/* ═══════════════════════════════════════════
   Meesho Profit Analytics - Design System
   Dark/Light Theme · Glassmorphism · Premium
   ═══════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

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

/* ─── Global Overflow Guard (Desktop mode on mobile) ─── */
html {
  overflow-x: hidden;
}
body {
  overflow-x: hidden;
  min-width: 0;
}

:root {
  --bg-primary: #06060f;
  --bg-secondary: #0c0c1d;
  --bg-card: rgba(15, 15, 35, 0.7);
  --bg-card-hover: rgba(20, 20, 45, 0.8);
  --bg-glass: rgba(255,255,255,0.04);
  --bg-glass-hover: rgba(255,255,255,0.07);
  --bg-input: rgba(255,255,255,0.06);
  --border-glass: rgba(255,255,255,0.08);
  --border-focus: rgba(99,102,241,0.5);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99,102,241,0.3);
  --success: #10b981;
  --success-bg: rgba(16,185,129,0.12);
  --danger: #ef4444;
  --danger-bg: rgba(239,68,68,0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245,158,11,0.12);
  --info: #3b82f6;
  --info-bg: rgba(59,130,246,0.12);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
  --transition: all 0.2s ease;
  --sidebar-width: 280px;
  --header-height: 72px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ─── Language Selector ─── */
.language-selector { position: relative; }
.language-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    margin-top: 8px;
    overflow: hidden;
    display: none !important;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}
.language-dropdown.show { display: block !important; }
.language-option {
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}
.language-option:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}
.language-option.active {
    background: rgba(99,102,241,0.1);
    color: var(--accent);
}
.language-option i {
    font-size: 12px;
    opacity: 0.6;
}

/* ─── Layout ─── */
.app-layout { display: flex; min-height: 100vh; overflow-x: hidden; }

.sidebar {
  position: fixed; top: 0; left: 0; width: var(--sidebar-width);
  height: 100vh; background: var(--bg-secondary);
  border-right: 1px solid var(--border-glass);
  display: flex; flex-direction: column; z-index: 100;
  transition: transform 0.3s ease;
  min-width: 0;
}

.sidebar-header {
  padding: 20px 24px; border-bottom: 1px solid var(--border-glass);
  display: flex; align-items: center; gap: 12px;
}

.sidebar-logo {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px; color: white;
}

.sidebar-title { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.sidebar-subtitle { font-size: 11px; color: var(--text-muted); font-weight: 500; }

.sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }

.nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: var(--radius);
  color: var(--text-secondary); text-decoration: none;
  font-size: 14px; font-weight: 500;
  transition: var(--transition); position: relative;
}

.nav-link:hover { background: var(--bg-glass-hover); color: var(--text-primary); }

.nav-link.active {
  background: var(--accent-glow); color: var(--accent-hover);
  font-weight: 600;
}

.nav-link.active::before {
  content: ''; position: absolute; left: 0; top: 50%;
  transform: translateY(-50%); width: 3px; height: 20px;
  background: var(--accent); border-radius: 0 3px 3px 0;
}

.nav-link svg, .nav-link i { width: 20px; height: 20px; flex-shrink: 0; }

.sidebar-footer {
  padding: 16px; border-top: 1px solid var(--border-glass);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  transition: var(--transition);
}

.user-info-link {
  text-decoration: none;
  display: block;
  margin-top: auto;
}

.user-info-link:hover .user-info {
  background: var(--bg-glass-hover);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.user-name { font-size: 13px; font-weight: 600; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 150px; }
.user-email { font-size: 11px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 150px; }

.main-content {
  margin-left: var(--sidebar-width); flex: 1;
  min-height: 100vh; padding: 32px 32px;
  min-width: 0; position: relative;
  background: var(--bg-primary);
  overflow-x: hidden;
  max-width: calc(100vw - var(--sidebar-width));
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.page-header { margin-bottom: 28px; }
.page-title { font-size: clamp(18px, 3vw, 24px); font-weight: 700; color: var(--text-primary); margin-bottom: 4px; word-break: break-word; }
.page-subtitle { font-size: 14px; color: var(--text-muted); word-break: break-word; }

/* ─── Mobile menu ─── */
.mobile-header {
  display: none; position: fixed; top: 0; left: 0; right: 0;
  height: 60px; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-glass);
  padding: 0 16px; align-items: center; justify-content: space-between;
  z-index: 99;
}

.menu-toggle {
  background: none; border: none; color: var(--text-primary);
  font-size: 24px; cursor: pointer; padding: 8px;
}

.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.5); z-index: 99;
}

/* ─── Cards ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
  min-width: 0;
  overflow: hidden;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.card:hover { border-color: rgba(255,255,255,0.12); }
.card-header { padding: 20px 24px; border-bottom: 1px solid var(--border-glass); }
.card-title { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.card-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.card-body { padding: 24px; }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--border-glass); }

/* ─── KPI Cards ─── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }

.kpi-card {
  background: var(--bg-card); border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg); padding: 20px;
  backdrop-filter: blur(12px); transition: var(--transition);
  position: relative;
  min-width: 0;
  overflow: hidden;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.kpi-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.kpi-card.accent::before { background: linear-gradient(90deg, #6366f1, #8b5cf6); }
.kpi-card.success::before { background: linear-gradient(90deg, #10b981, #34d399); }
.kpi-card.danger::before { background: linear-gradient(90deg, #ef4444, #f87171); }
.kpi-card.warning::before { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.kpi-card.info::before { background: linear-gradient(90deg, #3b82f6, #60a5fa); }

.kpi-card:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.12); box-shadow: var(--shadow); }

.kpi-label { font-size: 12px; font-weight: 500; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.kpi-value { font-size: clamp(16px, 2.5vw, 22px); font-weight: 700; color: var(--text-primary); word-break: break-all; }
.kpi-value.profit { color: var(--success); }
.kpi-value.loss { color: var(--danger); }
.kpi-change { font-size: 12px; margin-top: 6px; font-weight: 500; }
.kpi-change.positive { color: var(--success); }
.kpi-change.negative { color: var(--danger); }
.kpi-icon { position: absolute; top: 20px; right: 20px; font-size: 20px; opacity: 0.4; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius);
  font-family: inherit; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  border: 1px solid transparent; text-decoration: none;
  line-height: 1.4; white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white; border: none;
  box-shadow: 0 2px 12px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 20px var(--accent-glow); }

.btn-secondary { background: var(--bg-glass); color: var(--text-primary); border: 1px solid var(--border-glass); }
.btn-secondary:hover { background: var(--bg-glass-hover); border-color: rgba(255,255,255,0.15); }

.btn-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }

.btn-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(16,185,129,0.2); }

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-icon { padding: 8px; width: 36px; height: 36px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

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

.table th {
  padding: 12px 16px; font-size: 12px; font-weight: 700;
  color: var(--text-secondary); border-bottom: 1px solid var(--border-glass);
  transition: background 0.2s;
}
.sortable-header { position: relative; padding-right: 25px !important; cursor: pointer; user-select: none; }
.sortable-header:hover { background: rgba(255,255,255,0.03); color: var(--text-primary); }
.sortable-header::after { content: '\f0dc'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; right: 10px; top: 50%; transform: translateY(-50%); opacity: 0.2; font-size: 10px; }
.sortable-header.sort-asc { color: var(--accent); }
.sortable-header.sort-asc::after { content: '\f0de'; opacity: 1; color: var(--accent); }
.sortable-header.sort-desc { color: var(--accent); }
.sortable-header.sort-desc::after { content: '\f0dd'; opacity: 1; color: var(--accent); }

.form-input, .form-select, .form-textarea {
  width: 100%; padding: 10px 14px;
  background: var(--bg-input); border: 1px solid var(--border-glass);
  border-radius: var(--radius); color: var(--text-primary);
  font-family: inherit; font-size: 14px;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder { color: var(--text-muted); }
.form-textarea { min-height: 100px; resize: vertical; }
.form-select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
.form-select option { background: var(--bg-secondary); color: var(--text-primary); }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ─── Tables ─── */
.table-container {
  width: 100%; border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1rem;
  max-width: 100%;
}
.table-container::-webkit-scrollbar { height: 6px; }
.table-container::-webkit-scrollbar-thumb { background: var(--border-glass); border-radius: 10px; }
.table-container::-webkit-scrollbar-track { background: transparent; }


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

.table th {
  padding: 12px 16px; text-align: left;
  font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--text-muted); background: var(--bg-glass);
  border-bottom: 1px solid var(--border-glass);
  white-space: nowrap; position: sticky; top: 0;
  transition: background 0.2s;
}
.sortable-header { position: relative; padding-right: 25px !important; cursor: pointer; user-select: none; }
.sortable-header:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }
.sortable-header::after { content: '\f0dc'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; right: 10px; top: 50%; transform: translateY(-50%); opacity: 0.2; font-size: 10px; }
.sortable-header.sort-asc { color: var(--accent); }
.sortable-header.sort-asc::after { content: '\f0de'; opacity: 1; color: var(--accent); }
.sortable-header.sort-desc { color: var(--accent); }
.sortable-header.sort-desc::after { content: '\f0dd'; opacity: 1; color: var(--accent); }

.table td {
  padding: 10px 16px; border-bottom: 1px solid var(--border-glass);
  color: var(--text-secondary); vertical-align: middle;
}

.table tr:hover td { background: var(--bg-glass); }
.table tr:last-child td { border-bottom: none; }

.text-right { text-align: right !important; }
.text-center { text-align: center !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted { color: var(--text-muted) !important; }
.font-mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; }

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

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-info { background: var(--info-bg); color: var(--info); }

/* ─── Alerts / Toast ─── */
.alert {
  padding: 14px 18px; border-radius: var(--radius);
  margin-bottom: 16px; font-size: 14px;
  display: flex; align-items: center; gap: 10px;
  border: 1px solid;
}

.alert-success { background: var(--success-bg); border-color: rgba(16,185,129,0.2); color: var(--success); }
.alert-danger { background: var(--danger-bg); border-color: rgba(239,68,68,0.2); color: var(--danger); }
.alert-warning { background: var(--warning-bg); border-color: rgba(245,158,11,0.2); color: var(--warning); }
.alert-info { background: var(--info-bg); border-color: rgba(59,130,246,0.2); color: var(--info); }

/* ─── Premium Auth Pages ─── */
.auth-split-layout {
  display: flex;
  min-height: 100vh;
  background: var(--bg-primary);
}

.auth-brand-side {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(6,6,15,1) 0%, rgba(15,15,35,1) 100%);
}

[data-theme="light"] .auth-brand-side {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.auth-brand-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.6;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(99,102,241,0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(168,85,247,0.15) 0%, transparent 50%);
  filter: blur(40px);
}

.auth-brand-content {
  position: relative;
  z-index: 1;
  max-width: 480px;
  text-align: left;
}

.auth-brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 40px;
  text-decoration: none;
}

.auth-brand-logo-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  color: white;
  box-shadow: 0 8px 24px rgba(99,102,241,0.4);
}

.auth-brand-title {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .auth-brand-title {
  background: linear-gradient(135deg, #0f172a, #475569);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-brand-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 40px;
}

.auth-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.auth-feature-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transform: translateY(0);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.auth-feature-item:hover {
  transform: translateY(-4px);
  border-color: rgba(99,102,241,0.3);
}

.auth-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(99,102,241,0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.auth-feature-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.auth-form-side {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--bg-primary);
  box-shadow: -20px 0 40px rgba(0,0,0,0.1);
  z-index: 2;
}

.auth-controls {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
  padding: 24px 40px;
  width: 100%;
}

.auth-form-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 40px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
}

.auth-title { font-size: 28px; font-weight: 800; margin-bottom: 8px; color: var(--text-primary); }
.auth-subtitle { font-size: 15px; color: var(--text-secondary); margin-bottom: 32px; }

.auth-footer { text-align: center; margin-top: 32px; font-size: 14px; color: var(--text-muted); }
.auth-footer a { color: var(--accent); text-decoration: none; font-weight: 600; transition: color 0.2s; }
.auth-footer a:hover { color: var(--accent-hover); }

.auth-divider { display: flex; align-items: center; gap: 12px; margin: 24px 0; font-size: 13px; color: var(--text-muted); font-weight: 500; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border-glass); }

.auth-lang-selector { position: relative; }
.auth-lang-selector .form-select {
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  height: 40px;
  padding-left: 36px;
  padding-right: 30px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
}
.auth-lang-selector .form-select:hover { border-color: rgba(99,102,241,0.3); }

.auth-theme-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 16px;
}
.auth-theme-btn:hover { border-color: rgba(99,102,241,0.3); background: rgba(99,102,241,0.05); }

@media (max-width: 992px) {
  .auth-split-layout { flex-direction: column; }
  .auth-brand-side { padding: 30px 20px; align-items: flex-start; justify-content: flex-start; flex: none; border-bottom: 1px solid var(--border-glass); }
  .auth-brand-title { font-size: 26px; margin-bottom: 8px; }
  .auth-brand-subtitle { margin-bottom: 0; font-size: 14px; }
  .auth-features { display: none; }
  .auth-brand-logo { margin-bottom: 16px; font-size: 20px; }
  .auth-brand-logo-icon { width: 36px; height: 36px; font-size: 18px; border-radius: 10px; }
  .auth-controls { padding: 16px 20px; position: absolute; top: 0; right: 0; width: auto; z-index: 10; }
  .auth-form-wrapper { padding: 30px 20px; align-items: flex-start; }
}

/* ─── Loading / Spinner ─── */
.spinner {
  width: 20px; height: 20px; border: 2px solid var(--border-glass);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  position: fixed; inset: 0; display: flex; align-items: center;
  justify-content: center; background: rgba(6,6,15,0.8);
  z-index: 1000; backdrop-filter: blur(4px);
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-glass) 25%, rgba(255,255,255,0.06) 50%, var(--bg-glass) 75%);
  background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 8px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ─── Upload Zone ─── */
.upload-zone {
  border: 2px dashed var(--border-glass); border-radius: var(--radius-lg);
  padding: 48px 24px; text-align: center; cursor: pointer;
  transition: var(--transition); position: relative;
}
.upload-zone:hover, .upload-zone.dragover { border-color: var(--accent); background: rgba(99,102,241,0.05); }
.upload-zone-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.6; }
.upload-zone-text { font-size: 15px; color: var(--text-secondary); margin-bottom: 4px; }
.upload-zone-hint { font-size: 12px; color: var(--text-muted); }
.upload-zone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.upload-zone-lock {
  border: 2px dashed var(--border-glass);
  border-radius: var(--radius-lg);
  background: var(--bg-glass);
  opacity: 0.7;
  cursor: not-allowed;
  transition: var(--transition);
}
.upload-zone-lock.hidden { display: none; }

/* ─── Tabs ─── */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border-glass); margin-bottom: 24px; overflow-x: auto; }
.tab-btn {
  padding: 10px 18px; background: none; border: none;
  color: var(--text-muted); font-family: inherit; font-size: 13px;
  font-weight: 500; cursor: pointer; transition: var(--transition);
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── Charts ─── */
.chart-container { position: relative; width: 100%; padding: 16px 0; }
.chart-container canvas { max-width: 100%; }

/* ─── Pagination ─── */
.pagination { display: flex; align-items: center; justify-content: center; gap: 4px; margin-top: 20px; }
.pagination .page-btn {
  padding: 6px 12px; border-radius: 8px; font-size: 13px;
  background: var(--bg-glass); border: 1px solid var(--border-glass);
  color: var(--text-secondary); cursor: pointer; transition: var(--transition);
}
.pagination .page-btn:hover { background: var(--bg-glass-hover); color: var(--text-primary); }
.pagination .page-btn.active { background: var(--accent-glow); color: var(--accent); border-color: var(--accent); }

/* ─── Utility Classes ─── */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.p-0 { padding: 0; }
.hidden { display: none !important; }
.w-full { width: 100%; }

/* ─── 404 ─── */
.not-found-container { text-align: center; padding: 80px 20px; }
.not-found-icon { font-size: 64px; margin-bottom: 16px; }
.not-found-container h1 { font-size: 72px; font-weight: 800; background: linear-gradient(135deg, var(--accent), #ec4899); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.not-found-container p { color: var(--text-muted); margin: 12px 0 28px; }

/* ─── Empty State ─── */
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }
.empty-state h3 { color: var(--text-secondary); margin-bottom: 8px; }

/* ─── Modal ─── */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 1000; display: none; align-items: center; justify-content: center; backdrop-filter: blur(4px); padding: 20px; }
.modal-backdrop.show { display: flex; }
.modal { background: var(--bg-secondary); border: 1px solid var(--border-glass); border-radius: var(--radius-xl); width: 100%; max-width: 500px; max-height: 90vh; overflow-y: auto; overflow-x: hidden; word-wrap: break-word; overflow-wrap: break-word; }
.modal-header { padding: 20px 24px; border-bottom: 1px solid var(--border-glass); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 20px; cursor: pointer; padding: 4px; }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border-glass); display: flex; justify-content: flex-end; gap: 8px; }

/* ─── Progress ─── */
.progress-bar { height: 6px; background: var(--bg-glass); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; transition: width 0.3s ease; background: linear-gradient(90deg, var(--accent), #a855f7); }

/* ─── Formula Tooltips ─── */
.info-tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-left: 6px;
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: var(--text-muted);
  font-size: 10px;
  vertical-align: middle;
  cursor: help;
}
.info-tip:hover, .info-tip:focus { color: var(--text-primary); border-color: rgba(99,102,241,0.5); outline: none; }
[data-tooltip] { position: relative; }
[data-tooltip]:hover, [data-tooltip]:focus { z-index: 9999; }
[data-tooltip]:hover::after,
[data-tooltip]:focus::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 9px);
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: min(340px, 82vw);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 12px;
  line-height: 1.45;
  text-align: left;
  white-space: pre-line;
  z-index: 99999;
  pointer-events: none;
  box-shadow: var(--shadow-lg);
}
[data-tooltip]:hover::before,
[data-tooltip]:focus::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 3px);
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  z-index: 99999;
  pointer-events: none;
}

/* ─── Account Selector ─── */
.sidebar-account-selector {
  padding: 4px 16px 12px;
  position: relative;
}
.account-selector-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.account-selector-label i { font-size: 11px; }
.account-selector-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.account-selector-btn:hover {
  background: var(--bg-glass-hover);
  border-color: rgba(255,255,255,0.15);
}
.account-selector-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.account-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}
.account-selector-chevron {
  font-size: 10px;
  opacity: 0.6;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.account-selector-chevron.rotated { transform: rotate(180deg); }
.account-dropdown {
  display: none;
  position: absolute;
  left: 12px;
  right: 12px;
  top: 100%;
  margin-top: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  overflow: hidden;
  animation: dropFade 0.15s ease;
}
.account-dropdown.open { display: block !important; }
@keyframes dropFade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.account-dropdown-inner {
  max-height: 240px;
  overflow-y: auto;
  padding: 6px;
}
.account-option {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px;
  border-radius: 8px;
  transition: background 0.15s ease;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}
.account-option:hover { background: var(--bg-glass-hover); }
.account-option-main {
  display: flex; align-items: center; gap: 8px;
  flex: 1; padding: 6px 8px; border-radius: 6px;
  cursor: pointer; overflow: hidden;
}
.account-option-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-delete-btn {
  background: transparent; border: none; color: var(--text-muted);
  width: 28px; height: 28px; border-radius: 6px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 11px; opacity: 0; transition: all 0.2s ease;
  flex-shrink: 0;
}
.account-option:hover .account-delete-btn { opacity: 0.6; }
.account-delete-btn:hover { opacity: 1 !important; color: var(--danger); background: rgba(239,68,68,0.1); }
.account-code {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-glass);
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.account-check {
  font-size: 12px;
  color: var(--accent);
  flex-shrink: 0;
  transition: opacity 0.15s;
}
.account-check.hidden { opacity: 0; }
.account-dropdown-divider {
  height: 1px;
  background: var(--border-glass);
  margin: 4px 6px;
}
.account-dropdown-footer {
  padding: 6px;
  border-top: 1px solid var(--border-glass);
}
.account-add-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  background: none;
  border: none;
  color: var(--accent);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}
.account-add-btn:hover { background: var(--accent-glow); }
.account-add-form {
  padding: 10px;
  border-top: 1px solid var(--border-glass);
}
.account-add-input {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  margin-bottom: 8px;
}
.account-add-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.account-color-row {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.color-swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  padding: 0;
}
.color-swatch:hover { transform: scale(1.15); }
.color-swatch.active {
  border-color: white;
  box-shadow: 0 0 0 2px var(--accent), 0 2px 8px rgba(0,0,0,0.3);
  transform: scale(1.15);
}
.account-add-actions {
  display: flex;
  gap: 6px;
}
.account-empty {
  padding: 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
}

/* Account Badge */
.account-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  white-space: nowrap;
}
.account-badge .account-dot { width: 6px; height: 6px; }

/* Per-Account Tooltip Breakdown */
.account-tooltip-breakdown {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-glass);
}
.att-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 0;
  font-size: 12px;
}
.att-name { flex: 1; color: var(--text-secondary); }
.att-val { color: var(--text-primary); font-weight: 600; }

/* ═══════════════════════════════════════
   Responsive
   ═══════════════════════════════════════ */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.show { display: block; }
  .mobile-header { display: flex; }
  .main-content { margin-left: 0; padding: 80px 16px 24px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .auth-card { padding: 28px 20px; }
  .page-title { font-size: 20px; }
  .tabs { gap: 0; }
  .tab-btn { padding: 8px 12px; font-size: 12px; }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .btn-group { flex-direction: column; }
  .flex-between { flex-direction: column; gap: 12px; align-items: flex-start; }
}

/* Global Mobile Responsive Fixes - Applied to ALL pages */
@media (max-width: 768px) {
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
  }
  
  * {
    box-sizing: border-box !important;
    max-width: 100% !important;
  }
  
  /* Container fixes */
  .container, .container-fluid, .main-content, .content, .section {
    width: 100% !important;
    max-width: 100vw !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
    overflow-x: hidden !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  
  /* Grid layouts */
  .grid, .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  
  /* Flex layouts */
  .flex-row, .row {
    flex-direction: column !important;
    gap: 12px !important;
  }
  
  /* Card and component sizing */
  .card, .panel, .box {
    width: 100% !important;
    max-width: 100% !important;
    margin-bottom: 16px !important;
  }
  
  /* Auth card and page title */
  .auth-card { padding: 28px 20px; }
  .page-title { font-size: 20px; }
  
  /* Tabs */
  .tabs { gap: 0; }
  .tab-btn { padding: 8px 12px; font-size: 12px; }
  
  /* Button fixes */
  .btn, button {
    width: auto !important;
    max-width: 100% !important;
    min-height: 44px !important;
  }
  
  .btn-group {
    flex-direction: column !important;
    width: 100% !important;
  }
  
  .btn-group .btn {
    width: 100% !important;
  }
  
  /* Form fixes */
  .form-group, .field {
    margin-bottom: 16px !important;
  }
  
  input, select, textarea {
    width: 100% !important;
    max-width: 100% !important;
    font-size: 16px !important; /* Prevents zoom on iOS */
  }
  
  /* Table fixes - Allow horizontal scrolling instead of stacking */
  .table-container, .table-wrap, .sku-table-wrap {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
  }
  table {
    width: 100% !important;
    min-width: 600px;
  }
}

@media (max-width: 480px) {
  html, body {
    overflow-x: hidden !important;
    width: 100vw !important;
    max-width: 100vw !important;
    min-width: 320px !important;
  }
  
  * {
    box-sizing: border-box !important;
    max-width: 100vw !important;
  }
  
  /* Aggressive container fixes */
  .container, .container-fluid, .main-content, .content, .section {
    padding-left: 12px !important;
    padding-right: 12px !important;
  }
  
  /* Typography scaling */
  h1 { font-size: clamp(20px, 6vw, 28px) !important; }
  h2 { font-size: clamp(18px, 5vw, 24px) !important; }
  h3 { font-size: clamp(16px, 4vw, 20px) !important; }
  p, span, div { font-size: 14px !important; }
  
  /* Component sizing */
  .card, .panel, .box {
    padding: 16px 12px !important;
  }
  
  /* Button sizing */
  .btn, button {
    padding: 12px 16px !important;
    font-size: 14px !important;
  }
}

/* ─── Premium Lock Overlay ─────────────────────────────────────── */
.premium-lock-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 6, 15, 0.6);
  backdrop-filter: blur(2px);
  z-index: 50;
  border-radius: inherit;
  animation: premiumFadeIn 0.3s ease;
}
[data-theme="light"] .premium-lock-overlay {
  background: rgba(255, 255, 255, 0.6);
}
.premium-lock-content {
  text-align: center;
  padding: 24px;
}
.premium-lock-icon {
  font-size: 40px;
  margin-bottom: 8px;
  animation: premiumBounce 2s ease infinite;
}
.premium-lock-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 4px;
}
.premium-lock-content p {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0 0 14px;
}
@keyframes premiumFadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
@keyframes premiumBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Premium plan card hover */
.premium-plan-card:hover {
  border-color: var(--accent) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
}

/* Data blur for free users (month gating) */
.data-blurred {
  filter: blur(6px);
  user-select: none;
  pointer-events: none;
  position: relative;
}
.data-blurred-row {
  position: relative;
}
.data-blurred-row td {
  filter: blur(5px);
  user-select: none;
}
/* ─── Column Header Tooltips ─── */
.info-icon {
    font-size: 10px;
    opacity: 0.6;
    cursor: help;
    margin-left: 2px;
}
th[title] {
    cursor: help;
}