/**
 * WhatsApp Integration Platform Stylesheet
 * Engineered by SaNDS Lab Middle East W.L.L.
 * Clean White Theme with WhatsApp Light Green Accents & Horizontal Navigation
 */

:root {
  --wa-green: #25D366;
  --wa-teal: #128C7E;
  --wa-dark-teal: #075E54;
  --wa-light-green: #DCF8C6;
  --wa-mint-bg: #E8F8F5;
  --wa-soft-green: #F0FDF4;
  --wa-border-green: #A7F3D0;
  
  --bg-app: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-sidebar: #FFFFFF;
  --bg-input: #F8FAFC;
  --border-color: #E2E8F0;
  --border-subtle: #F1F5F9;

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-inverse: #FFFFFF;

  --badge-otp: #3B82F6;
  --badge-utility: #10B981;
  --badge-marketing: #8B5CF6;
  --badge-service: #06B6D4;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
  --shadow-phone: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  font-size: 13.5px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =========================================================================
   TOP HORIZONTAL NAVIGATION BAR (SaNDS Lab Logo ONLY)
   ========================================================================= */
/* =========================================================================
   TOP 2-TIER HORIZONTAL HEADER (Brand Top Bar + Full Sub-Header Menu)
   ========================================================================= */
.app-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}

.header-top-bar {
  border-bottom: 1px solid var(--border-subtle);
  background: #FFFFFF;
}

.header-top-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}

.brand-logo {
  height: 48px;
  max-width: 240px;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.brand-logo:hover {
  transform: scale(1.02);
}

.brand-badge {
  background: var(--wa-mint-bg);
  color: var(--wa-dark-teal);
  border: 1px solid var(--wa-border-green);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--wa-green);
  box-shadow: 0 0 6px var(--wa-green);
}

/* Sub-Header Horizontal Navigation Bar (Fixed bottom of header) */
.header-nav-bar {
  background: #FFFFFF;
}

.header-nav-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}

.header-nav-inner::-webkit-scrollbar {
  display: none;
}

.horizontal-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  width: 100%;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease-in-out;
  white-space: nowrap;
}

.nav-item:hover {
  background: var(--wa-soft-green);
  color: var(--wa-dark-teal);
}

.nav-item.active {
  background: var(--wa-teal);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(18, 140, 126, 0.25);
}

.nav-item svg {
  flex-shrink: 0;
}

/* User Profile & Role Info in Header */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-profile-pill {
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  padding: 4px 10px 4px 6px;
  border-radius: var(--radius-full);
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  background: var(--wa-teal);
}

.user-details {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.user-role-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--wa-teal);
  letter-spacing: 0.4px;
}

.btn-logout {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 7px 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-logout:hover {
  background: #FEE2E2;
  border-color: #FCA5A5;
  color: #DC2626;
}

/* =========================================================================
   MAIN APP CONTAINER
   ========================================================================= */
.app-body {
  flex: 1;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
}

.page-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}

.page-title-group h1 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-title-group p {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin-top: 3px;
}

/* =========================================================================
   CARDS & GRIDS
   ========================================================================= */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* KPI Overview Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--wa-teal);
}

.kpi-card.accent-green::before { background: var(--wa-green); }
.kpi-card.accent-blue::before { background: #3B82F6; }
.kpi-card.accent-purple::before { background: #8B5CF6; }
.kpi-card.accent-amber::before { background: #F59E0B; }

.kpi-label {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.kpi-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.kpi-sub {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.kpi-sub.positive {
  color: #15803D;
  font-weight: 600;
}

/* =========================================================================
   COMPOSER & LIVE WHATSAPP PHONE MOCKUP
   ========================================================================= */
.composer-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
  align-items: flex-start;
}

@media (max-width: 992px) {
  .composer-layout {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 9px 13px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-family: inherit;
  color: var(--text-primary);
  transition: all 0.15s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--wa-teal);
  box-shadow: 0 0 0 3px rgba(18, 140, 126, 0.15);
}

.form-textarea {
  min-height: 90px;
  resize: vertical;
}

.param-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  background: var(--wa-soft-green);
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--wa-border-green);
}

/* Tariff Estimate Bar */
.tariff-estimate-banner {
  background: linear-gradient(135deg, #ECFDF5 0%, #E0F2FE 100%);
  border: 1.5px solid #A7F3D0;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
}

.tariff-info {
  display: flex;
  flex-direction: column;
}

.tariff-info .title {
  font-size: 12px;
  font-weight: 700;
  color: #065F46;
}

.tariff-info .breakdown {
  font-size: 11px;
  color: #047857;
}

.tariff-rate-badge {
  background: var(--wa-teal);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  letter-spacing: 0.3px;
}

/* WhatsApp Realistic Smartphone Mockup */
.phone-mockup-wrapper {
  position: sticky;
  top: 90px;
}

.phone-device {
  width: 360px;
  height: 620px;
  background: #111827;
  border-radius: 40px;
  padding: 12px;
  box-shadow: var(--shadow-phone);
  border: 3px solid #374151;
  position: relative;
  display: flex;
  flex-direction: column;
  margin: 0 auto;
}

.phone-notch {
  width: 140px;
  height: 18px;
  background: #111827;
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-speaker {
  width: 40px;
  height: 3px;
  background: #4B5563;
  border-radius: 2px;
}

.phone-screen {
  background: #ECE5DD url('https://user-images.githubusercontent.com/15075759/28719144-86dc0f70-73b1-11e7-911d-60d70fcded21.png') repeat;
  background-size: 320px;
  flex: 1;
  border-radius: 30px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.wa-chat-header {
  background: #075E54;
  color: #fff;
  padding: 24px 12px 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.wa-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #075E54;
  font-size: 13px;
}

.wa-user-info {
  flex: 1;
  overflow: hidden;
}

.wa-contact-name {
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.wa-verified-icon {
  color: #25D366;
}

.wa-status-text {
  font-size: 10px;
  color: #E2E8F0;
  opacity: 0.9;
}

.wa-chat-body {
  flex: 1;
  padding: 14px 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
}

.wa-date-pill {
  align-self: center;
  background: rgba(255, 255, 255, 0.85);
  font-size: 10px;
  font-weight: 600;
  color: #4B5563;
  padding: 3px 9px;
  border-radius: 6px;
  box-shadow: 0 1px 1px rgba(0,0,0,0.06);
  margin-bottom: 6px;
}

.wa-bubble {
  max-width: 88%;
  background: var(--wa-light-green);
  align-self: flex-end;
  padding: 8px 10px 6px;
  border-radius: 8px 0px 8px 8px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.12);
  position: relative;
  font-size: 12.5px;
  color: #111827;
  line-height: 1.4;
  word-break: break-word;
}

.wa-bubble.inbound {
  background: #FFFFFF;
  align-self: flex-start;
  border-radius: 0px 8px 8px 8px;
}

.wa-bubble-doc {
  background: #C4E9B3;
  padding: 7px 9px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 11.5px;
  font-weight: 600;
}

.wa-bubble-footer {
  font-size: 10px;
  color: #6B7280;
  margin-top: 4px;
  border-top: 1px dashed rgba(0,0,0,0.08);
  padding-top: 3px;
}

.wa-bubble-meta {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 4px;
  font-size: 9.5px;
  color: #6B7280;
  margin-top: 3px;
}

.wa-ticks {
  color: #3B82F6;
  font-size: 11px;
}

.wa-chat-input-bar {
  background: #F0F2F5;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.wa-dummy-input {
  background: #FFFFFF;
  flex: 1;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 11px;
  color: #9CA3AF;
}

/* =========================================================================
   DATATABLE COMPONENT & CONTROLS
   ========================================================================= */
.datatable-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 24px;
}

.datatable-header {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
}

.datatable-length {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-secondary);
  font-weight: 600;
}

.datatable-length select {
  padding: 5px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
}

.datatable-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.datatable-search {
  position: relative;
  display: flex;
  align-items: center;
}

.datatable-search input {
  padding: 7px 12px 7px 32px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 12.5px;
  width: 240px;
  color: var(--text-primary);
  transition: all 0.2s;
}

.datatable-search input:focus {
  width: 290px;
  background: #FFFFFF;
  border-color: var(--wa-teal);
  outline: none;
  box-shadow: 0 0 0 3px rgba(18, 140, 126, 0.15);
}

.datatable-search-icon {
  position: absolute;
  left: 10px;
  font-size: 12px;
  color: var(--text-muted);
  pointer-events: none;
}

.btn-export {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}

.btn-export:hover {
  background: var(--wa-soft-green);
  border-color: var(--wa-border-green);
  color: var(--wa-dark-teal);
}

.data-table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  text-align: left;
}

.data-table th {
  background: #F8FAFC;
  color: var(--text-secondary);
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 1.5px solid var(--border-color);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.data-table th.sortable {
  cursor: pointer;
  user-select: none;
  transition: background 0.15s, color 0.15s;
}

.data-table th.sortable:hover {
  background: #EEF2F6;
  color: var(--wa-dark-teal);
}

.sort-indicator {
  display: inline-block;
  margin-left: 6px;
  font-size: 10px;
  color: var(--text-muted);
}

.data-table th.sorted .sort-indicator {
  color: var(--wa-teal);
  font-weight: 800;
}

.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}

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

.data-table tr:hover td {
  background: var(--wa-soft-green);
}

/* DataTable Footer Pagination */
.datatable-footer {
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background: #FFFFFF;
  border-top: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-secondary);
}

.datatable-info {
  font-weight: 600;
}

.datatable-pagination {
  display: flex;
  align-items: center;
  gap: 4px;
}

.page-btn {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
}

.page-btn:hover:not(:disabled) {
  background: var(--wa-soft-green);
  border-color: var(--wa-border-green);
  color: var(--wa-dark-teal);
}

.page-btn.active {
  background: var(--wa-teal);
  border-color: var(--wa-teal);
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(18, 140, 126, 0.25);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge.cat-auth { background: #EFF6FF; color: #1D4ED8; border: 1px solid #BFDBFE; }
.badge.cat-utility { background: #F0FDF4; color: #15803D; border: 1px solid #BBF7D0; }
.badge.cat-marketing { background: #FAF5FF; color: #7E22CE; border: 1px solid #E9D5FF; }
.badge.cat-service { background: #ECFEFF; color: #0E7490; border: 1px solid #A5F3FC; }

.badge.status-read { background: #DCFCE7; color: #15803D; }
.badge.status-delivered { background: #E0E7FF; color: #4338CA; }
.badge.status-sent { background: #FEF3C7; color: #B45309; }
.badge.status-queued { background: #F3F4F6; color: #4B5563; }
.badge.status-failed { background: #FEE2E2; color: #B91C1C; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--wa-teal);
  color: #fff;
}

.btn-primary:hover {
  background: var(--wa-dark-teal);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--wa-green);
  color: #075E54;
  font-weight: 700;
}

.btn-success:hover {
  background: #1EBE5D;
}

.btn-secondary {
  background: #F1F5F9;
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: #E2E8F0;
  color: var(--text-primary);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 11.5px;
  border-radius: var(--radius-sm);
}

/* =========================================================================
   LOGIN SCREEN (Light Theme & Presets)
   ========================================================================= */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F0FDF4 0%, #E0F2FE 50%, #F8FAFC 100%);
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: 26px;
}

.login-logo {
  height: 54px;
  max-width: 260px;
  object-fit: contain;
  margin-bottom: 16px;
}

.login-header h2 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
}

.login-header p {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.preset-roles-box {
  background: var(--wa-soft-green);
  border: 1px solid var(--wa-border-green);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-bottom: 20px;
}

.preset-roles-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--wa-dark-teal);
  margin-bottom: 8px;
}

.preset-buttons-row {
  display: flex;
  gap: 6px;
}

.btn-preset {
  flex: 1;
  background: #fff;
  border: 1px solid var(--wa-border-green);
  color: var(--wa-dark-teal);
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-preset:hover {
  background: var(--wa-teal);
  color: #fff;
  border-color: var(--wa-teal);
}

/* =========================================================================
   API DEVELOPER HUB & CODE SNIPPETS
   ========================================================================= */
.code-box {
  background: #0F172A;
  color: #F8FAFC;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  padding: 16px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  position: relative;
  line-height: 1.5;
}

.code-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid #334155;
  font-size: 11px;
  color: #94A3B8;
  font-weight: 600;
}

.btn-copy-code {
  background: #1E293B;
  border: 1px solid #475569;
  color: #E2E8F0;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10.5px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-copy-code:hover {
  background: var(--wa-teal);
  color: #fff;
}

/* =========================================================================
   FOOTER (All Rights Reserved & Engineered by SaNDS Lab)
   ========================================================================= */
.app-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 16px 24px;
  margin-top: auto;
}

.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: 10px;
}

.footer-left {
  font-weight: 600;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-badge {
  background: var(--wa-soft-green);
  color: var(--wa-teal);
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
}