:root {
    --bg-main: #f5f7fa;
    --bg-sidebar: #0f172a;
    --text-main: #334155;
    --text-sidebar: #cbd5e1;
    --accent-blue: #2563eb;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;
    --accent-teal: #14b8a6;
    --accent-indigo: #6366f1;
    --accent-yellow: #eab308;
    --accent-light-blue: #38bdf8;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --sidebar-active: #1e293b;
    --sidebar-active-text: #ffffff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    min-height: 100vh;
}

.app-container {
    display: flex;
    width: 100%;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    color: var(--text-sidebar);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    transition: transform 0.3s ease;
}

body.sidebar-collapsed .sidebar {
    transform: translateX(-260px);
}

.sidebar-header {
    padding: 24px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h2 {
    color: #fff;
    font-size: 24px;
    margin-bottom: 4px;
}

.sidebar-header p {
    font-size: 11px;
    letter-spacing: 1px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
}

.sidebar-nav a {
    display: block;
    padding: 12px 24px;
    color: var(--text-sidebar);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    background-color: var(--sidebar-active);
    color: var(--sidebar-active-text);
    border-left: 4px solid var(--accent-blue);
}

.sidebar-nav hr {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin: 12px 24px;
}

.sidebar-footer {
    padding: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 12px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

body.sidebar-collapsed .main-content {
    margin-left: 0;
}

/* Header */
.top-header {
    height: 70px;
    background-color: #fff;
    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: 10;
}

.menu-toggle {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-main);
    margin-right: 16px;
    display: flex;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
}

.header-left h1 {
    font-size: 20px;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.date-time {
    font-size: 14px;
    color: #64748b;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--border-color);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    color: #64748b;
}

/* Content Wrapper */
.content-wrapper {
    padding: 24px;
    flex: 1;
    overflow-y: auto;
}

/* Dashboard Filters */
.dashboard-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 24px;
}

.btn-filter {
    background-color: #fff;
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}

/* Grids */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

@media (max-width: 1400px) {
    .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}

.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.tables-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* KPI Cards */
.kpi-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.bg-green { background-color: var(--accent-green); }
.bg-blue { background-color: var(--accent-blue); }
.bg-orange { background-color: var(--accent-orange); }
.bg-purple { background-color: var(--accent-purple); }
.bg-teal { background-color: var(--accent-teal); }
.bg-indigo { background-color: var(--accent-indigo); }
.bg-yellow { background-color: var(--accent-yellow); }
.bg-red { background-color: var(--accent-red); }
.bg-light-blue { background-color: var(--accent-light-blue); }

.kpi-details {
    display: flex;
    flex-direction: column;
}

.kpi-label {
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 4px;
}

.kpi-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

.kpi-trend {
    font-size: 12px;
}

.kpi-trend.positive { color: var(--accent-green); }
.kpi-trend.negative { color: var(--accent-red); }

.kpi-subtext {
    font-size: 12px;
    color: #64748b;
}

/* Tables */
.table-card {
    padding: 0;
    overflow-x: auto; /* act as scroll wrapper */
    border-radius: 4px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}

.view-all {
    font-size: 13px;
    color: var(--accent-blue);
    text-decoration: none;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 13px;
    border: 1px solid #d1d5db;
}

th, td {
    padding: 6px 10px !important;
    text-align: left;
    font-size: 13px;
    border: 1px solid #d1d5db;
    white-space: nowrap;
}

th {
    background-color: #f3f4f6;
    font-weight: 600;
    color: #374151;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: inset 0 -2px 0 #9ca3af;
}

tbody tr:hover td {
    background-color: #f0fdf4 !important;
    cursor: pointer;
}

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}

.badge-open { background-color: #dcfce7; color: #166534; }
.badge-quoted { background-color: #fef9c3; color: #854d0e; }

.text-green { color: var(--accent-green); }
.text-orange { color: var(--accent-orange); }
.text-red { color: var(--accent-red); }
.text-dark-red { color: #991b1b; }
.font-bold { font-weight: 700; }

@media print {
    .sidebar, .top-header, .btn {
        display: none !important;
    }
    .main-content {
        margin-left: 0 !important;
    }
    .card {
        box-shadow: none !important;
        border: none !important;
    }
    body {
        background-color: #fff !important;
    }
}