/* DS Hosting Billing — design system */
:root {
  --ds-bg: #f4f6f9;
  --ds-surface: #ffffff;
  --ds-border: #e5e7eb;
  --ds-border-strong: #d1d5db;
  --ds-text: #111827;
  --ds-muted: #6b7280;
  --ds-primary: #2563eb;
  --ds-primary-hover: #1d4ed8;
  --ds-primary-soft: #eff6ff;
  --ds-success: #059669;
  --ds-success-soft: #ecfdf5;
  --ds-warning: #d97706;
  --ds-warning-soft: #fffbeb;
  --ds-danger: #dc2626;
  --ds-danger-soft: #fef2f2;
  --ds-info: #0284c7;
  --ds-info-soft: #f0f9ff;
  --ds-sidebar-width: 260px;
  --ds-radius: 0.75rem;
  --ds-radius-sm: 0.5rem;
  --ds-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
  --ds-font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  font-family: var(--ds-font);
  color: var(--ds-text);
  background: var(--ds-bg);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--ds-primary-hover);
}

/* Layout shells */
.ds-public-nav {
  background: var(--ds-surface);
  border-bottom: 1px solid var(--ds-border);
}

.ds-brand {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--ds-text);
  letter-spacing: -0.02em;
}

.ds-brand span {
  color: var(--ds-primary);
}

.ds-brand-logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
  color: inherit;
}

.ds-brand-logo:hover {
  color: inherit;
  opacity: 0.92;
}

.ds-brand-logo img {
  display: block;
  width: auto;
  height: 36px;
  max-width: 180px;
  object-fit: contain;
}

.ds-auth-logo img {
  height: 52px;
  max-width: 220px;
}

.ds-sidebar-logo img {
  height: 34px;
  max-width: 168px;
}

.ds-nav-logo img {
  height: 32px;
  max-width: 160px;
}

.ds-hero-logo img {
  height: 48px;
  max-width: 220px;
}

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

.ds-sidebar {
  width: var(--ds-sidebar-width);
  flex-shrink: 0;
  background: var(--ds-surface);
  border-right: 1px solid var(--ds-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 1020;
}

.ds-sidebar-brand {
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--ds-border);
}

.ds-sidebar-nav {
  padding: 0.75rem;
  flex: 1;
}

.ds-nav-section {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ds-muted);
  padding: 0.75rem 0.75rem 0.35rem;
}

.ds-nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--ds-radius-sm);
  color: #374151;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.ds-nav-link:hover {
  background: var(--ds-bg);
  color: var(--ds-text);
}

.ds-nav-link.active {
  background: var(--ds-primary-soft);
  color: var(--ds-primary);
  border-color: #bfdbfe;
}

.ds-nav-link i,
.ds-nav-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.9;
}

.ds-sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--ds-border);
  font-size: 0.85rem;
  color: var(--ds-muted);
}

.ds-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.ds-topbar {
  background: var(--ds-surface);
  border-bottom: 1px solid var(--ds-border);
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ds-content {
  padding: 1.5rem;
  flex: 1;
}

.ds-footer {
  border-top: 1px solid var(--ds-border);
  padding: 1.25rem 0;
  color: var(--ds-muted);
  font-size: 0.875rem;
}

/* Cards */
.ds-card {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  box-shadow: var(--ds-shadow);
}

.ds-card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--ds-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ds-card-body {
  padding: 1.25rem;
}

.ds-card-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

/* Page chrome */
.ds-page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.ds-page-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.ds-page-subtitle {
  margin: 0.25rem 0 0;
  color: var(--ds-muted);
  font-size: 0.925rem;
}

/* Stats */
.ds-stat {
  padding: 1.15rem 1.25rem;
}

.ds-stat-label {
  color: var(--ds-muted);
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.ds-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.ds-stat-meta {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--ds-muted);
}

/* Tables */
.ds-table-wrap {
  overflow-x: auto;
}

.table.ds-table {
  margin: 0;
  font-size: 0.9rem;
}

.table.ds-table thead th {
  background: #f9fafb;
  color: #4b5563;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--ds-border);
  white-space: nowrap;
  padding: 0.75rem 1rem;
}

.table.ds-table tbody td {
  padding: 0.85rem 1rem;
  vertical-align: middle;
  border-color: var(--ds-border);
  color: #1f2937;
}

.table.ds-table tbody tr:hover {
  background: #fafbfc;
}

/* Badges / pills */
.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.3;
  border: 1px solid transparent;
}

.ds-badge-success {
  background: var(--ds-success-soft);
  color: var(--ds-success);
  border-color: #a7f3d0;
}

.ds-badge-warning {
  background: var(--ds-warning-soft);
  color: var(--ds-warning);
  border-color: #fde68a;
}

.ds-badge-danger {
  background: var(--ds-danger-soft);
  color: var(--ds-danger);
  border-color: #fecaca;
}

.ds-badge-info {
  background: var(--ds-info-soft);
  color: var(--ds-info);
  border-color: #bae6fd;
}

.ds-badge-muted {
  background: #f3f4f6;
  color: #4b5563;
  border-color: var(--ds-border);
}

.ds-badge-primary {
  background: var(--ds-primary-soft);
  color: var(--ds-primary);
  border-color: #bfdbfe;
}

/* Buttons */
.btn-primary {
  --bs-btn-bg: var(--ds-primary);
  --bs-btn-border-color: var(--ds-primary);
  --bs-btn-hover-bg: var(--ds-primary-hover);
  --bs-btn-hover-border-color: var(--ds-primary-hover);
  --bs-btn-active-bg: #1e40af;
  --bs-btn-active-border-color: #1e40af;
}

.btn-outline-primary {
  --bs-btn-color: var(--ds-primary);
  --bs-btn-border-color: #93c5fd;
  --bs-btn-hover-bg: var(--ds-primary);
  --bs-btn-hover-border-color: var(--ds-primary);
}

.btn {
  border-radius: var(--ds-radius-sm);
  font-weight: 500;
}

.btn-sm {
  border-radius: 0.4rem;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-icon svg {
  width: 16px;
  height: 16px;
}

/* Forms */
.form-label {
  font-weight: 500;
  font-size: 0.875rem;
  color: #374151;
}

.form-control,
.form-select {
  border-color: var(--ds-border-strong);
  border-radius: var(--ds-radius-sm);
  padding: 0.55rem 0.75rem;
}

.form-control:focus,
.form-select:focus {
  border-color: #93c5fd;
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.15);
}

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

.ds-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

/* Auth portal (BillManager-style) */
.ds-auth-page {
  min-height: 100vh;
  background:
    radial-gradient(1200px 500px at 50% -10%, #dbeafe 0%, transparent 55%),
    var(--ds-bg);
}

.ds-auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.ds-auth-panel {
  width: 100%;
  max-width: 400px;
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  padding: 1.75rem 1.5rem 1.25rem;
}

.ds-auth-logo {
  font-size: 1.35rem;
}

.ds-auth-links a {
  font-size: 0.8125rem;
  color: var(--ds-muted);
}

.ds-auth-links a:hover {
  color: var(--ds-primary);
}

.ds-auth-wrap {
  min-height: calc(100vh - 140px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.ds-auth-card {
  width: 100%;
  max-width: 440px;
}

.ds-order-card {
  transition: border-color 0.15s ease, background 0.15s ease;
}

.ds-order-card:hover {
  border-color: #bfdbfe;
  background: var(--ds-primary-soft);
}

.ds-order-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ds-primary-soft);
  color: var(--ds-primary);
  flex-shrink: 0;
}

.ds-order-icon svg {
  width: 20px;
  height: 20px;
}

.ds-plan-price {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.ds-plan-price small {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ds-muted);
}

.ds-feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ds-feature-list li {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  padding: 0.4rem 0;
  font-size: 0.9rem;
  color: #374151;
}

.ds-feature-list li svg {
  width: 16px;
  height: 16px;
  color: var(--ds-success);
  margin-top: 0.15rem;
  flex-shrink: 0;
}

/* Empty / error */
.ds-empty {
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--ds-muted);
}

.ds-empty svg {
  width: 40px;
  height: 40px;
  margin-bottom: 0.75rem;
  opacity: 0.55;
}

.ds-error-code {
  font-size: 4rem;
  font-weight: 750;
  letter-spacing: -0.04em;
  color: var(--ds-primary);
  line-height: 1;
}

/* Ticket thread */
.ds-thread {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ds-message {
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  padding: 1rem 1.15rem;
  background: #fff;
}

.ds-message.staff {
  background: var(--ds-primary-soft);
  border-color: #bfdbfe;
}

.ds-message-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--ds-muted);
  margin-bottom: 0.5rem;
}

/* Alerts */
.alert {
  border-radius: var(--ds-radius-sm);
  border-width: 1px;
}

/* Mobile sidebar */
.ds-sidebar-backdrop {
  display: none;
}

@media (max-width: 991.98px) {
  .ds-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }

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

  .ds-sidebar-backdrop.show {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.35);
    z-index: 1010;
  }
}

@media (min-width: 992px) {
  .ds-sidebar-toggle {
    display: none !important;
  }
}