/* ============================================================
   MocTel v3 — "Telecom Noir" Design System
   ============================================================ */

:root {
  /* --- Palette --- */
  --bg-0: #0B0E11;
  --bg-1: #111419;
  --bg-2: #181C22;
  --bg-3: #1F242C;
  --bg-4: #272D37;
  --border: #2A3040;
  --border-light: #353D4D;

  --text-0: #F0F0F0;
  --text-1: #B8BCC6;
  --text-2: #7A8194;
  --text-3: #4E5566;

  --amber: #FFB800;
  --amber-dim: #B38200;
  --amber-glow: rgba(255, 184, 0, 0.12);
  --amber-glow-strong: rgba(255, 184, 0, 0.25);

  --cyan: #00D4AA;
  --cyan-dim: #009977;
  --cyan-glow: rgba(0, 212, 170, 0.12);

  --red: #FF4D6A;
  --red-dim: #B3364A;
  --red-glow: rgba(255, 77, 106, 0.12);

  --green: #34D399;
  --blue: #60A5FA;

  /* --- Typography --- */
  --font-ui: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* --- Sizes --- */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;

  --sidebar-width: 240px;
  --topbar-height: 56px;
}

/* ============================================================
   Light Theme
   ============================================================ */

[data-theme="light"] {
  --bg-0: #F4F5F7;
  --bg-1: #FFFFFF;
  --bg-2: #F0F1F3;
  --bg-3: #E4E6EB;
  --bg-4: #D5D8DF;
  --border: #D0D4DC;
  --border-light: #C0C5CF;

  --text-0: #1A1D23;
  --text-1: #3D4250;
  --text-2: #6B7186;
  --text-3: #9099AD;

  --amber: #D49800;
  --amber-dim: #A07200;
  --amber-glow: rgba(212, 152, 0, 0.10);
  --amber-glow-strong: rgba(212, 152, 0, 0.20);

  --cyan: #009E80;
  --cyan-dim: #007A63;
  --cyan-glow: rgba(0, 158, 128, 0.10);

  --red: #E03A54;
  --red-dim: #B02E43;
  --red-glow: rgba(224, 58, 84, 0.10);

  --green: #1DAD7A;
  --blue: #3B82F6;
}

/* Remove scan-line overlay in light mode */
[data-theme="light"] body::after { display: none; }

/* Scrollbar in light mode */
[data-theme="light"] ::-webkit-scrollbar-thumb { background: var(--bg-4); }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* Selection in light mode */
[data-theme="light"] ::selection {
  background: var(--amber);
  color: #FFFFFF;
}

/* Login box shadow in light mode */
[data-theme="light"] .login-box {
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.12);
}

/* Modal shadow in light mode */
[data-theme="light"] .modal {
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.15);
}

/* Toast shadow in light mode */
[data-theme="light"] .toast {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.10);
}

/* ============================================================
   Reset & Base
   ============================================================ */

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

html {
  font-size: 14px;
  /* Prevent iOS zoom on input focus */
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-ui);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
}

/* Scan-line overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--text-0); }

::selection {
  background: var(--amber);
  color: var(--bg-0);
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ============================================================
   Layout
   ============================================================ */

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: var(--topbar-height) 1fr;
  height: 100vh;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
}

/* --- Sidebar --- */

.sidebar {
  grid-area: sidebar;
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-brand {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  gap: 10px;
  flex-shrink: 0;
}

.sidebar-brand-icon {
  width: 28px;
  height: 28px;
  background: var(--amber);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  color: var(--bg-0);
  letter-spacing: -0.5px;
}

.sidebar-brand-text {
  font-weight: 700;
  font-size: 16px;
  color: var(--text-0);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.sidebar-brand-version {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
  margin-left: auto;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.sidebar-section {
  padding: 0 12px;
  margin-bottom: 8px;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-3);
  padding: 8px 12px 6px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s ease;
  cursor: pointer;
  position: relative;
}

.sidebar-link:hover {
  background: var(--bg-3);
  color: var(--text-0);
}

.sidebar-link.active {
  background: var(--amber-glow);
  color: var(--amber);
}

.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--amber);
  border-radius: 0 2px 2px 0;
}

.sidebar-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-link.active svg { opacity: 1; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* Tenant display in sidebar footer */
.sidebar-tenant {
  padding: 10px 12px;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.15s;
  margin: 0 8px 6px;
}

.sidebar-tenant:hover { background: var(--bg-3); }

.sidebar-tenant-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-tenant-code {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-3);
  margin-top: 1px;
}

.sidebar-tenant-switch {
  font-size: 10px;
  color: var(--amber);
  margin-top: 3px;
}

/* User line + logout */
.sidebar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  margin: 0 8px;
}

.sidebar-user-line {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.sidebar-user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-4);
  border: 2px solid var(--amber-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 11px;
  color: var(--amber);
  flex-shrink: 0;
}

.sidebar-user-email {
  font-size: 11px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-logout-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-3);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: all 0.15s;
}

.sidebar-logout-btn svg { width: 16px; height: 16px; }
.sidebar-logout-btn:hover { color: var(--red); border-color: var(--red-dim); background: var(--red-glow); }

/* --- Topbar --- */

.topbar {
  grid-area: topbar;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}

.topbar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-0);
}

.topbar-breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
}

.topbar-breadcrumb span { color: var(--text-2); }

.topbar-spacer { flex: 1; }

.topbar-settings {
  display: flex;
  align-items: center;
  gap: 4px;
}

.topbar-setting-btn {
  width: 32px;
  height: 32px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  transition: all 0.15s;
  padding: 0;
}

.topbar-setting-btn:hover {
  background: var(--bg-3);
  color: var(--text-0);
  border-color: var(--border-light);
}

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

.topbar-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
}

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

/* --- Main Content --- */

.main {
  grid-area: main;
  overflow-y: auto;
  padding: 24px;
  background: var(--bg-0);
}

.main-scroll {
  max-width: 1400px;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Login Screen
   ============================================================ */

.login-screen {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-0);
  position: relative;
}

.login-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, var(--amber-glow) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, var(--cyan-glow) 0%, transparent 50%);
}

.login-box {
  position: relative;
  width: 380px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.login-brand {
  text-align: center;
  margin-bottom: 32px;
}

.login-brand-icon {
  width: 48px;
  height: 48px;
  background: var(--amber);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 22px;
  color: var(--bg-0);
  margin-bottom: 16px;
}

.login-brand h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.login-brand p {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 4px;
  font-family: var(--font-mono);
}

.login-error {
  background: var(--red-glow);
  border: 1px solid var(--red-dim);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 12px;
  color: var(--red);
  display: none;
}

.login-error.show { display: block; }

/* ============================================================
   Cards & Panels
   ============================================================ */

.card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-0);
}

.card-body {
  padding: 20px;
}

.card-body.no-pad { padding: 0; }

/* Stat cards */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.stat-card.amber::after { background: var(--amber); }
.stat-card.cyan::after { background: var(--cyan); }
.stat-card.red::after { background: var(--red); }
.stat-card.blue::after { background: var(--blue); }

.stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-3);
  margin-bottom: 8px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--text-0);
  line-height: 1;
}

.stat-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  margin-top: 8px;
}

.stat-sub .up { color: var(--green); }
.stat-sub .down { color: var(--red); }

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

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

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-2);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-0);
  font-family: var(--font-ui);
  font-size: 13px;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-glow);
}

.form-input::placeholder { color: var(--text-3); }

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%237A8194' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

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

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  outline: none;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--amber);
  color: var(--bg-0);
  border-color: var(--amber);
}

.btn-primary:hover {
  background: #E6A600;
  box-shadow: 0 0 16px var(--amber-glow-strong);
}

.btn-secondary {
  background: var(--bg-3);
  color: var(--text-1);
  border-color: var(--border-light);
}

.btn-secondary:hover {
  background: var(--bg-4);
  color: var(--text-0);
}

.btn-danger {
  background: transparent;
  color: var(--red);
  border-color: var(--red-dim);
}

.btn-danger:hover {
  background: var(--red-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-2);
}

.btn-ghost:hover {
  background: var(--bg-3);
  color: var(--text-0);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

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

.table-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.table-search {
  flex: 1;
  max-width: 320px;
  position: relative;
}

.table-search svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-3);
  pointer-events: none;
}

.table-search input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-0);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}

.table-search input:focus {
  border-color: var(--amber);
}

.table-search input::placeholder { color: var(--text-3); }

.table-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  margin-left: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  padding: 10px 16px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-3);
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}

tbody tr:hover {
  background: var(--bg-2);
}

tbody td {
  padding: 10px 16px;
  font-size: 13px;
  vertical-align: middle;
}

.td-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-2);
}

.td-actions {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
}

/* ============================================================
   Badges & Status
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
  font-family: var(--font-mono);
}

.badge-active {
  background: rgba(52, 211, 153, 0.12);
  color: var(--green);
}

.badge-inactive {
  background: rgba(122, 129, 148, 0.12);
  color: var(--text-3);
}

.badge-amber {
  background: var(--amber-glow);
  color: var(--amber);
}

.badge-red {
  background: var(--red-glow);
  color: var(--red);
}

.badge-cyan {
  background: var(--cyan-glow);
  color: var(--cyan);
}

/* ============================================================
   Modal
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s ease;
}

.modal-overlay.hidden { display: none; }

.modal {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 540px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-0);
}

.modal-close {
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}

.modal-close:hover {
  background: var(--bg-3);
  color: var(--text-0);
}

.modal-body { padding: 20px; }

/* ============================================================
   Toast
   ============================================================ */

#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
}

.toast {
  padding: 12px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-0);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  animation: toastIn 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 260px;
}

.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.info { border-left: 3px solid var(--amber); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(12px); }
}

/* ============================================================
   Page Header
   ============================================================ */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-0);
}

.page-subtitle {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 2px;
}

/* ============================================================
   Chart
   ============================================================ */

.chart-container {
  position: relative;
  height: 320px;
  padding: 16px;
}

.chart-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chart-filter-btn {
  padding: 5px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-2);
  font-size: 12px;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.15s;
}

.chart-filter-btn:hover { border-color: var(--text-3); color: var(--text-0); }
.chart-filter-btn.active { border-color: var(--amber); color: var(--amber); background: var(--amber-glow); }

/* ============================================================
   Empty State
   ============================================================ */

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-3);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 15px;
  color: var(--text-2);
  margin-bottom: 6px;
}

.empty-state p {
  font-size: 13px;
}

/* Permission / access notice (denied, no-access, context error) */
.perm-notice {
  max-width: 460px;
  margin: 64px auto;
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.perm-notice-icon svg {
  width: 40px;
  height: 40px;
  color: var(--amber);
  opacity: 0.8;
  margin-bottom: 16px;
}
.perm-notice-title {
  font-size: 17px;
  color: var(--text-0);
  margin-bottom: 8px;
}
.perm-notice-msg {
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 6px;
}
.perm-notice-detail {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  margin-bottom: 20px;
  word-break: break-word;
}
.perm-notice .btn { margin-top: 12px; }

/* ============================================================
   Date range & filters
   ============================================================ */

.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-bar .form-input,
.filter-bar .form-select {
  width: auto;
  min-width: 160px;
}

/* ============================================================
   Chart fullscreen
   ============================================================ */

.chart-container:fullscreen {
  background: var(--bg-0);
  padding: 20px;
  height: 100vh !important;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chart-container:fullscreen canvas {
  max-height: 90vh;
}

/* Active legend button */
.chart-legend-btn.active {
  color: var(--amber);
  border-color: var(--amber-dim);
}

/* ============================================================
   CDR Table specifics
   ============================================================ */

.cdr-direction {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cdr-direction.inbound { color: var(--cyan); }
.cdr-direction.outbound { color: var(--amber); }

.cdr-duration {
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ============================================================
   Dashboard grid
   ============================================================ */

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

.dash-grid .card.full { grid-column: 1 / -1; }

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

/* --- Mobile hamburger button (hidden on desktop) --- */

.mobile-menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-1);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mobile-menu-btn svg { width: 20px; height: 20px; }

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 49;
}

/* --- Tablet (< 1024px) --- */

@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
  .filter-bar { flex-wrap: wrap; }

  :root { --sidebar-width: 0px; }

  /* Sidebar as slide-out drawer on tablets too */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop.open { display: block; }
  .mobile-menu-btn { display: flex; }

  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "topbar"
      "main";
  }

  .rec-panel { left: 0; }
}

/* --- Mobile (< 768px) --- */

@media (max-width: 768px) {
  :root { --topbar-height: 52px; }

  /* Topbar */
  .topbar {
    padding: 0 12px;
    gap: 10px;
  }

  .topbar-title { font-size: 14px; }
  .topbar-breadcrumb { display: none; }
  .topbar-status span { display: none; }

  /* Main content */
  .main { padding: 16px 12px; }

  /* Page headers */
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .page-title { font-size: 18px; }

  /* Cards */
  .card-header { padding: 12px 14px; flex-wrap: wrap; gap: 8px; }
  .card-body { padding: 14px; }

  /* Stats */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .stat-card { padding: 14px; }
  .stat-value { font-size: 22px; }

  /* Dashboard grid */
  .dash-grid { grid-template-columns: 1fr; gap: 12px; }

  /* Forms — 16px min prevents iOS auto-zoom on focus */
  .form-row { grid-template-columns: 1fr; }

  .form-input, .form-select, .form-textarea {
    font-size: 16px;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .filter-bar .form-group { margin: 0; }
  .filter-bar .form-input,
  .filter-bar .form-select { width: 100%; min-width: 0; }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn { width: 100%; justify-content: center; }

  /* Tables */
  .table-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .table-search { max-width: none; }
  .table-count { margin-left: 0; }

  thead th, tbody td {
    padding: 8px 10px;
    font-size: 12px;
  }

  .td-actions { gap: 2px; }

  /* Chart filters */
  .chart-filters { flex-wrap: wrap; }
  .chart-container { height: 240px; }

  /* Checkboxes */
  .checkbox-group { gap: 4px 10px; }

  /* Modal */
  .modal {
    width: 95%;
    max-width: none;
    margin: 16px;
    max-height: 85vh;
  }

  .modal-body { padding: 14px; }

  /* Player panel */
  .rec-panel {
    left: 0;
  }

  .rec-top {
    flex-wrap: nowrap;
    padding: 4px 8px;
    gap: 6px;
    min-height: 0;
  }

  .rec-info {
    flex: 1; min-width: 0;
    gap: 0;
    overflow: hidden;
    flex-direction: row;
    flex-wrap: nowrap;
  }
  .rec-info-item { display: none; }
  .rec-info-item:nth-child(1) { display: flex; }
  .rec-info-item:nth-child(2) { display: flex; }
  .rec-info-label { display: none; }
  .rec-info-value { font-size: 11px; overflow: hidden; text-overflow: ellipsis; }
  .rec-info-item:nth-child(1) .rec-info-value::after { content: ' \00b7 '; color: var(--text-3); }

  .rec-controls { flex-shrink: 0; gap: 4px; }
  .rec-btn { width: 28px; height: 28px; font-size: 11px; }
  .rec-btn.primary { width: 30px; height: 30px; }
  .rec-speed-btn { font-size: 10px; padding: 1px 6px; }
  .rec-time { font-size: 10px; min-width: 60px; }
  .rec-dl { padding: 2px 8px; font-size: 10px; }

  .rec-wave-area { padding: 2px 6px 4px; }

  .rec-ch-label { font-size: 7px; padding: 1px 4px; }
  .rec-channel-labels { left: 8px; top: 4px; }

  /* Tenant selector */
  .tenant-list { max-height: 50vh; }

  /* Login */
  .login-box {
    width: calc(100% - 32px);
    max-width: 380px;
    padding: 28px 20px;
  }
}

/* --- Small phones (< 400px) --- */

@media (max-width: 400px) {
  .stats-grid { grid-template-columns: 1fr; }

  .stat-value { font-size: 20px; }

  .sidebar-brand-text { font-size: 14px; }

  thead th, tbody td { padding: 6px 8px; font-size: 11px; }

  .btn { padding: 7px 12px; font-size: 12px; }
  .btn-sm { padding: 4px 8px; font-size: 11px; }

  .rec-btn { width: 28px; height: 28px; font-size: 11px; }
  .rec-btn.primary { width: 32px; height: 32px; }
  .rec-time { font-size: 10px; min-width: 60px; }
}

/* ============================================================
   Utility
   ============================================================ */

.flex { display: flex; }
.flex-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.text-mono { font-family: var(--font-mono); }
.text-amber { color: var(--amber); }
.text-cyan { color: var(--cyan); }
.text-muted { color: var(--text-3); }
.text-right { text-align: right; }
.hidden { display: none !important; }

.table-wrapper {
  overflow-x: auto;
  max-height: 60vh;
  overflow-y: auto;
}