/* WFM dashboard — professional light UI, high-contrast text (WCAG-friendly) */
:root {
  --bg-page: #e8edf5;
  --bg-page-2: #f1f5f9;
  --sidebar-bg: linear-gradient(195deg, #1e293b 0%, #0f172a 52%, #020617 100%);
  --sidebar-text: #f8fafc;
  --sidebar-muted: #94a3b8;
  --sidebar-heading: #cbd5e1;
  --sidebar-input-bg: rgba(255, 255, 255, 0.07);
  --sidebar-input-border: rgba(255, 255, 255, 0.14);
  --sidebar-input-focus: rgba(99, 102, 241, 0.45);
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-light: #eef2ff;
  --surface: #ffffff;
  --text: #0f172a;
  --text-secondary: #475569;
  --muted: #64748b;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --green: #059669;
  --green-soft: rgba(5, 150, 105, 0.12);
  --red: #dc2626;
  --red-soft: rgba(220, 38, 38, 0.1);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.18s ease;
  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-page);
  background-image: radial-gradient(ellipse 120% 80% at 100% -20%, rgba(99, 102, 241, 0.08), transparent 50%),
    radial-gradient(ellipse 80% 50% at 0% 100%, rgba(5, 150, 105, 0.06), transparent 45%),
    linear-gradient(180deg, var(--bg-page) 0%, var(--bg-page-2) 100%);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(280px, 320px) 1fr;
  gap: 0;
  min-height: 100vh;
}

@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--sidebar-input-border);
  }
}

/* —— Sidebar —— */
.sidebar {
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  padding: 1.35rem 1.25rem 2rem;
  box-shadow: 4px 0 24px rgba(2, 6, 23, 0.35);
  position: relative;
}

.sidebar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #6366f1, #22d3ee, #34d399);
  opacity: 0.95;
}

.sidebar-brand {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a5b4fc;
  margin-bottom: 0.25rem;
}

.sidebar h2 {
  margin: 0 0 0.65rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sidebar-heading);
  font-weight: 600;
}

.sidebar label {
  display: block;
  font-size: 0.86rem;
  margin-bottom: 0.35rem;
  color: var(--sidebar-text);
  font-weight: 500;
}

.sidebar input[type="number"],
.sidebar select {
  width: 100%;
  padding: 0.5rem 0.65rem;
  margin-bottom: 0.95rem;
  border: 1px solid var(--sidebar-input-border);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: inherit;
  background: var(--sidebar-input-bg);
  color: var(--sidebar-text);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.sidebar input[type="number"]::placeholder {
  color: var(--sidebar-muted);
}

.sidebar input[type="number"]:hover,
.sidebar select:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
}

.sidebar input[type="number"]:focus,
.sidebar select:focus {
  outline: none;
  border-color: rgba(129, 140, 248, 0.8);
  box-shadow: 0 0 0 3px var(--sidebar-input-focus);
}

.sidebar input[type="file"] {
  font-size: 0.78rem;
  margin-bottom: 0.65rem;
  color: var(--sidebar-muted);
  width: 100%;
}

.sidebar input[type="file"]::file-selector-button {
  margin-right: 0.5rem;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--sidebar-input-border);
  background: rgba(255, 255, 255, 0.1);
  color: var(--sidebar-text);
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background var(--transition);
}

.sidebar input[type="file"]::file-selector-button:hover {
  background: rgba(255, 255, 255, 0.18);
}

.sidebar .hint {
  font-size: 0.74rem;
  color: var(--sidebar-muted);
  margin: -0.35rem 0 0.85rem;
  line-height: 1.45;
}

.sidebar .hint strong {
  color: #e2e8f0;
}

.sidebar .hint code {
  font-size: 0.85em;
  padding: 0.12rem 0.35rem;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.25);
  color: #a5f3fc;
}

.sidebar hr {
  border: none;
  border-top: 1px solid var(--sidebar-input-border);
  margin: 1.1rem 0;
}

.sidebar-today {
  font-size: 0.88rem;
  margin: 0 0 1rem;
  color: var(--sidebar-muted);
  line-height: 1.4;
}

.btn {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  background: linear-gradient(180deg, #6366f1 0%, #4f46e5 100%);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  margin-right: 0.45rem;
  margin-bottom: 0.45rem;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.35);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.btn:hover {
  filter: brightness(1.06);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.45);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--sidebar-text);
  border: 1px solid var(--sidebar-input-border);
  box-shadow: none;
  font-weight: 500;
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  filter: none;
}

/* —— Main —— */
.main-area {
  padding: 1.5rem 1.5rem 2.5rem;
  overflow-x: hidden;
}

.main-inner {
  max-width: 1180px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 1.75rem 2rem 2rem;
  animation: mainIn 0.45s ease-out;
}

@keyframes mainIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-header {
  margin-bottom: 1.35rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--border);
}

h1 {
  margin: 0 0 0.4rem;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #0f172a;
}

.sub {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
  max-width: 52ch;
}

.sub strong {
  color: var(--text);
  font-weight: 600;
}

.filter-foot {
  color: var(--text-secondary);
  font-size: 0.86rem;
  margin: 0.65rem 0 0;
  padding: 0.55rem 0.75rem;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(79, 70, 229, 0.15);
}

/* Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  padding: 1rem 1.1rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.toolbar label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 0.35rem;
}

.toolbar select {
  min-width: 11rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.toolbar select:hover {
  border-color: #a5b4fc;
}

.toolbar select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

/* Metrics */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.35rem;
}

.metric {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.metric::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  opacity: 0.85;
}

.metric:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: #cbd5e1;
}

.metric:nth-child(2)::before {
  background: linear-gradient(90deg, #059669, #34d399);
}

.metric:nth-child(3)::before {
  background: linear-gradient(90deg, #dc2626, #f87171);
}

.metric:nth-child(4)::before {
  background: linear-gradient(90deg, #d97706, #fbbf24);
}

.metric.metric-hc-case::before {
  background: linear-gradient(90deg, #4f46e5, #818cf8);
}

.metric.metric-hc-chat::before {
  background: linear-gradient(90deg, #0d9488, #2dd4bf);
}

.metric .v {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.metric .l {
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0;
  padding: 0.25rem;
  background: #f1f5f9;
  border-radius: var(--radius);
  width: fit-content;
  border: 1px solid var(--border);
}

.tabs button {
  padding: 0.5rem 1.15rem;
  border: none;
  background: transparent;
  border-radius: 9px;
  cursor: pointer;
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

.tabs button:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.7);
}

.tabs button.active {
  background: var(--surface);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.panel {
  display: none;
  margin-top: 1rem;
  padding: 1.15rem 1.2rem;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  animation: panelIn 0.25s ease-out;
}

@keyframes panelIn {
  from {
    opacity: 0.85;
  }
  to {
    opacity: 1;
  }
}

.panel.active {
  display: block;
}

.panel .hint {
  font-size: 0.86rem;
  color: var(--text-secondary);
  margin: 0 0 1rem;
  line-height: 1.5;
}

.panel .hint strong {
  color: var(--text);
}

/* Table */
.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.87rem;
}

table.data th,
table.data td {
  padding: 0.55rem 0.65rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

table.data th:nth-child(-n + 3),
table.data td:nth-child(-n + 3) {
  text-align: left;
}

table.data tbody tr {
  transition: background var(--transition);
}

table.data tbody tr:hover {
  background: #f8fafc;
}

table.data tbody tr:nth-child(even) {
  background: rgba(248, 250, 252, 0.65);
}

table.data tbody tr:nth-child(even):hover {
  background: #f1f5f9;
}

table.data th {
  background: linear-gradient(180deg, #f1f5f9 0%, #e8eef4 100%);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  position: sticky;
  top: 0;
  z-index: 1;
  border-bottom: 2px solid var(--border-strong);
}

table.data td {
  font-variant-numeric: tabular-nums;
}

table.data .st {
  font-weight: 600;
  font-size: 0.82rem;
}

table.data input {
  width: 4.75rem;
  padding: 0.35rem 0.45rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.86rem;
  color: var(--text);
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
}

table.data input:hover {
  border-color: #a5b4fc;
}

table.data input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

.chart-wrap {
  position: relative;
  height: 280px;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.caption {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 0.35rem;
}

footer {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
}

footer code {
  font-size: 0.85em;
  padding: 0.1rem 0.35rem;
  background: #f1f5f9;
  border-radius: 4px;
  color: var(--text-secondary);
}