/* =========================================================
   Electrosofting — Diseño empresarial premium
   ========================================================= */

:root {
    --es-primary: #1d4ed8;
    --es-primary-rgb: 29, 78, 216;
    --es-primary-dark: #1e40af;
    --es-primary-50:  #eff6ff;
    --es-primary-100: #dbeafe;
    --es-primary-200: #bfdbfe;
    --es-accent: #14b8a6;
    --es-success: #16a34a;
    --es-warning: #f59e0b;
    --es-danger:  #dc2626;
    --es-info:    #0ea5e9;

    --es-sidebar-bg:   #0f172a;
    --es-sidebar-fg:   #94a3b8;
    --es-sidebar-fg-active: #ffffff;
    --es-sidebar-hover: rgba(255, 255, 255, 0.08);
    --es-sidebar-section: #475569;
    --es-sidebar-width: 260px;

    --es-bg:        #f1f5f9;
    --es-card:      #ffffff;
    --es-card-soft: #f8fafc;
    --es-text:      #0f172a;
    --es-text-soft: #334155;
    --es-muted:     #64748b;
    --es-border:    #e2e8f0;

    --es-radius:    14px;
    --es-radius-sm: 10px;
    --es-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --es-shadow:    0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --es-shadow-md: 0 4px 8px -2px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --es-shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.10), 0 4px 8px -2px rgba(15, 23, 42, 0.05);

    --es-trans: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --es-bg:        #020617;
    --es-card:      #0f172a;
    --es-card-soft: #1e293b;
    --es-text:      #e2e8f0;
    --es-text-soft: #cbd5e1;
    --es-muted:     #64748b;
    --es-border:    #1e293b;
    --es-sidebar-bg: #020617;
}

/* ----------- Base ----------- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    color: var(--es-text);
    background: var(--es-bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Bootstrap primary override */
.btn-primary, .bg-primary, .text-bg-primary {
    background-color: var(--es-primary) !important;
    border-color: var(--es-primary) !important;
}
.btn-primary:hover, .btn-primary:focus { background-color: var(--es-primary-dark) !important; border-color: var(--es-primary-dark) !important; }
.btn-outline-primary { color: var(--es-primary); border-color: var(--es-primary); }
.btn-outline-primary:hover { background-color: var(--es-primary); border-color: var(--es-primary); }
.text-primary, a.text-primary { color: var(--es-primary) !important; }
.bg-primary-subtle { background-color: var(--es-primary-50) !important; }
.text-bg-primary { color: #fff !important; }

.card, .modal-content { border: 1px solid var(--es-border); border-radius: var(--es-radius); background: var(--es-card); }
.shadow-sm { box-shadow: var(--es-shadow-sm) !important; }
.shadow { box-shadow: var(--es-shadow-md) !important; }
.shadow-lg { box-shadow: var(--es-shadow-lg) !important; }

.btn { border-radius: var(--es-radius-sm); font-weight: 500; transition: all var(--es-trans); }
.btn-sm { border-radius: 8px; }
.btn-lg { border-radius: 12px; padding: 12px 24px; }
.form-control, .form-select { border-radius: var(--es-radius-sm); border-color: var(--es-border); transition: all var(--es-trans); }
.form-control:focus, .form-select:focus { border-color: var(--es-primary); box-shadow: 0 0 0 3px var(--es-primary-100); }

/* ----------- Public ----------- */
.public-body { background: var(--es-bg); }
.bg-gradient-primary { background: linear-gradient(135deg, var(--es-primary) 0%, #6d28d9 100%); }
.hero h1 { letter-spacing: -0.5px; }
.service-card { transition: transform var(--es-trans), box-shadow var(--es-trans); cursor: pointer; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--es-shadow-lg) !important; }
.icon-circle {
    width: 56px; height: 56px; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center; font-size: 1.5rem;
}

/* ----------- Auth ----------- */
.auth-body {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3a8a 0%, var(--es-primary) 50%, #0e7490 100%);
}
.auth-wrapper { padding: 40px 0; }

/* ----------- Admin layout ----------- */
.admin-body {
    padding-left: var(--es-sidebar-width);
    padding-top: 68px;
    min-height: 100vh;
    transition: padding-left var(--es-trans);
}

.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--es-sidebar-width);
    background: var(--es-sidebar-bg); color: var(--es-sidebar-fg);
    z-index: 1030;
    overflow-y: auto;
    transition: transform var(--es-trans);
    box-shadow: 4px 0 12px rgba(0,0,0,0.04);
}
.sidebar-brand {
    display: flex; align-items: center; gap: 10px;
    padding: 20px 22px; font-weight: 700; font-size: 1.05rem;
    color: #fff; border-bottom: 1px solid rgba(255,255,255,0.06);
    letter-spacing: -0.2px;
}
.sidebar-brand i { font-size: 1.5rem; color: var(--es-primary); }
.sidebar-nav { display: flex; flex-direction: column; padding: 8px 12px 20px; }
.sidebar-section {
    font-size: 0.68rem; text-transform: uppercase;
    color: var(--es-sidebar-section); padding: 18px 10px 6px;
    letter-spacing: 1px; font-weight: 600;
}
.sidebar-nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px; color: var(--es-sidebar-fg);
    text-decoration: none; font-size: 0.92rem; font-weight: 500;
    border-radius: var(--es-radius-sm);
    margin-bottom: 2px;
    transition: all var(--es-trans);
    position: relative;
}
.sidebar-nav a:hover { background: var(--es-sidebar-hover); color: #fff; }
.sidebar-nav a.active {
    background: linear-gradient(135deg, var(--es-primary), var(--es-primary-dark));
    color: #fff; box-shadow: 0 4px 12px rgba(var(--es-primary-rgb), 0.4);
}
.sidebar-nav a i { width: 18px; text-align: center; font-size: 1rem; opacity: 0.85; }
.sidebar-nav a.active i { opacity: 1; }
.sidebar-badge {
    margin-left: auto; font-size: 0.68rem; font-weight: 700;
    background: var(--es-danger); color: #fff;
    padding: 1px 8px; border-radius: 100px;
}

/* ----------- Topbar ----------- */
.topbar {
    position: fixed; top: 0; left: var(--es-sidebar-width); right: 0;
    height: 68px;
    background: var(--es-card);
    border-bottom: 1px solid var(--es-border);
    display: flex; align-items: center; gap: 16px;
    padding: 0 24px;
    z-index: 1020;
    backdrop-filter: blur(8px);
}
.btn-icon {
    background: transparent; border: 0; padding: 8px;
    width: 38px; height: 38px;
    border-radius: 10px; color: var(--es-text-soft);
    display: inline-flex; align-items: center; justify-content: center;
    transition: all var(--es-trans);
    position: relative;
}
.btn-icon:hover { background: var(--es-bg); color: var(--es-primary); }
.btn-icon i { font-size: 1.1rem; }
.topbar-dot {
    position: absolute; top: 8px; right: 8px;
    width: 8px; height: 8px; border-radius: 50%;
    border: 2px solid var(--es-card);
}

.topbar-search { flex: 1; max-width: 540px; position: relative; }
.topbar-search i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--es-muted); }
.topbar-search input {
    padding-left: 40px; background: var(--es-bg); border: 1px solid transparent;
    height: 42px;
}
.topbar-search input:focus { background: var(--es-card); border-color: var(--es-primary); }
.topbar-actions { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.topbar-user {
    display: flex; align-items: center; gap: 10px;
    text-decoration: none; padding: 6px 10px 6px 6px;
    border-radius: 30px; color: var(--es-text); cursor: pointer;
    transition: background var(--es-trans);
}
.topbar-user:hover { background: var(--es-bg); }
.avatar {
    width: 38px; height: 38px; border-radius: 50%;
    background: linear-gradient(135deg, var(--es-primary), #6d28d9);
    color: #fff; display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700; flex-shrink: 0;
}

.notif-dropdown { width: 360px; max-height: 460px; overflow-y: auto; border-radius: var(--es-radius); }

.admin-main { padding: 28px; }

/* ----------- Cards / Stats ----------- */
.stat-card { transition: all var(--es-trans); border: 1px solid var(--es-border); }
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--es-shadow-md) !important; }
.stat-card .stat-icon {
    width: 52px; height: 52px; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
}
.stat-card .stat-label {
    color: var(--es-muted); font-size: 0.75rem;
    text-transform: uppercase; letter-spacing: 0.6px; font-weight: 600;
}
.stat-card h2 { font-weight: 700; letter-spacing: -1px; }
.stat-card .stat-delta {
    font-size: 0.78rem; font-weight: 600;
    padding: 2px 8px; border-radius: 6px;
    display: inline-flex; align-items: center; gap: 2px;
}
.stat-card .stat-delta.up   { background: #dcfce7; color: #16a34a; }
.stat-card .stat-delta.down { background: #fee2e2; color: #dc2626; }

.card-header { background: transparent; border-bottom: 1px solid var(--es-border); padding: 14px 18px; }
.card-header h6, .card-header .fw-bold { font-weight: 600; }

/* ----------- Tables ----------- */
.table { color: var(--es-text); margin-bottom: 0; }
.table > :not(caption) > * > * { padding: 14px 16px; }
.table thead th {
    background: var(--es-card-soft);
    color: var(--es-muted);
    text-transform: uppercase;
    font-size: 0.72rem; letter-spacing: 0.6px;
    border-bottom: 1px solid var(--es-border);
}
.table-hover tbody tr:hover { background: var(--es-card-soft); cursor: pointer; }

/* ----------- Badges ----------- */
.badge { font-weight: 600; padding: 4px 10px; font-size: 0.74rem; border-radius: 8px; }
.badge.text-bg-info      { background: #dbeafe !important; color: #1d4ed8 !important; }
.badge.text-bg-success   { background: #dcfce7 !important; color: #16a34a !important; }
.badge.text-bg-warning   { background: #fef3c7 !important; color: #b45309 !important; }
.badge.text-bg-danger    { background: #fee2e2 !important; color: #dc2626 !important; }
.badge.text-bg-secondary { background: #f1f5f9 !important; color: #475569 !important; }
.badge.text-bg-primary   { background: #dbeafe !important; color: #1d4ed8 !important; }

/* ----------- Alerts ----------- */
.alert {
    border-radius: var(--es-radius); border-width: 0;
    border-left: 3px solid; padding: 14px 18px;
}
.alert-success { background: #f0fdf4; border-left-color: #16a34a; color: #166534; }
.alert-danger  { background: #fef2f2; border-left-color: #dc2626; color: #991b1b; }
.alert-warning { background: #fffbeb; border-left-color: #f59e0b; color: #92400e; }
.alert-info    { background: var(--es-primary-50); border-left-color: var(--es-primary); color: var(--es-primary-dark); }

/* ----------- Timeline ----------- */
.timeline { padding: 0; }
.timeline .list-group-item {
    position: relative; padding-left: 36px;
    border-color: var(--es-border);
}
.timeline .list-group-item::before {
    content: ''; position: absolute; left: 16px; top: 22px;
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--es-primary); box-shadow: 0 0 0 4px var(--es-primary-100);
}
.timeline .list-group-item::after {
    content: ''; position: absolute; left: 20px; top: 32px; bottom: -10px;
    width: 2px; background: var(--es-border);
}
.timeline .list-group-item:last-child::after { display: none; }

/* ----------- File viewer modal ----------- */
.file-viewer-modal .modal-content {
    height: 90vh; max-height: 90vh;
    overflow: hidden; border-radius: var(--es-radius);
}
.file-viewer-modal .modal-header {
    padding: 12px 16px; border-bottom: 1px solid var(--es-border);
    background: var(--es-card-soft); gap: 12px;
}
.file-viewer-modal .modal-body { background: var(--es-bg); overflow: hidden; }
.fv-icon {
    width: 44px; height: 44px; border-radius: 10px;
    background: var(--es-primary-50); color: var(--es-primary);
    display: inline-flex; align-items: center; justify-content: center; font-size: 1.4rem;
    flex-shrink: 0;
}
.fv-icon-pdf   { background: #fee2e2; color: #dc2626; }
.fv-icon-image { background: #dcfce7; color: #16a34a; }
.fv-icon-dwg   { background: #fef3c7; color: #b45309; }
.fv-icon-doc   { background: #dbeafe; color: #1d4ed8; }
.fv-icon-sheet { background: #cffafe; color: #0e7490; }

.fv-body { display: flex; height: 100%; }
.fv-sidebar {
    width: 320px; flex-shrink: 0;
    background: var(--es-card); border-right: 1px solid var(--es-border);
    overflow-y: auto; display: flex; flex-direction: column;
}
.fv-sidebar .nav-tabs { border-bottom: 1px solid var(--es-border); padding: 0; }
.fv-sidebar .nav-tabs .nav-link { border: 0; border-bottom: 2px solid transparent; color: var(--es-muted); font-weight: 500; padding: 12px; }
.fv-sidebar .nav-tabs .nav-link.active { border-bottom-color: var(--es-primary); color: var(--es-primary); background: transparent; }

.fv-details { display: grid; grid-template-columns: 110px 1fr; gap: 8px 12px; margin-bottom: 0; }
.fv-details dt { color: var(--es-muted); font-weight: 500; font-size: 0.85rem; }
.fv-details dd { margin: 0; font-size: 0.88rem; word-break: break-word; }

.fv-preview {
    flex: 1; overflow: auto;
    display: flex; align-items: center; justify-content: center;
    background: #1e293b;
    position: relative;
}
.fv-frame { width: 100%; height: 100%; min-height: 600px; border: 0; background: #fff; }
.fv-image-wrap { padding: 20px; display: flex; align-items: center; justify-content: center; min-height: 100%; min-width: 100%; }
.fv-image-wrap img { max-width: 100%; max-height: 80vh; transition: transform var(--es-trans); }
.fv-loading, .fv-no-preview { width: 100%; padding: 60px; text-align: center; color: #94a3b8; }
.fv-no-preview i { font-size: 4rem; }

.fv-versions { display: flex; flex-direction: column; gap: 8px; }
.fv-version-item {
    padding: 10px 12px; border: 1px solid var(--es-border);
    border-radius: 8px; cursor: pointer; transition: all var(--es-trans);
}
.fv-version-item:hover { border-color: var(--es-primary); background: var(--es-primary-50); }
.fv-version-item.is-current { border-color: var(--es-success); background: #f0fdf4; }

/* ----------- Document grid (cards) ----------- */
.doc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.doc-card {
    background: var(--es-card); border: 1px solid var(--es-border);
    border-radius: var(--es-radius); padding: 16px;
    cursor: pointer; transition: all var(--es-trans);
    position: relative;
}
.doc-card:hover { border-color: var(--es-primary); box-shadow: var(--es-shadow-md); transform: translateY(-2px); }
.doc-card .doc-icon { font-size: 2.5rem; margin-bottom: 8px; }
.doc-card .doc-name { font-size: 0.88rem; font-weight: 600; line-height: 1.3; margin-bottom: 4px; word-break: break-word; }
.doc-card .doc-meta { font-size: 0.74rem; color: var(--es-muted); }
.doc-card .doc-version { position: absolute; top: 10px; right: 10px; font-size: 0.7rem; }

/* ----------- Drag & drop zone ----------- */
.dropzone {
    border: 2px dashed var(--es-border);
    border-radius: var(--es-radius);
    padding: 32px; text-align: center;
    background: var(--es-card-soft);
    transition: all var(--es-trans);
    cursor: pointer;
}
.dropzone:hover, .dropzone.drag-over {
    border-color: var(--es-primary); background: var(--es-primary-50);
}
.dropzone i { font-size: 2.5rem; color: var(--es-primary); }
.dropzone .small { color: var(--es-muted); }

/* ----------- Permission matrix (roles) ----------- */
.perm-matrix { display: grid; gap: 16px; }
.perm-module {
    border: 1px solid var(--es-border); border-radius: var(--es-radius);
    padding: 16px; background: var(--es-card);
}
.perm-module h6 { font-weight: 600; margin-bottom: 12px; color: var(--es-primary); }
.perm-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 8px; }
.perm-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 12px; border-radius: 8px;
    background: var(--es-card-soft);
}
.perm-item input { margin: 0; }

/* ----------- Loader overlay ----------- */
.loader-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.4); backdrop-filter: blur(2px);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000;
}

/* ----------- Toasts ----------- */
.toast-container { position: fixed; top: 80px; right: 24px; z-index: 1100; }
.toast { border-radius: var(--es-radius); border: 0; box-shadow: var(--es-shadow-lg); min-width: 280px; }

/* ----------- Responsive ----------- */
@media (max-width: 991.98px) {
    .admin-body { padding-left: 0; }
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .topbar { left: 0; padding: 0 16px; }
    .admin-main { padding: 16px; }
    .topbar-search { display: none; }
    .fv-sidebar { width: 100%; }
    .fv-body { flex-direction: column; }
    .file-viewer-modal .modal-content { height: 100vh; max-height: 100vh; border-radius: 0; }
}

@media (max-width: 575.98px) {
    .doc-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ----------- Dark theme tweaks ----------- */
[data-theme="dark"] body { background: var(--es-bg); color: var(--es-text); }
[data-theme="dark"] .card,
[data-theme="dark"] .modal-content,
[data-theme="dark"] .topbar,
[data-theme="dark"] .file-viewer-modal .modal-header,
[data-theme="dark"] .dropdown-menu { background: var(--es-card) !important; color: var(--es-text); border-color: var(--es-border); }
[data-theme="dark"] .table thead th { background: var(--es-card-soft); }
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select { background: var(--es-card-soft); color: var(--es-text); border-color: var(--es-border); }
[data-theme="dark"] .topbar-search input { background: var(--es-card-soft); }
[data-theme="dark"] .alert { color: var(--es-text); }
[data-theme="dark"] .badge.text-bg-secondary { background: var(--es-card-soft) !important; color: var(--es-text-soft) !important; }
[data-theme="dark"] .bg-light, [data-theme="dark"] .bg-white { background: var(--es-card) !important; color: var(--es-text); }
[data-theme="dark"] .dropdown-item { color: var(--es-text); }
[data-theme="dark"] .dropdown-item:hover { background: var(--es-card-soft); color: var(--es-primary); }
[data-theme="dark"] .breadcrumb-item.active, [data-theme="dark"] .text-muted { color: var(--es-muted) !important; }
[data-theme="dark"] .perm-item, [data-theme="dark"] .fv-sidebar { background: var(--es-card-soft); }
[data-theme="dark"] .stat-card .stat-delta.up { background: rgba(22,163,74,0.2); }
[data-theme="dark"] .stat-card .stat-delta.down { background: rgba(220,38,38,0.2); }
[data-theme="dark"] .dropzone { background: var(--es-card-soft); border-color: var(--es-border); }
[data-theme="dark"] .topbar-user:hover { background: var(--es-card-soft); }