/* ═══════════════════════════════════════════════════════════════
   MARCH IA PLATFORM — Design System
   ═══════════════════════════════════════════════════════════════ */

/* ── Variables ────────────────────────────────────────────────── */
:root {
  /* Brand */
  --marchia-primary: #0f172a;
  --marchia-primary-light: #1e293b;
  --marchia-primary-lighter: #334155;
  --marchia-accent: #3b82f6;
  --marchia-accent-hover: #2563eb;
  --marchia-accent-light: rgba(59, 130, 246, 0.08);

  /* Neutrals */
  --marchia-bg: #f8fafc;
  --marchia-surface: #ffffff;
  --marchia-border: #e2e8f0;
  --marchia-border-light: #f1f5f9;

  /* Text */
  --marchia-text-primary: #0f172a;
  --marchia-text-secondary: #475569;
  --marchia-text-tertiary: #94a3b8;
  --marchia-text-inverse: #ffffff;

  /* Semantic */
  --marchia-success: #10b981;
  --marchia-success-bg: rgba(16, 185, 129, 0.08);
  --marchia-warning: #f59e0b;
  --marchia-warning-bg: rgba(245, 158, 11, 0.08);
  --marchia-error: #ef4444;
  --marchia-error-bg: rgba(239, 68, 68, 0.08);
  --marchia-info: #3b82f6;
  --marchia-info-bg: rgba(59, 130, 246, 0.08);

  /* Typography */
  --marchia-font: 'Inter', 'Segoe UI Variable', -apple-system, BlinkMacSystemFont, sans-serif;
  --marchia-font-mono: 'JetBrains Mono', 'Cascadia Code', 'SF Mono', Consolas, monospace;

  /* Sizing */
  --marchia-sidebar-width: 260px;
  --marchia-sidebar-collapsed: 72px;
  --marchia-header-height: 64px;

  /* Radius */
  --marchia-radius-sm: 6px;
  --marchia-radius-md: 8px;
  --marchia-radius-lg: 12px;
  --marchia-radius-xl: 16px;

  /* Shadows */
  --marchia-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --marchia-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --marchia-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --marchia-shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --marchia-transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Base ─────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--marchia-font);
  background: var(--marchia-bg);
  color: var(--marchia-text-primary);
  line-height: 1.6;
  margin: 0;
  overflow-x: hidden;
}

::selection {
  background: var(--marchia-accent);
  color: white;
}

/* ── Scrollbar ────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--marchia-border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--marchia-text-tertiary);
}

/* ═══════════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════════ */

/* ── Sidebar ──────────────────────────────────────────────────── */
.marchia-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--marchia-sidebar-width);
  height: 100vh;
  background: var(--marchia-primary);
  z-index: 1040;
  display: flex;
  flex-direction: column;
  transition: width var(--marchia-transition);
  overflow: hidden;
}

.marchia-sidebar.collapsed {
  width: var(--marchia-sidebar-collapsed);
}

.marchia-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  height: var(--marchia-header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.marchia-sidebar-brand .brand-icon {
  width: 32px;
  height: 32px;
  background: var(--marchia-accent);
  border-radius: var(--marchia-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  flex-shrink: 0;
}

.marchia-sidebar-brand .brand-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--marchia-text-inverse);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.marchia-sidebar-brand .brand-badge {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(59, 130, 246, 0.2);
  color: var(--marchia-accent);
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: auto;
  white-space: nowrap;
}

.marchia-sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.marchia-sidebar-section {
  padding: 8px 14px 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.3);
  white-space: nowrap;
}

.marchia-sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  border-radius: var(--marchia-radius-md);
  transition: all var(--marchia-transition);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  position: relative;
}

.marchia-sidebar-link:hover {
  color: var(--marchia-text-inverse);
  background: rgba(255, 255, 255, 0.06);
}

.marchia-sidebar-link.active {
  color: var(--marchia-text-inverse);
  background: var(--marchia-accent);
  font-weight: 600;
}

.marchia-sidebar-link .link-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}

.marchia-sidebar-link .link-badge {
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  background: var(--marchia-error);
  color: white;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

.marchia-sidebar-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 12px 10px;
  flex-shrink: 0;
}

/* ── Main Content ─────────────────────────────────────────────── */
.marchia-main {
  margin-left: var(--marchia-sidebar-width);
  min-height: 100vh;
  transition: margin-left var(--marchia-transition);
}

.marchia-sidebar.collapsed + .marchia-main,
.marchia-main.sidebar-collapsed {
  margin-left: var(--marchia-sidebar-collapsed);
}

/* ── Header ───────────────────────────────────────────────────── */
.marchia-header {
  position: sticky;
  top: 0;
  height: var(--marchia-header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--marchia-border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  z-index: 1030;
  gap: 16px;
}

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

.marchia-header-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--marchia-border);
  border-radius: var(--marchia-radius-md);
  color: var(--marchia-text-secondary);
  cursor: pointer;
  transition: all var(--marchia-transition);
}

.marchia-header-toggle:hover {
  background: var(--marchia-border-light);
  color: var(--marchia-text-primary);
}

.marchia-header-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--marchia-text-primary);
  letter-spacing: -0.01em;
}

/* Global Search */
.marchia-global-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}

.marchia-global-search input {
  width: 100%;
  padding: 8px 14px 8px 36px;
  border: 1px solid var(--marchia-border);
  border-radius: var(--marchia-radius-md);
  background: var(--marchia-bg);
  font-family: var(--marchia-font);
  font-size: 13px;
  color: var(--marchia-text-primary);
  outline: none;
  transition: all var(--marchia-transition);
}

.marchia-global-search input:focus {
  border-color: var(--marchia-accent);
  background: var(--marchia-surface);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.marchia-global-search input::placeholder {
  color: var(--marchia-text-tertiary);
}

.marchia-global-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--marchia-text-tertiary);
  font-size: 14px;
  pointer-events: none;
}

.marchia-global-search .search-shortcut {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  font-weight: 600;
  color: var(--marchia-text-tertiary);
  background: var(--marchia-border-light);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--marchia-font);
}

/* Header Right */
.marchia-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.marchia-header-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--marchia-text-secondary);
  padding: 4px 10px;
  background: var(--marchia-success-bg);
  border-radius: 20px;
}

.marchia-header-status .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--marchia-success);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.marchia-header-clock {
  font-size: 13px;
  font-weight: 500;
  color: var(--marchia-text-secondary);
  font-variant-numeric: tabular-nums;
}

.marchia-header-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--marchia-accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--marchia-transition);
  border: 2px solid transparent;
}

.marchia-header-avatar:hover {
  border-color: var(--marchia-accent);
  transform: scale(1.05);
}

/* ── Content Area ─────────────────────────────────────────────── */
.marchia-content {
  padding: 28px;
  max-width: 1440px;
}

/* ═══════════════════════════════════════════════════════════════
   COMPONENTS
   ═══════════════════════════════════════════════════════════════ */

/* ── Page Header ──────────────────────────────────────────────── */
.marchia-page-header {
  margin-bottom: 28px;
}

.marchia-page-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--marchia-text-primary);
  margin: 0 0 4px;
  letter-spacing: -0.02em;
}

.marchia-page-header p {
  font-size: 14px;
  color: var(--marchia-text-secondary);
  margin: 0;
}

/* ── Stat Cards ───────────────────────────────────────────────── */
.marchia-stat-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 28px;
}

.marchia-stat-grid.cols-8 { grid-template-columns: repeat(8, 1fr); }
.marchia-stat-grid.cols-7 { grid-template-columns: repeat(7, 1fr); }
.marchia-stat-grid.cols-6 { grid-template-columns: repeat(6, 1fr); }
.marchia-stat-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.marchia-stat-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.marchia-stat-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.marchia-stat-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

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

.marchia-stat-card:hover {
  border-color: var(--marchia-accent);
  box-shadow: var(--marchia-shadow-md);
  transform: translateY(-1px);
}

.marchia-stat-card .stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--marchia-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--marchia-accent);
  background: var(--marchia-accent-light);
  margin-bottom: 12px;
}

.marchia-stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--marchia-text-primary);
  line-height: 1.1;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.marchia-stat-card .stat-label {
  font-size: 13px;
  color: var(--marchia-text-secondary);
  font-weight: 500;
}

.marchia-stat-card .stat-change {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 6px;
}

.marchia-stat-card .stat-change.up {
  color: var(--marchia-success);
  background: var(--marchia-success-bg);
}

.marchia-stat-card .stat-change.down {
  color: var(--marchia-error);
  background: var(--marchia-error-bg);
}

/* ── Cards ────────────────────────────────────────────────────── */
.marchia-card {
  background: var(--marchia-surface);
  border: 1px solid var(--marchia-border);
  border-radius: var(--marchia-radius-lg);
  transition: all var(--marchia-transition);
}

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

.marchia-card-header {
  padding: 20px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.marchia-card-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--marchia-text-primary);
  margin: 0;
}

.marchia-card-body {
  padding: 20px 24px;
}

.marchia-card-body:first-child {
  padding-top: 24px;
}

/* ── Tables ───────────────────────────────────────────────────── */
.marchia-table-wrapper {
  border: 1px solid var(--marchia-border);
  border-radius: var(--marchia-radius-lg);
  overflow: hidden;
  background: var(--marchia-surface);
}

.marchia-table-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--marchia-border);
  background: var(--marchia-surface);
}

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

.marchia-table-toolbar .search-input input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  border: 1px solid var(--marchia-border);
  border-radius: var(--marchia-radius-md);
  font-family: var(--marchia-font);
  font-size: 13px;
  background: var(--marchia-bg);
  outline: none;
  transition: all var(--marchia-transition);
}

.marchia-table-toolbar .search-input input:focus {
  border-color: var(--marchia-accent);
  background: var(--marchia-surface);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.marchia-table-toolbar .search-input i {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--marchia-text-tertiary);
  font-size: 14px;
}

.marchia-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.marchia-table thead {
  background: var(--marchia-bg);
  border-bottom: 1px solid var(--marchia-border);
}

.marchia-table thead th {
  padding: 10px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--marchia-text-tertiary);
  white-space: nowrap;
}

.marchia-table tbody tr {
  border-bottom: 1px solid var(--marchia-border-light);
  transition: background var(--marchia-transition);
}

.marchia-table tbody tr:last-child {
  border-bottom: none;
}

.marchia-table tbody tr:hover {
  background: var(--marchia-accent-light);
}

.marchia-table tbody td {
  padding: 12px 20px;
  color: var(--marchia-text-secondary);
  vertical-align: middle;
}

.marchia-table tbody td strong {
  color: var(--marchia-text-primary);
  font-weight: 600;
}

.marchia-table tbody td code {
  font-family: var(--marchia-font-mono);
  font-size: 12px;
  background: var(--marchia-border-light);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--marchia-text-primary);
}

/* Empty state */
.marchia-empty-state {
  text-align: center;
  padding: 60px 20px;
}

.marchia-empty-state .empty-icon {
  font-size: 40px;
  color: var(--marchia-text-tertiary);
  margin-bottom: 16px;
  display: block;
}

.marchia-empty-state h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--marchia-text-primary);
  margin: 0 0 4px;
}

.marchia-empty-state p {
  font-size: 14px;
  color: var(--marchia-text-secondary);
  margin: 0;
}

/* ── Buttons ──────────────────────────────────────────────────── */
.marchia-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-family: var(--marchia-font);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--marchia-radius-md);
  cursor: pointer;
  transition: all var(--marchia-transition);
  white-space: nowrap;
  user-select: none;
  line-height: 1.4;
}

.marchia-btn:active {
  transform: scale(0.97);
}

.marchia-btn-primary {
  background: var(--marchia-primary);
  color: white;
  border-color: var(--marchia-primary);
}

.marchia-btn-primary:hover {
  background: var(--marchia-primary-light);
  border-color: var(--marchia-primary-light);
}

.marchia-btn-accent {
  background: var(--marchia-accent);
  color: white;
  border-color: var(--marchia-accent);
}

.marchia-btn-accent:hover {
  background: var(--marchia-accent-hover);
  border-color: var(--marchia-accent-hover);
}

.marchia-btn-outline {
  background: transparent;
  color: var(--marchia-text-secondary);
  border-color: var(--marchia-border);
}

.marchia-btn-outline:hover {
  background: var(--marchia-border-light);
  border-color: var(--marchia-border);
  color: var(--marchia-text-primary);
}

.marchia-btn-ghost {
  background: transparent;
  color: var(--marchia-text-secondary);
  border-color: transparent;
}

.marchia-btn-ghost:hover {
  background: var(--marchia-border-light);
  color: var(--marchia-text-primary);
}

.marchia-btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.marchia-btn-lg {
  padding: 10px 20px;
  font-size: 14px;
}

.marchia-btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: var(--marchia-radius-md);
}

/* ── Badges ───────────────────────────────────────────────────── */
.marchia-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 20px;
  white-space: nowrap;
}

.marchia-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

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

.marchia-badge-warning {
  background: var(--marchia-warning-bg);
  color: var(--marchia-warning);
}
.marchia-badge-warning .marchia-badge-dot { background: var(--marchia-warning); }

.marchia-badge-error {
  background: var(--marchia-error-bg);
  color: var(--marchia-error);
}
.marchia-badge-error .marchia-badge-dot { background: var(--marchia-error); }

.marchia-badge-info {
  background: var(--marchia-info-bg);
  color: var(--marchia-info);
}
.marchia-badge-info .marchia-badge-dot { background: var(--marchia-info); }

.marchia-badge-neutral {
  background: var(--marchia-border-light);
  color: var(--marchia-text-secondary);
}
.marchia-badge-neutral .marchia-badge-dot { background: var(--marchia-text-tertiary); }

/* ── Forms ────────────────────────────────────────────────────── */
.marchia-form-group {
  margin-bottom: 20px;
}

.marchia-form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--marchia-text-primary);
  margin-bottom: 6px;
}

.marchia-form-input,
.marchia-form-select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--marchia-border);
  border-radius: var(--marchia-radius-md);
  font-family: var(--marchia-font);
  font-size: 14px;
  color: var(--marchia-text-primary);
  background: var(--marchia-surface);
  outline: none;
  transition: all var(--marchia-transition);
}

.marchia-form-input:focus,
.marchia-form-select:focus {
  border-color: var(--marchia-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.marchia-form-input-sm {
  padding: 7px 10px;
  font-size: 13px;
}

/* ── Status Indicators ────────────────────────────────────────── */
.marchia-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
}

.marchia-status-indicator .status-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.marchia-status-indicator .status-led.green {
  background: var(--marchia-success);
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
}

.marchia-status-indicator .status-led.yellow {
  background: var(--marchia-warning);
  box-shadow: 0 0 6px rgba(245, 158, 11, 0.4);
}

.marchia-status-indicator .status-led.red {
  background: var(--marchia-error);
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.4);
}

/* ── Activity Timeline ────────────────────────────────────────── */
.marchia-timeline {
  position: relative;
}

.marchia-timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--marchia-border);
}

.marchia-timeline-item {
  display: flex;
  gap: 14px;
  padding: 10px 0;
  position: relative;
}

.marchia-timeline-item .tl-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  z-index: 1;
  background: var(--marchia-surface);
  border: 2px solid var(--marchia-border);
}

.marchia-timeline-item .tl-content {
  flex: 1;
  min-width: 0;
}

.marchia-timeline-item .tl-content .tl-text {
  font-size: 14px;
  color: var(--marchia-text-primary);
  margin: 0 0 2px;
}

.marchia-timeline-item .tl-content .tl-text strong {
  font-weight: 600;
}

.marchia-timeline-item .tl-content .tl-time {
  font-size: 12px;
  color: var(--marchia-text-tertiary);
}

/* ── Modal ────────────────────────────────────────────────────── */
.marchia-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1050;
  display: none;
  align-items: center;
  justify-content: center;
  animation: fadeIn 150ms ease-out;
}

.marchia-modal-overlay.open {
  display: flex;
}

.marchia-modal {
  background: var(--marchia-surface);
  border-radius: var(--marchia-radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--marchia-shadow-xl);
  animation: slideUp 200ms ease-out;
}

.marchia-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--marchia-border);
}

.marchia-modal-header h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
}

.marchia-modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: var(--marchia-radius-md);
  color: var(--marchia-text-tertiary);
  cursor: pointer;
  transition: all var(--marchia-transition);
}

.marchia-modal-close:hover {
  background: var(--marchia-border-light);
  color: var(--marchia-text-primary);
}

.marchia-modal-body {
  padding: 24px;
}

.marchia-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 24px;
  border-top: 1px solid var(--marchia-border);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* ── Toast ────────────────────────────────────────────────────── */
.marchia-toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1060;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.marchia-toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--marchia-surface);
  border: 1px solid var(--marchia-border);
  border-radius: var(--marchia-radius-lg);
  box-shadow: var(--marchia-shadow-lg);
  font-size: 13px;
  font-weight: 500;
  color: var(--marchia-text-primary);
  animation: slideInToast 250ms ease-out;
  min-width: 300px;
}

.marchia-toast .toast-icon {
  font-size: 18px;
}

.marchia-toast.success { border-left: 3px solid var(--marchia-success); }
.marchia-toast.success .toast-icon { color: var(--marchia-success); }
.marchia-toast.error { border-left: 3px solid var(--marchia-error); }
.marchia-toast.error .toast-icon { color: var(--marchia-error); }
.marchia-toast.info { border-left: 3px solid var(--marchia-info); }
.marchia-toast.info .toast-icon { color: var(--marchia-info); }

@keyframes slideInToast {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ── Context Menu ─────────────────────────────────────────────── */
.marchia-context-menu {
  position: fixed;
  background: var(--marchia-surface);
  border: 1px solid var(--marchia-border);
  border-radius: var(--marchia-radius-md);
  box-shadow: var(--marchia-shadow-lg);
  padding: 4px;
  min-width: 180px;
  z-index: 1070;
  display: none;
  animation: fadeIn 100ms ease-out;
}

.marchia-context-menu.open {
  display: block;
}

.marchia-context-menu .ctx-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--marchia-radius-sm);
  font-size: 13px;
  color: var(--marchia-text-primary);
  cursor: pointer;
  transition: all var(--marchia-transition);
  border: none;
  background: none;
  width: 100%;
  font-family: var(--marchia-font);
}

.marchia-context-menu .ctx-item:hover {
  background: var(--marchia-accent-light);
  color: var(--marchia-accent);
}

.marchia-context-menu .ctx-item .ctx-icon {
  width: 16px;
  text-align: center;
  color: var(--marchia-text-tertiary);
}

.marchia-context-menu .ctx-divider {
  height: 1px;
  background: var(--marchia-border-light);
  margin: 4px 8px;
}

/* ═══════════════════════════════════════════════════════════════
   COMMAND PALETTE
   ═══════════════════════════════════════════════════════════════ */

.marchia-palette-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1090;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
}

.marchia-palette-overlay.open {
  display: flex;
}

.marchia-palette {
  width: 100%;
  max-width: 640px;
  background: var(--marchia-surface);
  border-radius: var(--marchia-radius-xl);
  box-shadow: var(--marchia-shadow-xl);
  overflow: hidden;
  animation: slideUp 150ms ease-out;
}

.marchia-palette-input {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--marchia-border);
}

.marchia-palette-input i {
  font-size: 18px;
  color: var(--marchia-text-tertiary);
}

.marchia-palette-input input {
  flex: 1;
  border: none;
  outline: none;
  font-family: var(--marchia-font);
  font-size: 16px;
  color: var(--marchia-text-primary);
  background: transparent;
}

.marchia-palette-input input::placeholder {
  color: var(--marchia-text-tertiary);
}

.marchia-palette-results {
  max-height: 320px;
  overflow-y: auto;
  padding: 6px;
}

.marchia-palette-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--marchia-radius-md);
  cursor: pointer;
  transition: all 100ms ease;
}

.marchia-palette-item:hover,
.marchia-palette-item.selected {
  background: var(--marchia-accent-light);
}

.marchia-palette-item .pi-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--marchia-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--marchia-border-light);
  color: var(--marchia-text-secondary);
  font-size: 16px;
  flex-shrink: 0;
}

.marchia-palette-item .pi-text {
  flex: 1;
}

.marchia-palette-item .pi-text .pi-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--marchia-text-primary);
}

.marchia-palette-item .pi-text .pi-desc {
  font-size: 12px;
  color: var(--marchia-text-tertiary);
  margin-top: 1px;
}

.marchia-palette-item .pi-shortcut {
  font-size: 11px;
  color: var(--marchia-text-tertiary);
  background: var(--marchia-border-light);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--marchia-font);
}

.marchia-palette-empty {
  text-align: center;
  padding: 32px 20px;
  color: var(--marchia-text-tertiary);
  font-size: 14px;
}

/* ═══════════════════════════════════════════════════════════════
   SKELETON LOADING
   ═══════════════════════════════════════════════════════════════ */

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

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.marchia-skeleton-text {
  height: 14px;
  margin-bottom: 8px;
  width: 80%;
}

.marchia-skeleton-title {
  height: 22px;
  margin-bottom: 12px;
  width: 60%;
}

.marchia-skeleton-card {
  height: 120px;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 1200px) {
  .marchia-stat-grid.cols-8 { grid-template-columns: repeat(4, 1fr); }
  .marchia-stat-grid.cols-7 { grid-template-columns: repeat(4, 1fr); }
  .marchia-stat-grid.cols-6 { grid-template-columns: repeat(3, 1fr); }
  .marchia-stat-grid.cols-5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
  .marchia-stat-grid.cols-8,
  .marchia-stat-grid.cols-7,
  .marchia-stat-grid.cols-6,
  .marchia-stat-grid.cols-5 { grid-template-columns: repeat(3, 1fr); }

  .marchia-global-search { display: none; }
}

@media (max-width: 768px) {
  .marchia-sidebar {
    width: var(--marchia-sidebar-collapsed);
    transform: translateX(-100%);
  }

  .marchia-sidebar.mobile-open {
    transform: translateX(0);
    width: var(--marchia-sidebar-width);
  }

  .marchia-main {
    margin-left: 0;
  }

  .marchia-content {
    padding: 20px 16px;
  }

  .marchia-stat-grid.cols-8,
  .marchia-stat-grid.cols-7,
  .marchia-stat-grid.cols-6,
  .marchia-stat-grid.cols-5,
  .marchia-stat-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }

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

  .marchia-header-status {
    display: none;
  }

  .marchia-palette {
    max-width: 100%;
    margin: 0 12px;
    border-radius: var(--marchia-radius-lg);
  }

  .marchia-palette-overlay {
    padding-top: 8vh;
  }
}

@media (max-width: 480px) {
  .marchia-stat-grid.cols-8,
  .marchia-stat-grid.cols-7,
  .marchia-stat-grid.cols-6,
  .marchia-stat-grid.cols-5,
  .marchia-stat-grid.cols-4,
  .marchia-stat-grid.cols-3 { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════
   LOGIN PAGE
   ═══════════════════════════════════════════════════════════════ */

.marchia-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--marchia-bg);
}

.marchia-login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

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

.marchia-login-brand .login-icon {
  width: 56px;
  height: 56px;
  background: var(--marchia-primary);
  border-radius: var(--marchia-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: white;
  font-size: 24px;
}

.marchia-login-brand h1 {
  font-size: 22px;
  font-weight: 800;
  color: var(--marchia-text-primary);
  margin: 0 0 4px;
  letter-spacing: -0.02em;
}

.marchia-login-brand p {
  font-size: 14px;
  color: var(--marchia-text-secondary);
  margin: 0;
}

.marchia-login-card {
  background: var(--marchia-surface);
  border: 1px solid var(--marchia-border);
  border-radius: var(--marchia-radius-xl);
  padding: 32px;
  box-shadow: var(--marchia-shadow-lg);
}

.marchia-login-card .form-group {
  margin-bottom: 20px;
}

.marchia-login-card label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--marchia-text-primary);
  margin-bottom: 6px;
}

.marchia-login-card .form-input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--marchia-border);
  border-radius: var(--marchia-radius-md);
  font-family: var(--marchia-font);
  font-size: 14px;
  color: var(--marchia-text-primary);
  background: var(--marchia-bg);
  outline: none;
  transition: all var(--marchia-transition);
}

.marchia-login-card .form-input:focus {
  border-color: var(--marchia-accent);
  background: var(--marchia-surface);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.marchia-login-card .form-input::placeholder {
  color: var(--marchia-text-tertiary);
}

.marchia-login-card .login-btn {
  width: 100%;
  padding: 11px;
  background: var(--marchia-primary);
  color: white;
  border: none;
  border-radius: var(--marchia-radius-md);
  font-family: var(--marchia-font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--marchia-transition);
}

.marchia-login-card .login-btn:hover {
  background: var(--marchia-primary-light);
}

.marchia-login-card .login-btn:active {
  transform: scale(0.98);
}

.marchia-login-card .login-error {
  background: var(--marchia-error-bg);
  color: var(--marchia-error);
  padding: 10px 14px;
  border-radius: var(--marchia-radius-md);
  font-size: 13px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.marchia-login-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 12px;
  color: var(--marchia-text-tertiary);
}

/* ── Grid System Utility ──────────────────────────────────────── */
.marchia-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.marchia-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

@media (max-width: 992px) {
  .marchia-grid-2 { grid-template-columns: 1fr; }
  .marchia-grid-3 { grid-template-columns: 1fr; }
}