:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-muted: #f8f9fb;
  --border: #e4e7ec;
  --text: #101828;
  --muted: #667085;
  --sidebar: #ffffff;
  --primary: #111827;
  --primary-soft: #f1f5f9;
  --success: #067647;
  --warning: #b54708;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body.admin-shell {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: var(--bg);
}

.app-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 100vh;
}

.app-sidebar {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 20px 16px;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 700;
}

.app-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}

.app-nav {
  display: grid;
  gap: 6px;
}

.app-nav-link {
  padding: 11px 12px;
  border-radius: 10px;
  color: var(--muted);
  font-weight: 600;
}

.app-nav-link:hover,
.app-nav-link.active {
  background: var(--primary-soft);
  color: var(--text);
}

.app-sidebar-logout {
  margin-top: auto;
}

.app-main {
  min-width: 0;
}

.app-content {
  max-width: 1360px;
  margin: 0 auto;
  padding: 20px 24px 28px;
}

.page-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.page-title-group {
  display: grid;
  gap: 4px;
}

.page-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.page-meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.page-meta-inline {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.toolbar-inline {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toolbar-inline-compact {
  gap: 8px;
}

.toolbar-inline .form-control {
  width: 88px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.metric-card,
.section-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: none;
}

.metric-card {
  padding: 16px 18px;
}

.metric-card span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.metric-card strong {
  display: block;
  margin-top: 12px;
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.section-card .table-responsive {
  padding: 6px 16px 14px;
}

.section-body {
  padding: 16px;
}

.table th {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.table-main {
  display: grid;
  gap: 2px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  text-transform: capitalize;
}

.table td {
  vertical-align: middle;
}

.status-ready,
.status-confirmed,
.status-done {
  background: rgba(6, 118, 71, 0.12);
  color: var(--success);
}

.status-collecting,
.status-new {
  background: rgba(181, 71, 8, 0.12);
  color: var(--warning);
}

.status-error,
.status-cancelled {
  background: rgba(180, 35, 24, 0.12);
  color: var(--danger);
}

.empty-state {
  padding: 18px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  color: var(--muted);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 18px;
}

.chat-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(360px, 0.9fr);
  gap: 18px;
}

.chat-panel {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-height: 74vh;
  overflow: hidden;
}

.chat-messages {
  display: grid;
  gap: 12px;
  padding: 18px;
  overflow: auto;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}

.chat-bubble {
  display: grid;
  gap: 6px;
  max-width: 78%;
  padding: 12px 14px;
  border-radius: 14px;
}

.chat-bubble-in {
  justify-self: start;
  background: var(--panel-muted);
}

.chat-bubble-out {
  justify-self: end;
  background: #eef2ff;
}

.chat-bubble-text {
  white-space: pre-wrap;
}

.chat-bubble time {
  color: var(--muted);
  font-size: 0.75rem;
}

.chat-form {
  display: grid;
  gap: 10px;
  padding: 18px;
  background: var(--panel);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-field {
  display: grid;
  gap: 6px;
}

.form-field span {
  color: var(--muted);
  font-size: 0.84rem;
}

.form-field-wide {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  justify-content: flex-start;
}

.subtle-label {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stack-list {
  display: grid;
  gap: 10px;
}

.list-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--panel-muted);
}

.hint-box {
  margin-top: 18px;
  padding: 14px;
  border-radius: 12px;
  background: var(--panel-muted);
  border: 1px solid var(--border);
}

.hint-box p {
  margin: 0;
}

.calendar-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.7fr);
  gap: 18px;
}

#appointment-calendar {
  min-height: 720px;
}

.fc .fc-toolbar-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.fc .fc-button {
  border-radius: 10px;
  box-shadow: none;
}

.fc .fc-button-primary {
  background: var(--primary);
  border-color: var(--primary);
}

.fc .fc-button-primary:not(:disabled).fc-button-active,
.fc .fc-button-primary:not(:disabled):active,
.fc .fc-button-primary:hover {
  background: #1f2937;
  border-color: #1f2937;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(420px, 100%);
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
}

.auth-brand {
  margin-bottom: 18px;
  font-size: 1.1rem;
  font-weight: 700;
}

@media (max-width: 1200px) {
  .chat-layout,
  .calendar-layout,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .stats-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .app-sidebar {
    position: static;
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .app-content {
    padding: 18px;
  }
}

@media (max-width: 720px) {
  .page-toolbar,
  .toolbar-inline {
    flex-direction: column;
    align-items: stretch;
  }

  .stats-row,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .chat-bubble {
    max-width: 100%;
  }
}