/* ============================================================================
   DATA EDGE — LIGHT THEME · RED ACCENT · PROFESSIONAL
   ============================================================================ */

:root {
  --white: #FFFFFF;
  --bg: #F5F5F7;
  --bg-secondary: #EEEEF0;
  --sidebar: var(--white);
  --sidebar-border: #E5E5E7;
  --card: var(--white);
  --card-hover: #FAFAFB;
  --border: #E5E5E7;
  --border-hover: #CDCDD0;
  --text: #1C1C1E;
  --text-secondary: #6C6C70;
  --text-tertiary: #9C9CA0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.08);
  --shadow-xl: 0 16px 44px rgba(0,0,0,0.10);

  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Menlo', 'Courier New', monospace;

  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-lg: 17px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 30px;
  --text-4xl: 36px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 20px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 40px;
  --space-4xl: 56px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-3xl: 36px;
  --radius-pill: 999px;

  --red: #DC2626;
  --red-hover: #B91C1C;
  --red-light: #FEF2F2;
  --red-muted: rgba(220,38,38,0.08);
  --chart-red: #DC2626;
  --chart-orange: #EA580C;
  --chart-amber: #D97706;
  --chart-green: #16A34A;
  --chart-purple: #9333EA;
  --chart-pink: #DB2777;
  --chart-gray: #9CA3AF;

  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --subtle-bg: rgba(0,0,0,0.04);

  --primary: var(--red);
  --primary-hover: var(--red-hover);
}

[data-theme="dark"] {
  --bg: #000000;
  --bg-secondary: #0A0A0A;
  --sidebar: #000000;
  --sidebar-border: #1A1A1A;
  --card: #0D0D0D;
  --card-hover: #141414;
  --border: #1A1A1A;
  --border-hover: #2A2A2A;
  --text: #E5E5E7;
  --text-secondary: #9C9CA0;
  --text-tertiary: #6C6C70;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.55);
  --shadow-xl: 0 16px 44px rgba(0,0,0,0.6);
  --red-muted: rgba(220,38,38,0.15);
  --gray-100: #0A0A0A;
  --gray-200: #141414;
  --subtle-bg: rgba(255,255,255,0.04);
}

[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background: var(--bg-secondary);
  color: var(--text);
}

[data-theme="dark"] .modal-box {
  background: var(--card);
}

[data-theme="dark"] .mobile-toolbar {
  background: var(--sidebar);
}

[data-theme="dark"] #manual-phone-wrap {
  background: var(--bg-secondary) !important;
}

[data-theme="dark"] #manual-phone-cc {
  background: var(--sidebar) !important;
  color: var(--text-secondary) !important;
}

[data-theme="dark"] select option {
  background: var(--card);
  color: var(--text);
}

[data-theme="dark"] .upload-zone:hover {
  background: rgba(220,38,38,0.08);
}

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

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

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.5;
}

.app-layout { display: flex; height: 100vh; overflow: hidden; }

/* — SIDEBAR — */
.sidebar {
  width: 272px;
  background: var(--sidebar);
  border-right: 1px solid var(--sidebar-border);
  padding: var(--space-2xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 20px;
  color: var(--white);
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.sidebar-title { font-size: var(--text-lg); font-weight: 700; letter-spacing: -0.02em; color: var(--text); }

.sidebar-nav { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.nav-section { margin-bottom: var(--space-xl); }

.nav-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  padding: 0 var(--space-lg) var(--space-sm);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.15s ease;
  user-select: none;
}

.nav-item:hover { background: var(--bg-secondary); color: var(--text); }
.nav-item.active { background: var(--primary); color: var(--white); font-weight: 600; }

.nav-item svg { width: 18px; height: 18px; stroke-width: 2; flex-shrink: 0; }

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* — MAIN — */
.main-content { flex: 1; overflow-y: auto; padding: var(--space-3xl) var(--space-4xl); position: relative; }

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* — CARDS — */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

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

.card-title { font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.02em; }
.card-subtitle { font-size: var(--text-sm); color: var(--text-secondary); margin-top: var(--space-sm); }

.upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-style: dashed;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.upload-zone:hover { border-color: var(--primary); background: var(--red-muted); }

/* — BUTTONS — */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  user-select: none;
  font-family: var(--font-family);
  letter-spacing: -0.01em;
}

.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }

.btn-secondary { background: var(--bg-secondary); color: var(--text); }
.btn-secondary:hover:not(:disabled) { background: var(--border); }

.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); background: var(--red-muted); }

.btn-sm { padding: var(--space-sm) var(--space-lg); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-lg) var(--space-2xl); font-size: var(--text-base); }
.btn-block { width: 100%; }

/* — FORM — */
input, textarea, select {
  width: 100%;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--text);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  transition: all 0.2s ease;
  outline: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--red-muted);
}

select option { background: var(--white); color: var(--text); }

label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.form-group { margin-bottom: var(--space-xl); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--space-xl); }

/* — BADGE — */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.badge-primary { background: var(--primary); color: var(--white); }
.badge-success { background: #F0FDF4; color: #166534; }
.badge-warning { background: #FFFBEB; color: #92400E; }
.badge-danger { background: #FEF2F2; color: #991B1B; }

/* — LAYOUT — */
.grid { display: grid; gap: var(--space-xl); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; gap: var(--space-lg); }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }

/* — TYPOGRAPHY — */
h1 { font-size: var(--text-4xl); font-weight: 800; letter-spacing: -0.04em; margin-bottom: var(--space-lg); }
h2 { font-size: var(--text-3xl); font-weight: 700; letter-spacing: -0.03em; margin-bottom: var(--space-lg); }
h3 { font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.02em; margin-bottom: var(--space-md); }
p { line-height: 1.6; }
.text-muted { color: var(--text-secondary); }
.text-small { font-size: var(--text-xs); }

/* — UTILITIES — */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }
.p-0 { padding: 0; }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }
.p-2xl { padding: var(--space-2xl); }
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* — ANIMATIONS — */
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.animate-fade-in { animation: fadeIn 0.3s ease-out; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }

.page-section { display: none; }
.page-section.active { display: block; animation: fadeIn 0.3s ease-out; }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-3xl);
  gap: var(--space-2xl);
}

.section-title { flex: 1; }
.section-actions { display: flex; gap: var(--space-lg); flex-wrap: wrap; justify-content: flex-end; }

/* — TABLES — */
table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }

th {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  padding: var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

td { padding: var(--space-lg); border-bottom: 1px solid var(--border); }
tbody tr:hover td { background: var(--bg-secondary); }

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
}

/* — RESPONSIVE — */
:root {
  --break-tablet: 1200px;
  --break-mobile: 900px;
  --break-phone: 480px;
  --mobile-toolbar-h: 52px;
}

html { -webkit-text-size-adjust: 100%; }
body.nav-drawer-open { overflow: hidden; overscroll-behavior: none; }

.sidebar-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.25);
  z-index: 190; opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}
.sidebar-backdrop.visible { opacity: 1; pointer-events: auto; }

.mobile-toolbar {
  display: none;
  align-items: center;
  gap: var(--space-md);
  min-height: var(--mobile-toolbar-h);
  padding: 10px 14px;
  padding-left: max(14px, env(safe-area-inset-left,0px));
  padding-right: max(14px, env(safe-area-inset-right,0px));
  padding-top: max(10px, env(safe-area-inset-top,0px));
  margin: calc(-1 * var(--space-3xl)) calc(-1 * var(--space-4xl)) var(--space-xl) calc(-1 * var(--space-3xl));
  position: sticky; top: 0; z-index: 180;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.mobile-toolbar-title { font-size: var(--text-base); font-weight: 700; letter-spacing: -0.02em; flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.mobile-menu-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; padding: 0; margin: -6px 0 -6px -8px;
  border: none; border-radius: var(--radius-lg); background: transparent;
  color: var(--text); cursor: pointer; flex-shrink: 0;
}
.mobile-menu-btn:hover { background: var(--bg-secondary); }

.page-head-split {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: var(--space-lg); margin-bottom: var(--space-2xl); flex-wrap: wrap;
}

.page-head-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.touch-target { min-height: 44px; padding-left: 14px; padding-right: 14px; }

.progress-bar-bg { height: 6px; background: var(--border); border-radius: var(--radius-pill); overflow: hidden; }
.progress-bar-fill { height: 100%; background: var(--primary); border-radius: var(--radius-pill); transition: width 0.5s ease; }

.vern-campaign-spinner {
  display: inline-block; width: 28px; height: 28px;
  border: 3px solid var(--border); border-top-color: var(--primary);
  border-radius: 50%; animation: spin 0.68s linear infinite; vertical-align: middle;
}

/* — CHARTS GRID — */
.charts-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.charts-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.charts-grid-2 .card, .charts-grid-3 .card { min-width: 0; }

.chart-title {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 var(--space-lg);
  color: var(--text);
}

.chart-subtitle {
  font-size: 11px;
  color: var(--text-secondary);
  margin: -12px 0 var(--space-lg);
  line-height: 1.4;
}

/* — STAT CARDS — */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.stat-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-sm); }

.stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.stat-value {
  font-size: clamp(1.3rem, 3vw, 28px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.stat-value-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.stat-pct {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0;
}

.stat-sparkline { height: 36px; margin-top: 4px; }

/* — PERF CARDS (mini KPI) — */
.perf-grid { margin-bottom: var(--space-xl); }
.perf-card {
  padding: var(--space-lg) var(--space-xl);
  text-align: center;
}
.perf-card .stat-value {
  font-size: clamp(1.6rem, 3vw, 32px);
}
.perf-card .stat-label {
  margin-bottom: var(--space-xs);
}

/* — MODALS — */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.3);
  display: none; align-items: center; justify-content: center;
  padding: var(--space-lg); z-index: 1000;
}
.modal.active, .modal.open { display: flex; }

.modal-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  max-width: 600px; width: 100%;
  max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

/* — BREAKPOINTS — */
@media (max-width: 1200px) {
  .sidebar { width: 220px; }
  .main-content { padding: var(--space-2xl); }
  .charts-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .charts-grid-2 { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-head-split { flex-direction: column; align-items: stretch; }
  .page-head-actions { width: 100%; }
}

@media (max-width: 1000px) {
  .charts-grid-3 { grid-template-columns: 1fr; }
  .charts-grid-2 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .perf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .mobile-toolbar { display: flex; }
  .app-layout .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0;
    width: min(300px, 88vw);
    max-height: 100dvh; height: 100dvh;
    padding-top: max(var(--space-lg), env(safe-area-inset-top,0px));
    padding-bottom: max(var(--space-lg), env(safe-area-inset-bottom,0px));
    border-right: 1px solid var(--border);
    box-shadow: 8px 0 40px rgba(0,0,0,0.12);
    transform: translateX(-105%);
    transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
    z-index: 200;
  }
  .app-layout.sidebar-open .sidebar { transform: translateX(0); }
  .main-content { flex: 1; width: 100%; min-width: 0; padding: var(--space-lg); }
  .charts-grid-3 { grid-template-columns: 1fr; }
  .charts-grid-2 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .perf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-head-split { flex-direction: column; align-items: stretch; }
  .page-head-actions { width: 100%; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .responsive-campaign-upload-split { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .card { padding: var(--space-lg); }
  .modal-box { max-height: min(92dvh, 92vh); }
  h1 { font-size: var(--text-2xl); }
  h2 { font-size: var(--text-xl); }
  input, textarea, select { font-size: 16px; }
  .btn:not(.mobile-menu-btn) { padding: var(--space-md) var(--space-lg); font-size: var(--text-sm); min-height: 44px; }
}

@media (min-width: 901px) {
  .sidebar-backdrop.visible { opacity: 0; pointer-events: none; }
}