/* ─── Greenwich Internal Tools — Shared Design System ─────────────
   Used by: reddit-monitor, outbound-engine
   Source of truth for brand tokens, layout, and reusable components.
   ────────────────────────────────────────────────────────────────── */

:root {
  /* Greenwich Mercantile brand */
  --navy: #0A1628;
  --midnight: #162032;
  --cream: #FAFAF8;
  --paper: #FFFFFF;
  --black: #000000;
  --grey: #6B7280;
  --line: rgba(10, 22, 40, 0.1);
  --line-strong: rgba(10, 22, 40, 0.18);
  --accent-soft: rgba(10, 22, 40, 0.06);

  /* Semantic aliases */
  --bg: var(--cream);
  --bg-card: var(--paper);
  --bg-card-hover: var(--cream);
  --bg-input: var(--cream);
  --text: var(--grey);
  --text-dim: var(--grey);
  --text-bright: var(--navy);
  --border: var(--line);
  --border-strong: var(--line-strong);
  --danger: #B91C1C;
  --warning: #92600A;
  --success: #2D7D4F;
  --info: #3B6DAE;
  --shadow: none;

  /* Typography */
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font);
  background:
    linear-gradient(to right, rgba(10, 22, 40, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 22, 40, 0.03) 1px, transparent 1px),
    var(--cream);
  background-size: 60px 60px, 60px 60px, auto;
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── Layout ──────────────────────────────────────────────────────── */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 32px;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-logo h1 {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--navy);
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.app-logo h1 span {
  color: var(--grey);
  font-weight: 400;
}

.app-logo .subtitle {
  font-size: 0.72rem;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-top: 2px;
}

.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px;
}

/* ─── Navigation Tabs ─────────────────────────────────────────────── */

.nav-tabs {
  display: flex;
  gap: 0;
  background: transparent;
  padding: 0;
  border: none;
}

.nav-tab {
  padding: 10px 20px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--grey);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  letter-spacing: 0.03em;
}

.nav-tab:hover { color: var(--navy); }

.nav-tab.active {
  color: var(--navy);
  border-bottom-color: var(--navy);
  font-weight: 600;
}

.nav-tab .badge {
  background: var(--navy);
  color: var(--cream);
  font-size: 10px;
  padding: 2px 7px;
  font-weight: 700;
  min-width: 18px;
  text-align: center;
  border: 1px solid var(--navy);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── Section Headers ─────────────────────────────────────────────── */

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--black);
}

/* ─── Buttons ─────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--navy);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.btn-primary {
  background: var(--navy);
  color: var(--cream);
  border-color: var(--navy);
}
.btn-primary:hover {
  background: transparent;
  color: var(--navy);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--line-strong);
}
.btn-secondary:hover {
  border-color: var(--navy);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}
.btn-danger:hover {
  background: var(--danger);
  color: var(--cream);
}

.btn-ghost {
  background: transparent;
  color: var(--grey);
  border: 1px solid transparent;
  padding: 8px 12px;
}
.btn-ghost:hover {
  color: var(--navy);
  border-color: var(--line);
}

.btn-sm { padding: 6px 14px; font-size: 0.72rem; }
.btn-xs { padding: 4px 10px; font-size: 0.68rem; }

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ─── Cards ───────────────────────────────────────────────────────── */

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 20px 24px;
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: var(--line-strong);
}

/* ─── Status Indicators ───────────────────────────────────────────── */

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.active { background: var(--success); }
.status-dot.inactive { background: var(--line-strong); }
.status-dot.warning { background: var(--warning); }

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid;
}

/* ─── Agent/Engine Status Bar ─────────────────────────────────────── */

.agent-status-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.agent-status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--grey);
}

.agent-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-strong);
}

.agent-dot.running {
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(45, 125, 79, 0.15);
}

.agent-stat {
  font-size: 0.75rem;
  color: var(--grey);
}

/* ─── Drawer ──────────────────────────────────────────────────────── */

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 22, 40, 0.3);
  z-index: 199;
  display: none;
}

.drawer-overlay.visible { display: block; }

.drawer {
  position: fixed;
  top: 0;
  right: -560px;
  width: 540px;
  height: 100vh;
  background: var(--paper);
  border-left: 1px solid var(--line);
  z-index: 200;
  overflow-y: auto;
  transition: right 0.3s ease;
}

.drawer.open { right: 0; }

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 1;
}

.drawer-close {
  background: none;
  border: none;
  color: var(--grey);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}
.drawer-close:hover { color: var(--navy); }

.drawer-content { padding: 24px; }

.drawer-section {
  margin-bottom: 24px;
}

.drawer-section-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.drawer-field {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.85rem;
}

.drawer-field .label { color: var(--grey); }
.drawer-field .value { color: var(--navy); font-weight: 500; }

/* ─── Modal ───────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 22, 40, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.visible { display: flex; }

.modal {
  background: var(--paper);
  border: 1px solid var(--line);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.modal-header h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--black);
}

.modal-close {
  background: none;
  border: none;
  color: var(--grey);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}
.modal-close:hover { color: var(--navy); }

.modal-body { padding: 24px; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--line);
}

/* ─── Forms ───────────────────────────────────────────────────────── */

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  background: var(--cream);
  border: 1px solid var(--line);
  color: var(--navy);
  font-size: 0.92rem;
  font-family: var(--font);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--line-strong);
  background: var(--paper);
}

.form-group textarea { min-height: 80px; resize: vertical; line-height: 1.7; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-divider {
  height: 1px;
  background: var(--line);
  margin: 24px 0;
}

/* ─── Tables ──────────────────────────────────────────────────────── */

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 10px 16px;
  text-align: left;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--line);
  background: var(--cream);
}

.data-table td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(10, 22, 40, 0.04);
  font-size: 0.85rem;
}

.data-table tr:hover td {
  background: var(--accent-soft);
}

/* ─── Empty States ────────────────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--grey);
}

.empty-state .icon {
  font-size: 2rem;
  margin-bottom: 12px;
  opacity: 0.4;
}

.empty-state h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.85rem;
  max-width: 360px;
  margin: 0 auto;
}

/* ─── Toast ───────────────────────────────────────────────────────── */

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  background: var(--navy);
  color: var(--cream);
  font-size: 0.85rem;
  border: 1px solid var(--navy);
  animation: toast-in 0.3s ease;
}

.toast.error {
  background: var(--danger);
  border-color: var(--danger);
  color: var(--cream);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Spinner ─────────────────────────────────────────────────────── */

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--line);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Responsive ──────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .app-header { padding: 12px 16px; }
  .main-content { padding: 16px; }
  .drawer { width: 100%; right: -100%; }
  .nav-tabs { overflow-x: auto; }
}