/* BRS Frontend - Deltek-Inspired Design System */
:root {
    --primary-navy: #04325B;
    --medium-blue: #0169AA;
    --bright-cyan: #13B5EA;
    --light-cyan: #A4E3ED;
    --light-gray-bg: #F7F7F7;
    --card-bg: #fff;
    --success: #52c41a;
    --warning: #faad14;
    --error: #ff4d4f;
    --text-primary: #1a1a2e;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border-color: #e5e7eb;
    --card-radius: 12px;
    --card-shadow: 0 2px 12px rgba(4,50,91,0.07);
    --sidebar-width: 220px;
    --header-height: 52px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    font-size: 13px; line-height: 1.5; color: var(--text-primary);
    background: var(--light-gray-bg); display: flex;
}

/* Sidebar */
#sidebar {
    width: var(--sidebar-width); min-height: 100vh; background: var(--primary-navy);
    color: #fff; position: fixed; top: 0; left: 0; z-index: 100;
    display: flex; flex-direction: column; overflow-y: auto;
}
.sidebar-header { padding: 18px 20px 12px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-logo { font-size: 22px; font-weight: 700; letter-spacing: 1px; color: var(--bright-cyan); }
.sidebar-subtitle { font-size: 10px; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 1.5px; margin-top: 2px; }
.sidebar-nav { padding: 8px 0; flex: 1; }
.nav-item {
    display: flex; align-items: center; gap: 10px; padding: 9px 20px;
    color: rgba(255,255,255,0.65); text-decoration: none; font-size: 13px;
    transition: all 0.15s; border-left: 3px solid transparent;
}
.nav-item:hover { color: #fff; background: rgba(255,255,255,0.06); }
.nav-item.active { color: var(--bright-cyan); background: rgba(19,181,234,0.08); border-left-color: var(--bright-cyan); font-weight: 600; }
.nav-item .icon { flex-shrink: 0; }
.nav-separator { height: 1px; margin: 6px 16px; background: rgba(255,255,255,0.1); }

/* Main Layout */
.main-wrapper { margin-left: var(--sidebar-width); flex: 1; min-height: 100vh; display: flex; flex-direction: column; }
#header {
    height: var(--header-height); background: var(--card-bg); border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px; position: sticky; top: 0; z-index: 50;
}
.header-left { display: flex; align-items: center; gap: 16px; }
.header-title { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.breadcrumb { font-size: 11px; color: var(--text-tertiary); }
.breadcrumb a { color: var(--medium-blue); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.bc-sep { margin: 0 2px; }
.bc-current { color: var(--text-secondary); }
.header-right { display: flex; align-items: center; gap: 8px; }
.health-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.health-ok { background: var(--success); box-shadow: 0 0 6px rgba(82,196,26,0.4); }
.health-err { background: var(--error); box-shadow: 0 0 6px rgba(255,77,79,0.4); }
.health-text { font-size: 11px; color: var(--text-secondary); }
.content { padding: 20px 24px; flex: 1; }

/* Icon */
.icon { display: inline-flex; align-items: center; justify-content: center; }
.icon svg { width: 100%; height: 100%; }

/* Cards */
.card {
    background: var(--card-bg); border-radius: var(--card-radius);
    box-shadow: var(--card-shadow); padding: 18px; margin-bottom: 16px;
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-title { font-size: 14px; font-weight: 600; color: var(--text-primary); }

/* KPI Cards */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.kpi-card {
    background: var(--card-bg); border-radius: var(--card-radius);
    box-shadow: var(--card-shadow); padding: 16px 18px; border-top: 3px solid var(--medium-blue);
    transition: transform 0.15s, box-shadow 0.15s;
}
.kpi-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(4,50,91,0.12); }
.kpi-card.success { border-top-color: var(--success); }
.kpi-card.warning { border-top-color: var(--warning); }
.kpi-card.error { border-top-color: var(--error); }
.kpi-card.info { border-top-color: var(--bright-cyan); }
.kpi-label { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-value { font-size: 26px; font-weight: 700; color: var(--text-primary); margin: 4px 0 2px; }
.kpi-sub { font-size: 11px; color: var(--text-tertiary); }

/* Tables */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
thead th {
    background: #f9fafb; padding: 8px 10px; text-align: left;
    font-weight: 600; color: var(--text-secondary); border-bottom: 2px solid var(--border-color);
    white-space: nowrap; font-size: 11px; text-transform: uppercase; letter-spacing: 0.3px;
}
tbody td { padding: 8px 10px; border-bottom: 1px solid #f3f4f6; vertical-align: middle; }
tbody tr:hover { background: #f9fafb; }
tbody tr:last-child td { border-bottom: none; }
td.mono { font-family: 'Consolas', 'Monaco', monospace; font-size: 11px; }
td.nowrap { white-space: nowrap; }
td.actions { white-space: nowrap; }

/* Badges */
.badge {
    display: inline-block; padding: 2px 8px; border-radius: 10px;
    font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px;
}
.badge-success { background: #e6f7e6; color: #1a7a1a; }
.badge-failed, .badge-error { background: #fff1f0; color: #cf1322; }
.badge-pending { background: #fff7e6; color: #ad6800; }
.badge-running { background: #e6f7ff; color: #0958d9; }
.badge-cancelled { background: #f5f5f5; color: #595959; }
.badge-warning { background: #fff7e6; color: #ad6800; }
.badge-info { background: #e6f7ff; color: #0958d9; }
.badge-critical { background: #fff1f0; color: #cf1322; border: 1px solid #ffa39e; }
.badge-default { background: #f5f5f5; color: #595959; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 14px; border-radius: 6px; font-size: 12px; font-weight: 500;
    border: 1px solid var(--border-color); background: var(--card-bg); color: var(--text-primary);
    cursor: pointer; transition: all 0.15s; white-space: nowrap;
}
.btn:hover { background: #f3f4f6; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--medium-blue); color: #fff; border-color: var(--medium-blue); }
.btn-primary:hover { background: var(--primary-navy); border-color: var(--primary-navy); }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #389e0d; }
.btn-danger { background: var(--error); color: #fff; border-color: var(--error); }
.btn-danger:hover { background: #cf1322; }
.btn-warning { background: var(--warning); color: #fff; border-color: var(--warning); }
.btn-outline { background: transparent; }
.btn-sm { padding: 4px 8px; font-size: 11px; }
.btn-icon { background: none; border: none; cursor: pointer; padding: 4px; color: var(--text-secondary); display: inline-flex; }
.btn-icon:hover { color: var(--text-primary); }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: 11px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.3px; }
.form-control {
    width: 100%; padding: 7px 10px; border: 1px solid var(--border-color);
    border-radius: 6px; font-size: 13px; font-family: inherit;
    color: var(--text-primary); background: var(--card-bg);
    transition: border-color 0.15s;
}
.form-control:focus { outline: none; border-color: var(--bright-cyan); box-shadow: 0 0 0 2px rgba(19,181,234,0.15); }
select.form-control { appearance: auto; }
textarea.form-control { resize: vertical; min-height: 60px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-check { display: flex; align-items: center; gap: 6px; }
.form-check input[type="checkbox"] { width: 14px; height: 14px; accent-color: var(--medium-blue); }

/* Toolbar */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar-left { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.toolbar-right { display: flex; align-items: center; gap: 8px; }
.filter-select { padding: 6px 10px; border: 1px solid var(--border-color); border-radius: 6px; font-size: 12px; background: var(--card-bg); }

/* Pagination */
.pagination { display: flex; align-items: center; gap: 4px; margin-top: 14px; justify-content: center; }
.pagination-info { font-size: 11px; color: var(--text-tertiary); margin-left: 10px; }

/* Modal */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 1000;
    display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal {
    background: var(--card-bg); border-radius: var(--card-radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2); width: 100%; max-width: 560px; max-height: 85vh;
    display: flex; flex-direction: column;
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--border-color);
}
.modal-header h3 { font-size: 15px; font-weight: 600; }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-footer { padding: 12px 20px; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 8px; }

/* Toast */
#toast-container { position: fixed; top: 60px; right: 20px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; }
.toast {
    padding: 10px 16px; border-radius: 8px; font-size: 12px; font-weight: 500;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15); transition: opacity 0.3s;
    max-width: 350px; word-wrap: break-word;
}
.toast-info { background: #e6f7ff; color: #0958d9; border-left: 3px solid #0958d9; }
.toast-success { background: #e6f7e6; color: #1a7a1a; border-left: 3px solid var(--success); }
.toast-error { background: #fff1f0; color: #cf1322; border-left: 3px solid var(--error); }
.toast-warning { background: #fff7e6; color: #ad6800; border-left: 3px solid var(--warning); }
.toast-fade { opacity: 0; }

/* Loading & Empty */
.loading { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 40px; color: var(--text-secondary); }
.spinner {
    width: 20px; height: 20px; border: 2px solid var(--border-color);
    border-top-color: var(--bright-cyan); border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state { text-align: center; padding: 40px; color: var(--text-tertiary); font-size: 13px; }
.error-state { text-align: center; padding: 40px; color: var(--error); font-size: 13px; }

/* Tabs */
.tabs { display: flex; border-bottom: 2px solid var(--border-color); margin-bottom: 16px; gap: 0; }
.tab-btn {
    padding: 8px 16px; font-size: 13px; font-weight: 500; color: var(--text-secondary);
    background: none; border: none; cursor: pointer; border-bottom: 2px solid transparent;
    margin-bottom: -2px; transition: all 0.15s;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--medium-blue); border-bottom-color: var(--medium-blue); font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 16px; }

/* Bar chart (CSS) */
.bar-chart { display: flex; align-items: flex-end; gap: 6px; height: 120px; padding: 0 4px; }
.bar-group { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.bar { width: 100%; border-radius: 3px 3px 0 0; transition: height 0.3s; min-height: 2px; }
.bar.success { background: var(--success); }
.bar.failed { background: var(--error); }
.bar-label { font-size: 9px; color: var(--text-tertiary); }

/* Status dot */
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.status-dot.online { background: var(--success); }
.status-dot.offline { background: var(--error); }

/* Responsive */
@media (max-width: 1200px) {
    .kpi-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
    .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    #sidebar { width: 60px; }
    .main-wrapper { margin-left: 60px; }
    .nav-label, .sidebar-subtitle { display: none; }
    .sidebar-logo { font-size: 16px; }
    .sidebar-header { padding: 14px 12px 10px; }
    .nav-item { padding: 10px 0; justify-content: center; }
}