/* MailAPI Admin Dashboard — dark theme, no external dependencies. */

:root {
  --bg: #0f1115;
  --bg-elevated: #151822;
  --bg-card: #1a1e29;
  --bg-hover: #21273450b3;
  --border: #2a2f3d;
  --text: #e7e9ee;
  --text-muted: #9aa1b2;
  --text-faint: #6b7280;
  --accent: #5b8def;
  --accent-hover: #7ba1f2;
  --accent-soft: #5b8def22;
  --success: #33c481;
  --success-soft: #33c48122;
  --danger: #ef5f5f;
  --danger-soft: #ef5f5f22;
  --warning: #e2a33d;
  --warning-soft: #e2a33d22;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  --sidebar-width: 220px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

/* ---------- App shell / layout ---------- */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: 20px 12px;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 30;
  transition: transform 0.2s ease;
}

.sidebar-brand {
  font-weight: 700;
  font-size: 16px;
  padding: 8px 12px 20px;
  color: var(--text);
  letter-spacing: 0.2px;
}

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

.sidebar-nav a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-weight: 500;
}

.sidebar-nav a:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.sidebar-nav a.active {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.sidebar-backdrop {
  display: none;
}

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

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  position: sticky;
  top: 0;
  z-index: 20;
}

.page-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  flex: 1;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger {
  display: none;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
}

.content {
  padding: 24px;
  max-width: 1200px;
  width: 100%;
}

/* ---------- Health pill ---------- */

.health-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.health-pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-faint);
}

.health-pill.health-ok {
  color: var(--success);
}

.health-pill.health-ok .dot {
  background: var(--success);
}

.health-pill.health-down {
  color: var(--danger);
}

.health-pill.health-down .dot {
  background: var(--danger);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  padding: 9px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

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

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

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0b1120;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}

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

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.btn-sm {
  padding: 6px 10px;
  font-size: 12px;
}

/* ---------- Forms / inputs ---------- */

.input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 9px 12px;
  font-size: 13px;
  width: 100%;
}

.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field-label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.form {
  display: flex;
  flex-direction: column;
}

.form-error {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 13px;
  margin: 4px 0 12px;
}

.input-with-action {
  display: flex;
  gap: 8px;
}

.input-with-action .input {
  flex: 1;
}

/* ---------- Toolbar ---------- */

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.toolbar-wrap {
  align-items: flex-end;
}

.toolbar .input {
  max-width: 320px;
}

.toolbar select.input {
  max-width: 200px;
}

/* ---------- Cards / stats ---------- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow);
}

.stat-card-value {
  font-size: 26px;
  font-weight: 700;
}

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

.stat-card-hint {
  color: var(--text-faint);
  font-size: 11px;
  margin-top: 6px;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
}

.panel-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 12px;
}

.empty-hint {
  color: var(--text-faint);
  font-size: 13px;
}

.hint-text {
  color: var(--text-muted);
  font-size: 12px;
  margin: 8px 0 16px;
}

.activity-list,
.error-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.activity-list li {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.error-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.error-meta {
  color: var(--text-faint);
  font-size: 12px;
  margin-top: 2px;
}

.back-link {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- Tables ---------- */

.table-wrapper {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.data-table th.sortable {
  cursor: pointer;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.row-clickable {
  cursor: pointer;
}

.row-clickable:hover {
  background: var(--bg-hover);
}

.table-empty {
  text-align: center;
  color: var(--text-faint);
  padding: 32px 14px;
}

.row-actions {
  display: flex;
  gap: 6px;
  flex-wrap: nowrap;
}

/* ---------- Badges ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-active,
.badge-success {
  background: var(--success-soft);
  color: var(--success);
}

.badge-disabled,
.badge-error {
  background: var(--danger-soft);
  color: var(--danger);
}

/* ---------- Masked secrets ---------- */

.masked-secret {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.masked-secret-value {
  background: var(--bg-elevated);
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

/* ---------- Detail views ---------- */

.detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.detail-header h2 {
  margin: 0;
  font-size: 20px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 10px 16px;
  margin: 0 0 20px;
}

.detail-grid dt {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  align-self: center;
}

.detail-grid dd {
  margin: 0;
  align-self: center;
}

.detail-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.error-detail {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  font-size: 12px;
  overflow-x: auto;
  white-space: pre-wrap;
}

/* ---------- Date range picker ---------- */

.date-range-picker {
  display: flex;
  gap: 12px;
}

.date-range-picker .field-label {
  margin-bottom: 0;
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.date-range-picker .input {
  width: auto;
}

/* ---------- Pagination ---------- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
}

.pagination-status {
  color: var(--text-muted);
  font-size: 12px;
}

/* ---------- Modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  margin: 0;
  font-size: 16px;
}

.modal-body {
  padding: 20px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

/* ---------- Toasts ---------- */

.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 13px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast-success {
  border-color: var(--success);
  color: var(--success);
}

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

/* ---------- Loading / error states ---------- */

.state-loading,
.state-error {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
}

.state-error p {
  margin-bottom: 12px;
  color: var(--danger);
}

/* ---------- Login page ---------- */

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(circle at top, #171b26, var(--bg));
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow);
}

.login-title {
  margin: 0 0 4px;
  font-size: 20px;
}

.login-subtitle {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 0 20px;
}

.login-submit {
  width: 100%;
  margin-top: 4px;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .sidebar {
    transform: translateX(-100%);
  }

  body.nav-open .sidebar {
    transform: translateX(0);
  }

  body.nav-open .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 25;
  }

  .main {
    margin-left: 0;
  }

  .hamburger {
    display: inline-flex;
  }

  .content {
    padding: 16px;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }
}