/* ===========================================================================
   Parlee NeXuS NotifyCore — Dashboard stylesheet (design system)

   Structure:
     1. Design tokens (CSS variables, light + dark themes)
     2. Base / reset
     3. Layout (sidebar, topbar, content)
     4. Components (cards, tables, forms, buttons, badges, modals, toasts)
     5. Views (login, dashboard grid, charts)
     6. Responsive rules (mobile-first adjustments)

   Theming: the <html> element carries data-theme="light" | "dark".
   Brand accent colors come from the design tokens below; per-brand colors
   shown in lists are applied inline from the brand records themselves.
   ======================================================================== */

/* 1 ─ Design tokens ------------------------------------------------------ */
:root {
  --font: 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', sans-serif;
  --mono: 'Cascadia Code', Consolas, 'SF Mono', monospace;

  --accent: #4f46e5;
  --accent-strong: #4338ca;
  --accent-soft: rgba(79, 70, 229, 0.12);

  --ok: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;
  --info: #0284c7;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 14px rgba(0, 0, 0, 0.06);
  --sidebar-w: 240px;
  --topbar-h: 60px;
}

html[data-theme='light'] {
  --bg: #f3f4f6;
  --panel: #ffffff;
  --panel-2: #f9fafb;
  --border: #e5e7eb;
  --text: #111827;
  --text-soft: #6b7280;
  --hover: #f3f4f6;
}

html[data-theme='dark'] {
  --bg: #0f1117;
  --panel: #171a23;
  --panel-2: #1d212d;
  --border: #2a2f3d;
  --text: #e5e7eb;
  --text-soft: #9ca3af;
  --hover: #232838;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 6px 18px rgba(0, 0, 0, 0.35);
}

/* 2 ─ Base ---------------------------------------------------------------- */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: 0.85em; background: var(--panel-2); padding: 1px 5px; border-radius: 4px; }

h1 { font-size: 1.45rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
h3 { font-size: 0.95rem; margin: 0 0 8px; }

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

/* 3 ─ Layout --------------------------------------------------------------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  transition: transform 0.2s ease;
}

.sidebar .logo {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 18px; border-bottom: 1px solid var(--border);
  font-weight: 700; font-size: 1rem;
}
.sidebar .logo .mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #9333ea);
  display: grid; place-items: center; color: #fff; font-size: 1rem;
}
.sidebar .logo small { display: block; font-weight: 400; color: var(--text-soft); font-size: 0.7rem; }

.sidebar nav { flex: 1; overflow-y: auto; padding: 10px; }
.sidebar nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; margin: 1px 0; border-radius: var(--radius-sm);
  color: var(--text-soft); font-weight: 500;
}
.sidebar nav a:hover { background: var(--hover); color: var(--text); text-decoration: none; }
.sidebar nav a.active { background: var(--accent-soft); color: var(--accent); }
.sidebar nav .section { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-soft); padding: 14px 12px 4px; }

.sidebar .user-box {
  border-top: 1px solid var(--border); padding: 12px 16px;
  display: flex; align-items: center; gap: 10px; font-size: 0.85rem;
}
.sidebar .user-box .avatar {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-weight: 700;
}
.sidebar .user-box .meta { overflow: hidden; }
.sidebar .user-box .meta div { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar .user-box .meta small { color: var(--text-soft); }

.main { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-width: 0; }

.topbar {
  height: var(--topbar-h);
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
  padding: 0 20px;
  position: sticky; top: 0; z-index: 20;
}
.topbar .burger { display: none; }
.topbar .search { position: relative; flex: 1; max-width: 460px; }
.topbar .search input { width: 100%; padding-left: 34px; }
.topbar .search .icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-soft); }
.topbar .spacer { flex: 1; }

.search-results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  max-height: 420px; overflow-y: auto; z-index: 50; padding: 6px;
}
.search-results .group { font-size: 0.7rem; text-transform: uppercase; color: var(--text-soft); padding: 8px 10px 2px; }
.search-results .hit { display: block; padding: 7px 10px; border-radius: var(--radius-sm); color: var(--text); }
.search-results .hit:hover { background: var(--hover); text-decoration: none; }
.search-results .hit small { color: var(--text-soft); margin-left: 6px; }

.content { padding: 22px; max-width: 1280px; width: 100%; margin: 0 auto; }

.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head p { margin: 0; color: var(--text-soft); }
.page-head .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* 4 ─ Components ----------------------------------------------------------- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  margin-bottom: 18px;
}

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px;
}
.stat .label { color: var(--text-soft); font-size: 0.8rem; }
.stat .value { font-size: 1.7rem; font-weight: 700; margin-top: 2px; }
.stat .value.ok { color: var(--ok); }
.stat .value.danger { color: var(--danger); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  font: inherit; font-weight: 600; font-size: 0.875rem;
  padding: 8px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--panel);
  color: var(--text); cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-strong); }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.btn.danger:hover { background: color-mix(in srgb, var(--danger) 10%, transparent); }
.btn.sm { padding: 4px 9px; font-size: 0.8rem; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn.icon-only { padding: 8px 10px; }

/* Forms */
input, select, textarea {
  font: inherit; color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 11px; width: 100%;
}
input::placeholder, textarea::placeholder { color: var(--text-soft); }
textarea { resize: vertical; min-height: 80px; }
label.field { display: block; margin-bottom: 13px; }
label.field > span { display: block; font-weight: 600; font-size: 0.82rem; margin-bottom: 5px; }
label.field small.help { display: block; color: var(--text-soft); font-size: 0.78rem; margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius-sm); margin: 0 0 13px; }
fieldset legend { font-size: 0.8rem; font-weight: 600; color: var(--text-soft); padding: 0 6px; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-soft); }
tbody tr:hover { background: var(--hover); }
td .sub { display: block; color: var(--text-soft); font-size: 0.78rem; }
.table-empty { padding: 30px; text-align: center; color: var(--text-soft); }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }

/* Badges */
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 0.74rem; font-weight: 600;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text-soft);
}
.badge.green { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); border-color: transparent; }
.badge.red { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); border-color: transparent; }
.badge.amber { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); border-color: transparent; }
.badge.blue { color: var(--info); background: color-mix(in srgb, var(--info) 12%, transparent); border-color: transparent; }
.badge.purple { color: #9333ea; background: rgba(147, 51, 234, 0.12); border-color: transparent; }

.color-dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 6px; vertical-align: -1px; border: 1px solid var(--border); }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0, 0, 0, 0.45);
  display: grid; place-items: center; padding: 18px;
}
.modal {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  width: 100%; max-width: 560px; max-height: 90vh;
  display: flex; flex-direction: column;
}
.modal.wide { max-width: 760px; }
.modal header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border); font-weight: 700;
}
.modal .body { padding: 18px; overflow-y: auto; }
.modal footer {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 13px 18px; border-top: 1px solid var(--border);
}

/* Toasts */
#toasts { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--panel); border: 1px solid var(--border);
  border-left: 4px solid var(--info);
  border-radius: var(--radius-sm); box-shadow: var(--shadow);
  padding: 11px 16px; min-width: 240px; max-width: 380px;
  animation: toast-in 0.18s ease;
}
.toast.success { border-left-color: var(--ok); }
.toast.error { border-left-color: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

/* Filters bar */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.filters input, .filters select { width: auto; min-width: 140px; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tabs button {
  font: inherit; font-weight: 600; color: var(--text-soft);
  background: none; border: none; border-bottom: 2px solid transparent;
  padding: 9px 14px; cursor: pointer;
}
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Pagination */
.pager { display: flex; align-items: center; gap: 10px; justify-content: flex-end; margin-top: 12px; color: var(--text-soft); font-size: 0.85rem; }

/* 5 ─ Views ----------------------------------------------------------------*/
/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 18px; }
.login-card { width: 100%; max-width: 400px; }
.login-card .logo { text-align: center; margin-bottom: 18px; }
.login-card .logo .mark {
  width: 52px; height: 52px; margin: 0 auto 10px; border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #9333ea);
  display: grid; place-items: center; color: #fff; font-size: 1.5rem;
}
.login-card details { margin-top: 12px; color: var(--text-soft); font-size: 0.85rem; }
.login-card details summary { cursor: pointer; }

/* Charts */
.chart-box canvas { width: 100%; height: 260px; display: block; }
.chart-legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; font-size: 0.8rem; color: var(--text-soft); }
.chart-legend .key { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; }

/* Activity feed */
.feed { list-style: none; margin: 0; padding: 0; }
.feed li { display: flex; justify-content: space-between; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--border); }
.feed li:last-child { border-bottom: none; }
.feed time { color: var(--text-soft); font-size: 0.78rem; white-space: nowrap; }

/* 6 ─ Responsive ------------------------------------------------------------*/
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow); }
  .main { margin-left: 0; }
  .topbar .burger { display: inline-flex; }
  .grid-2, .form-row { grid-template-columns: 1fr; }
  .content { padding: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}
