/* ══════════════════════════════════════════════════════════════════════════
   Mail Sender Service — Dark-first design
   Kleuren en radii komen 1-op-1 uit de Flutter app (app_colors.dart)
   ══════════════════════════════════════════════════════════════════════════ */

:root {
  --surface: #1C1E2C;
  --card: #252838;
  --card-hover: #2E3142;
  --primary: #4CD964;
  --primary-dark: #3AAF50;
  --error: #FF6B6B;
  --error-muted: #C07070;
  --info: #5B9FE4;
  --warning: #FFB84D;
  --text-primary: #F0F0F0;
  --text-secondary: #8A8D9E;
  --outline: #3E4158;
  --radius-card: 20px;
  --radius-sub: 16px;
  --radius-btn: 14px;
  --radius-pill: 20px;
  --font-title: 'Quando', serif;
  --font-body: 'Quicksand', sans-serif;
}

[data-theme="light"] {
  --surface: #F0F0F0;
  --card: #FFFFFF;
  --card-hover: #E8E8EC;
  --primary: #3AAF50;
  --primary-dark: #2E8B40;
  --error: #E05555;
  --error-muted: #C07070;
  --info: #4080C0;
  --warning: #E0A030;
  --text-primary: #202020;
  --text-secondary: #606878;
  --outline: #D0D0D8;
}

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

body {
  background: var(--surface);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
}

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

#app {
  display: flex;
  height: 100vh;
}

#sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--card);
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  border-right: 1px solid var(--outline);
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px 24px;
}

.logo {
  font-size: 24px;
  color: var(--primary);
}

.logo-text {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
}

.nav-items {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.15s;
}

.nav-item:hover {
  background: var(--card-hover);
  color: var(--text-primary);
}

.nav-item.active {
  color: var(--primary);
  background: rgba(76, 217, 100, 0.08);
  border-left: 3px solid var(--primary);
}

.nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--outline);
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  margin-bottom: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  user-select: none;
}

.theme-toggle:hover { color: var(--text-primary); }

.connection-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

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

.status-dot.connected { background: var(--primary); }
.status-dot.disconnected { background: var(--error); }

#content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.page { display: none; }
.page.active { display: block; }

/* ── Kaarten ─────────────────────────────────────────────────────────── */

.card {
  background: var(--card);
  border-radius: var(--radius-card);
  padding: 20px;
  margin-bottom: 16px;
  transition: background 0.2s, box-shadow 0.2s;
}

[data-theme="light"] .card {
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.05);
}

.card-sub {
  background: var(--card-hover);
  border-radius: var(--radius-sub);
  padding: 16px;
  margin-bottom: 12px;
}

.card-title {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title .icon { color: var(--primary); }

.page-title {
  font-family: var(--font-title);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  padding: 0 4px;
}

/* ── Knoppen ─────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  border: none;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--primary);
  color: var(--surface);
}

.btn-primary:hover { background: var(--primary-dark); }

.btn-danger {
  background: var(--error);
  color: white;
}

.btn-danger:hover { background: var(--error-muted); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--outline);
  color: var(--text-primary);
}

.btn-outline:hover { background: var(--card-hover); }

.btn-sm { padding: 5px 10px; font-size: 12px; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Statistiek badges ───────────────────────────────────────────────── */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--card-hover);
  border-radius: var(--radius-sub);
  padding: 16px;
  text-align: center;
}

.stat-value {
  font-family: var(--font-title);
  font-size: 28px;
  font-weight: 700;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.stat-value.green { color: var(--primary); }
.stat-value.red { color: var(--error); }
.stat-value.blue { color: var(--info); }
.stat-value.orange { color: var(--warning); }

/* ── Status badge ────────────────────────────────────────────────────── */

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}

.badge-lg {
  padding: 6px 14px;
  font-size: 13px;
}

.badge-success { background: rgba(76, 217, 100, 0.15); color: var(--primary); }
.badge-error { background: rgba(255, 107, 107, 0.15); color: var(--error); }
.badge-warning { background: rgba(255, 184, 77, 0.15); color: var(--warning); }
.badge-info { background: rgba(91, 159, 228, 0.15); color: var(--info); }
.badge-muted { background: var(--card-hover); color: var(--text-secondary); }

/* ── Tabel ───────────────────────────────────────────────────────────── */

.table-wrap { overflow-x: auto; }

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

th {
  text-align: left;
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--outline);
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(62, 65, 88, 0.3);
  font-size: 13px;
}

tr:hover td { background: rgba(46, 49, 66, 0.3); }

/* ── Formulieren ─────────────────────────────────────────────────────── */

select, input[type="text"], input[type="number"] {
  background: var(--card-hover);
  border: 1px solid var(--outline);
  border-radius: var(--radius-btn);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 8px 12px;
  outline: none;
  transition: border-color 0.15s;
}

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

label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
  display: block;
}

.form-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

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

#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--card);
  border: 1px solid var(--outline);
  border-radius: var(--radius-sub);
  padding: 12px 16px;
  font-size: 13px;
  min-width: 280px;
  animation: slideIn 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast.success { border-left: 3px solid var(--primary); }
.toast.error { border-left: 3px solid var(--error); }
.toast.info { border-left: 3px solid var(--info); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ── Log lijst ───────────────────────────────────────────────────────── */

.log-entry {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(62, 65, 88, 0.3);
  font-size: 13px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.log-level {
  font-size: 11px;
  font-weight: 600;
  min-width: 50px;
  text-transform: uppercase;
}

.log-level.info { color: var(--info); }
.log-level.warning { color: var(--warning); }
.log-level.error { color: var(--error); }

.log-time {
  color: var(--text-secondary);
  font-size: 12px;
  min-width: 75px;
}

.log-message { flex: 1; word-break: break-word; }

.log-domain {
  font-size: 11px;
  color: var(--text-secondary);
  background: var(--card-hover);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

/* ── Filters ─────────────────────────────────────────────────────────── */

.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: center;
}

/* ── Processor controls ──────────────────────────────────────────────── */

.processor-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Domain status ───────────────────────────────────────────────────── */

.domain-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(62, 65, 88, 0.3);
}

.domain-item:last-child { border-bottom: none; }

.domain-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.domain-dot.connected { background: var(--primary); }
.domain-dot.disconnected { background: var(--error); }
.domain-dot.disabled { background: var(--text-secondary); }

.domain-name { font-weight: 600; }
.domain-detail { font-size: 12px; color: var(--text-secondary); }

/* ── Scrollbar ───────────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--outline);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ── Empty state ─────────────────────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

.empty-state .icon { font-size: 48px; margin-bottom: 12px; }

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

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
}

.modal {
  background: var(--card);
  border-radius: var(--radius-card);
  padding: 24px;
  max-width: 700px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-title {
  font-family: var(--font-title);
  font-size: 18px;
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

/* ── Mail preview ────────────────────────────────────────────────────── */

.mail-preview-frame {
  width: 100%;
  height: 300px;
  border: 1px solid var(--outline);
  border-radius: var(--radius-sub);
  background: white;
}

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

.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--outline);
}

.tab {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ── Slider ──────────────────────────────────────────────────────────── */

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--outline);
  border-radius: 3px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
}

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

@media (max-width: 768px) {
  #sidebar { width: 60px; min-width: 60px; }
  .sidebar-header span, .nav-item span:last-child, .sidebar-footer span:last-child { display: none; }
  .nav-item { justify-content: center; padding: 12px; }
  .nav-icon { margin: 0; }
  #content { padding: 12px; }
}