/* ── Reset & Base ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sidebar-bg:     #0f294a;
  --sidebar-bg-2:   #0b1d39;
  --sidebar-hover:  rgba(255,255,255,.07);
  --sidebar-active: rgba(var(--accent-rgb), .20);
  --accent:         #2563eb;
  --accent-dark:    #1d4ed8;
  --accent-soft:    #eff4ff;
  --accent-rgb:     37,99,235;
  --success:        #10b981;
  --success-dark:   #059669;
  --warning:        #f59e0b;
  --danger:         #ef4444;
  --danger-dark:    #dc2626;
  --bg:             #eef3fb;
  --card-bg:        #ffffff;
  --text:           #0f172a;
  --text-muted:     #64748b;
  --border:         #e6eaf1;
  --radius:         14px;
  --radius-sm:      9px;
  --shadow-sm:      0 1px 2px rgba(16,24,40,.06);
  --shadow:         0 1px 3px rgba(16,24,40,.05), 0 10px 24px -14px rgba(16,24,40,.18);
  --shadow-lg:      0 24px 60px -16px rgba(16,24,40,.30);
  --sidebar-w:      244px;
}

/* ── Themes (each user picks one; only re-skins accent + sidebar, content stays light) ── */
[data-theme="emerald"] {
  --accent: #0d9488; --accent-dark: #0f766e; --accent-soft: #ddf3ec; --accent-rgb: 13,148,136;
  --sidebar-bg: #0c352f; --sidebar-bg-2: #07221e; --bg: #e7f5f0;
}
[data-theme="violet"] {
  --accent: #7c3aed; --accent-dark: #6d28d9; --accent-soft: #efeafe; --accent-rgb: 124,58,237;
  --sidebar-bg: #2a1d5e; --sidebar-bg-2: #1b1340; --bg: #f1ecfc;
}
[data-theme="sunset"] {
  --accent: #ea580c; --accent-dark: #c2410c; --accent-soft: #ffeede; --accent-rgb: 234,88,12;
  --sidebar-bg: #2b2420; --sidebar-bg-2: #1c1714; --bg: #fcefe5;
}
[data-theme="rose"] {
  --accent: #e11d48; --accent-dark: #be123c; --accent-soft: #ffe4ea; --accent-rgb: 225,29,72;
  --sidebar-bg: #3a1526; --sidebar-bg-2: #260d19; --bg: #fce9ee;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle, modern scrollbars */
* { scrollbar-width: thin; scrollbar-color: #c7d0de transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 8px; border: 2px solid transparent; background-clip: content-box; }
*::-webkit-scrollbar-thumb:hover { background: #94a3b8; background-clip: content-box; }

/* ── Layout ───────────────────────────────────────────────────────────── */
#app { display: flex; min-height: 100vh; }

/* ── Sidebar ──────────────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg-2) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
  box-shadow: 1px 0 0 rgba(255,255,255,.04), 4px 0 24px -16px rgba(0,0,0,.5);
}

#sidebar-brand {
  padding: 20px 18px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
#sidebar-brand .brand-icon { font-size: 1.7rem; }
#sidebar-brand .brand-name { font-size: 1.02rem; font-weight: 700; margin-top: 5px; line-height: 1.2; letter-spacing: -.01em; }
#sidebar-brand .brand-sub  { font-size: .72rem; opacity: .55; }

#sidebar nav { flex: 1; padding: 12px 10px; }
#sidebar nav a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 13px;
  margin: 2px 0;
  color: rgba(255,255,255,.72);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  position: relative;
  transition: background .15s, color .15s;
}
#sidebar nav a:hover { background: var(--sidebar-hover); color: #fff; }
#sidebar nav a.active {
  background: var(--sidebar-active);
  color: #fff;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb), .30);
}
#sidebar nav a.active::before {
  content: ''; position: absolute; left: -10px; top: 8px; bottom: 8px;
  width: 3px; border-radius: 0 3px 3px 0; background: var(--accent);
}
#sidebar nav a .icon { width: 18px; text-align: center; font-size: 1rem; }

#sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: .78rem;
  color: rgba(255,255,255,.4);
}
#sidebar-user { font-weight: 600; color: rgba(255,255,255,.85); margin-bottom: 2px; font-size: .85rem; }

/* ── Main content ─────────────────────────────────────────────────────── */
#main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Top bar ──────────────────────────────────────────────────────────── */
#topbar {
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 0 26px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
}
#topbar h1 { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; }

#topbar-right { display: flex; align-items: center; gap: 14px; }
#notif-btn {
  position: relative;
  background: none; border: none; cursor: pointer;
  font-size: 1.2rem; padding: 6px; border-radius: 8px;
  transition: background .15s;
}
#notif-btn:hover { background: var(--accent-soft); }
#notif-badge {
  position: absolute; top: 0; right: 0;
  background: var(--danger); color: #fff;
  font-size: .65rem; font-weight: 700;
  padding: 1px 5px; border-radius: 10px;
  box-shadow: 0 0 0 2px #fff;
  display: none;
}
#user-menu-btn {
  background: var(--accent); color: #fff;
  border: none; border-radius: 8px;
  padding: 7px 15px; font-size: .85rem;
  cursor: pointer; font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: background .15s, transform .12s, box-shadow .15s;
}
#user-menu-btn:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 6px 16px -4px rgba(var(--accent-rgb),.45); }
#user-menu-btn:active { transform: translateY(0); }

/* ── Notification panel ────────────────────────────────────────────────── */
#notif-panel {
  position: fixed; top: 64px; right: 14px;
  width: 372px; max-height: 460px;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  z-index: 200; display: none; overflow: hidden; flex-direction: column;
}
#notif-panel.open { display: flex; }
#notif-panel-header {
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 700; font-size: .9rem;
}
#notif-list { overflow-y: auto; flex: 1; }
.notif-item {
  padding: 13px 18px; border-bottom: 1px solid #f4f6fb;
  cursor: pointer; transition: background .12s;
}
.notif-item:hover { background: #f8fafc; }
.notif-item.unread { background: var(--accent-soft); }
.notif-item .notif-title { font-weight: 600; font-size: .85rem; }
.notif-item .notif-msg   { font-size: .8rem; color: var(--text-muted); margin-top: 2px; }
.notif-item .notif-time  { font-size: .72rem; color: var(--text-muted); margin-top: 3px; }

/* ── Page content ─────────────────────────────────────────────────────── */
#content {
  padding: 26px;
  flex: 1;
  max-width: 1440px;
  width: 100%;
}

/* ── Cards ────────────────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 22px;
  margin-bottom: 22px;
  box-shadow: var(--shadow);
}
.card-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px; gap: 12px; flex-wrap: wrap;
}
.card-title { font-size: 1.02rem; font-weight: 700; letter-spacing: -.01em; }

/* ── Stat Cards ────────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 18px;
  margin-bottom: 22px;
}
.stat-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .16s ease, box-shadow .16s ease;
}
.stat-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px; background: var(--accent);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 1px 3px rgba(16,24,40,.06), 0 16px 32px -16px rgba(16,24,40,.28); }
.stat-card .stat-label { font-size: .76rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.stat-card .stat-value { font-size: 1.85rem; font-weight: 800; margin-top: 7px; letter-spacing: -.02em; }
.stat-card .stat-sub   { font-size: .8rem; color: var(--text-muted); margin-top: 3px; }
.stat-card.accent::before  { background: var(--accent); }
.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before  { background: var(--danger); }
.stat-card.accent  .stat-value { color: var(--accent); }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.danger  .stat-value { color: var(--danger); }

/* ── Buttons ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 17px; border: none; border-radius: 9px;
  font-size: .875rem; font-weight: 600; cursor: pointer;
  font-family: inherit;
  box-shadow: var(--shadow-sm);
  transition: background .15s, transform .12s, box-shadow .15s, opacity .15s, color .15s;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary  { background: var(--accent);   color: #fff; }
.btn-primary:hover { background: var(--accent-dark); box-shadow: 0 6px 16px -4px rgba(var(--accent-rgb),.45); }
.btn-success  { background: var(--success);  color: #fff; }
.btn-success:hover { background: var(--success-dark); box-shadow: 0 6px 16px -4px rgba(16,185,129,.45); }
.btn-warning  { background: var(--warning);  color: #fff; }
.btn-warning:hover { background: #d97706; box-shadow: 0 6px 16px -4px rgba(245,158,11,.45); }
.btn-danger   { background: var(--danger);   color: #fff; }
.btn-danger:hover  { background: var(--danger-dark); box-shadow: 0 6px 16px -4px rgba(239,68,68,.45); }
.btn-secondary { background: #eef1f6; color: var(--text); box-shadow: none; }
.btn-secondary:hover { background: #e2e8f0; }
.btn-outline { background: #fff; border: 1.5px solid var(--accent); color: var(--accent); box-shadow: none; }
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-sm { padding: 5px 11px; font-size: .8rem; }
.btn-xs { padding: 4px 9px; font-size: .75rem; box-shadow: none; }

/* ── Forms ────────────────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: .8rem; font-weight: 600; color: var(--text-muted); }
.form-control {
  padding: 9px 13px;
  border: 1.5px solid var(--border);
  border-radius: 9px;
  font-size: .9rem;
  font-family: inherit;
  width: 100%;
  color: var(--text);
  transition: border-color .18s, box-shadow .18s;
  background: #fff;
}
.form-control::placeholder { color: #9aa7b8; }
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3.5px rgba(var(--accent-rgb),.16); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-actions { margin-top: 22px; display: flex; gap: 10px; flex-wrap: wrap; }
.form-error { color: var(--danger); font-size: .83rem; margin-top: 8px; display: none; }
.form-error.show { display: block; }

/* ── Tables ───────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.card .table-wrap { border: none; border-radius: 0; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
thead { background: var(--accent-soft); }
thead th {
  padding: 12px 16px; text-align: left;
  font-size: .74rem; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap; cursor: pointer; user-select: none;
  position: sticky; top: 0; z-index: 1;
}
thead th:hover { color: var(--accent); }
tbody tr { border-bottom: 1px solid #eef1f6; transition: background .12s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:nth-child(even) { background: #fafbfd; }
tbody tr:hover, tbody tr:nth-child(even):hover { background: var(--accent-soft); }
tbody td { padding: 12px 16px; vertical-align: middle; }
.action-cell { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── Badges ───────────────────────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  line-height: 1.4;
}
.badge-low      { background: #fee2e2; color: var(--danger); }
.badge-ok       { background: #dcfce7; color: #15803d; }
.badge-warning  { background: #fef3c7; color: #b45309; }
.badge-pending  { background: #fef3c7; color: #b45309; }
.badge-approved { background: #dcfce7; color: #15803d; }
.badge-rejected { background: #fee2e2; color: var(--danger); }
.badge-primary  { background: #dbeafe; color: var(--accent-dark); }
.badge-success  { background: #dcfce7; color: #15803d; }
.badge-cancelled { background: #eef1f6; color: var(--text-muted); }
.badge-super      { background: #7c3aed; color: #fff; }
.badge-developer  { background: #0f766e; color: #fff; }
/* Platform team role badges */
.badge-owner   { background: #fef3c7; color: #b45309; }
.badge-manager { background: #e0e7ff; color: #4338ca; }
.badge-finance { background: #dcfce7; color: #15803d; }
.badge-sales   { background: #dbeafe; color: #1d4ed8; }
.badge-support { background: #cffafe; color: #0e7490; }

/* ── Alerts / Toasts ──────────────────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 10px;
  z-index: 1000; pointer-events: none;
}
.toast {
  padding: 13px 18px; border-radius: 11px; color: #fff;
  font-size: .875rem; font-weight: 500;
  box-shadow: 0 12px 28px -8px rgba(16,24,40,.4);
  animation: slide-in .25s cubic-bezier(.2,.8,.2,1);
  pointer-events: auto; cursor: pointer;
  max-width: 340px;
}
.toast-success { background: var(--success); }
.toast-error   { background: var(--danger); }
.toast-info    { background: var(--accent); }
.toast-warning { background: var(--warning); color: #422006; }
@keyframes slide-in { from { transform: translateX(110%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── Modals ───────────────────────────────────────────────────────────── */
.modal-backdrop {
  display: none; position: fixed; inset: 0;
  background: rgba(15,23,42,.55); backdrop-filter: blur(2px);
  z-index: 500;
  align-items: center; justify-content: center;
  padding: 20px;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: #fff; border-radius: 18px;
  padding: 28px; width: 100%; max-width: 600px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: fade-up .22s cubic-bezier(.2,.8,.2,1);
}
.modal.wide { max-width: 820px; }
@keyframes fade-up { from { transform: translateY(16px) scale(.98); opacity: 0; } to { transform: translateY(0) scale(1); opacity: 1; } }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.modal-title  { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; }
.modal-close  { background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--text-muted); line-height: 1; padding: 4px 8px; border-radius: 8px; transition: background .15s, color .15s; }
.modal-close:hover { color: var(--danger); background: #fee2e2; }
.modal-footer { margin-top: 22px; display: flex; justify-content: flex-end; gap: 10px; }

/* ── Search bar ───────────────────────────────────────────────────────── */
.search-row {
  display: flex; gap: 10px; flex-wrap: wrap;
  align-items: center; margin-bottom: 18px;
}
.search-row .form-control { min-width: 220px; }

/* ── Login page ───────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, var(--sidebar-bg) 0%, var(--accent-dark) 55%, var(--accent) 100%);
  position: relative;
}
.login-page::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(900px 500px at 20% 10%, rgba(255,255,255,.12), transparent 60%);
}
.login-card {
  position: relative;
  background: #fff; border-radius: 18px;
  padding: 40px 42px; width: 100%; max-width: 420px;
  box-shadow: 0 30px 70px -20px rgba(0,0,0,.5);
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo .logo-icon { font-size: 2.6rem; }
.login-logo h1 { font-size: 1.45rem; font-weight: 800; margin-top: 10px; color: var(--text); letter-spacing: -.02em; }
.login-logo p  { color: var(--text-muted); font-size: .85rem; margin-top: 4px; }

/* ── Empty state ──────────────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 52px 20px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 3.2rem; margin-bottom: 14px; opacity: .9; }
.empty-state p { font-size: .95rem; }

/* ── Misc utilities ───────────────────────────────────────────────────── */
.text-muted   { color: var(--text-muted); }
.text-danger  { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.fw-bold { font-weight: 700; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.d-flex { display: flex; }
.gap-2 { gap: 8px; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-100 { width: 100%; }

/* ── Dashboard: quick actions ─────────────────────────────────────────── */
.quick-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.quick-action {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 16px; border-radius: 12px;
  font-weight: 600; font-size: .9rem;
  background: var(--card-bg); border: 1px solid var(--border); color: var(--text);
  box-shadow: var(--shadow-sm); cursor: pointer; text-decoration: none;
  transition: transform .12s, box-shadow .15s, border-color .15s, color .15s;
}
.quick-action:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--accent); color: var(--accent); }
.quick-action .qa-icon { font-size: 1.15rem; }

/* ── Dashboard: two-column rows ───────────────────────────────────────── */
.dash-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 22px; }

/* ── Dashboard: ranked bar lists (best sellers / slow movers) ─────────── */
.bar-row { display: flex; align-items: center; gap: 11px; padding: 10px 0; border-bottom: 1px solid #f1f5f9; }
.bar-row:last-child { border-bottom: none; }
.bar-rank {
  width: 23px; height: 23px; flex-shrink: 0; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-dark);
  font-weight: 700; font-size: .74rem;
  display: flex; align-items: center; justify-content: center;
}
.bar-main { flex: 1; min-width: 0; }
.bar-name { font-size: .87rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-track { height: 7px; background: #eef1f6; border-radius: 99px; margin-top: 6px; overflow: hidden; }
.bar-fill  { height: 100%; background: var(--accent); border-radius: 99px; transition: width .4s ease; }
.bar-val   { font-size: .85rem; font-weight: 700; flex-shrink: 0; text-align: right; }

/* ── Dashboard: SVG bar chart ─────────────────────────────────────────── */
.chart-bar { fill: var(--accent); transition: fill .15s; }
.chart-bar:hover { fill: var(--accent-dark); }

/* ── Dashboard: range toggle (segmented control) ──────────────────────── */
.range-toggle { display: inline-flex; background: #eef1f6; border-radius: 10px; padding: 3px; gap: 2px; }
.range-btn {
  border: none; background: none; cursor: pointer;
  padding: 5px 12px; border-radius: 7px;
  font-size: .78rem; font-weight: 600; color: var(--text-muted);
  font-family: inherit; transition: background .15s, color .15s, box-shadow .15s;
}
.range-btn:hover { color: var(--text); }
.range-btn.active { background: var(--card-bg); color: var(--accent); box-shadow: var(--shadow-sm); }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  #sidebar { transform: translateX(-100%); transition: transform .25s; }
  #sidebar.open { transform: translateX(0); }
  #main { margin-left: 0; }
  #content { padding: 16px; }
  #topbar { padding: 0 16px; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .form-grid  { grid-template-columns: 1fr; }
  .modal { padding: 22px; }
}

@media (max-width: 900px) {
  .dash-2col { grid-template-columns: 1fr; }
}