:root {
    --color-primary: #005883;
    --color-primary-dark: #004468;
    --color-primary-light: #1976a3;
    --color-secondary: #F0B429;
    --color-secondary-dark: #d49b14;
    --color-action: #F47920;
    --color-action-dark: #d96710;
    --color-white: #FFFFFF;
    --color-bg: #F8F9FA;
    --color-bg-2: #E9ECEF;
    --color-border: #DEE2E6;
    --color-text-muted: #6C757D;
    --color-text: #495057;
    --color-text-strong: #212529;
    --shadow-sm: 0 2px 6px rgba(0, 88, 131, 0.06);
    --shadow-md: 0 6px 18px rgba(0, 88, 131, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 88, 131, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 76px;
    --navbar-height: 64px;
    --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-bg);
    margin: 0;
    font-size: 0.92rem;
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4, h5, h6 { color: var(--color-text-strong); font-weight: 700; letter-spacing: -0.01em; }

.btn { border-radius: var(--radius-sm); font-weight: 600; letter-spacing: .01em; transition: all .2s ease; }
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); transform: translateY(-1px); }
.btn-secondary { background: var(--color-secondary); border-color: var(--color-secondary); color: var(--color-text-strong); }
.btn-secondary:hover { background: var(--color-secondary-dark); border-color: var(--color-secondary-dark); color: var(--color-text-strong); }
.btn-action { background: var(--color-action); border-color: var(--color-action); color: var(--color-white); }
.btn-action:hover { background: var(--color-action-dark); border-color: var(--color-action-dark); color: var(--color-white); transform: translateY(-1px); }
.btn-outline-primary { color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline-primary:hover { background: var(--color-primary); color: #fff; }

.btn-icon {
    width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    background: transparent; border: 0;
    border-radius: 50%;
    color: var(--color-text);
}
.btn-icon:hover { background: var(--color-bg-2); color: var(--color-primary); }

/* APP LAYOUT */
.app-layout { display: block; min-height: 100vh; }

.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 18px 14px;
    overflow-y: auto;
    z-index: 1000;
    transition: transform .25s ease;
    box-shadow: var(--shadow-md);
}
.sidebar-brand {
    display: flex; gap: 12px; align-items: center;
    padding: 8px 6px 18px; border-bottom: 1px solid rgba(255,255,255,.1);
    margin-bottom: 12px;
}
.brand-icon {
    width: 44px; height: 44px; border-radius: 12px;
    background: var(--color-secondary); color: var(--color-primary-dark);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0,0,0,.15);
}
.brand-text h6 { color: #fff; font-weight: 700; font-size: .92rem; line-height: 1.2; }
.brand-text small { color: rgba(255,255,255,.65); font-size: .72rem; }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
.nav-section-title {
    font-size: .68rem; text-transform: uppercase; letter-spacing: .08em;
    color: rgba(255,255,255,.5); padding: 14px 12px 6px; font-weight: 700;
}
.sidebar .nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px; border-radius: var(--radius-sm);
    color: rgba(255,255,255,.85); font-weight: 500; font-size: .88rem;
    transition: all .18s ease;
}
.sidebar .nav-item i { font-size: 1.05rem; opacity: .9; }
.sidebar .nav-item:hover { background: rgba(255,255,255,.08); color: #fff; transform: translateX(2px); }
.sidebar .nav-item.active { background: var(--color-secondary); color: var(--color-primary-dark); font-weight: 700; }

.main-wrapper {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex; flex-direction: column;
    transition: margin .25s ease;
}

.navbar-top {
    height: var(--navbar-height);
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    display: flex; align-items: center; gap: 14px;
    padding: 0 20px;
    position: sticky; top: 0; z-index: 900;
    box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.btn-toggle-sidebar { background: transparent; border: 0; font-size: 22px; color: var(--color-text); }

.navbar-search {
    flex: 1; max-width: 460px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 6px 12px;
    display: flex; align-items: center; gap: 10px;
}
.navbar-search input { border: 0; background: transparent; flex: 1; outline: none; font-size: .9rem; }
.navbar-search input:focus { box-shadow: none; }

.navbar-actions { display: flex; align-items: center; gap: 6px; margin-left: auto; }

.badge-notification {
    position: absolute; top: 4px; right: 4px;
    background: var(--color-action); color: #fff;
    font-size: .6rem; padding: 2px 6px; border-radius: 10px; font-weight: 700;
}

.user-menu-btn {
    display: flex; align-items: center; gap: 10px;
    background: transparent; border: 0; padding: 4px 8px;
}
.user-avatar {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--color-primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
}
.user-info { text-align: left; line-height: 1.15; }
.user-info span { font-size: .85rem; color: var(--color-text-strong); }
.user-info small { font-size: .72rem; color: var(--color-text-muted); }

.notification-dropdown { width: 360px; padding: 0; overflow: hidden; }
.notification-dropdown .dropdown-header { padding: 14px 16px; background: var(--color-bg); }
.notification-list { max-height: 360px; overflow-y: auto; }
.notification-item {
    padding: 12px 16px; border-bottom: 1px solid var(--color-bg-2);
    display: flex; gap: 10px; align-items: flex-start; cursor: pointer;
}
.notification-item:hover { background: var(--color-bg); }
.notification-item.unread { background: rgba(0,88,131,.04); }
.notification-icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

.content-area { padding: 24px; flex: 1; }
.app-footer { padding: 14px 24px; color: var(--color-text-muted); font-size: .8rem; border-top: 1px solid var(--color-border); background: #fff; }

.page-loader { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.6); z-index: 2000; }

/* HEADER PAGE */
.page-header {
    display: flex; justify-content: space-between; align-items: flex-end; gap: 16px;
    margin-bottom: 22px;
}
.page-header h1 { font-size: 1.5rem; margin: 0 0 4px; }
.page-header .subtitle { color: var(--color-text-muted); font-size: .85rem; }
.breadcrumb-wrapper { font-size: .78rem; color: var(--color-text-muted); margin-bottom: 4px; }
.breadcrumb-wrapper a { color: var(--color-primary); }

/* CARDS */
.card {
    border: 0; border-radius: var(--radius-md);
    background: #fff; box-shadow: var(--shadow-sm);
    transition: box-shadow .2s ease;
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header { background: transparent; border-bottom: 1px solid var(--color-bg-2); padding: 16px 20px; font-weight: 700; }
.card-body { padding: 20px; }

/* KPI Cards */
.kpi-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px; margin-bottom: 24px;
}
.kpi-card {
    background: #fff; border-radius: var(--radius-md); padding: 18px 20px;
    box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
    transition: transform .2s ease, box-shadow .2s ease;
    border-left: 4px solid var(--color-primary);
}
.kpi-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.kpi-card .label { color: var(--color-text-muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.kpi-card .value { font-size: 1.85rem; font-weight: 800; color: var(--color-text-strong); margin-top: 4px; }
.kpi-card .trend { font-size: .78rem; color: var(--color-text-muted); margin-top: 4px; }
.kpi-card .icon-bubble {
    position: absolute; top: 18px; right: 18px;
    width: 44px; height: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,88,131,.1); color: var(--color-primary); font-size: 1.2rem;
}
.kpi-card.action { border-left-color: var(--color-action); }
.kpi-card.action .icon-bubble { background: rgba(244,121,32,.1); color: var(--color-action); }
.kpi-card.warning { border-left-color: var(--color-secondary); }
.kpi-card.warning .icon-bubble { background: rgba(240,180,41,.15); color: var(--color-secondary-dark); }
.kpi-card.success { border-left-color: #28a745; }
.kpi-card.success .icon-bubble { background: rgba(40,167,69,.1); color: #28a745; }
.kpi-card.danger { border-left-color: #dc3545; }
.kpi-card.danger .icon-bubble { background: rgba(220,53,69,.1); color: #dc3545; }

/* BADGES Y SEMÁFORO */
.estado-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 10px; border-radius: 20px;
    font-size: .75rem; font-weight: 600;
    background: rgba(0,88,131,.1); color: var(--color-primary);
}
.semaforo-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.semaforo-label { display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 600; }

.prioridad-badge { padding: 4px 10px; border-radius: 6px; font-size: .72rem; font-weight: 700; }
.prioridad-Alta { background: rgba(220,53,69,.15); color: #dc3545; }
.prioridad-Media { background: rgba(240,180,41,.2); color: #b3870a; }
.prioridad-Baja { background: rgba(40,167,69,.15); color: #28a745; }

/* DATATABLES */
table.dataTable { border-collapse: separate !important; border-spacing: 0; }
table.dataTable thead th {
    background: var(--color-bg);
    color: var(--color-text-strong);
    text-transform: uppercase; font-size: .72rem; letter-spacing: .04em; font-weight: 700;
    border-bottom: 1px solid var(--color-border) !important;
    padding: 12px 14px;
}
table.dataTable tbody tr { transition: background .15s ease; }
table.dataTable tbody tr:hover { background: var(--color-bg) !important; }
table.dataTable tbody td { padding: 12px 14px; border-bottom: 1px solid var(--color-bg-2); vertical-align: middle; font-size: .85rem; }
.dataTables_wrapper .dataTables_filter input { border-radius: var(--radius-sm); border: 1px solid var(--color-border); padding: 6px 12px; }
.dataTables_wrapper .dataTables_length select { border-radius: var(--radius-sm); border: 1px solid var(--color-border); padding: 4px 8px; }
.page-link { color: var(--color-primary); border-radius: var(--radius-sm) !important; margin: 0 2px; border: 0; }
.page-item.active .page-link { background: var(--color-primary); color: #fff; }

/* FORMS */
.form-control, .form-select {
    border-radius: var(--radius-sm); border: 1px solid var(--color-border);
    padding: 8px 12px; font-size: .88rem; transition: border-color .2s, box-shadow .2s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0,88,131,.12);
}
label.form-label { font-weight: 600; font-size: .82rem; color: var(--color-text-strong); margin-bottom: 6px; }

/* TIMELINE */
.timeline { position: relative; padding: 6px 0 6px 28px; margin: 0; list-style: none; }
.timeline::before {
    content: ''; position: absolute; left: 9px; top: 0; bottom: 0;
    width: 2px; background: var(--color-bg-2);
}
.timeline-item { position: relative; margin-bottom: 22px; }
.timeline-item::before {
    content: ''; position: absolute; left: -23px; top: 6px;
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--color-primary); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--color-primary);
}
.timeline-meta { font-size: .72rem; color: var(--color-text-muted); margin-bottom: 4px; }
.timeline-title { font-weight: 700; color: var(--color-text-strong); font-size: .9rem; }
.timeline-body { font-size: .85rem; color: var(--color-text); margin-top: 4px; }

/* AUTH */
.auth-layout { background: var(--color-bg); }
.auth-wrapper {
    min-height: 100vh; display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}
.auth-aside {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff; display: flex; align-items: center; justify-content: center;
    padding: 40px;
}
.auth-aside-inner { max-width: 460px; }
.auth-aside .brand-icon { width: 64px; height: 64px; font-size: 32px; }
.feature-list { list-style: none; padding: 0; margin-top: 24px; }
.feature-list li {
    color: rgba(255,255,255,.9); padding: 8px 0; display: flex; align-items: center; gap: 10px;
}
.feature-list li i { color: var(--color-secondary); font-size: 1.1rem; }
.auth-main { display: flex; align-items: center; justify-content: center; padding: 40px; }
.auth-card {
    background: #fff; border-radius: var(--radius-lg);
    padding: 36px 32px; max-width: 440px; width: 100%;
    box-shadow: var(--shadow-md);
}
.auth-card h3 { margin: 0 0 6px; }
.auth-card .subtitle { color: var(--color-text-muted); margin-bottom: 22px; }

/* RESPONSIVE */
@media (max-width: 991.98px) {
    .sidebar { transform: translateX(-110%); }
    .sidebar.show { transform: translateX(0); }
    .main-wrapper { margin-left: 0; }
    .auth-wrapper { grid-template-columns: 1fr; }
    .auth-aside { display: none; }
}

/* UTILS */
.text-primary-corp { color: var(--color-primary) !important; }
.bg-primary-corp { background: var(--color-primary) !important; color: #fff; }
.bg-secondary-corp { background: var(--color-secondary) !important; }
.bg-action-corp { background: var(--color-action) !important; color: #fff; }
.divider { height: 1px; background: var(--color-bg-2); margin: 20px 0; }

.tag-chip {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 9px; border-radius: 12px; font-size: .72rem; font-weight: 600;
    color: #fff;
}

.btn-fav { background: transparent; border: 0; color: var(--color-text-muted); font-size: 1.05rem; }
.btn-fav.active { color: var(--color-secondary); }

/* SECTION TITLE */
.section-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.section-title h5 { margin: 0; font-size: 1rem; }

/* ANIMATIONS */
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.card, .kpi-card, .timeline-item { animation: fadeUp .35s ease both; }