:root {
    --crm-blue: #004393;
    --crm-blue-mid: #0064DC;
    --crm-blue-light: #0096C7;
    --crm-bg: #eef2f6;
    --crm-panel: #ffffff;
    --crm-border: #d5dde7;
    --crm-text: #1a2332;
    --crm-muted: #6b7788;
    --crm-sidebar: #0b1f3a;
    --crm-sidebar-text: #d7e3f4;
    --crm-accent: #1f7aec;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    font-family: 'Poppins', sans-serif;
    color: var(--crm-text);
    background:
        radial-gradient(1200px 600px at 0% 0%, rgba(0, 100, 220, 0.12), transparent 55%),
        radial-gradient(900px 500px at 100% 0%, rgba(0, 150, 199, 0.10), transparent 50%),
        linear-gradient(180deg, #f5f8fc 0%, var(--crm-bg) 100%);
}

a { color: var(--crm-blue-mid); text-decoration: none; }
a:hover { color: var(--crm-blue); }

#crm-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

#crm-sidebar {
    background: linear-gradient(180deg, #0b1f3a 0%, #102a4d 55%, #0d2342 100%);
    color: var(--crm-sidebar-text);
    padding: 20px 12px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px 22px;
}

.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-weight: 700;
    background: linear-gradient(135deg, var(--crm-blue-mid), var(--crm-blue-light));
    color: #fff;
}

.brand-text {
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #fff;
}

#menuItemsContainer {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu-item-group {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--crm-sidebar-text);
    transition: background 0.2s ease, color 0.2s ease;
    cursor: pointer;
}

.menu-item-group:hover,
.menu-item-group.currentPage {
    background: rgba(31, 122, 236, 0.22);
    color: #fff;
}

.menu-text { font-size: 14px; font-weight: 500; }

#crm-main { display: flex; flex-direction: column; min-width: 0; }

#crm-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    background: rgba(255,255,255,0.82);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--crm-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.breadcrumbs { display: flex; gap: 8px; align-items: center; color: var(--crm-muted); font-size: 13px; }
.breadcrumbs .sep { opacity: 0.5; }
.topbar-user { display: flex; gap: 10px; align-items: center; }
.user-name { font-weight: 600; }
.user-role {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--crm-blue);
    background: #e8f1ff;
    padding: 4px 8px;
    border-radius: 999px;
}

#crm-content { padding: 24px; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 16px;
    margin-bottom: 18px;
}

.page-header h1 {
    margin: 0;
    font-size: 28px;
    color: var(--crm-blue);
    letter-spacing: -0.02em;
}

.page-header p { margin: 4px 0 0; color: var(--crm-muted); font-size: 14px; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.stat-tile {
    background: var(--crm-panel);
    border: 1px solid var(--crm-border);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 8px 24px rgba(16, 42, 77, 0.04);
}

.stat-tile .label { color: var(--crm-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.stat-tile .value { font-size: 28px; font-weight: 700; color: var(--crm-blue); margin-top: 6px; }

.panel {
    background: var(--crm-panel);
    border: 1px solid var(--crm-border);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 8px 24px rgba(16, 42, 77, 0.04);
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.filters input,
.filters select,
.form-grid input,
.form-grid select {
    border: 2px solid #ccc;
    border-radius: 8px;
    padding: 8px 10px;
    font: inherit;
    min-width: 160px;
    background: #fff;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--crm-blue);
    background: var(--crm-blue);
    color: #fff;
    border-radius: 8px;
    padding: 8px 14px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease;
}

.btn:hover { background: var(--crm-blue-mid); border-color: var(--crm-blue-mid); color: #fff; }
.btn-outline { background: #fff; color: var(--crm-blue); }
.btn-outline:hover { background: var(--crm-blue-mid); color: #fff; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th,
.data-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid #e8edf3;
}

.data-table th {
    color: var(--crm-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.04em;
}

.data-table tr:hover td { background: #f1f2f3; }

.badge {
    display: inline-flex;
    padding: 3px 8px;
    border-radius: 999px;
    background: #eef3f9;
    color: var(--crm-blue);
    font-size: 11px;
    font-weight: 600;
}

.flash {
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 14px;
    font-size: 14px;
}
.flash-success { background: #e8f8ef; color: #146c3d; border: 1px solid #b7e4c7; }
.flash-error { background: #fdecec; color: #9b1c1c; border: 1px solid #f5c2c2; }

.hierarchy-tree { display: flex; flex-direction: column; gap: 6px; }
.user-hierarchy-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border: 1px solid var(--crm-border);
    border-radius: 8px;
    background: #fff;
    margin-left: calc(var(--depth, 0) * 16px);
}
.user-hierarchy-item.current_user { border-color: var(--crm-blue-mid); background: #eef5ff; }
.user-hierarchy-item-role { color: var(--crm-muted); font-size: 12px; text-transform: capitalize; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--crm-muted); }
.form-actions { grid-column: 1 / -1; }

.pagination-wrap { margin-top: 16px; }

@media (max-width: 1100px) {
    .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
    #crm-shell { grid-template-columns: 1fr; }
    #crm-sidebar { position: relative; height: auto; }
    .form-grid { grid-template-columns: 1fr; }
}