/* ============ base ============ */
:root {
  --bg: #0b0f1a;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf4;
  --text-dim: #8b93a7;
  --accent: #6c5ce7;
  --accent-2: #00cec9;
  --danger: #ff6b6b;
  --radius: 18px;
  --mono: "Cascadia Code", "SF Mono", Consolas, monospace;
}

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

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

.bg-glow {
  position: fixed;
  width: 55vmax; height: 55vmax;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
}
.bg-glow-1 { background: #6c5ce7; top: -20%; right: -10%; }
.bg-glow-2 { background: #00cec9; bottom: -25%; left: -10%; }

/* ============ topbar ============ */
.topbar {
  position: relative; z-index: 1;
  padding: 28px 40px 10px;
}
.logo { display: flex; align-items: center; gap: 14px; }
.logo-mark {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  font-size: 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(108, 92, 231, 0.4);
}
.logo h1 { font-size: 22px; letter-spacing: 0.3px; }
.logo p { font-size: 12px; color: var(--text-dim); }

/* ============ layout (single column) ============ */
.layout {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  gap: 26px;
  max-width: 900px;
  margin: 18px auto 0;
  padding: 0 40px 30px;
}
@media (max-width: 700px) {
  .layout { padding: 0 16px 24px; }
  .topbar { padding: 24px 20px 8px; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 26px;
  backdrop-filter: blur(14px);
  width: 100%;
}
.panel-title {
  font-size: 15px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1.4px;
  color: var(--text-dim);
  display: flex; align-items: center; gap: 10px;
}
.generator { max-width: 100%; }

/* ============ brand picker ============ */
.brand-picker { display: flex; flex-wrap: wrap; gap: 9px; margin: 20px 0 24px; }
.chip {
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  padding: 8px 15px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  display: inline-flex; align-items: center; gap: 7px;
}
.chip .dot { width: 8px; height: 8px; border-radius: 50%; }
.chip:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.25); transform: translateY(-1px); }
.chip.active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #8f7bff);
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(108, 92, 231, 0.45);
}

/* ============ card visual ============ */
.card-stage { perspective: 1200px; margin-bottom: 8px; }
.card3d {
  width: 100%;
  max-width: 430px;
  aspect-ratio: 1.586;
  margin: 0 auto;
  cursor: default;
  transition: transform 0.35s ease;
}
.card-face {
  position: relative;
  width: 100%; height: 100%;
  border-radius: 20px;
  padding: 24px 26px;
  display: flex; flex-direction: column; justify-content: space-between;
  background: linear-gradient(135deg, #24243e, #1a1a2e);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 22px 45px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  will-change: transform;
}
.card3d:hover { transform: translateY(-5px) rotateX(4deg); }

/* brand gradients — shared by big card and batch thumbnails */
.card-face[data-brand="visa"],
.batch-thumb[data-brand="visa"]          { background: linear-gradient(135deg, #1a1f71 0%, #27359c 55%, #3b4fd8 100%); }
.card-face[data-brand="mastercard"],
.batch-thumb[data-brand="mastercard"]    { background: linear-gradient(135deg, #1b1b1b 0%, #3a2318 60%, #eb001b 160%); }
.card-face[data-brand="amex"],
.batch-thumb[data-brand="amex"]          { background: linear-gradient(135deg, #006fcf 0%, #2d9cff 100%); }
.card-face[data-brand="discover"],
.batch-thumb[data-brand="discover"]      { background: linear-gradient(135deg, #232323 0%, #4a3421 65%, #f60 150%); }
.card-face[data-brand="jcb"],
.batch-thumb[data-brand="jcb"]           { background: linear-gradient(135deg, #0b1e3a 0%, #143a6b 100%); }
.card-face[data-brand="diners"],
.batch-thumb[data-brand="diners"]        { background: linear-gradient(135deg, #004a97 0%, #0079be 100%); }
.card-face[data-brand="unionpay"],
.batch-thumb[data-brand="unionpay"]      { background: linear-gradient(135deg, #b8232f 0%, #d4344a 50%, #022e64 100%); }

.card-face::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.18), transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(255, 255, 255, 0.08), transparent 45%);
  pointer-events: none;
}
.card-face::after {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(115deg, transparent 0 22px, rgba(255, 255, 255, 0.025) 22px 24px);
  pointer-events: none;
}

.card-top { display: flex; justify-content: space-between; align-items: flex-start; position: relative; z-index: 2; }
.card-chip {
  width: 46px; height: 34px;
  border-radius: 7px;
  background: linear-gradient(135deg, #e8d48b, #c9a84c);
  display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr;
  gap: 2px; padding: 4px;
}
.card-chip span { background: rgba(120, 90, 20, 0.45); border-radius: 2px; }

.card-brand-logo { height: 30px; display: flex; align-items: center; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3)); }
.card-brand-logo svg { height: 100%; width: auto; }

.card-number {
  position: relative; z-index: 2;
  font-family: var(--mono);
  font-size: clamp(19px, 2.6vw, 26px);
  letter-spacing: 2.5px;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.35);
  white-space: nowrap;
}

.card-bottom { display: flex; align-items: flex-end; gap: 22px; position: relative; z-index: 2; }
.card-field { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.card-field:first-child { flex: 1; }
.card-label { font-size: 9.5px; text-transform: uppercase; letter-spacing: 1.6px; color: rgba(255, 255, 255, 0.65); }
.card-value { font-size: 14px; font-weight: 600; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-field[data-copy="cvv"] .card-value { font-family: var(--mono); letter-spacing: 1.5px; }

/* clickable copy targets (card + field boxes) */
.clickable { cursor: pointer; border-radius: 6px; transition: background 0.15s ease; }
.card-number.clickable { display: inline-block; align-self: flex-start; padding: 3px 7px; margin: -3px -7px; }
.card-field.clickable { padding: 3px 7px; margin: -3px -7px; }
.card-number.clickable:hover, .card-field.clickable:hover { background: rgba(255, 255, 255, 0.14); }
.card-number.clickable:active, .card-field.clickable:active,
.field-box.clickable:active { transform: scale(0.98); }

/* ============ batch slider (thumbnails) ============ */
.batch-strip {
  display: flex; gap: 12px;
  overflow-x: auto;
  padding: 16px 4px 10px;
  scroll-behavior: smooth;
}
.batch-strip::-webkit-scrollbar { height: 6px; }
.batch-strip::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); border-radius: 3px; }

.batch-thumb {
  flex: 0 0 auto;
  width: 122px; height: 77px;
  border-radius: 10px;
  border: 2px solid rgba(255, 255, 255, 0.14);
  padding: 9px 10px;
  display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start;
  cursor: pointer;
  color: #fff;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.4);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  position: relative;
  overflow: hidden;
}
.batch-thumb::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.16), transparent 45%);
  pointer-events: none;
}
.batch-thumb:hover { transform: translateY(-4px); }
.batch-thumb.active {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(0, 206, 201, 0.25), 0 8px 18px rgba(0, 0, 0, 0.4);
}
.bt-brand { font-size: 9px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; opacity: 0.9; }
.bt-number { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.5px; }

.stage-hint { text-align: center; font-size: 12px; color: var(--text-dim); margin: 10px 0 22px; }

/* ============ data fields ============ */
.fields-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .fields-grid { grid-template-columns: 1fr; } }
.field-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 12px 14px;
  transition: border-color 0.18s ease, background 0.18s ease;
  cursor: pointer;
  user-select: none;
}
.field-box:hover { border-color: rgba(108, 92, 231, 0.55); background: rgba(108, 92, 231, 0.08); }
.field-box.copied { border-color: rgba(0, 206, 201, 0.6); background: rgba(0, 206, 201, 0.08); }
.field-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 7px; }
.field-name { font-size: 10.5px; text-transform: uppercase; letter-spacing: 1.4px; color: var(--text-dim); font-weight: 700; }
.field-value { font-family: var(--mono); font-size: 14px; word-break: break-all; }

/* ============ actions ============ */
.actions { display: flex; gap: 12px; margin-top: 22px; }
.btn-generate {
  flex: 1;
  padding: 15px;
  font-size: 15px; font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #9b8cff);
  border: none; border-radius: 13px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  box-shadow: 0 10px 26px rgba(108, 92, 231, 0.42);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}
.btn-generate:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn-generate:active { transform: translateY(0) scale(0.98); }
.btn-icon { font-size: 17px; }
.btn-ghost {
  padding: 15px 22px;
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  border-radius: 13px;
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-ghost:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.3); }
.btn-ghost.small { padding: 7px 14px; font-size: 12px; border-radius: 9px; }
.btn-ghost.small:hover { color: var(--danger); border-color: rgba(255, 107, 107, 0.5); }

/* quantity selector */
.qty-box {
  display: flex; align-items: center; gap: 9px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--panel-border);
  border-radius: 13px;
  padding: 0 16px;
}
.qty-box:focus-within { border-color: rgba(108, 92, 231, 0.6); }
.qty-box label { font-size: 10.5px; text-transform: uppercase; letter-spacing: 1.4px; color: var(--text-dim); font-weight: 700; }
.qty-box input {
  width: 46px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 16px; font-weight: 700;
  font-family: var(--mono);
  text-align: center;
  -moz-appearance: textfield;
  appearance: textfield;
}
.qty-box input::-webkit-outer-spin-button,
.qty-box input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ============ history section ============ */
.fh-toolbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-bottom: 18px;
}
.fh-toolbar .panel-title { margin-right: auto; }
.fh-controls { display: flex; gap: 10px; flex-wrap: wrap; }

.fh-search, .fh-select {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  color: var(--text);
  font-size: 13.5px;
  padding: 9px 14px;
  outline: none;
  transition: border-color 0.15s ease;
}
.fh-search { width: 250px; font-family: var(--mono); }
.fh-search:focus, .fh-select:focus { border-color: rgba(108, 92, 231, 0.6); }
.fh-search::placeholder { color: var(--text-dim); font-family: "Segoe UI", system-ui, sans-serif; }
.fh-select option { background: #141824; color: var(--text); }

.table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--panel-border); }
.data-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.data-table thead th {
  text-align: left;
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 1.4px;
  color: var(--text-dim); font-weight: 700;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--panel-border);
  white-space: nowrap;
}
.data-table thead th.sortable { cursor: pointer; user-select: none; }
.data-table thead th.sortable:hover { color: var(--text); }
.data-table thead th.sorted-asc::after  { content: " ▲"; color: var(--accent-2); }
.data-table thead th.sorted-desc::after { content: " ▼"; color: var(--accent-2); }

.data-table tbody td {
  padding: 11px 14px;
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  white-space: nowrap;
}
.data-table tbody tr { transition: background 0.12s ease; }
.data-table tbody tr:hover { background: rgba(108, 92, 231, 0.07); }
.data-table tbody tr:last-child td { border-bottom: none; }

.td-number { font-family: var(--mono); }
.td-date { color: var(--text-dim); font-size: 12px; }
.td-actions { display: flex; gap: 6px; }
.td-cvv { font-family: var(--mono); }

/* click a table cell to copy that single value */
.cell-copy { cursor: pointer; transition: background 0.12s ease, color 0.12s ease; border-radius: 4px; }
.data-table td.cell-copy:hover { background: rgba(108, 92, 231, 0.18); color: #fff; }
.data-table td.cell-copy:active { transform: scale(0.97); }

.fh-footer { margin-top: 12px; font-size: 12px; color: var(--text-dim); text-align: right; }

.count-badge {
  background: rgba(0, 206, 201, 0.15);
  color: var(--accent-2);
  font-size: 11.5px; font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
}
.storage-badge {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  font-size: 10.5px; font-weight: 600;
  padding: 2px 9px;
  border-radius: 999px;
  text-transform: none;
  letter-spacing: 0.2px;
}
.storage-badge.file {
  background: rgba(0, 206, 201, 0.12);
  border-color: rgba(0, 206, 201, 0.35);
  color: var(--accent-2);
}

.hi-brand {
  width: 34px; height: 26px;
  border-radius: 8px;
  display: inline-grid; place-items: center;
  font-size: 9px; font-weight: 800; color: #fff;
  letter-spacing: 0.3px;
}

/* brand badge colors */
.hi-brand[data-brand="visa"]       { background: linear-gradient(135deg, #1a1f71, #3b4fd8); }
.hi-brand[data-brand="mastercard"] { background: linear-gradient(135deg, #eb001b, #f79e1b); }
.hi-brand[data-brand="amex"]       { background: linear-gradient(135deg, #006fcf, #2d9cff); }
.hi-brand[data-brand="discover"]   { background: linear-gradient(135deg, #e55c20, #f6a24a); }
.hi-brand[data-brand="jcb"]        { background: linear-gradient(135deg, #0e4c96, #2a8fd8); }
.hi-brand[data-brand="diners"]     { background: linear-gradient(135deg, #004a97, #0079be); }
.hi-brand[data-brand="unionpay"]   { background: linear-gradient(135deg, #b8232f, #022e64); }

.icon-btn {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s ease;
}
.icon-btn:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.3); }
.icon-btn.del:hover { color: var(--danger); border-color: rgba(255, 107, 107, 0.45); }

.empty-state { text-align: center; color: var(--text-dim); padding: 40px 10px; font-size: 14px; line-height: 1.7; }
.empty-icon { font-size: 36px; margin-bottom: 10px; opacity: 0.7; }

/* ============ toast ============ */
.toast {
  position: fixed;
  bottom: 28px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: rgba(20, 24, 38, 0.95);
  border: 1px solid rgba(0, 206, 201, 0.4);
  color: var(--accent-2);
  font-size: 13.5px; font-weight: 600;
  padding: 12px 24px;
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.2);
  z-index: 50;
  pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ============ footer ============ */
.footer {
  position: relative; z-index: 1;
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
  padding: 6px 20px 30px;
}