/* style.css - CD Endpoint Monitor
   Design language leans on controld.com's own interface. */

:root {
  --cd-brand: #635bff;
  --cd-brand-hover: #4f46e5;
  --cd-bg: #0b0e14;
  --cd-surface: #161b26;
  --cd-border: #262e3d;
  --cd-text-main: #f8fafc;
  --cd-text-muted: #94a3b8;
  --cd-status-active: #10b981;
  --cd-status-inactive: #f59e0b;
  --cd-status-offline: #ef4444;
  --cd-status-paused: #64748b;
  --cd-status-never-seen: #38bdf8;

  --cd-radius: 10px;
  --cd-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

/* Light theme values (applied via [data-theme="light"] or prefers-color-scheme) */
:root[data-theme="light"],
:root:not([data-theme="dark"]) {
  --cd-bg: #f4f5f8;
  --cd-surface: #ffffff;
  --cd-border: #e2e5eb;
  --cd-text-main: #10131a;
  --cd-text-muted: #5c6472;
  --cd-shadow: 0 2px 10px rgba(20, 20, 40, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --cd-bg: #0b0e14;
    --cd-surface: #161b26;
    --cd-border: #262e3d;
    --cd-text-main: #f8fafc;
    --cd-text-muted: #94a3b8;
    --cd-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  }
}

:root[data-theme="dark"] {
  --cd-bg: #0b0e14;
  --cd-surface: #161b26;
  --cd-border: #262e3d;
  --cd-text-main: #f8fafc;
  --cd-text-muted: #94a3b8;
  --cd-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--cd-bg);
  color: var(--cd-text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  transition: background 0.15s ease, color 0.15s ease;
}

a { color: var(--cd-brand); text-decoration: none; }
a:hover { color: var(--cd-brand-hover); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--cd-border);
  background: var(--cd-surface);
}

.topbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
}

.topbar .brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cd-brand);
}

.topbar nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.topbar nav a, .topbar nav button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--cd-text-muted);
  background: none;
  border: none;
  font-size: 14px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
}

.topbar nav a:hover, .topbar nav button:hover {
  color: var(--cd-text-main);
  background: var(--cd-border);
}

/* ---------- Cards ---------- */
.card {
  background: var(--cd-surface);
  border: 1px solid var(--cd-border);
  border-radius: var(--cd-radius);
  box-shadow: var(--cd-shadow);
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 {
  margin-top: 0;
  font-size: 16px;
  font-weight: 600;
}

/* ---------- KPI row ---------- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.kpi {
  background: var(--cd-surface);
  border: 1px solid var(--cd-border);
  border-radius: var(--cd-radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.kpi:hover { border-color: var(--cd-brand); }
.kpi.active-filter { border-color: var(--cd-brand); box-shadow: 0 0 0 1px var(--cd-brand); }

.kpi .value { font-size: 24px; font-weight: 700; }
.kpi .label { color: var(--cd-text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }

@media (max-width: 720px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Search + toolbar ---------- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--cd-bg);
  border: 1px solid var(--cd-border);
  border-radius: 8px;
  padding: 8px 12px;
  flex: 1;
  min-width: 200px;
  color: var(--cd-text-muted);
}

.search-box input {
  border: none;
  background: none;
  outline: none;
  color: var(--cd-text-main);
  width: 100%;
  font-size: 14px;
}

.stale-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--cd-status-inactive);
  color: var(--cd-status-inactive);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

.fresh-note {
  color: var(--cd-text-muted);
  font-size: 12px;
}

/* ---------- Table ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead th {
  text-align: left;
  color: var(--cd-text-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 10px 12px;
  border-bottom: 1px solid var(--cd-border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

thead th .sort-icon { opacity: 0.5; vertical-align: -3px; }

tbody td {
  padding: 12px;
  border-bottom: 1px solid var(--cd-border);
  vertical-align: middle;
}

tbody tr:hover { background: rgba(99, 91, 255, 0.05); }
tbody tr.is-paused { opacity: 0.7; }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-active { background: rgba(16, 185, 129, 0.14); color: var(--cd-status-active); }
.badge-inactive { background: rgba(245, 158, 11, 0.14); color: var(--cd-status-inactive); }
.badge-offline { background: rgba(239, 68, 68, 0.14); color: var(--cd-status-offline); }
.badge-never_seen { background: rgba(56, 189, 248, 0.14); color: var(--cd-status-never-seen); }
.badge-paused { background: rgba(100, 116, 139, 0.18); color: var(--cd-status-paused); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--cd-brand);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn:hover { background: var(--cd-brand-hover); }
.btn.btn-secondary { background: var(--cd-border); color: var(--cd-text-main); }
.btn.btn-secondary:hover { background: var(--cd-status-paused); color: #fff; }
.btn.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Forms ---------- */
label { display: block; font-size: 13px; color: var(--cd-text-muted); margin-bottom: 6px; }

input[type="text"], input[type="password"], input[type="number"], select {
  width: 100%;
  background: var(--cd-bg);
  border: 1px solid var(--cd-border);
  color: var(--cd-text-main);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
}

input:focus, select:focus { border-color: var(--cd-brand); }

.form-row { margin-bottom: 16px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; color: var(--cd-text-main); }

.error-list { color: var(--cd-status-offline); font-size: 13px; margin: 8px 0; }
.success-note { color: var(--cd-status-active); font-size: 13px; margin: 8px 0; }
.warning-note {
  color: var(--cd-status-inactive);
  font-size: 13px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--cd-status-inactive);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 14px;
}

/* ---------- Auth pages ---------- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--cd-surface);
  border: 1px solid var(--cd-border);
  border-radius: var(--cd-radius);
  box-shadow: var(--cd-shadow);
  padding: 32px;
}

.auth-card h1 {
  font-size: 18px;
  margin-top: 0;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon { display: inline-block; }