:root {
    --navy:      #1F3764;
    --navy-light:#2a4a8a;
    --amber:     #C47F00;
    --surface:   #F8F7F4;
    --card-bg:   #FFFFFF;
    --border:    rgba(0,0,0,0.09);
    --text-main: #1a1a1a;
    --text-muted:#6b7280;
    --text-light:#9ca3af;
    --radius:    10px;
    --shadow:    0 1px 3px rgba(0,0,0,0.07);
    --trans:     .18s ease;
    --sidebar-w: 240px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'DM Sans', sans-serif; background: var(--surface); color: var(--text-main); display: flex; min-height: 100vh; }

/* ── Sidebar ── */
.sidebar {
    width: var(--sidebar-w); background: var(--navy); color: #fff;
    display: flex; flex-direction: column; position: fixed;
    top: 0; left: 0; height: 100vh; z-index: 100;
    transition: width var(--trans);
}
.sidebar.collapsed { width: 60px; }
.sidebar-brand {
    padding: 20px 16px; border-bottom: 1px solid rgba(255,255,255,.1);
    display: flex; align-items: center; gap: 10px;
}
.sidebar-brand-icon {
    width: 32px; height: 32px; background: var(--amber);
    border-radius: 8px; display: flex; align-items: center;
    justify-content: center; flex-shrink: 0;
}
.sidebar-brand-icon i { color: var(--navy); font-size: 16px; }
.sidebar-brand-text { font-family: 'Space Mono', monospace; font-size: 13px; font-weight: 700; white-space: nowrap; overflow: hidden; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.sidebar-link {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 16px; color: rgba(255,255,255,.7);
    text-decoration: none; font-size: 14px;
    transition: background var(--trans), color var(--trans);
    white-space: nowrap; overflow: hidden;
}
.sidebar-link:hover { background: rgba(255,255,255,.08); color: #fff; }
.sidebar-link.active { background: rgba(255,255,255,.13); color: #fff; border-left: 3px solid var(--amber); }
.sidebar-link i { font-size: 18px; flex-shrink: 0; }
.sidebar-footer {
    padding: 14px 16px; border-top: 1px solid rgba(255,255,255,.1);
    font-size: 12px; color: rgba(255,255,255,.5);
}
.sidebar-user { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.sidebar-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--amber); color: var(--navy);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 13px; flex-shrink: 0; overflow: hidden;
}
.sidebar-avatar img { width: 100%; height: 100%; object-fit: cover; }
.sidebar-user-info { overflow: hidden; }
.sidebar-user-name { font-size: 13px; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 11px; color: rgba(255,255,255,.45); }
.btn-logout {
    display: flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,.07); border: none; color: rgba(255,255,255,.7);
    padding: 7px 10px; border-radius: 7px; font-size: 13px;
    cursor: pointer; width: 100%; transition: background var(--trans);
}
.btn-logout:hover { background: rgba(255,0,0,.2); color: #fff; }

/* ── Main content ── */
.main-content {
    margin-left: var(--sidebar-w); flex: 1;
    transition: margin-left var(--trans);
    display: flex; flex-direction: column; min-height: 100vh;
}
.main-content.expanded { margin-left: 60px; }

/* ── Topbar ── */
.topbar {
    background: var(--card-bg); border-bottom: 1px solid var(--border);
    padding: 12px 28px; display: flex; align-items: center;
    justify-content: space-between; position: sticky; top: 0; z-index: 50;
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.btn-toggle-sidebar {
    background: none; border: none; cursor: pointer;
    color: var(--text-muted); font-size: 20px; padding: 4px;
}
.breadcrumb { font-size: 13px; color: var(--text-muted); }
.breadcrumb span { color: var(--text-main); font-weight: 500; }
.topbar-right { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-muted); }
#clock { font-family: 'Space Mono', monospace; font-size: 12px; }

/* ── Page body ── */
.page-body { padding: 28px; flex: 1; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.page-title { font-size: 22px; font-weight: 600; color: var(--text-main); }
.page-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 3px; }

/* ── Cards ── */
.card-panel { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-panel-header { padding: 14px 20px; border-bottom: 1px solid var(--border); font-size: 14px; font-weight: 600; color: var(--navy); display: flex; align-items: center; gap: 8px; }
.card-panel-body { padding: 20px; }

/* ── Stats cards ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 16px; }
.stat-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.stat-icon.navy { background: rgba(31,55,100,.1); color: var(--navy); }
.stat-icon.amber { background: rgba(196,127,0,.12); color: var(--amber); }
.stat-icon.green { background: rgba(22,163,74,.1); color: #16a34a; }
.stat-icon.red   { background: rgba(220,38,38,.1);  color: #dc2626; }
.stat-value { font-size: 26px; font-weight: 700; font-family: 'Space Mono', monospace; color: var(--text-main); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ── Search bar ── */
.search-bar { position: relative; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 15px; }
.search-input { width: 100%; padding: 9px 12px 9px 36px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card-bg); font-size: 14px; color: var(--text-main); outline: none; transition: border-color var(--trans); }
.search-input:focus { border-color: var(--navy); }

/* ── Table ── */
.table-container { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.app-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.app-table thead th { background: var(--navy); color: rgba(255,255,255,.9); font-family: 'Space Mono', monospace; font-size: 11px; letter-spacing: .4px; padding: 10px 14px; text-align: left; }
.app-table tbody tr { border-bottom: 1px solid var(--border); transition: background var(--trans); }
.app-table tbody tr:hover { background: var(--surface); }
.app-table tbody td { padding: 10px 14px; vertical-align: middle; }
.badge-id { background: rgba(31,55,100,.1); color: var(--navy); font-family: 'Space Mono', monospace; font-size: 11px; padding: 2px 7px; border-radius: 5px; }
.badge-estado { font-size: 11px; padding: 3px 9px; border-radius: 20px; font-weight: 500; }
.badge-activo   { background: #dcfce7; color: #15803d; }
.badge-inactivo { background: #fee2e2; color: #b91c1c; }
.pagination-bar { padding: 12px 16px; display: flex; gap: 6px; flex-wrap: wrap; border-top: 1px solid var(--border); }
.pagination_link { border: 1px solid var(--border); background: var(--card-bg); padding: 5px 11px; border-radius: 6px; font-size: 13px; cursor: pointer; transition: all var(--trans); }
.pagination_link:hover, .pagination_link.active { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ── Buttons ── */
.btn-primary-app { background: var(--navy); color: #fff; border: none; padding: 9px 18px; border-radius: var(--radius); font-size: 14px; font-weight: 500; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; transition: background var(--trans); }
.btn-primary-app:hover { background: var(--navy-light); }
.btn-action { background: none; border: 1px solid var(--border); padding: 5px 9px; border-radius: 6px; cursor: pointer; font-size: 13px; transition: all var(--trans); }
.btn-action:hover { background: var(--surface); }
.btn-update { color: var(--navy); }
.btn-delete { color: #dc2626; }
.btn-delete:hover { background: #fee2e2; border-color: #fca5a5; }

/* ── Modal ── */
.app-modal { border-radius: var(--radius); }
.app-modal .modal-header { background: var(--navy); color: #fff; border-radius: var(--radius) var(--radius) 0 0; }
.app-modal .modal-title { font-size: 15px; font-weight: 600; }
.btn-primary-modal { background: var(--navy); color: #fff; border: none; }
.btn-primary-modal:hover { background: var(--navy-light); color: #fff; }
.app-input { border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; font-size: 14px; transition: border-color var(--trans); }
.app-input:focus { border-color: var(--navy); outline: none; box-shadow: 0 0 0 3px rgba(31,55,100,.1); }
.form-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .4px; color: var(--text-muted); margin-bottom: 4px; display: block; }

/* ── Loading / Empty states ── */
.loading-state { padding: 40px; text-align: center; color: var(--text-muted); }
.empty-state { padding: 40px; text-align: center; color: var(--text-muted); }
.empty-state i { font-size: 36px; display: block; margin-bottom: 10px; opacity: .4; }

/* ── Toast ── */
.app-toast { position: fixed; bottom: 24px; right: 24px; padding: 12px 20px; border-radius: var(--radius); font-size: 14px; color: #fff; z-index: 9999; max-width: 340px; box-shadow: 0 4px 12px rgba(0,0,0,.15); }
.app-toast--success { background: #16a34a; }
.app-toast--danger  { background: #dc2626; }
.app-toast--warning { background: #d97706; }
.app-toast--info    { background: var(--navy); }

/* ── Avatar upload preview ── */
.avatar-preview { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); }

/* ── Login page ── */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--surface); }
.login-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; padding: 40px; width: 100%; max-width: 400px; box-shadow: var(--shadow); }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo-icon { width: 52px; height: 52px; background: var(--navy); border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 10px; }
.login-logo-icon i { color: var(--amber); font-size: 24px; }
.login-title { font-size: 20px; font-weight: 600; text-align: center; margin-bottom: 24px; }

/* ── Permission matrix ── */
.perm-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.perm-table th, .perm-table td { padding: 8px 12px; border: 1px solid var(--border); text-align: center; }
.perm-table thead th { background: var(--navy); color: #fff; font-size: 11px; }
.perm-table td:first-child { text-align: left; font-weight: 500; }
.perm-check { cursor: pointer; width: 16px; height: 16px; accent-color: var(--navy); }