/* ==========================================================================
   GMV PILOT — PRODUCTION DESIGN SYSTEM v1.0
   Light theme mirror Seller Center + TikTok Red accent
   ========================================================================== */

:root {
  /* Backgrounds */
  --bg: #FFFFFF;
  --surface: #F5F7FA;
  --surface-2: #F8F9FB;
  --surface-3: #FAFBFC;
  
  /* Borders */
  --border: #E5E7EB;
  --border-strong: #D1D5DB;
  
  /* Text */
  --text: #161823;
  --text-secondary: #737B85;
  --text-tertiary: #A8B0BA;
  
  /* Accent (TikTok red) */
  --accent: #FE2C55;
  --accent-hover: #E11D48;
  --accent-light: #FFE4EA;
  --accent-dark: #BE1340;
  
  /* Semantic colors */
  --success: #00BA88;
  --success-light: #E0F7F1;
  --success-dark: #007553;
  
  --warning: #FFA94D;
  --warning-light: #FFF2E0;
  --warning-dark: #B86515;
  
  --info: #4A90FF;
  --info-light: #E6F0FF;
  --info-dark: #2563EB;
  
  --danger: #FF4D4F;
  --danger-light: #FFEAEA;
  --danger-dark: #DC2626;
  
  --purple: #A78BFA;
  --purple-light: #F2EEFE;
  --purple-dark: #6D28D9;
  
  /* Spacing */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbars */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ─── TOP NAV (Seller Center green gradient) ─── */
.gp-topnav {
  background: linear-gradient(to right, #0d2818, #1a3a26);
  color: white;
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.gp-topnav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 16px;
  color: white;
  text-decoration: none;
}
.gp-topnav-logo .logo-mark {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}
.gp-topnav-logo .sep { color: rgba(255,255,255,.4); margin: 0 4px; }
.gp-topnav-page-title { font-weight: 400; font-size: 14px; }

.gp-topnav-search {
  flex: 1;
  max-width: 600px;
  background: rgba(255,255,255,.1);
  border-radius: 8px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  cursor: pointer;
  transition: background .15s;
}
.gp-topnav-search:hover { background: rgba(255,255,255,.15); }
.gp-topnav-search kbd {
  margin-left: auto;
  font-size: 11px;
  padding: 2px 6px;
  background: rgba(255,255,255,.15);
  border-radius: 4px;
  font-family: inherit;
}
.gp-topnav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.gp-topnav-right .icon-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  cursor: pointer;
  color: rgba(255,255,255,.85);
  font-size: 16px;
}
.gp-topnav-right .icon-btn:hover { background: rgba(255,255,255,.1); }
.gp-topnav-user {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; cursor: pointer; color: white;
}
.gp-topnav-user .avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #ff6b9f, #ff4d4f);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; color: white;
}

/* ─── LAYOUT ─── */
.gp-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 56px);
}

/* ─── SIDEBAR ─── */
.gp-sidebar {
  background: white;
  border-right: 1px solid var(--border);
  padding: 16px 12px;
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.gp-sidebar-group { margin-bottom: 8px; }
.gp-sidebar-group-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  padding: 8px 12px;
  font-weight: 500;
}
.gp-sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  margin-bottom: 2px;
  transition: all .15s;
  text-decoration: none;
}
.gp-sidebar-item:hover { background: var(--surface); color: var(--text); }
.gp-sidebar-item.active {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 500;
}
.gp-sidebar-item .icon {
  width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

/* Automation status box */
.gp-automation-box {
  margin-top: auto;
  padding: 12px;
  background: var(--success-light);
  border-radius: 8px;
  border: 1px solid #C7F0DD;
}
.gp-automation-box.off {
  background: var(--surface);
  border-color: var(--border);
}
.gp-automation-dot {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 4px;
}
.gp-automation-dot span:first-child {
  width: 8px; height: 8px;
  background: var(--success);
  border-radius: 50%;
}
.gp-automation-box.off .gp-automation-dot span:first-child {
  background: var(--text-tertiary);
}
.gp-automation-dot span:last-child {
  font-size: 11px;
  color: var(--success-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.gp-automation-box.off .gp-automation-dot span:last-child { color: var(--text-secondary); }
.gp-automation-status {
  font-size: 13px;
  font-weight: 600;
  color: var(--success-dark);
}
.gp-automation-box.off .gp-automation-status { color: var(--text-secondary); }
.gp-automation-meta {
  font-size: 11px;
  color: #00875A;
  margin-top: 4px;
}
.gp-automation-box.off .gp-automation-meta { color: var(--text-tertiary); }

/* Sidebar logout link */
.gp-sidebar-logout {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  margin-top: 8px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color .15s;
}
.gp-sidebar-logout:hover { color: var(--danger); background: var(--danger-light); }

/* ─── MAIN CONTENT ─── */
.gp-main {
  padding: 24px 32px;
  max-width: 100%;
  overflow-x: hidden;
}

/* Page header */
.gp-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}
.gp-page-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
}
.gp-page-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.gp-page-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* Breadcrumb */
.gp-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}
.gp-breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
}
.gp-breadcrumb a:hover { color: var(--accent); }

/* ─── BUTTONS ─── */
.gp-btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: white;
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .15s;
  font-family: inherit;
  text-decoration: none;
}
.gp-btn:hover {
  background: var(--surface);
  border-color: var(--border-strong);
}
.gp-btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.gp-btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.gp-btn-danger {
  background: var(--danger-light);
  border-color: var(--danger-light);
  color: var(--danger-dark);
}
.gp-btn-danger:hover {
  background: #FFD4D4;
  border-color: #FFD4D4;
}
.gp-btn-sm { padding: 5px 10px; font-size: 12px; }
.gp-btn-lg { padding: 11px 22px; font-size: 14px; }

/* Action button (icon-style) */
.gp-btn-action {
  padding: 5px 11px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: white;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.gp-btn-action:hover { background: var(--surface); color: var(--text); }
.gp-btn-action.danger {
  color: var(--danger-dark);
  border-color: var(--danger-light);
  background: var(--danger-light);
}
.gp-btn-action.danger:hover { background: #FFD4D4; }
.gp-btn-action.primary {
  color: white;
  border-color: var(--accent);
  background: var(--accent);
}
.gp-btn-action.primary:hover { background: var(--accent-hover); }

/* ─── CARDS ─── */
.gp-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
}
.gp-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.gp-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.gp-card-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.gp-card-actions { display: flex; gap: 8px; }
.gp-card-body { padding: 20px; }

/* ─── METRIC CARDS ─── */
.gp-metric-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}
.gp-metric-grid.cols-6 { grid-template-columns: repeat(6, 1fr); }
.gp-metric-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.gp-metric-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.gp-metric-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.gp-metric-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1280px) {
  .gp-metric-grid.cols-6 { grid-template-columns: repeat(3, 1fr); }
  .gp-metric-grid.cols-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .gp-metric-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .gp-layout { grid-template-columns: 1fr; }
  .gp-sidebar { display: none; }
}

.gp-metric-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}
.gp-metric-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.gp-metric-value {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.gp-metric-value.success { color: var(--success-dark); }
.gp-metric-value.warning { color: var(--warning-dark); }
.gp-metric-value.info { color: var(--info-dark); }
.gp-metric-value.danger { color: var(--danger-dark); }
.gp-metric-trend {
  font-size: 11px;
  color: var(--text-tertiary);
}
.gp-metric-trend.up { color: var(--success); }
.gp-metric-trend.down { color: var(--danger); }

/* ─── TABLE ─── */
.gp-table-wrap { overflow-x: auto; }
table.gp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.gp-table thead { background: var(--surface-2); }
.gp-table thead th {
  text-align: left;
  padding: 11px 16px;
  font-weight: 500;
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.gp-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.gp-table tbody tr:hover { background: var(--surface-3); }
.gp-table tbody tr:last-child td { border-bottom: none; }
.gp-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.gp-campaign-name { font-weight: 500; color: var(--text); }
.gp-campaign-name a { color: var(--accent); text-decoration: none; }
.gp-campaign-id {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px;
  font-family: 'SF Mono', Consolas, monospace;
}

/* ─── PILLS / BADGES ─── */
.gp-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.gp-pill-success { background: var(--success-light); color: var(--success-dark); }
.gp-pill-warning { background: var(--warning-light); color: var(--warning-dark); }
.gp-pill-info { background: var(--info-light); color: var(--info-dark); }
.gp-pill-danger { background: var(--danger-light); color: var(--danger-dark); }
.gp-pill-purple { background: var(--purple-light); color: var(--purple-dark); }
.gp-pill-gray { background: var(--surface); color: var(--text-secondary); }
.gp-pill-accent { background: var(--accent-light); color: var(--accent-dark); }

/* ─── FORMS ─── */
.gp-form-group { margin-bottom: 16px; }
.gp-form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}
.gp-form-hint {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 4px;
}
.gp-form-control {
  width: 100%;
  padding: 9px 12px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text);
  font-family: inherit;
  outline: none;
  transition: all .15s;
}
.gp-form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.gp-form-control:disabled {
  background: var(--surface);
  color: var(--text-tertiary);
  cursor: not-allowed;
}

/* Search input with icon */
.gp-search-input {
  position: relative;
}
.gp-search-input::before {
  content: '🔍';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
}
.gp-search-input input {
  padding-left: 38px;
}

/* Filter chips */
.gp-chip-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.gp-chip {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: white;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
  display: inline-block;
}
.gp-chip:hover { background: var(--surface); }
.gp-chip.active {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--accent-light);
  font-weight: 500;
}

/* Tabs */
.gp-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  background: white;
  gap: 2px;
}
.gp-tab {
  padding: 14px 18px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.gp-tab:hover { color: var(--text); }
.gp-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Flash messages */
.gp-flash {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid;
}
.gp-flash-success { background: var(--success-light); border-color: #C7F0DD; color: var(--success-dark); }
.gp-flash-error { background: var(--danger-light); border-color: #FFD4D4; color: var(--danger-dark); }
.gp-flash-info { background: var(--info-light); border-color: #B8D4FF; color: var(--info-dark); }
.gp-flash-warning { background: var(--warning-light); border-color: #FFD9A8; color: var(--warning-dark); }

/* Sub-banner (subscription warning) */
.gp-sub-banner {
  background: var(--warning-light);
  border: 1px solid #FFD9A8;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--warning-dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.gp-sub-banner a {
  color: var(--warning-dark);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

/* Toggle switch */
.gp-toggle {
  position: relative;
  width: 36px;
  height: 20px;
  background: var(--border-strong);
  border-radius: 10px;
  cursor: pointer;
  flex-shrink: 0;
  border: none;
  transition: background .2s;
}
.gp-toggle.on { background: var(--success); }
.gp-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: white;
  transition: transform .2s;
}
.gp-toggle.on .gp-toggle-thumb { transform: translateX(16px); }

/* Modal */
.gp-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(22, 24, 35, .5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.gp-modal {
  background: white;
  border-radius: 16px;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 50px rgba(0,0,0,.15);
}
.gp-modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.gp-modal-title {
  font-size: 16px;
  font-weight: 600;
}
.gp-modal-close {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary);
  font-size: 18px;
}
.gp-modal-close:hover { background: var(--surface); color: var(--text); }
.gp-modal-body { padding: 22px; }
.gp-modal-footer {
  padding: 16px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* Utilities */
.gp-flex { display: flex; }
.gp-flex-1 { flex: 1; }
.gp-gap-2 { gap: 8px; }
.gp-gap-3 { gap: 12px; }
.gp-gap-4 { gap: 16px; }
.gp-mt-2 { margin-top: 8px; }
.gp-mt-3 { margin-top: 12px; }
.gp-mt-4 { margin-top: 16px; }
.gp-mb-2 { margin-bottom: 8px; }
.gp-mb-3 { margin-bottom: 12px; }
.gp-mb-4 { margin-bottom: 16px; }
.gp-text-sm { font-size: 12px; }
.gp-text-muted { color: var(--text-secondary); }
.gp-text-tertiary { color: var(--text-tertiary); }
.gp-text-accent { color: var(--accent); }
.gp-text-success { color: var(--success); }
.gp-text-warning { color: var(--warning); }
.gp-text-danger { color: var(--danger); }
.gp-font-mono { font-family: 'SF Mono', Consolas, monospace; }
.gp-font-medium { font-weight: 500; }
.gp-font-semibold { font-weight: 600; }