/* ============================================
   星华StarAD-DSP - 户外广告程序化投放平台
   Dark Theme Stylesheet
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0c1222;
  --bg-secondary: #111a2e;
  --bg-card: #162036;
  --bg-hover: #1c2a46;
  --border-color: rgba(56, 132, 244, 0.10);
  --text-primary: #e8edf5;
  --text-secondary: #8b9dc3;
  --text-muted: #546484;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-violet: #7c8cf5;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --sidebar-width: 220px;
  --header-height: 56px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* --- Light Theme Variables --- */
[data-theme="light"] {
  --bg-primary: #f5f7fa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #f0f2f5;
  --border-color: rgba(0, 0, 0, 0.08);
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --text-muted: #a0aec0;
  --accent-blue: #2563eb;
  --accent-cyan: #0891b2;
  --accent-violet: #6366f1;
  --accent-rose: #e11d48;
  --accent-amber: #d97706;
  --accent-emerald: #059669;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* --- Light Theme: Element Plus Overrides --- */
[data-theme="light"] .el-menu {
  --el-menu-bg-color: #ffffff;
}

[data-theme="light"] .el-input__wrapper {
  background-color: #f9fafb !important;
  border-color: #e5e7eb;
}

[data-theme="light"] .el-input__wrapper:hover {
  border-color: rgba(37, 99, 235, 0.4);
}

[data-theme="light"] .el-input__wrapper.is-focus {
  border-color: #2563eb !important;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12) !important;
}

[data-theme="light"] .el-input__inner {
  color: #1a202c !important;
}

[data-theme="light"] .el-input__inner::placeholder {
  color: #a0aec0 !important;
}

[data-theme="light"] .el-button--default {
  background-color: #ffffff;
  border-color: #e5e7eb;
  color: #1a202c;
}

[data-theme="light"] .el-button--default:hover {
  background-color: #f0f2f5;
  border-color: rgba(37, 99, 235, 0.4);
  color: #2563eb;
}

[data-theme="light"] .el-button--primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border-color: #2563eb;
}

[data-theme="light"] .el-table {
  --el-table-bg-color: #ffffff;
  --el-table-tr-bg-color: #ffffff;
  --el-table-header-bg-color: #f9fafb;
  --el-table-row-hover-bg-color: #f0f7ff;
  --el-table-border-color: #e5e7eb;
  --el-table-text-color: #1a202c;
  --el-table-header-text-color: #4a5568;
}

[data-theme="light"] .el-card {
  --el-card-bg-color: #ffffff;
  --el-card-border-color: #e5e7eb;
  background: #ffffff;
  border-color: #e5e7eb;
}

[data-theme="light"] .el-dialog {
  --el-dialog-bg-color: #ffffff;
  border-color: #e5e7eb;
}

[data-theme="light"] .el-select-dropdown {
  background-color: #ffffff !important;
  border-color: #e5e7eb !important;
}

[data-theme="light"] .el-select-dropdown__item {
  color: #1a202c;
}

[data-theme="light"] .el-select-dropdown__item.hover,
[data-theme="light"] .el-select-dropdown__item:hover {
  background-color: #f0f7ff;
}

[data-theme="light"] .el-pagination .btn-prev,
[data-theme="light"] .el-pagination .btn-next,
[data-theme="light"] .el-pager li {
  background-color: #ffffff !important;
  color: #4a5568 !important;
  border-color: #e5e7eb;
}

[data-theme="light"] .el-pager li.is-active {
  background-color: #2563eb !important;
  color: #ffffff !important;
  border-color: #2563eb;
}

[data-theme="light"] .el-dropdown-menu {
  background-color: #ffffff !important;
  border-color: #e5e7eb !important;
}

[data-theme="light"] .el-dropdown-menu__item {
  color: #1a202c !important;
}

[data-theme="light"] .el-dropdown-menu__item:hover {
  background-color: #f0f7ff !important;
  color: #2563eb !important;
}

[data-theme="light"] .el-message {
  --el-message-bg-color: #ffffff;
  border-color: #e5e7eb;
}

[data-theme="light"] .el-notification {
  --el-notification-bg-color: #ffffff;
  border-color: #e5e7eb;
}

[data-theme="light"] .el-tag--info {
  background-color: rgba(74, 85, 104, 0.08);
  color: #4a5568;
}

[data-theme="light"] .el-tag--success {
  background-color: rgba(5, 150, 105, 0.08);
  color: #059669;
}

[data-theme="light"] .el-tag--warning {
  background-color: rgba(217, 119, 6, 0.08);
  color: #d97706;
}

[data-theme="light"] .el-tag--danger {
  background-color: rgba(225, 29, 72, 0.08);
  color: #e11d48;
}

[data-theme="light"] .el-tag--primary {
  background-color: rgba(37, 99, 235, 0.08);
  color: #2563eb;
}

[data-theme="light"] .el-loading-mask {
  background-color: rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .el-drawer {
  background-color: #ffffff !important;
}

[data-theme="light"] .el-overlay {
  background-color: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .el-picker-panel {
  background-color: #ffffff !important;
  border-color: #e5e7eb !important;
}

[data-theme="light"] .el-popover.el-popper {
  background-color: #ffffff !important;
  border-color: #e5e7eb !important;
}

[data-theme="light"] .el-tooltip__popper {
  background-color: #1a202c !important;
  color: #ffffff !important;
}

[data-theme="light"] .el-textarea__inner {
  background-color: #f9fafb !important;
  border-color: #e5e7eb;
  color: #1a202c !important;
}

[data-theme="light"] .el-form-item__label {
  color: #4a5568 !important;
}

[data-theme="light"] .el-select .el-input__wrapper {
  background-color: #f9fafb !important;
}

[data-theme="light"] .el-date-editor .el-input__wrapper {
  background-color: #f9fafb !important;
}

/* --- Light Theme: Sidebar --- */
[data-theme="light"] .sidebar-light {
  background: #ffffff !important;
  border-right: 1px solid #e5e7eb !important;
}

[data-theme="light"] .sidebar-light .sidebar-logo-text {
  color: #1a202c !important;
}

[data-theme="light"] .sidebar-light .el-menu {
  background-color: #ffffff !important;
}

[data-theme="light"] .sidebar-light .el-menu-item,
[data-theme="light"] .sidebar-light .el-sub-menu__title {
  color: #4a5568 !important;
}

[data-theme="light"] .sidebar-light .el-menu-item:hover,
[data-theme="light"] .sidebar-light .el-sub-menu__title:hover {
  background-color: #f0f7ff !important;
  color: #2563eb !important;
}

[data-theme="light"] .sidebar-light .el-menu-item.is-active {
  background: rgba(37, 99, 235, 0.08) !important;
  color: #2563eb !important;
}

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

html,
body {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

html.landing-active,
html.landing-active body {
  overflow: auto;
  overflow-x: hidden;
  height: auto;
}

html.landing-active #app {
  height: auto;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
    "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #6fa3ff;
}

img {
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}

input, button, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

#app {
  height: 100%;
  width: 100%;
}

/* --- Layout Classes --- */
.app-layout {
  display: flex;
  height: 100vh;
  width: 100%;
  overflow: hidden;
}

.app-sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 100;
  transition: width var(--transition-normal), min-width var(--transition-normal);
}

.app-sidebar.collapsed {
  width: 64px;
  min-width: 64px;
}

.app-sidebar .sidebar-logo {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-color);
  gap: 10px;
  flex-shrink: 0;
}

.app-sidebar .sidebar-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
  flex-shrink: 0;
}

.app-sidebar .sidebar-logo .logo-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
}

.app-sidebar .sidebar-menu {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 0;
}

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.app-header {
  height: var(--header-height);
  min-height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 90;
}

.app-header .header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-header .header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-header .header-right .notification-badge {
  position: relative;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 20px;
  transition: color var(--transition-fast);
}

.app-header .header-right .notification-badge:hover {
  color: var(--accent-blue);
}

.app-header .header-right .notification-badge .badge-dot {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 8px;
  height: 8px;
  background: var(--accent-rose);
  border-radius: 50%;
  border: 2px solid var(--bg-secondary);
}

.app-header .header-right .user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.app-header .header-right .user-info:hover {
  background: var(--bg-hover);
}

.app-header .header-right .user-info .user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}

.app-header .header-right .user-info .user-name {
  font-size: 13px;
  color: var(--text-primary);
}

.app-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 20px 24px;
  background: var(--bg-primary);
}

.app-content-full {
  flex: 1;
  overflow: hidden;
  background: var(--bg-primary);
}

/* --- Element Plus Overrides: Menu --- */
.el-menu {
  background-color: transparent;
  border-right: none !important;
}

.el-menu-item,
.el-sub-menu__title {
  color: var(--text-secondary) !important;
  height: 44px;
  line-height: 44px;
  margin: 2px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.el-menu-item:hover,
.el-sub-menu__title:hover {
  background-color: var(--bg-hover) !important;
  color: var(--text-primary) !important;
}

.el-menu-item.is-active {
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.15), rgba(79, 140, 255, 0.08)) !important;
  color: var(--accent-blue) !important;
  position: relative;
}

.el-menu-item.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--accent-blue);
  border-radius: 0 2px 2px 0;
}

.el-menu-item .el-icon,
.el-sub-menu__title .el-icon {
  color: inherit !important;
  margin-right: 8px;
}

.el-sub-menu .el-menu-item {
  padding-left: 52px !important;
  height: 40px;
  line-height: 40px;
}

.el-menu--collapse .el-menu-item,
.el-menu--collapse .el-sub-menu__title {
  margin: 2px 4px;
}

/* --- Element Plus Overrides: Table --- */
.el-table {
  --el-table-bg-color: var(--bg-card);
  --el-table-tr-bg-color: var(--bg-card);
  --el-table-header-bg-color: var(--bg-secondary);
  --el-table-row-hover-bg-color: var(--bg-hover);
  --el-table-border-color: var(--border-color);
  --el-table-text-color: var(--text-primary);
  --el-table-header-text-color: var(--text-secondary);
  --el-table-current-row-bg-color: rgba(79, 140, 255, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.el-table th.el-table__cell {
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.el-table td.el-table__cell {
  border-bottom-color: var(--border-color);
}

.el-table--striped .el-table__body tr.el-table__row--striped td.el-table__cell {
  background-color: rgba(255, 255, 255, 0.02);
}

.el-table .el-table__empty-block {
  background: var(--bg-card);
}

.el-table .el-table__empty-text {
  color: var(--text-muted);
}

/* --- Element Plus Overrides: Card --- */
.el-card {
  --el-card-bg-color: var(--bg-card);
  --el-card-border-color: var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

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

.el-card__header {
  border-bottom-color: var(--border-color);
  padding: 16px 20px;
  font-weight: 600;
}

.el-card__body {
  padding: 20px;
}

/* --- Element Plus Overrides: Dialog --- */
.el-dialog {
  --el-dialog-bg-color: var(--bg-card);
  --el-dialog-border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.el-dialog__header {
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  margin-right: 0;
}

.el-dialog__title {
  color: var(--text-primary);
  font-weight: 600;
}

.el-dialog__headerbtn .el-dialog__close {
  color: var(--text-muted);
}

.el-dialog__headerbtn:hover .el-dialog__close {
  color: var(--text-primary);
}

.el-dialog__body {
  color: var(--text-primary);
  padding: 24px;
}

.el-dialog__footer {
  border-top: 1px solid var(--border-color);
  padding: 12px 24px;
}

.el-overlay {
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

/* --- Element Plus Overrides: Form & Inputs --- */
.el-form-item__label {
  color: var(--text-secondary) !important;
  font-weight: 500;
}

.el-input__wrapper {
  background-color: var(--bg-secondary) !important;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: none !important;
  transition: border-color var(--transition-fast);
}

.el-input__wrapper:hover {
  border-color: rgba(79, 140, 255, 0.3);
}

.el-input__wrapper.is-focus {
  border-color: var(--accent-blue) !important;
  box-shadow: 0 0 0 2px rgba(79, 140, 255, 0.15) !important;
}

.el-input__inner {
  color: var(--text-primary) !important;
}

.el-input__inner::placeholder {
  color: var(--text-muted) !important;
}

.el-input__prefix,
.el-input__suffix {
  color: var(--text-muted);
}

.el-textarea__inner {
  background-color: var(--bg-secondary) !important;
  border: 1px solid var(--border-color);
  color: var(--text-primary) !important;
  border-radius: var(--radius-sm);
  box-shadow: none !important;
}

.el-textarea__inner:hover {
  border-color: rgba(79, 140, 255, 0.3);
}

.el-textarea__inner:focus {
  border-color: var(--accent-blue) !important;
  box-shadow: 0 0 0 2px rgba(79, 140, 255, 0.15) !important;
}

.el-select .el-input__wrapper {
  background-color: var(--bg-secondary) !important;
}

.el-select-dropdown {
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-md) !important;
}

.el-select-dropdown__item {
  color: var(--text-primary);
}

.el-select-dropdown__item.hover,
.el-select-dropdown__item:hover {
  background-color: var(--bg-hover);
}

.el-select-dropdown__item.selected {
  color: var(--accent-blue);
  font-weight: 600;
}

.el-date-editor .el-input__wrapper {
  background-color: var(--bg-secondary) !important;
}

.el-picker-panel {
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-primary);
}

.el-picker-panel__body {
  color: var(--text-primary);
}

.el-date-table th {
  color: var(--text-muted);
  border-bottom-color: var(--border-color);
}

.el-date-table td.normal .el-date-table-cell__text {
  color: var(--text-primary);
}

.el-date-table td.today .el-date-table-cell__text {
  color: var(--accent-blue);
}

.el-date-table td.available:hover .el-date-table-cell__text {
  background-color: var(--bg-hover);
}

.el-date-table td.current:not(.disabled) .el-date-table-cell__text {
  background-color: var(--accent-blue);
  color: #fff;
}

/* --- Element Plus Overrides: Button --- */
.el-button {
  --el-button-hover-bg-color: var(--bg-hover);
  --el-button-hover-border-color: var(--border-color);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.el-button--default {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.el-button--default:hover {
  background-color: var(--bg-hover);
  border-color: rgba(79, 140, 255, 0.3);
  color: var(--accent-blue);
}

.el-button--primary {
  --el-button-bg-color: var(--accent-blue);
  --el-button-border-color: var(--accent-blue);
  background: linear-gradient(135deg, var(--accent-blue), #3b7aed);
  border-color: var(--accent-blue);
}

.el-button--primary:hover {
  background: linear-gradient(135deg, #6fa3ff, var(--accent-blue));
  border-color: #6fa3ff;
}

.el-button--success {
  --el-button-bg-color: var(--accent-emerald);
  --el-button-border-color: var(--accent-emerald);
}

.el-button--danger {
  --el-button-bg-color: var(--accent-rose);
  --el-button-border-color: var(--accent-rose);
}

.el-button--warning {
  --el-button-bg-color: var(--accent-amber);
  --el-button-border-color: var(--accent-amber);
  color: #1a1a2e;
}

.el-button--info {
  --el-button-bg-color: var(--text-muted);
  --el-button-border-color: var(--text-muted);
}

.el-button.is-text {
  color: var(--text-secondary);
}

.el-button.is-text:hover {
  color: var(--accent-blue);
  background: rgba(79, 140, 255, 0.08);
}

.el-button.is-link {
  color: var(--accent-blue);
}

.el-button.is-link:hover {
  color: #6fa3ff;
}

/* --- Element Plus Overrides: Tag --- */
.el-tag {
  border-radius: var(--radius-sm);
  border: none;
  font-size: 12px;
  font-weight: 500;
}

.el-tag--info {
  background-color: rgba(148, 163, 184, 0.15);
  color: var(--text-secondary);
}

.el-tag--success {
  background-color: rgba(52, 211, 153, 0.15);
  color: var(--accent-emerald);
}

.el-tag--warning {
  background-color: rgba(251, 191, 36, 0.15);
  color: var(--accent-amber);
}

.el-tag--danger {
  background-color: rgba(251, 113, 133, 0.15);
  color: var(--accent-rose);
}

.el-tag--primary {
  background-color: rgba(79, 140, 255, 0.15);
  color: var(--accent-blue);
}

/* --- Element Plus Overrides: Pagination --- */
.el-pagination {
  --el-pagination-bg-color: transparent;
  --el-pagination-text-color: var(--text-secondary);
  --el-pagination-button-bg-color: var(--bg-secondary);
  --el-pagination-hover-color: var(--accent-blue);
  margin-top: 16px;
  justify-content: flex-end;
}

.el-pagination .btn-prev,
.el-pagination .btn-next,
.el-pager li {
  background-color: var(--bg-secondary) !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin: 0 2px;
}

.el-pager li:hover {
  color: var(--accent-blue) !important;
  border-color: rgba(79, 140, 255, 0.3);
}

.el-pager li.is-active {
  background-color: var(--accent-blue) !important;
  color: #fff !important;
  border-color: var(--accent-blue);
}

/* --- Element Plus Overrides: Breadcrumb --- */
.el-breadcrumb__inner {
  color: var(--text-muted) !important;
}

.el-breadcrumb__inner.is-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
}

.el-breadcrumb__inner.is-link:hover {
  color: var(--accent-blue) !important;
}

.el-breadcrumb__item:last-child .el-breadcrumb__inner {
  color: var(--text-primary) !important;
}

.el-breadcrumb__separator {
  color: var(--text-muted) !important;
}

/* --- Element Plus Overrides: Tabs --- */
.el-tabs__header {
  margin-bottom: 16px;
}

.el-tabs__nav-wrap::after {
  background-color: var(--border-color) !important;
}

.el-tabs__item {
  color: var(--text-secondary) !important;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.el-tabs__item:hover {
  color: var(--text-primary) !important;
}

.el-tabs__item.is-active {
  color: var(--accent-blue) !important;
}

.el-tabs__active-bar {
  background-color: var(--accent-blue) !important;
}

.el-tab-pane {
  color: var(--text-primary);
}

/* --- Element Plus Overrides: Dropdown --- */
.el-dropdown-menu {
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-md) !important;
  padding: 4px;
}

.el-dropdown-menu__item {
  color: var(--text-primary) !important;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
}

.el-dropdown-menu__item:hover {
  background-color: var(--bg-hover) !important;
  color: var(--accent-blue) !important;
}

.el-dropdown-menu__item--divided::before {
  background-color: var(--border-color);
}

/* --- Element Plus Overrides: Message & Notification --- */
.el-message {
  --el-message-bg-color: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.el-notification {
  --el-notification-bg-color: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.el-notification__title {
  color: var(--text-primary);
}

.el-notification__content {
  color: var(--text-secondary);
}

/* --- Element Plus Overrides: Popover & Tooltip --- */
.el-popover.el-popper {
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.el-tooltip__popper {
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-primary) !important;
}

/* --- Element Plus Overrides: Switch --- */
.el-switch.is-checked .el-switch__core {
  background-color: var(--accent-blue);
  border-color: var(--accent-blue);
}

/* --- Element Plus Overrides: Radio & Checkbox --- */
.el-radio__label,
.el-checkbox__label {
  color: var(--text-primary);
}

.el-radio__input.is-checked .el-radio__inner {
  background-color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.el-checkbox__input.is-checked .el-checkbox__inner {
  background-color: var(--accent-blue);
  border-color: var(--accent-blue);
}

/* --- Element Plus Overrides: Loading --- */
.el-loading-mask {
  background-color: rgba(15, 20, 35, 0.8);
}

/* --- Element Plus Overrides: Empty --- */
.el-empty__description p {
  color: var(--text-muted);
}

/* --- Element Plus Overrides: Drawer --- */
.el-drawer {
  background-color: var(--bg-card) !important;
}

.el-drawer__header {
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 0;
  padding: 16px 24px;
}

.el-drawer__body {
  color: var(--text-primary);
}

/* --- Element Plus Overrides: Steps --- */
.el-step__title {
  color: var(--text-secondary) !important;
}

.el-step__title.is-process {
  color: var(--text-primary) !important;
}

.el-step__title.is-finish {
  color: var(--accent-blue) !important;
}

.el-step__description {
  color: var(--text-muted) !important;
}

/* --- Component Utilities: Stat Card --- */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.stat-card.blue::before {
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
}

.stat-card.violet::before {
  background: linear-gradient(90deg, var(--accent-violet), var(--accent-blue));
}

.stat-card.emerald::before {
  background: linear-gradient(90deg, var(--accent-emerald), var(--accent-cyan));
}

.stat-card.amber::before {
  background: linear-gradient(90deg, var(--accent-amber), var(--accent-emerald));
}

.stat-card.rose::before {
  background: linear-gradient(90deg, var(--accent-rose), var(--accent-amber));
}

.stat-card .stat-title {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-card .stat-change {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-card .stat-change.up {
  color: var(--accent-emerald);
}

.stat-card .stat-change.down {
  color: var(--accent-rose);
}

.stat-card .stat-icon {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  opacity: 0.8;
}

.stat-card.blue .stat-icon {
  background: rgba(79, 140, 255, 0.12);
  color: var(--accent-blue);
}

.stat-card.violet .stat-icon {
  background: rgba(167, 139, 250, 0.12);
  color: var(--accent-violet);
}

.stat-card.emerald .stat-icon {
  background: rgba(52, 211, 153, 0.12);
  color: var(--accent-emerald);
}

.stat-card.amber .stat-icon {
  background: rgba(251, 191, 36, 0.12);
  color: var(--accent-amber);
}

.stat-card.rose .stat-icon {
  background: rgba(251, 113, 133, 0.12);
  color: var(--accent-rose);
}

/* --- Component Utilities: Data Card --- */
.data-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.data-card .data-card-header .data-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.data-card .data-card-body {
  padding: 20px;
}

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

/* --- Component Utilities: Status Dot --- */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

.status-dot.online,
.status-dot.success,
.status-dot.active {
  background-color: var(--accent-emerald);
  box-shadow: 0 0 6px rgba(52, 211, 153, 0.5);
}

.status-dot.offline,
.status-dot.error,
.status-dot.inactive {
  background-color: var(--accent-rose);
  box-shadow: 0 0 6px rgba(251, 113, 133, 0.5);
}

.status-dot.warning,
.status-dot.pending {
  background-color: var(--accent-amber);
  box-shadow: 0 0 6px rgba(251, 191, 36, 0.5);
}

.status-dot.info {
  background-color: var(--accent-blue);
  box-shadow: 0 0 6px rgba(79, 140, 255, 0.5);
}

/* --- Component Utilities: Page Header --- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

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

.page-header .page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.page-header .page-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* --- Component Utilities: Filter Bar --- */
.filter-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
}

.filter-bar .filter-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-bar .filter-item .filter-label {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.filter-bar .filter-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

/* --- Component Utilities: Chart Container --- */
.chart-container {
  width: 100%;
  height: 350px;
  min-height: 250px;
  position: relative;
}

.chart-container.small {
  height: 200px;
  min-height: 150px;
}

.chart-container.large {
  height: 500px;
  min-height: 400px;
}

/* --- Component Utilities: Map Container --- */
.map-container {
  width: 100%;
  height: 500px;
  min-height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  position: relative;
}

.map-container.fullscreen {
  height: calc(100vh - var(--header-height) - 40px);
  border-radius: 0;
}

/* --- Landing Page --- */
.landing-page {
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-y: auto;
}

.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.landing-nav.scrolled {
  background: rgba(15, 20, 35, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border-color);
}

.landing-nav .nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.landing-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.landing-nav .nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.landing-nav .nav-links a:hover {
  color: var(--text-primary);
}

.landing-nav .nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.landing-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(79, 140, 255, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(167, 139, 250, 0.08) 0%, transparent 50%),
    var(--bg-primary);
}

.landing-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(79, 140, 255, 0.08) 1px, transparent 0);
  background-size: 40px 40px;
  pointer-events: none;
}

.landing-hero .hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.landing-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(79, 140, 255, 0.1);
  border: 1px solid rgba(79, 140, 255, 0.2);
  border-radius: 20px;
  font-size: 13px;
  color: var(--accent-blue);
  margin-bottom: 24px;
}

.landing-hero h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-blue) 50%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-hero .hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.landing-hero .hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.landing-hero .hero-actions .btn-primary {
  padding: 14px 36px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-blue), #3b7aed);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px rgba(79, 140, 255, 0.3);
}

.landing-hero .hero-actions .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(79, 140, 255, 0.4);
}

.landing-hero .hero-actions .btn-outline {
  padding: 14px 36px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.landing-hero .hero-actions .btn-outline:hover {
  border-color: rgba(79, 140, 255, 0.4);
  background: rgba(79, 140, 255, 0.06);
}

.landing-section {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.landing-section .section-header {
  text-align: center;
  margin-bottom: 60px;
}

.landing-section .section-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.landing-section .section-header p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

.landing-section .features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.landing-section .feature-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.landing-section .feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(79, 140, 255, 0.25);
}

.landing-section .feature-card .feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.landing-section .feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.landing-section .feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.landing-footer {
  border-top: 1px solid var(--border-color);
  padding: 60px 48px 30px;
  background: var(--bg-secondary);
}

.landing-footer .footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.landing-footer .footer-brand .footer-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.landing-footer .footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.landing-footer .footer-column h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.landing-footer .footer-column a {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.landing-footer .footer-column a:hover {
  color: var(--accent-blue);
}

.landing-footer .footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* --- Login Page --- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(79, 140, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(167, 139, 250, 0.08) 0%, transparent 50%),
    var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(79, 140, 255, 0.05) 1px, transparent 0);
  background-size: 48px 48px;
  pointer-events: none;
  animation: loginGridMove 20s linear infinite;
}

@keyframes loginGridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(48px, 48px); }
}

.login-card {
  width: 420px;
  padding: 40px;
  background: rgba(26, 33, 56, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

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

.login-card .login-logo .logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  margin-bottom: 16px;
}

.login-card .login-logo h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.login-card .login-logo p {
  font-size: 13px;
  color: var(--text-muted);
}

.login-card .login-form {
  margin-bottom: 24px;
}

.login-card .login-form .el-form-item {
  margin-bottom: 20px;
}

.login-card .login-form .el-input__wrapper {
  height: 44px;
  background-color: rgba(21, 27, 46, 0.8) !important;
}

.login-card .login-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  font-size: 13px;
}

.login-card .login-options a {
  color: var(--accent-blue);
}

.login-card .login-btn {
  width: 100%;
  height: 44px;
  font-size: 15px;
  font-weight: 600;
}

.login-card .login-footer {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 24px;
}

.login-card .login-footer a {
  color: var(--accent-blue);
  font-weight: 500;
}

/* --- Responsive Breakpoints --- */
@media screen and (max-width: 1200px) {
  .landing-section .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .landing-footer .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 992px) {
  .app-sidebar {
    position: fixed;
    left: -220px;
    top: 0;
    z-index: 1000;
    transition: left var(--transition-normal);
    box-shadow: var(--shadow-lg);
  }

  .app-sidebar.mobile-open {
    left: 0;
  }

  .app-content {
    padding: 16px;
  }

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

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

  .filter-bar .filter-actions {
    margin-left: 0;
  }

  .landing-hero h1 {
    font-size: 40px;
  }

  .landing-hero .hero-desc {
    font-size: 16px;
  }

  .landing-nav {
    padding: 0 24px;
  }

  .landing-section {
    padding: 60px 24px;
  }

  .landing-footer {
    padding: 40px 24px 20px;
  }
}

@media screen and (max-width: 768px) {
  .stat-card .stat-value {
    font-size: 22px;
  }

  .landing-section .features-grid {
    grid-template-columns: 1fr;
  }

  .landing-footer .footer-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .landing-hero {
    padding: 100px 24px 60px;
  }

  .landing-hero h1 {
    font-size: 32px;
  }

  .landing-hero .hero-actions {
    flex-direction: column;
  }

  .landing-nav .nav-links {
    display: none;
  }

  .login-card {
    width: 90%;
    max-width: 400px;
    padding: 28px;
  }

  .landing-footer .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .app-header {
    padding: 0 16px;
  }

  .chart-container {
    height: 260px;
    min-height: 200px;
  }

  .map-container {
    height: 350px;
    min-height: 300px;
  }
}

@media screen and (max-width: 480px) {
  .landing-hero h1 {
    font-size: 26px;
  }

  .login-card {
    padding: 24px;
  }

  .login-card .login-logo h2 {
    font-size: 18px;
  }
}

/* --- Animations: Vue Transitions --- */
.fade-enter-active,
.fade-leave-active {
  transition: opacity var(--transition-normal);
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}

.slide-enter-active,
.slide-leave-active {
  transition: all var(--transition-normal);
}

.slide-enter-from {
  transform: translateX(20px);
  opacity: 0;
}

.slide-leave-to {
  transform: translateX(-20px);
  opacity: 0;
}

.slide-up-enter-active,
.slide-up-leave-active {
  transition: all var(--transition-normal);
}

.slide-up-enter-from {
  transform: translateY(12px);
  opacity: 0;
}

.slide-up-leave-to {
  transform: translateY(-12px);
  opacity: 0;
}

.zoom-enter-active,
.zoom-leave-active {
  transition: all var(--transition-normal);
}

.zoom-enter-from,
.zoom-leave-to {
  transform: scale(0.95);
  opacity: 0;
}

/* Pulse animation for status dots */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-dot.online {
  animation: pulse 2s ease-in-out infinite;
}

/* Skeleton loading */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 25%,
    var(--bg-hover) 50%,
    var(--bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

/* --- Scrollbar Customization --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background-color: rgba(148, 163, 184, 0.2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: rgba(148, 163, 184, 0.35);
}

::-webkit-scrollbar-corner {
  background: transparent;
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, 0.2) transparent;
}

.app-sidebar .sidebar-menu::-webkit-scrollbar {
  width: 4px;
}

.el-table__body-wrapper::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.el-table__body-wrapper::-webkit-scrollbar-thumb {
  background-color: rgba(148, 163, 184, 0.15);
  border-radius: 3px;
}

/* --- Map Overlay Styles --- */
.map-overlay {
  position: absolute;
  z-index: 10;
}

.map-overlay.top-left {
  top: 12px;
  left: 12px;
}

.map-overlay.top-right {
  top: 12px;
  right: 12px;
}

.map-overlay.bottom-left {
  bottom: 12px;
  left: 12px;
}

.map-overlay.bottom-right {
  bottom: 12px;
  right: 12px;
}

.map-search-panel {
  width: 320px;
  background: rgba(26, 33, 56, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.map-search-panel .search-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.map-search-panel .search-results {
  max-height: 400px;
  overflow-y: auto;
}

.map-search-panel .search-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background var(--transition-fast);
  border-bottom: 1px solid var(--border-color);
}

.map-search-panel .search-item:hover {
  background: var(--bg-hover);
}

.map-search-panel .search-item:last-child {
  border-bottom: none;
}

.map-search-panel .search-item .item-name {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
}

.map-search-panel .search-item .item-address {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.map-poi-marker {
  background: var(--accent-blue);
  color: #fff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(79, 140, 255, 0.4);
  white-space: nowrap;
  position: relative;
}

.map-poi-marker::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid var(--accent-blue);
}

.map-info-window {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  min-width: 240px;
  box-shadow: var(--shadow-md);
}

.map-info-window .info-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.map-info-window .info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  padding: 3px 0;
}

.map-info-window .info-row .info-label {
  color: var(--text-muted);
}

.map-info-window .info-row .info-value {
  color: var(--text-primary);
  font-weight: 500;
}

.map-legend {
  background: rgba(26, 33, 56, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.map-legend .legend-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.map-legend .legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  padding: 2px 0;
}

.map-legend .legend-item .legend-color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

/* --- Utility: Text & Spacing --- */
.text-blue { color: var(--accent-blue); }
.text-cyan { color: var(--accent-cyan); }
.text-violet { color: var(--accent-violet); }
.text-rose { color: var(--accent-rose); }
.text-amber { color: var(--accent-amber); }
.text-emerald { color: var(--accent-emerald); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.font-mono { font-family: "SF Mono", "Fira Code", "Cascadia Code", Consolas, monospace; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============================================
   Landing Page Styles
   ============================================ */
.landing-page { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #e2e8f0; background: #0c1222; overflow-x: hidden; }

/* Navigation */
.landing-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 16px 0; transition: all 0.3s ease; }
.landing-nav.scrolled { background: rgba(12, 18, 34, 0.95); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.06); padding: 10px 0; }
.nav-inner { max-width: 1280px; margin: 0 auto; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.logo-icon { font-size: 24px; background: linear-gradient(135deg, #3b82f6, #06b6d4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.logo-text { font-size: 20px; font-weight: 700; color: #fff; letter-spacing: 1px; }
.logo-text em { font-style: normal; color: #93c5fd; font-weight: 400; font-size: 16px; margin-left: 2px; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 15px; transition: color 0.2s; position: relative; }
.nav-links a:hover { color: #fff; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: linear-gradient(90deg, #3b82f6, #06b6d4); transition: width 0.3s; }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; gap: 12px; align-items: center; }
.btn-login { background: none; border: 1px solid rgba(255,255,255,0.2); color: #fff; padding: 8px 24px; border-radius: 8px; font-size: 14px; cursor: pointer; transition: all 0.3s; }
.btn-login:hover { border-color: #3b82f6; color: #93c5fd; background: rgba(59,130,246,0.1); }
.btn-register { background: linear-gradient(135deg, #3b82f6, #2563eb); color: #fff; border: none; padding: 8px 24px; border-radius: 8px; font-size: 14px; cursor: pointer; transition: all 0.3s; font-weight: 600; }
.btn-register:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(59,130,246,0.4); }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.nav-hamburger span { width: 24px; height: 2px; background: #fff; transition: 0.3s; }

/* Hero Section */
.hero-section { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; padding: 120px 40px 80px; overflow: hidden; }
.hero-bg-shapes { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-shape { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.15; }
.hero-shape.s1 { width: 600px; height: 600px; background: #3b82f6; top: -200px; right: -100px; animation: float-shape 20s ease-in-out infinite; }
.hero-shape.s2 { width: 500px; height: 500px; background: #06b6d4; bottom: -150px; left: -100px; animation: float-shape 25s ease-in-out infinite reverse; }
.hero-shape.s3 { width: 300px; height: 300px; background: #06b6d4; top: 50%; left: 50%; animation: float-shape 18s ease-in-out infinite; }
@keyframes float-shape { 0%, 100% { transform: translate(0, 0); } 33% { transform: translate(30px, -30px); } 66% { transform: translate(-20px, 20px); } }
.hero-content { text-align: center; position: relative; z-index: 1; max-width: 900px; }
.hero-badge { display: inline-block; padding: 8px 20px; border-radius: 100px; background: rgba(59,130,246,0.15); border: 1px solid rgba(59,130,246,0.3); color: #93c5fd; font-size: 14px; font-weight: 500; margin-bottom: 24px; letter-spacing: 1px; }
.hero-title { margin: 0 0 24px; }
.title-line1 { display: block; font-size: 56px; font-weight: 800; background: linear-gradient(135deg, #fff 0%, #93c5fd 50%, #7dd3fc 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; margin-bottom: 12px; letter-spacing: 2px; }
.title-line2 { display: block; font-size: 36px; font-weight: 600; color: rgba(255,255,255,0.85); }
.title-line2 em { font-style: normal; background: linear-gradient(90deg, #3b82f6, #06b6d4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-desc { font-size: 17px; color: rgba(255,255,255,0.55); line-height: 1.8; margin: 0 0 36px; }
.hero-buttons { display: flex; justify-content: center; gap: 16px; margin-bottom: 60px; }
.btn-primary-lg { background: linear-gradient(135deg, #3b82f6, #2563eb); color: #fff; border: none; padding: 14px 36px; border-radius: 12px; font-size: 17px; font-weight: 600; cursor: pointer; transition: all 0.3s; }
.btn-primary-lg:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(59,130,246,0.5); }
.btn-outline-lg { background: none; color: rgba(255,255,255,0.8); border: 1px solid rgba(255,255,255,0.2); padding: 14px 36px; border-radius: 12px; font-size: 17px; cursor: pointer; transition: all 0.3s; }
.btn-outline-lg:hover { border-color: rgba(255,255,255,0.5); color: #fff; }
.btn-outline-lg.light { border-color: rgba(255,255,255,0.3); color: #fff; }
.btn-outline-lg.light:hover { background: rgba(255,255,255,0.1); }
.hero-stats { display: flex; justify-content: center; gap: 48px; }
.stat-item { text-align: center; }
.stat-num { display: block; font-size: 32px; font-weight: 800; background: linear-gradient(135deg, #3b82f6, #06b6d4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.45); margin-top: 4px; }

/* Hero Dashboard Mock */
.hero-visual { margin-top: 60px; position: relative; z-index: 1; width: 100%; max-width: 800px; }
.hero-dashboard-mock { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.mock-topbar { padding: 12px 16px; background: rgba(0,0,0,0.3); display: flex; gap: 8px; }
.mock-topbar .dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.r { background: #ff5f57; }
.dot.y { background: #ffbd2e; }
.dot.g { background: #28c840; }
.mock-body { display: flex; height: 220px; }
.mock-sidebar { width: 180px; background: rgba(0,21,41,0.5); border-right: 1px solid rgba(255,255,255,0.05); }
.mock-content { flex: 1; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.mock-cards { display: flex; gap: 10px; }
.mc { flex: 1; height: 50px; border-radius: 8px; background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(37,99,235,0.1)); border: 1px solid rgba(59,130,246,0.15); }
.mock-charts { display: flex; gap: 10px; flex: 1; }
.mc-lg { flex: 2; border-radius: 8px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.05); }
.mc-md { flex: 1; border-radius: 8px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.05); }

/* Sections */
.section { padding: 100px 0; }
.section-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 3px; color: #3b82f6; margin-bottom: 12px; }
.section-header h2 { font-size: 36px; font-weight: 700; margin: 0 0 12px; color: #fff; }
.section-header p { font-size: 16px; color: rgba(255,255,255,0.5); margin: 0; }
.section-header.light h2 { color: #fff; }

/* Features */
.features-section { background: linear-gradient(180deg, #0c1222, #0f1629); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: 16px; padding: 32px 28px; transition: all 0.3s; }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(59,130,246,0.3); background: rgba(59,130,246,0.05); box-shadow: 0 12px 40px rgba(59,130,246,0.1); }
.feature-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 20px; }
.feature-card h3 { font-size: 20px; font-weight: 600; color: #fff; margin: 0 0 10px; }
.feature-card > p { font-size: 14px; color: rgba(255,255,255,0.5); margin: 0 0 16px; line-height: 1.6; }
.feature-card ul { list-style: none; padding: 0; margin: 0; }
.feature-card li { font-size: 13px; color: rgba(255,255,255,0.6); padding: 5px 0; padding-left: 18px; position: relative; }
.feature-card li::before { content: '✓'; position: absolute; left: 0; color: #3b82f6; font-size: 12px; }

/* Scenes */
.scenes-section { background: linear-gradient(180deg, #0f1629, #111a2e); }
.scenes-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.scene-card { text-align: center; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: 16px; padding: 28px 16px; transition: all 0.3s; cursor: default; }
.scene-card:hover { transform: translateY(-4px); border-color: rgba(59,130,246,0.3); background: rgba(59,130,246,0.06); }
.scene-icon { font-size: 36px; margin-bottom: 12px; }
.scene-name { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 4px; }
.scene-count { font-size: 12px; color: rgba(255,255,255,0.4); }

/* Advantages */
.advantages-section { background: linear-gradient(180deg, #111a2e, #0f1629); }
.advantages-list { display: flex; flex-direction: column; gap: 60px; }
.advantage-row { display: flex; align-items: center; gap: 60px; }
.advantage-row.reverse { flex-direction: row-reverse; }
.advantage-content { flex: 1; }
.advantage-num { font-size: 64px; font-weight: 800; color: rgba(59,130,246,0.15); line-height: 1; margin-bottom: 8px; }
.advantage-content h3 { font-size: 28px; font-weight: 700; color: #fff; margin: 0 0 16px; }
.advantage-content p { font-size: 15px; color: rgba(255,255,255,0.55); line-height: 1.8; margin: 0 0 20px; }
.advantage-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.advantage-tags span { padding: 6px 14px; border-radius: 100px; background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2); color: #93c5fd; font-size: 13px; }
.advantage-visual { flex: 0 0 340px; }
.adv-graphic { width: 340px; height: 240px; border-radius: 20px; display: flex; align-items: center; justify-content: center; opacity: 0.9; }
.adv-emoji { font-size: 80px; filter: drop-shadow(0 8px 20px rgba(0,0,0,0.3)); }

/* Data Flow */
.data-section { background: linear-gradient(180deg, #0f1629, #0c1222); }
.data-flow { display: flex; align-items: flex-start; justify-content: center; gap: 16px; }
.data-step { text-align: center; flex: 1; position: relative; }
.step-circle { width: 72px; height: 72px; border-radius: 50%; background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(37,99,235,0.1)); border: 2px solid rgba(59,130,246,0.3); display: flex; align-items: center; justify-content: center; font-size: 32px; margin: 0 auto 16px; transition: all 0.3s; }
.data-step:hover .step-circle { background: linear-gradient(135deg, rgba(59,130,246,0.3), rgba(37,99,235,0.2)); transform: scale(1.1); }
.data-step h4 { font-size: 16px; font-weight: 600; color: #fff; margin: 0 0 6px; }
.data-step p { font-size: 13px; color: rgba(255,255,255,0.45); margin: 0; line-height: 1.5; }
.step-arrow { position: absolute; right: -20px; top: 30px; font-size: 20px; color: rgba(59,130,246,0.4); }

/* CTA */
.cta-section { padding: 100px 0; text-align: center; background: linear-gradient(180deg, #0c1222, #131a30); position: relative; }
.cta-section::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 600px; height: 600px; background: radial-gradient(circle, rgba(59,130,246,0.12), transparent 70%); pointer-events: none; }
.cta-section h2 { font-size: 36px; font-weight: 700; color: #fff; margin: 0 0 16px; position: relative; }
.cta-section > .section-inner > p { font-size: 16px; color: rgba(255,255,255,0.5); margin: 0 0 36px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; }

/* Footer */
.landing-footer { background: #060810; padding: 60px 0 0; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .footer-logo { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.4); line-height: 1.6; }
.footer-links h4 { font-size: 15px; font-weight: 600; color: #fff; margin: 0 0 16px; }
.footer-links a { display: block; font-size: 14px; color: rgba(255,255,255,0.4); text-decoration: none; padding: 4px 0; transition: color 0.2s; }
.footer-links a:hover { color: #93c5fd; }
.footer-bottom { padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.05); text-align: center; font-size: 13px; color: rgba(255,255,255,0.3); }

/* Responsive */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .scenes-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-visual { flex: 0 0 260px; }
  .adv-graphic { width: 260px; height: 180px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 60px; left: 0; right: 0; background: rgba(12,18,34,0.98); flex-direction: column; padding: 20px; gap: 16px; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }
  .nav-actions .btn-login { display: none; }
  .title-line1 { font-size: 36px; }
  .title-line2 { font-size: 24px; }
  .hero-desc br { display: none; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .stat-item { flex: 0 0 calc(50% - 12px); }
  .features-grid { grid-template-columns: 1fr; }
  .scenes-grid { grid-template-columns: repeat(3, 1fr); }
  .advantage-row, .advantage-row.reverse { flex-direction: column; }
  .advantage-visual { flex: unset; width: 100%; }
  .adv-graphic { width: 100%; }
  .data-flow { flex-wrap: wrap; }
  .data-step { flex: 0 0 calc(33% - 12px); }
  .step-arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
}