/* Modern, minimal, deliberate design adhering strictly to AGENTS.md */
:root {
  --font-family: 'IBM Plex Sans Arabic', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* 9-step neutral ramp */
  --neutral-50: #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-400: #94a3b8;
  --neutral-500: #64748b;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;

  /* Accent & Semantic */
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;

  --border-radius-sm: 6px;
  --border-radius-card: 12px;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--neutral-50);
  color: var(--neutral-900);
  font-size: 14px;
  line-height: 1.5;
  direction: rtl;
  text-align: right;
  min-height: 100vh;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-card {
  background: #ffffff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--border-radius-card);
  padding: 24px;
  width: 100%;
  max-width: 420px;
}

.modal-large {
  max-width: 580px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: 16px;
}

.btn-close {
  background: transparent;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--neutral-500);
}

.title {
  font-size: 20px;
  font-weight: 600;
  margin-block-end: 8px;
}

.subtitle {
  font-size: 14px;
  color: var(--neutral-500);
  margin-block-end: 20px;
}

/* Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background-color: #ffffff;
  border-inline-end: 1px solid var(--neutral-200);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand h1 {
  font-size: 16px;
  font-weight: 700;
  color: var(--neutral-900);
}

.badge {
  font-size: 12px;
  padding: 2px 8px;
  background-color: var(--neutral-100);
  border-radius: var(--border-radius-sm);
  color: var(--neutral-600);
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--neutral-600);
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  text-align: right;
  cursor: pointer;
  transition: background-color 150ms ease-out, color 150ms ease-out;
}

.nav-item:hover {
  background-color: var(--neutral-100);
  color: var(--neutral-900);
}

.nav-item.active {
  background-color: var(--neutral-900);
  color: #ffffff;
}

.content {
  flex: 1;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.provider-pill {
  background-color: #ffffff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--border-radius-sm);
  padding: 6px 12px;
  display: flex;
  gap: 8px;
  font-size: 14px;
}

.actions {
  display: flex;
  gap: 8px;
}

/* Tabs */
.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Cards */
.card {
  background: #ffffff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--border-radius-card);
  padding: 24px;
}

.section-title {
  font-size: 16px;
  font-weight: 600;
  margin-block-end: 16px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.stat-card {
  background-color: #ffffff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--border-radius-card);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-card .label {
  font-size: 12px;
  color: var(--neutral-500);
}

.stat-card .value {
  font-size: 24px;
  font-weight: 700;
}

.stat-highlight {
  color: var(--accent);
}

.tab-heading {
  font-size: 18px;
  font-weight: 600;
  margin-block-end: 16px;
  color: var(--neutral-800);
}

.ops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  font-size: 14px;
}

.metric-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background-color: var(--neutral-50);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--neutral-200);
}

.counter-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-start: 4px;
}

.cost-estimate-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}

.ops-row {
  display: flex;
  gap: 32px;
  font-size: 14px;
}

/* Forms */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-block-end: 12px;
}

.field label {
  font-size: 12px;
  font-weight: 500;
  color: var(--neutral-700);
}

.field input, .field select, .field textarea {
  font-family: inherit;
  font-size: 14px;
  padding: 8px 12px;
  border: 1px solid var(--neutral-300);
  border-radius: var(--border-radius-sm);
  background-color: #ffffff;
  color: var(--neutral-900);
}

.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row {
  display: flex;
  gap: 16px;
}

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

.counter-label {
  font-size: 12px;
  color: var(--neutral-500);
}

/* Buttons */
.btn {
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 150ms ease-out;
}

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

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover);
}

.btn-secondary {
  background-color: #ffffff;
  border-color: var(--neutral-300);
  color: var(--neutral-700);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--neutral-100);
}

.btn-warning {
  background-color: var(--warning);
  color: #ffffff;
}

.btn-danger {
  background-color: var(--danger);
  color: #ffffff;
}

.btn-sm {
  padding: 4px 8px;
  font-size: 12px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: right;
  font-size: 14px;
  table-layout: auto;
}

.data-table th {
  padding: 10px 12px;
  border-block-end: 1px solid var(--neutral-300);
  color: var(--neutral-500);
  font-weight: 500;
  font-size: 12px;
  white-space: nowrap;
}

.data-table td {
  padding: 12px;
  border-block-end: 1px solid var(--neutral-200);
  vertical-align: middle;
}

/* Inbound message cell with robust layout protection against long/rubbish strings */
.inbound-body-cell {
  max-width: 380px;
  max-height: 80px;
  overflow-y: auto;
  overflow-x: hidden;
  word-break: break-word;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  line-height: 1.4;
  font-size: 13px;
  background-color: var(--neutral-50);
  border: 1px solid var(--neutral-200);
  border-radius: var(--border-radius-sm);
  padding: 6px 10px;
}

.empty-state {
  text-align: center;
  color: var(--neutral-400);
  padding: 32px;
}

.filters-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-block-end: 16px;
  flex-wrap: wrap;
}

.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-block-start: 16px;
}

.error-banner {
  background-color: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  margin-block-end: 12px;
}