/* ==========================================================================
   PrefiCX Design System — v2
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Backgrounds */
  --bg: #07090e;
  --surface: #0d1320;
  --elevated: #131d2e;
  --surface-hover: #18243a;

  /* Borders */
  --border: #1e2f48;
  --border-subtle: #152238;

  /* Text */
  --text: #e6ecf5;
  --text-secondary: #9fb0c8;
  --muted: #5d7896;

  /* Accent — primary blue */
  --accent: #4f8ef7;
  --accent-hover: #3478e6;
  --accent-subtle: rgba(79, 142, 247, 0.1);
  --accent-glow: rgba(79, 142, 247, 0.22);

  /* Status */
  --success: #12d98a;
  --success-subtle: rgba(18, 217, 138, 0.1);
  --warning: #f5a623;
  --warning-subtle: rgba(245, 166, 35, 0.1);
  --error: #f55353;
  --error-subtle: rgba(245, 83, 83, 0.1);
  --muted-subtle: rgba(93, 120, 150, 0.12);

  /* Layout */
  --sidebar-width: 244px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.55), 0 2px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.65);

  /* Transitions */
  --transition: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & base
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 0.9375rem;
}

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

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

/* App shell & sidebar
   ========================================================================== */

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

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-right: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.375rem 1.125rem 1.125rem;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.sidebar-brand::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.125rem;
  right: 1.125rem;
  height: 1px;
  background: linear-gradient(90deg, var(--border) 0%, transparent 100%);
}

.sidebar-brand-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #4f8ef7 0%, #6366f1 100%);
  box-shadow: 0 3px 12px rgba(79, 142, 247, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: box-shadow var(--transition);
}

.sidebar-brand:hover .sidebar-brand-icon {
  box-shadow: 0 4px 16px rgba(79, 142, 247, 0.55);
}

.sidebar-brand-icon svg {
  width: 18px;
  height: 18px;
  color: #fff;
}

.sidebar-brand-text {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}

/* Sidebar nav */

.sidebar-nav {
  flex: 1;
  padding: 0.875rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.sidebar-nav a,
.sidebar-nav .nav-item-disabled {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5625rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  position: relative;
}

.sidebar-nav a {
  color: var(--muted);
  text-decoration: none;
}

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

.sidebar-nav a.active {
  background: linear-gradient(90deg, var(--accent-subtle) 0%, rgba(79, 142, 247, 0.04) 100%);
  color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}

.sidebar-nav a.active .nav-icon {
  color: var(--accent);
}

.nav-icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  color: var(--muted);
  transition: color var(--transition);
}

.sidebar-nav a:hover .nav-icon {
  color: var(--text-secondary);
}

.nav-item-disabled {
  color: var(--border);
  cursor: default;
  user-select: none;
  opacity: 0.7;
}

.nav-item-disabled .nav-icon {
  color: var(--border);
}

.nav-soon-chip {
  margin-left: auto;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.125rem 0.4375rem;
  border-radius: 999px;
  background: var(--muted-subtle);
  color: var(--muted);
  border: 1px solid var(--border-subtle);
}

.nav-group {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.nav-group-label {
  padding: 0.25rem 0.875rem 0.375rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.nav-group-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem 0.625rem 1.375rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}

.nav-group-item:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.nav-group-item.active {
  background: var(--accent-subtle);
  color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}

.nav-group-item.active .nav-icon {
  color: var(--accent);
}

.sidebar-footer {
  padding: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.sidebar-footer a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5625rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.sidebar-footer a:hover {
  background: var(--elevated);
  color: var(--text-secondary);
}

/* Page content
   ========================================================================== */

.page-content {
  flex: 1;
  min-width: 0;
  padding: 2.25rem 2.75rem;
  max-width: 1140px;
}

.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  margin: 0 0 0.3125rem;
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text);
}

.page-header .lead {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Breadcrumb
   ========================================================================== */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: 1.375rem;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--transition);
}

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

.breadcrumb-sep {
  color: var(--border);
  font-size: 0.75rem;
}

.breadcrumb-current {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Cards
   ========================================================================== */

.card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color var(--transition-slow), box-shadow var(--transition-slow);
}

.card + .card {
  margin-top: 1.25rem;
}

.card-hover {
  cursor: pointer;
}

.card-hover:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
}

.card-header h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.card-header-left {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

/* Badges
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3125rem;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.badge-success {
  background: var(--success-subtle);
  color: var(--success);
}

.badge-error {
  background: var(--error-subtle);
  color: var(--error);
}

.badge-muted {
  background: var(--muted-subtle);
  color: var(--muted);
}

.badge-warning {
  background: var(--warning-subtle);
  color: var(--warning);
}

.badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

/* Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4375rem;
  padding: 0.5625rem 1.125rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition), box-shadow var(--transition), transform 100ms ease;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, #4f8ef7 0%, #5b72f9 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(79, 142, 247, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3f7fe8 0%, #4c63ea 100%);
  box-shadow: 0 4px 14px rgba(79, 142, 247, 0.45);
  color: #fff;
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 2px 6px rgba(79, 142, 247, 0.3);
}

.btn-primary:disabled {
  background: var(--elevated);
  color: var(--muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: var(--elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--muted);
  color: var(--text);
}

.btn-disabled {
  background: var(--elevated);
  color: var(--muted);
  cursor: not-allowed;
  border: 1px solid var(--border-subtle);
  opacity: 0.65;
}

.btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* Messages / flash banners
   ========================================================================== */

.messages {
  list-style: none;
  padding: 0;
  margin: 0 0 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.message {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid transparent;
  font-size: 0.875rem;
  font-weight: 450;
}

.message-icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  margin-top: 1px;
}

.message.success {
  background: var(--success-subtle);
  color: var(--success);
  border-left-color: var(--success);
}

.message.error {
  background: var(--error-subtle);
  color: var(--error);
  border-left-color: var(--error);
}

.message.warning {
  background: var(--warning-subtle);
  color: var(--warning);
  border-left-color: var(--warning);
}

/* Integration grid
   ========================================================================== */

.integration-grid {
  display: grid;
  gap: 1.125rem;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
}

.integration-card {
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-slow), box-shadow var(--transition-slow),
    transform var(--transition-slow);
}

.integration-card:hover {
  border-color: rgba(79, 142, 247, 0.35);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(79, 142, 247, 0.12);
  transform: translateY(-2px);
}

/* Platform icon badges */

.platform-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.platform-icon svg {
  width: 22px;
  height: 22px;
}

.platform-icon-sonar {
  background: rgba(79, 142, 247, 0.14);
  color: #4f8ef7;
  box-shadow: 0 2px 8px rgba(79, 142, 247, 0.2);
}

.platform-icon-splynx {
  background: rgba(168, 85, 247, 0.14);
  color: #a855f7;
  box-shadow: 0 2px 8px rgba(168, 85, 247, 0.2);
}

.platform-icon-powercode {
  background: rgba(245, 166, 35, 0.14);
  color: #f5a623;
  box-shadow: 0 2px 8px rgba(245, 166, 35, 0.2);
}

.integration-description {
  color: var(--muted);
  margin: 0 0 0.875rem;
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.6;
}

.integration-status {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin: 0 0 1.125rem;
  padding: 0.4375rem 0.75rem;
  background: var(--elevated);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  line-height: 1.5;
}

.integration-card-footer {
  margin-top: auto;
}

/* Stat grid
   ========================================================================== */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: 0.875rem;
  margin-bottom: 1.5rem;
}

.stat-box {
  background: var(--elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem 1.125rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
  transition: background var(--transition);
}

.stat-box-success::before { background: var(--success); opacity: 0.6; }
.stat-box-error::before   { background: var(--error);   opacity: 0.6; }
.stat-box-accent::before  { background: var(--accent);  opacity: 0.6; }

.stat-box:hover {
  border-color: var(--border);
}

.stat-box-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.065em;
  margin-bottom: 0.4375rem;
}

.stat-box-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.stat-box-value-sm {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.5;
}

.stat-box-value-success { color: var(--success); }
.stat-box-value-error   { color: var(--error); }
.stat-box-value-muted   { color: var(--muted); }

.stat-box-detail {
  color: var(--muted);
  font-size: 0.775rem;
  margin-top: 0.3125rem;
  line-height: 1.5;
}

/* Connection status banner
   ========================================================================== */

.connection-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: var(--elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.connection-banner-success {
  background: var(--success-subtle);
  border-color: rgba(18, 217, 138, 0.2);
  color: var(--success);
}

.connection-banner-error {
  background: var(--error-subtle);
  border-color: rgba(245, 83, 83, 0.2);
  color: var(--error);
}

.connection-banner-icon {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}

/* Forms
   ========================================================================== */

.config-form {
  display: grid;
  gap: 1.25rem;
}

.form-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  margin-bottom: 0.4375rem;
}

.form-field input[type="url"],
.form-field input[type="password"],
.form-field input[type="text"],
.form-field select {
  width: 100%;
  padding: 0.6875rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--elevated);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field input:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-field input::placeholder {
  color: var(--muted);
  opacity: 0.6;
}

.form-field.has-error input {
  border-color: var(--error);
  box-shadow: 0 0 0 3px var(--error-subtle);
}

.field-error {
  margin: 0.375rem 0 0;
  font-size: 0.8125rem;
  color: var(--error);
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding-top: 0.125rem;
}

/* Tables
   ========================================================================== */

.status-table-wrap {
  margin-bottom: 1.5rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.status-table-wrap h3 {
  margin: 0;
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.065em;
  background: var(--elevated);
  border-bottom: 1px solid var(--border-subtle);
}

.status-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.status-table th,
.status-table td {
  padding: 0.75rem 1rem;
  text-align: left;
}

.status-table th {
  background: var(--elevated);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.065em;
  border-bottom: 1px solid var(--border-subtle);
}

.status-table td {
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface);
  color: var(--text-secondary);
}

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

.status-table tbody tr {
  transition: background var(--transition);
}

.status-table tbody tr:hover td {
  background: var(--elevated);
  color: var(--text);
}

.status-table code {
  font-family: 'SF Mono', 'Fira Code', ui-monospace, monospace;
  font-size: 0.8125rem;
  color: var(--muted);
  background: var(--bg);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

/* Empty state
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: 3.5rem 2rem;
}

.empty-state-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 1.25rem;
  color: var(--muted);
  opacity: 0.5;
}

.empty-state h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.empty-state p {
  margin: 0 0 1.75rem;
  color: var(--muted);
  max-width: 340px;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Section divider
   ========================================================================== */

.section-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 1.5rem 0;
}

/* Sync action bar
   ========================================================================== */

.sync-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 0.5rem;
}

.sync-hint {
  font-size: 0.8125rem;
  color: var(--muted);
}

.webhook-section {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.form-field-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.webhook-help,
.webhook-events {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

.copy-field {
  display: flex;
  gap: 0.625rem;
  align-items: stretch;
}

.mono-value {
  flex: 1;
  min-width: 0;
  padding: 0.6875rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--elevated);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8125rem;
}

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

.copy-btn {
  flex-shrink: 0;
  white-space: nowrap;
}

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

/* NAS / settings pages
   ========================================================================== */

.page-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-header-actions {
  display: flex;
  gap: 0.625rem;
  flex-shrink: 0;
}

.text-muted {
  color: var(--muted);
}

.empty-inline {
  margin: 0;
}

.form-section {
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.form-section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.form-section-title {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.input-with-action {
  display: flex;
  gap: 0.625rem;
  align-items: stretch;
}

.input-with-action input {
  flex: 1;
  min-width: 0;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.5rem;
  margin: 0;
}

.detail-grid > div {
  min-width: 0;
}

.detail-grid dt {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.detail-grid dd {
  margin: 0;
  color: var(--text);
}

.detail-grid-full {
  grid-column: 1 / -1;
}

.table-actions {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
}

.copy-input {
  flex: 1;
  min-width: 0;
  padding: 0.6875rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--elevated);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8125rem;
}

.card-danger {
  border-color: rgba(245, 83, 83, 0.35);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

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

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

.btn-danger {
  background: var(--error);
  border-color: var(--error);
  color: #fff;
}

.btn-danger:hover {
  filter: brightness(1.08);
  color: #fff;
}

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

.btn-danger-text:hover {
  color: #ff7070;
  background: var(--error-subtle);
}

/* Responsive
   ========================================================================== */

@media (max-width: 768px) {
  .app-shell {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    padding: 0.375rem;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }

  .sidebar-brand {
    padding: 0.625rem 0.875rem;
    border-bottom: none;
    border-right: 1px solid var(--border-subtle);
  }

  .sidebar-brand::after {
    display: none;
  }

  .sidebar-brand-text {
    display: none;
  }

  .sidebar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 0.375rem;
    flex: 1;
  }

  .sidebar-nav a,
  .sidebar-nav .nav-item-disabled {
    padding: 0.5rem;
  }

  .sidebar-nav a.active {
    box-shadow: inset 0 -3px 0 var(--accent);
  }

  .sidebar-nav a span:not(.nav-soon-chip),
  .sidebar-nav .nav-item-disabled span:not(.nav-soon-chip) {
    display: none;
  }

  .nav-soon-chip {
    display: none;
  }

  .sidebar-footer {
    border-top: none;
    border-left: 1px solid var(--border-subtle);
    padding: 0.375rem;
  }

  .sidebar-footer a span {
    display: none;
  }

  .page-content {
    padding: 1.25rem 1rem;
  }

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

/* Customer search
   ========================================================================== */

.customer-search-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.customer-search-toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.customer-search-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.customer-search-input-wrap {
  position: relative;
}

.customer-search-input {
  width: 100%;
  padding: 0.6875rem 2.5rem 0.6875rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--elevated);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

.customer-search-input::placeholder {
  color: var(--muted);
}

.customer-search-spinner {
  position: absolute;
  right: 0.875rem;
  top: 50%;
  width: 1rem;
  height: 1rem;
  margin-top: -0.5rem;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: customer-search-spin 0.8s linear infinite;
}

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

.customer-search-meta {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

.alert-banner {
  margin-bottom: 1.25rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.alert-banner p {
  margin: 0 0 0.625rem;
  font-size: 0.9375rem;
}

.alert-banner-success {
  background: color-mix(in srgb, var(--success) 12%, transparent);
  border-color: color-mix(in srgb, var(--success) 35%, var(--border));
}

.alert-banner-warning {
  background: color-mix(in srgb, var(--warning) 12%, transparent);
  border-color: color-mix(in srgb, var(--warning) 35%, var(--border));
}

.alert-banner-muted {
  background: var(--elevated);
}

.kind-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.kind-chip {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.kind-chip-success {
  background: color-mix(in srgb, var(--success) 18%, transparent);
  color: var(--success);
}

.kind-chip-warning {
  background: color-mix(in srgb, var(--warning) 18%, transparent);
  color: var(--warning);
}

.kind-chip-muted {
  background: var(--border-subtle);
  color: var(--muted);
}

.row-sync-warning td:first-child {
  box-shadow: inset 3px 0 0 var(--warning);
}

.source-pill {
  display: inline-block;
  padding: 0.125rem 0.4375rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.source-pill-sonar {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
}

.source-pill-radius {
  background: color-mix(in srgb, var(--success) 15%, transparent);
  color: var(--success);
}

.ip-details-cell {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.ip-detail-line + .ip-detail-line {
  margin-top: 0.25rem;
}

.ip-length-note {
  margin-left: 0.25rem;
  cursor: help;
}

.ip-help-details {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.ip-help-details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}

.ip-help-details ul {
  margin: 0.625rem 0 0;
  padding-left: 1.25rem;
}

.unknown-addresses {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.unknown-addresses-title {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
}

.unknown-addresses ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
}

@media (max-width: 480px) {
  .stat-grid {
    grid-template-columns: 1fr;
  }

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