inline-block;
}

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

/* ── Toast / Notificaciones ───────────────────────────────── */
#toast-container {
    position: fixed; bottom: 24px; right: 24px;
    z-index: 9999;
    display: flex; flex-direction: column; gap: 10px;
}

.toast {
    min-width: 280px; max-width: 380px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-left: 4px solid var(--c-navy);
    border-radius: var(--radius-lg);
    padding: 14px 18px;
    box-shadow: var(--shadow-lg);
    display: flex; align-items: flex-start; gap: 12px;
    animation: toastIn 0.25s ease;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

.toast.success { border-left-color: var(--c-success); }
.toast.error   { border-left-color: var(--c-danger); }
.toast.warning { border-left-color: var(--c-warning); }

.toast-icon svg { width: 18px; height: 18px; }
.toast-title    { font-size: 13px; font-weight: 600; color: var(--c-text-1); }
.toast-msg      { font-size: 12px; color: var(--c-text-3); margin-top: 2px; }

/* ── Buscador ─────────────────────────────────────────────── */
.search-wrapper {
    position: relative;
    max-width: 320px;
}

.search-wrapper svg {
    position: absolute; left: 10px; top: 50%;
    transform: translateY(-50%);
    width: 15px; height: 15px;
    stroke: var(--c-text-4);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 8px 12px 8px 34px;
    border: 1.5px solid var(--c-border-dark);
    border-radius: var(--radius);
    font-size: 13px; font-family: 'Inter', sans-serif;
    background: #FAFAFA;
    color: var(--c-text-1);
    transition: border-color var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--c-navy);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(27,58,107,0.08);
}

/* ── Timeline (Actividades Previas) ───────────────────────── */
.timeline { position: relative; padding-left: 24px; }
.timeline::before {
    content: '';
    position: absolute; left: 7px; top: 6px; bottom: 0;
    width: 1.5px; background: var(--c-border);
}

.timeline-item {
    position: relative;
    padding-bottom: 24px;
}

.timeline-dot {
    position: absolute; left: -21px; top: 4px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--c-navy);
    border: 2px solid var(--c-surface);
    box-shadow: 0 0 0 2px var(--c-navy);
}

.timeline-dot.done   { background: var(--c-success); box-shadow: 0 0 0 2px var(--c-success); }
.timeline-dot.active { background: var(--c-warning);  box-shadow: 0 0 0 2px var(--c-warning); }

.timeline-title { font-size: 13.5px; font-weight: 600; color: var(--c-text-1); }
.timeline-meta  { font-size: 12px; color: var(--c-text-3); margin-top: 3px; }

/* ── Feed de actividad ────────────────────────────────────── */
.activity-list { display: flex; flex-direction: column; }

.activity-item {
    display: flex; align-items: flex-start; gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid #F3F4F6;
}

.activity-item:last-child { border-bottom: none; }

.activity-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--c-accent-lt);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

.activity-avatar svg { width: 16px; height: 16px; stroke: var(--c-accent); }

.activity-text  { font-size: 13px; color: var(--c-text-1); line-height: 1.45; }
.activity-time  { font-size: 11.5px; color: var(--c-text-4); margin-top: 3px; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .sidebar      { transform: translateX(-100%); transition: transform 0.25s; }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .grid-2, .grid-3, .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
    .kpi-grid     { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .page-body  { padding: 16px; }
    .kpi-grid   { grid-template-columns: 1fr; }
    .modal-box  { border-radius: var(--radius); }
}

.main-sidebar {
    position: fixed !important;
    left: 0 !important;
    top: 0 !important;
    width: 260px !important;
    height: 100vh !important;
    z-index: 1000 !important;
}

.main-content {
    margin-left: 260px !important;
    padding: 0 !important;
}
.main-topbar {
    position: sticky !important;
    top: 0 !important;
    z-index: 100 !important;
}