:root {
    --bg:         #f8f9f5;
    --bg-card:    #ffffff;
    --bg-hover:   #f5f6f1;
    --ink:        #0c111d;
    --border:     #e8eaf0;
    --border-mid: #d1d5db;
    --blue:   #2563eb; --blue-lt:   #eff6ff; --blue-mid:   #bfdbfe;
    --green:  #16a34a; --green-lt:  #f0fdf4; --green-mid:  #bbf7d0;
    --amber:  #d97706; --amber-lt:  #fffbeb; --amber-mid:  #fde68a;
    --red:    #dc2626; --red-lt:    #fef2f2; --red-mid:    #fecaca;
    --cyan:   #0891b2; --cyan-lt:   #ecfeff; --cyan-mid:   #a5f3fc;
    --violet: #7c3aed; --violet-lt: #f5f3ff; --violet-mid: #ddd6fe;
    --orange: #c2410c; --orange-lt: #fff7ed;
    --pink:   #be185d; --pink-lt:   #fdf2f8;
    --teal:   #0d9488; --teal-lt:   #f0fdfa;
    --text-1: #0f172a;
    --text-2: #475569;
    --text-3: #94a3b8;
    --text-4: #cbd5e1;
    --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 20px;
    --sh-xs: 0 1px 2px rgba(15,23,42,.05);
    --sh-sm: 0 1px 3px rgba(15,23,42,.06), 0 4px 12px rgba(15,23,42,.04);
    --sh-md: 0 2px 8px rgba(15,23,42,.07), 0 8px 24px rgba(15,23,42,.05);
    --sh-hv: 0 8px 24px rgba(15,23,42,.10), 0 24px 48px rgba(15,23,42,.07);
    --sidebar-w: 260px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    background: var(--bg);
    color: var(--text-1);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    display: flex;
    min-height: 100vh;
}
a { text-decoration: none; color: inherit; }

/* ── SIDEBAR ── */
.sidebar {
    width: var(--sidebar-w);
    background: var(--ink);
    color: #fff;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
}
.sb-brand {
    padding: 20px 18px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    display: flex;
    align-items: center;
    gap: 12px;
}
.sb-logo {
    width: 36px; height: 36px; border-radius: var(--r-md);
    background: linear-gradient(135deg, var(--blue) 0%, #3b82f6 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; color: #fff; flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(37,99,235,.3);
}
.sb-brand-text { line-height: 1.2; }
.sb-brand-name { font-size: 14px; font-weight: 700; }
.sb-brand-sub { font-size: 10px; color: rgba(255,255,255,.4); font-weight: 500; text-transform: uppercase; letter-spacing: .8px; }

.sb-nav { flex: 1; padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; }
.sb-section { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: rgba(255,255,255,.3); padding: 14px 10px 6px; }
.sb-link {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px;
    border-radius: var(--r-sm);
    font-size: 13px; font-weight: 500;
    color: rgba(255,255,255,.6);
    transition: background .15s, color .15s;
}
.sb-link:hover { background: rgba(255,255,255,.06); color: rgba(255,255,255,.85); }
.sb-link.active { background: rgba(37,99,235,.2); color: #fff; font-weight: 600; }
.sb-link i { width: 18px; text-align: center; font-size: 13px; flex-shrink: 0; }
.sb-link .sb-badge {
    margin-left: auto;
    background: rgba(255,255,255,.1);
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
}

.sb-footer {
    padding: 14px 18px;
    border-top: 1px solid rgba(255,255,255,.06);
    display: flex; align-items: center; gap: 10px;
}
.sb-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: rgba(255,255,255,.1);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; color: rgba(255,255,255,.6);
}
.sb-user-name { font-size: 12px; font-weight: 600; color: rgba(255,255,255,.8); }
.sb-user-role { font-size: 10px; color: rgba(255,255,255,.35); }

/* ── MAIN CONTENT ── */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.topbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar-title { font-size: 16px; font-weight: 700; color: var(--text-1); }
.topbar-right { display: flex; align-items: center; gap: 14px; }

.page-body { padding: 24px 28px; flex: 1; }

/* ── COMPONENTS ── */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: none;
}
.panel-head {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.panel-title { font-size: 14px; font-weight: 700; }
.panel-body { padding: 20px; }

.stat-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-bottom: 20px; }
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
    position: relative;
    overflow: hidden;
    box-shadow: none;
}
.stat-card:hover { transform: none; box-shadow: none; }
.stat-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background: var(--acc, var(--blue)); }
.stat-lbl { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--text-3); }
.stat-val { font-size: 26px; font-weight: 700; letter-spacing: -.8px; margin-top: 4px; }
.stat-sub { font-size: 11px; color: var(--text-3); margin-top: 4px; }
.stat-ico {
    position: absolute; top: 16px; right: 16px;
    width: 36px; height: 36px;
    border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
}

/* Badges */
.bdg { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.bdg-blue   { background: var(--blue-lt);   color: var(--blue);   border: 1px solid var(--blue-mid); }
.bdg-green  { background: var(--green-lt);  color: var(--green);  border: 1px solid var(--green-mid); }
.bdg-amber  { background: var(--amber-lt);  color: var(--amber);  border: 1px solid var(--amber-mid); }
.bdg-red    { background: var(--red-lt);    color: var(--red);    border: 1px solid var(--red-mid); }
.bdg-violet { background: var(--violet-lt); color: var(--violet); border: 1px solid var(--violet-mid); }
.bdg-cyan   { background: var(--cyan-lt);   color: var(--cyan);   border: 1px solid var(--cyan-mid); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 16px; border-radius: var(--r-md);
    font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 600;
    cursor: pointer; border: none;
    transition: transform .12s, box-shadow .12s, background .12s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(160deg, #2563eb, #1648c0); color: #fff; box-shadow: 0 1px 0 rgba(255,255,255,.12) inset, 0 4px 14px rgba(37,99,235,.22); }
.btn-primary:hover { background: linear-gradient(160deg, #2563eb, #1648c0); box-shadow: 0 1px 0 rgba(255,255,255,.12) inset, 0 8px 22px rgba(37,99,235,.32); }
.btn-secondary { background: var(--bg-hover); color: var(--text-2); border: 1px solid var(--border-mid); }
.btn-secondary:hover { background: var(--bg-card); border-color: var(--text-3); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn i { font-size: 11px; }

/* Tables */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th {
    text-align: left; padding: 12px 16px;
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .4px;
    color: var(--text-3); background: transparent;
    border-bottom: 2px solid var(--border);
}
.tbl td {
    padding: 14px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
    line-height: 1.7;
}
.tbl tr:last-child td { border-bottom: none; }
.tbl tr:hover td { background: transparent; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 700; color: var(--text-2); margin-bottom: 6px; }
.form-input {
    display: block; width: 100%; height: 44px; padding: 0 14px;
    border: 1.5px solid var(--border); border-radius: 10px;
    background: var(--bg-card); font-family: 'Inter', sans-serif; font-size: 14px;
    color: var(--text-1); outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.form-input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.08); }
textarea.form-input { height: auto; min-height: 80px; padding: 10px 14px; resize: vertical; }
select.form-input { cursor: pointer; }
.form-hint { font-size: 11px; color: var(--text-3); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: var(--r-md); font-size: 13px; font-weight: 500; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.alert-success { background: var(--green-lt); color: var(--green); border: 1px solid var(--green-mid); }
.alert-error   { background: var(--red-lt);   color: var(--red);   border: 1px solid var(--red-mid); }
.alert-warning { background: var(--amber-lt); color: var(--amber); border: 1px solid var(--amber-mid); }
.alert-info    { background: var(--blue-lt);  color: var(--blue);  border: 1px solid var(--blue-mid); }

/* Empty state */
.empty-state { text-align: center; padding: 48px 20px; }
.empty-state i { font-size: 36px; color: var(--text-4); margin-bottom: 12px; }
.empty-state h3 { font-size: 16px; font-weight: 700; color: var(--text-2); margin-bottom: 6px; }
.empty-state p { font-size: 13px; color: var(--text-3); }

/* Modal */
.modal-overlay {
    display: none; position: fixed; inset: 0; z-index: 500;
    background: rgba(12,17,29,.5); backdrop-filter: blur(4px);
    align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
    background: var(--bg-card); border-radius: var(--r-xl);
    box-shadow: var(--sh-hv); width: min(90vw, 520px);
    animation: modalIn .2s ease;
}
@keyframes modalIn { from { opacity:0; transform:scale(.96) translateY(8px); } }
.modal-head { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-size: 15px; font-weight: 700; }
.modal-close { width: 32px; height: 32px; border-radius: var(--r-sm); border: 1px solid var(--border); background: var(--bg-hover); cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: 13px; }
.modal-body { padding: 22px; }
.modal-foot { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* Utility */
.text-muted { color: var(--text-3); }
.text-sm { font-size: 12px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

@media (max-width: 1024px) {
    .stat-grid { grid-template-columns: repeat(2,1fr); }
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
}
@media (max-width: 640px) {
    .stat-grid { grid-template-columns: 1fr; }
    .page-body { padding: 16px; }
    .form-row { grid-template-columns: 1fr; }
}

/* The sidebar scrolls with the wheel or touch but never shows a scrollbar. */
.sidebar{scrollbar-width:none;-ms-overflow-style:none}.sidebar::-webkit-scrollbar{width:0;height:0;display:none}
.sidebar .sb-nav{overflow:visible}