/**
 * DS — Shopify Scraper Pro Design System
 * Premium SaaS dark-mode UI, single source of truth.
 * Replaces style.css + advanced.css + home.css
 */

/* ─── Google Fonts ─────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300..900;1,14..32,300..900&display=swap');

/* ─── Tokens ─────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg:           #070710;
  --bg-2:         #0a0a14;
  --surface:      #0f0f1a;
  --surface-2:    #14142000;
  --surface-hover:#181828;
  --elevated:     #1a1a2e;

  /* Borders */
  --border:       rgba(255,255,255,.07);
  --border-2:     rgba(255,255,255,.12);

  /* Text */
  --text:         #f8f8ff;
  --text-2:       #a0a0b8;
  --muted:        #5a5a72;

  /* Brand */
  --primary:      #6366f1;
  --primary-2:    #818cf8;
  --primary-glow: rgba(99,102,241,.35);
  --accent:       #a78bfa;
  --accent-2:     #c4b5fd;

  /* Semantic */
  --success:      #22c55e;
  --success-glow: rgba(34,197,94,.3);
  --warning:      #f59e0b;
  --error:        #ef4444;
  --error-glow:   rgba(239,68,68,.3);
  --info:         #38bdf8;

  /* Radius */
  --r-xs: 6px;
  --r-sm: 10px;
  --r:    14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.4);
  --shadow:    0 4px 20px rgba(0,0,0,.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.6);
  --shadow-xl: 0 24px 64px rgba(0,0,0,.7);
  --glow-primary: 0 0 40px rgba(99,102,241,.2);

  /* Motion */
  --ease: cubic-bezier(.4,0,.2,1);
  --spring: cubic-bezier(.34,1.56,.64,1);
  --t: .2s;
  --t-slow: .4s;

  /* Sidebar */
  --sidebar-w: 240px;
  --sidebar-collapsed-w: 64px;

  /* Z-index */
  --z-sidebar: 200;
  --z-modal: 400;
  --z-toast: 600;
}

/* ─── Reset & Base ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
::selection { background: rgba(99,102,241,.4); color: var(--text); }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(ellipse 100% 60% at 50% -10%, rgba(99,102,241,.09) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 85% 60%, rgba(167,139,250,.05) 0%, transparent 45%),
    radial-gradient(ellipse 50% 50% at 5% 90%, rgba(99,102,241,.04) 0%, transparent 45%);
  background-attachment: fixed;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img, video { max-width: 100%; display: block; }
::placeholder { color: var(--muted); }

/* ─── Utilities ──────────────────────────────────────── */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: .25rem; } .gap-2 { gap: .5rem; } .gap-3 { gap: .75rem; } .gap-4 { gap: 1rem; }
.text-muted { color: var(--muted); }
.text-2 { color: var(--text-2); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.font-bold { font-weight: 700; }
.truncate { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.animate-fade-in { animation: fadeIn .4s var(--ease) both; }
.animate-slide-in { animation: slideIn .4s var(--spring) both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes slideIn { from { opacity: 0; transform: translateX(-12px); } to { opacity: 1; transform: none; } }

/* ─── Sidebar Layout ─────────────────────────────────── */
.layout {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar ─────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: var(--z-sidebar);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-right: 1px solid var(--border);
  transition: width var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
  overflow: hidden;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
  min-height: 64px;
  flex-shrink: 0;
}

.sidebar-logo {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.sidebar-logo svg { width: 18px; height: 18px; }

.sidebar-brand-name {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -.025em;
  color: var(--text);
  white-space: nowrap;
}

.sidebar-brand-badge {
  font-size: .65rem;
  font-weight: 700;
  color: var(--primary-2);
  background: rgba(99,102,241,.15);
  border: 1px solid rgba(99,102,241,.3);
  border-radius: var(--r-full);
  padding: .1em .5em;
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: .75rem .75rem;
  scrollbar-width: none;
}

.sidebar-nav::-webkit-scrollbar { display: none; }

.sidebar-section {
  margin-bottom: 1.25rem;
}

.sidebar-section-label {
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 .5rem .5rem;
  white-space: nowrap;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5625rem .75rem;
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-size: .9rem;
  font-weight: 500;
  transition: background var(--t) var(--ease), color var(--t) var(--ease), box-shadow var(--t) var(--ease);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
}

.nav-item svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
  opacity: .7;
  transition: opacity var(--t) var(--ease);
}

.nav-item:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.nav-item:hover svg { opacity: 1; }

.nav-item.active {
  background: rgba(99,102,241,.12);
  color: var(--primary-2);
  box-shadow: inset 2px 0 0 var(--primary);
  font-weight: 600;
}

.nav-item.active svg { opacity: 1; color: var(--primary); }

.nav-item-badge {
  margin-left: auto;
  font-size: .65rem;
  font-weight: 700;
  background: var(--primary);
  color: #fff;
  border-radius: var(--r-full);
  padding: .15em .5em;
  min-width: 1.25rem;
  text-align: center;
}

.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: .5rem 0;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.user-info {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .625rem .75rem;
  border-radius: var(--r-sm);
  transition: background var(--t) var(--ease);
  cursor: pointer;
}

.user-info:hover { background: var(--surface-hover); }

.user-avatar {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  color: #fff;
}

.user-name {
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.user-plan {
  font-size: .7rem;
  color: var(--muted);
}

/* ─── Main Content ───────────────────────────────────── */
.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--t-slow) var(--ease);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 2rem;
  min-height: 56px;
  background: rgba(7,7,16,.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.topbar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-2);
  flex: 1;
}

.topbar-title strong {
  color: var(--text);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.content {
  padding: 2rem;
  max-width: 1280px;
  width: 100%;
}

/* ─── Page Header ────────────────────────────────────── */
.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -.035em;
  background: linear-gradient(135deg, var(--text) 30%, var(--text-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: .375rem;
}

.page-header p {
  color: var(--muted);
  font-size: .9375rem;
}

/* ─── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .5625rem 1.125rem;
  font: 600 .9rem/1 inherit;
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: transform var(--t) var(--spring), box-shadow var(--t) var(--ease), background var(--t) var(--ease), opacity var(--t) var(--ease);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.1) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--t) var(--ease);
  pointer-events: none;
}
.btn:hover::before { opacity: 1; }
.btn:active:not(:disabled) { transform: scale(.97) !important; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #5558e3 60%, #4f46e5 100%);
  color: #fff;
  box-shadow: 0 2px 0 rgba(0,0,0,.2), 0 4px 20px var(--primary-glow);
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 0 rgba(0,0,0,.15), 0 12px 32px var(--primary-glow);
}

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #16a34a 100%);
  color: #fff;
  box-shadow: 0 2px 0 rgba(0,0,0,.15), 0 4px 16px var(--success-glow);
}
.btn-success:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 0 rgba(0,0,0,.1), 0 12px 24px var(--success-glow);
}

.btn-danger {
  background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%);
  color: #fff;
  box-shadow: 0 2px 0 rgba(0,0,0,.15), 0 4px 16px var(--error-glow);
}
.btn-danger:hover:not(:disabled) {
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border-2);
  color: var(--text-2);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--surface-hover);
  border-color: rgba(255,255,255,.18);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--text-2);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--surface-hover);
  color: var(--text);
}

.btn-xs { padding: .3rem .625rem; font-size: .75rem; }
.btn-sm { padding: .4375rem .875rem; font-size: .8125rem; }
.btn-lg { padding: .75rem 1.5rem; font-size: 1rem; border-radius: var(--r); }
.btn-xl { padding: .9375rem 2rem; font-size: 1.0625rem; border-radius: var(--r); }
.btn-block { width: 100%; }

/* Icon button */
.btn-icon {
  width: 36px; height: 36px;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: var(--r-sm);
}
.btn-icon:hover:not(:disabled) {
  background: var(--surface-hover);
  color: var(--text);
  border-color: var(--border-2);
}
.btn-icon svg { width: 16px; height: 16px; }

/* ─── Cards ──────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
  box-shadow: 0 1px 0 rgba(255,255,255,.02) inset;
}

.card:hover {
  border-color: var(--border-2);
  box-shadow: var(--shadow), 0 1px 0 rgba(255,255,255,.03) inset;
}

.card-header {
  display: flex;
  align-items: center;
  gap: .875rem;
  margin-bottom: 1.5rem;
}

.card-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  background: rgba(99,102,241,.12);
  border: 1px solid rgba(99,102,241,.2);
}
.card-icon.success { background: rgba(34,197,94,.1); border-color: rgba(34,197,94,.2); color: var(--success); }
.card-icon.warning { background: rgba(245,158,11,.1); border-color: rgba(245,158,11,.2); color: var(--warning); }
.card-icon.error { background: rgba(239,68,68,.1); border-color: rgba(239,68,68,.2); color: var(--error); }

.card-title { font-size: 1rem; font-weight: 700; letter-spacing: -.015em; }
.card-subtitle { font-size: .8125rem; color: var(--muted); margin-top: .15rem; }

/* ─── Stat Cards ─────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.25rem 1.5rem;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease), transform var(--t) var(--spring);
}

.stat-card:hover {
  border-color: rgba(99,102,241,.35);
  box-shadow: var(--shadow), 0 0 0 1px rgba(99,102,241,.08);
  transform: translateY(-2px);
}

.stat-card__icon {
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  background: rgba(99,102,241,.12);
  border: 1px solid rgba(99,102,241,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.stat-card__icon svg { width: 18px; height: 18px; color: var(--primary); }
.stat-card__value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -.04em;
  color: var(--text);
  line-height: 1;
  margin-bottom: .375rem;
}
.stat-card__label { font-size: .8125rem; color: var(--muted); font-weight: 500; }
.stat-card__trend { font-size: .75rem; margin-top: .5rem; color: var(--success); }

/* ─── Forms ──────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: .375rem;
  letter-spacing: -.005em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: .625rem 1rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  font: inherit;
  font-size: .9375rem;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.form-input:hover, .form-select:hover, .form-textarea:hover { border-color: var(--border-2); }

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,.2);
}

.form-textarea { min-height: 120px; resize: vertical; }
.form-select[multiple] { min-height: 200px; }

.form-hint { font-size: .8rem; color: var(--muted); margin-top: .375rem; }
.form-error { font-size: .8rem; color: var(--error); margin-top: .375rem; }

/* Input with prefix icon */
.input-wrapper {
  position: relative;
}
.input-icon {
  position: absolute;
  left: .875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}
.input-icon svg { width: 16px; height: 16px; }
.input-wrapper .form-input { padding-left: 2.5rem; }

/* ─── Checkbox ───────────────────────────────────────── */
.checkbox-card {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  padding: 1rem 1.125rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}
.checkbox-card:hover { border-color: var(--border-2); background: var(--surface); }
.checkbox-card input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); cursor: pointer; flex-shrink: 0; margin-top: .1rem; }
.checkbox-card-content { flex: 1; }
.checkbox-card-title { font-weight: 600; font-size: .9rem; color: var(--text); display: block; }
.checkbox-card-desc { font-size: .8rem; color: var(--muted); margin-top: .2rem; display: block; }

/* ─── Progress ───────────────────────────────────────── */
.progress-track {
  background: var(--bg-2);
  border-radius: var(--r-full);
  overflow: hidden;
  height: 6px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: var(--r-full);
  transition: width .4s var(--ease);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent);
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

.progress-xl { height: 10px; }

/* ─── Steps ──────────────────────────────────────────── */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  margin-bottom: 2rem;
}

.step {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.step-num {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8125rem;
  font-weight: 700;
  transition: all var(--t) var(--ease);
  flex-shrink: 0;
}

.step.active .step-num {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 16px var(--primary-glow);
}

.step.done .step-num {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

.step-label { font-size: .8125rem; color: var(--muted); font-weight: 500; }
.step.active .step-label, .step.done .step-label { color: var(--text); }

.step-connector {
  width: 40px; height: 2px;
  background: var(--border-2);
  border-radius: 1px;
  flex-shrink: 0;
  transition: background var(--t) var(--ease);
}
.step-connector.done { background: var(--success); }

/* ─── Loading ────────────────────────────────────────── */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.15);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.spinner-lg { width: 36px; height: 36px; border-width: 3px; }

/* ─── Badge / Pill ───────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3em;
  padding: .2em .65em;
  border-radius: var(--r-full);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.badge-primary { background: rgba(99,102,241,.15); color: var(--primary-2); border: 1px solid rgba(99,102,241,.3); }
.badge-success { background: rgba(34,197,94,.12); color: var(--success); border: 1px solid rgba(34,197,94,.25); }
.badge-warning { background: rgba(245,158,11,.12); color: var(--warning); border: 1px solid rgba(245,158,11,.25); }
.badge-error { background: rgba(239,68,68,.12); color: var(--error); border: 1px solid rgba(239,68,68,.25); }
.badge-muted { background: rgba(255,255,255,.06); color: var(--muted); border: 1px solid var(--border); }
.badge-pro { background: linear-gradient(135deg, rgba(167,139,250,.2), rgba(99,102,241,.15)); color: var(--accent-2); border: 1px solid rgba(167,139,250,.3); }

/* Status dot */
.status-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  margin-right: .25em;
}
.status-dot.success { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.warning { background: var(--warning); }
.status-dot.error { background: var(--error); box-shadow: 0 0 6px var(--error); }
.status-dot.pending { background: var(--muted); }
.status-dot.processing { background: var(--primary); animation: pulse 1s ease infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 var(--primary-glow); } 50% { box-shadow: 0 0 0 4px transparent; } }

/* ─── Tables ─────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--border); }

table { width: 100%; border-collapse: collapse; font-size: .875rem; }

thead {
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

th {
  padding: .875rem 1.125rem;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: left;
  white-space: nowrap;
}

td {
  padding: .875rem 1.125rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
}

tr:last-child td { border-bottom: none; }

tbody tr {
  background: var(--surface);
  transition: background var(--t) var(--ease);
}
tbody tr:hover { background: var(--surface-hover); }

/* ─── Modal ──────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t) var(--ease);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-xl);
  padding: 2rem;
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(16px) scale(.97);
  transition: transform var(--t-slow) var(--spring);
}

.modal-overlay.open .modal {
  transform: none;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.modal-title { font-size: 1.125rem; font-weight: 700; letter-spacing: -.02em; }
.modal-close {
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.25rem;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}
.modal-close:hover { background: var(--surface-hover); color: var(--text); }

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* ─── Toast ──────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: .75rem;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .875rem 1.25rem;
  background: var(--elevated);
  border: 1px solid var(--border-2);
  border-radius: var(--r);
  box-shadow: var(--shadow-lg);
  font-size: .875rem;
  font-weight: 500;
  max-width: 340px;
  pointer-events: all;
  animation: toastIn .35s var(--spring) both;
}

.toast-icon {
  width: 20px; height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: .75rem;
  font-weight: 700;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.success .toast-icon { background: rgba(34,197,94,.15); color: var(--success); }
.toast.error { border-left: 3px solid var(--error); }
.toast.error .toast-icon { background: rgba(239,68,68,.15); color: var(--error); }
.toast.info { border-left: 3px solid var(--primary); }
.toast.info .toast-icon { background: rgba(99,102,241,.15); color: var(--primary-2); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.warning .toast-icon { background: rgba(245,158,11,.15); color: var(--warning); }

@keyframes toastIn { from { opacity: 0; transform: translateX(30px) scale(.95); } to { opacity: 1; transform: none; } }

/* ─── Tabs ───────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: .25rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: .25rem;
  margin-bottom: 1.5rem;
  width: fit-content;
}

.tab {
  padding: .5rem 1.125rem;
  border-radius: var(--r-sm);
  font-size: .875rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--t) var(--ease);
  border: none;
  background: none;
  font-family: inherit;
}
.tab:hover { color: var(--text-2); background: var(--surface); }
.tab.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }

/* ─── Empty State ────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-state__icon {
  width: 72px; height: 72px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: rgba(99,102,241,.08);
  border: 1px dashed rgba(99,102,241,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.empty-state__icon svg { width: 32px; height: 32px; }
.empty-state__title { font-size: 1.125rem; font-weight: 700; margin-bottom: .5rem; }
.empty-state__desc { color: var(--muted); font-size: .9rem; max-width: 320px; margin: 0 auto 1.5rem; }

/* ─── Two-column layout ──────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ─── Dropdown ───────────────────────────────────────── */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + .5rem);
  right: 0;
  background: var(--elevated);
  border: 1px solid var(--border-2);
  border-radius: var(--r);
  padding: .375rem;
  min-width: 220px;
  box-shadow: var(--shadow-lg);
  z-index: 50;
  display: none;
  animation: toastIn .2s var(--spring) both;
}

.dropdown.open .dropdown-menu { display: block; }

.dropdown-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .625rem .875rem;
  border-radius: var(--r-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}
.dropdown-item:hover { background: var(--surface-hover); color: var(--text); }
.dropdown-item svg { width: 14px; height: 14px; opacity: .7; }

.dropdown-divider { height: 1px; background: var(--border); margin: .375rem 0; }

/* ─── Code / Diff ────────────────────────────────────── */
.code-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 1rem 1.25rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: .8125rem;
  color: var(--text-2);
  overflow-x: auto;
  line-height: 1.7;
}

/* ─── Mobile sidebar overlay ─────────────────────────── */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: calc(var(--z-sidebar) - 1);
}

/* ─── Responsive ─────────────────────────────────────── */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-backdrop.show { display: block; }

  .main {
    margin-left: 0 !important;
  }

  .two-col { grid-template-columns: 1fr; }
  .three-col { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .content { padding: 1rem; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .three-col { grid-template-columns: 1fr; }
  .topbar { padding: 0 1rem; }
}

@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; }
  .modal { padding: 1.25rem; }
}

/* ─── Public / Landing pages (no sidebar) ─────────────── */
.page-wrap {
  max-width: 500px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
}

/* ─── Landing Navbar ─────────────────────────────────── */
.landing-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 2rem;
  min-height: 60px;
  background: rgba(7,7,16,.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.landing-nav-logo {
  display: flex;
  align-items: center;
  gap: .625rem;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -.025em;
  color: var(--text);
  margin-right: auto;
}

.landing-nav-logo .logo-icon {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px var(--primary-glow);
}
.landing-nav-logo .logo-icon svg { width: 15px; height: 15px; color: #fff; }

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.landing-nav-links a {
  padding: .4375rem .875rem;
  border-radius: var(--r-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--t) var(--ease), background var(--t) var(--ease);
}
.landing-nav-links a:hover { color: var(--text); background: rgba(255,255,255,.06); }

/* ─── Usage bars ─────────────────────────────────────── */
.usage-item {
  margin-bottom: 1.25rem;
}

.usage-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: .5rem;
  font-size: .8125rem;
  font-weight: 500;
  color: var(--text-2);
}

.usage-value { color: var(--text); font-weight: 700; }

/* ─── Divider ────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}