/**
 * ====================================================================
 * GOOGLE DESIGN SYSTEM: WHITE-BLUE (LIGHT) & BLACK-BLUE (DARK)
 * ====================================================================
 */

:root {
  /* Google White-Blue Palette (Default Light Mode) */
  --bg-app: #f8fafd;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f3f4;
  --bg-surface-hover: #f1f5fd;
  
  --primary: #1a73e8;
  --primary-hover: #1557b0;
  --primary-active: #0d47a1;
  --primary-light: #e8f0fe;
  --primary-text: #1967d2;
  
  --text-main: #202124;
  --text-muted: #5f6368;
  --text-inverse: #ffffff;
  
  --border-color: #dadce0;
  --border-light: #e8eaed;
  
  /* Status Colors (Google Material) */
  --color-success: #1e8e3e;
  --color-success-bg: #e6f4ea;
  --color-warning: #f9ab00;
  --color-warning-bg: #fef7e0;
  --color-danger: #d93025;
  --color-danger-bg: #fce8e6;
  
  /* Cloudflare Orange */
  --cf-orange: #f38020;
  --cf-orange-bg: #fff3e6;
  
  /* Elevation Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
  --shadow-md: 0 4px 6px -1px rgba(60, 64, 67, 0.15), 0 2px 4px -1px rgba(60, 64, 67, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(60, 64, 67, 0.2), 0 4px 6px -2px rgba(60, 64, 67, 0.1);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Google Black-Blue Palette (Dark Mode) */
[data-theme="dark"] {
  --bg-app: #131314;
  --bg-surface: #1e1f20;
  --bg-surface-elevated: #282a2c;
  --bg-surface-hover: #2f3338;
  
  --primary: #8ab4f8;
  --primary-hover: #aecbfa;
  --primary-active: #c2e7ff;
  --primary-light: rgba(138, 180, 248, 0.15);
  --primary-text: #8ab4f8;
  
  --text-main: #e8eaed;
  --text-muted: #9aa0a6;
  --text-inverse: #131314;
  
  --border-color: #3c4043;
  --border-light: #2d3135;
  
  --color-success: #81c995;
  --color-success-bg: rgba(129, 201, 149, 0.15);
  --color-warning: #fdd663;
  --color-warning-bg: rgba(253, 214, 99, 0.15);
  --color-danger: #f28b82;
  --color-danger-bg: rgba(242, 139, 130, 0.15);
  
  --cf-orange: #ff9d42;
  --cf-orange-bg: rgba(243, 128, 32, 0.18);
  
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.5), 0 1px 2px 0 rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6), 0 2px 4px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.7), 0 4px 8px -2px rgba(0, 0, 0, 0.5);
}

/* ================= Base Styles ================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Google Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

/* ================= Header & Navbar ================= */
.header-bar {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  cursor: pointer;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #1a73e8, #4285f4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 2px 6px rgba(26, 115, 232, 0.3);
}

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

.brand-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary-text);
  letter-spacing: 0.5px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* ================= Buttons ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  outline: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .btn-primary {
  color: #131314;
}

.btn-secondary {
  background-color: var(--bg-surface-elevated);
  color: var(--text-main);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--primary);
}

.btn-light {
  background-color: var(--primary-light);
  color: var(--primary-text);
}
.btn-light:hover {
  background-color: rgba(26, 115, 232, 0.2);
}

.btn-outline-danger {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--color-danger);
}
.btn-outline-danger:hover {
  background-color: var(--color-danger-bg);
  border-color: var(--color-danger);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}
.btn-icon:hover {
  background-color: var(--bg-surface-hover);
  color: var(--primary-text);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

/* ================= Main Container ================= */
.main-wrapper {
  max-width: 1240px;
  width: 100%;
  margin: 1.5rem auto;
  padding: 0 1.25rem;
  flex: 1;
}

/* ================= Cards ================= */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.card-header {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.card-body {
  padding: 1.5rem;
}

/* ================= Status Alert / Banner ================= */
.banner {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.9rem 1.15rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
}

.banner-info {
  background-color: var(--primary-light);
  color: var(--primary-text);
  border: 1px solid rgba(26, 115, 232, 0.2);
}

.banner-warning {
  background-color: var(--color-warning-bg);
  color: #b06000;
  border: 1px solid rgba(249, 171, 0, 0.3);
}

[data-theme="dark"] .banner-warning {
  color: #ffd86b;
}

.banner-success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(30, 142, 62, 0.3);
}

/* ================= Forms & Inputs ================= */
.form-group {
  margin-bottom: 1.15rem;
}

.form-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-control, .form-select {
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-size: 0.885rem;
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-help {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Subdomain Creator Input Group */
.subdomain-input-group {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.subdomain-input-group:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.subdomain-input-group input {
  border: none;
  padding: 0.65rem 0.9rem;
  font-size: 0.9rem;
  flex: 1;
  background: transparent;
  color: var(--text-main);
  outline: none;
}

.subdomain-input-group .domain-suffix {
  padding: 0.65rem 0.9rem;
  background-color: var(--bg-surface-elevated);
  color: var(--primary-text);
  font-weight: 500;
  border-left: 1px solid var(--border-color);
  white-space: nowrap;
  font-size: 0.85rem;
}

/* ================= Switch & Proxy Toggle ================= */
.proxy-toggle-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-elevated);
}

.proxy-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 0.875rem;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #bdc1c6;
  transition: .3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

input:checked + .slider {
  background-color: var(--cf-orange);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* ================= Zone Bar & Overview ================= */
.zone-selector-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.zone-selector-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 280px;
}

.zone-badge-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

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

.badge-proxied {
  background-color: var(--cf-orange-bg);
  color: var(--cf-orange);
  font-weight: 600;
}

.badge-dns {
  background-color: var(--bg-surface-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.badge-type {
  font-weight: 700;
  font-size: 0.75rem;
  min-width: 44px;
  text-align: center;
  justify-content: center;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.badge-type-A { background: rgba(26, 115, 232, 0.15); color: #1a73e8; }
.badge-type-AAAA { background: rgba(142, 36, 170, 0.15); color: #8e24aa; }
.badge-type-CNAME { background: rgba(0, 150, 136, 0.15); color: #00897b; }
.badge-type-TXT { background: rgba(67, 160, 71, 0.15); color: #2e7d32; }
.badge-type-MX { background: rgba(251, 140, 0, 0.15); color: #f57c00; }
.badge-type-NS { background: rgba(229, 57, 53, 0.15); color: #e53935; }
.badge-type-SRV { background: rgba(57, 73, 171, 0.15); color: #3949ab; }

[data-theme="dark"] .badge-type-A { color: #8ab4f8; }
[data-theme="dark"] .badge-type-CNAME { color: #4db6ac; }
[data-theme="dark"] .badge-type-TXT { color: #81c995; }
[data-theme="dark"] .badge-type-MX { color: #ffb74d; }

/* ================= Table & Filter Controls ================= */
.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.85rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-surface-elevated);
}

.filter-pills {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  max-width: 100%;
}

.pill-btn {
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.785rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pill-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-main);
}

.pill-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

[data-theme="dark"] .pill-btn.active {
  color: #131314;
}

.search-box {
  position: relative;
  min-width: 240px;
}

.search-box input {
  padding-left: 2.2rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
}

.search-box svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.dns-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.dns-table th {
  padding: 0.85rem 1.25rem;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  background-color: var(--bg-surface);
}

.dns-table td {
  padding: 0.95rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-main);
  vertical-align: middle;
}

.dns-table tbody tr:hover {
  background-color: var(--bg-surface-hover);
}

.record-name-cell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--text-main);
}

.record-name-link {
  color: var(--text-main);
  word-break: break-all;
}

.copy-mini-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
}
.copy-mini-btn:hover {
  color: var(--primary);
  background-color: var(--primary-light);
}

.record-content-cell {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.actions-cell {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.4rem;
}

/* ================= Modals ================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-dialog {
  transform: scale(1);
}

.modal-header {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  background-color: var(--bg-surface-elevated);
}

/* Code Snippet Box for config.js */
.code-snippet-box {
  background-color: #202124;
  color: #e8eaed;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.825rem;
  position: relative;
  margin-top: 0.75rem;
  overflow-x: auto;
  border: 1px solid #3c4043;
}

.snippet-copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.snippet-copy-btn:hover {
  background: var(--primary);
}

/* ================= Toast Notification ================= */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 380px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  color: #ffffff;
  background-color: #202124;
}

[data-theme="dark"] .toast {
  background-color: #2d2f31;
  border: 1px solid #3c4043;
}

.toast.toast-success {
  border-left: 4px solid var(--color-success);
}

.toast.toast-error {
  border-left: 4px solid var(--color-danger);
}

.toast.toast-info {
  border-left: 4px solid var(--primary);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ================= Login Page Overlay ================= */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background-color: var(--bg-app);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.auth-logo {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, #1a73e8, #4285f4);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.35);
}

.auth-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.auth-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

/* ================= Empty State ================= */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}
.empty-state svg {
  width: 48px;
  height: 48px;
  color: var(--border-color);
  margin-bottom: 0.75rem;
}

/* ================= Loading Spinner ================= */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: currentColor;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

.spinner-dark {
  border: 2px solid var(--border-color);
  border-top-color: var(--primary);
}

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

/* Footer */
.footer-bar {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.785rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  background: var(--bg-surface);
  margin-top: auto;
}