:root {
  --bg-0: #070b16;
  --bg-1: #0d1324;
  --panel: rgba(20, 27, 48, 0.72);
  --panel-border: rgba(120, 149, 210, 0.18);
  --ink: #e8ecf8;
  --ink-soft: #a9b2cc;
  --ink-dim: #737d99;
  --accent: #3b8cff;
  --accent-soft: rgba(59, 140, 255, 0.18);
  --accent-ring: rgba(59, 140, 255, 0.45);
  --chip: rgba(59, 140, 255, 0.14);
  --chip-ink: #9ec3ff;
  --pill: rgba(255, 255, 255, 0.05);
  --ok: #4ade80;
  --radius: 14px;
  --shadow-lg: 0 30px 60px -20px rgba(0, 0, 0, 0.65);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--ink);
  font-family: "Segoe UI Variable", "Segoe UI", -apple-system, BlinkMacSystemFont,
    "Inter", system-ui, sans-serif;
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  overflow-x: hidden;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(59, 140, 255, 0.25), transparent 60%),
    radial-gradient(900px 600px at 95% 10%, rgba(138, 79, 255, 0.18), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, rgba(22, 196, 167, 0.12), transparent 60%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1));
}

.shell {
  max-width: 920px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

/* Hero */
.hero {
  text-align: center;
  margin-bottom: 40px;
}

.eyebrow {
  display: inline-block;
  padding: 6px 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--chip-ink);
  background: var(--chip);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
}

.hero h1 {
  margin: 18px 0 10px;
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #ffffff 10%, #b8c4e5 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .sub {
  max-width: 640px;
  margin: 0 auto;
  color: var(--ink-soft);
  font-size: 16px;
}

/* Auth bar */
.auth-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding: 10px 14px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  color: var(--ink-soft);
  font-size: 13px;
  backdrop-filter: blur(12px);
}

.auth-bar .btn {
  margin-left: auto;
  padding: 6px 12px;
  font-size: 12px;
}

.auth-bar code {
  font-family: "SF Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  padding: 1px 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  color: var(--chip-ink);
}

.auth-bar a {
  color: var(--chip-ink);
  text-decoration: underline;
  text-decoration-color: rgba(158, 195, 255, 0.4);
}


.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  flex: none;
}

.dot-on {
  background: var(--ok);
  box-shadow: 0 0 10px rgba(74, 222, 128, 0.55);
}

.dot-off {
  background: #f59e0b;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

.dot-err {
  background: #ef4444;
}

/* Search */
.search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search:focus-within {
  border-color: var(--accent-ring);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-lg);
}

.search-icon {
  width: 20px;
  height: 20px;
  color: var(--ink-dim);
  flex: none;
}

.search input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--ink);
  font-size: 17px;
  padding: 18px 0;
  font-family: inherit;
}

.search input::placeholder {
  color: var(--ink-dim);
}

.hint {
  display: none;
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  padding: 4px 8px;
  border-radius: 6px;
}

@media (min-width: 640px) {
  .hint {
    display: inline-block;
  }
}

/* Status */
.status {
  margin: 18px 4px 14px;
  color: var(--ink-dim);
  font-size: 13px;
  min-height: 18px;
}

/* Results */
.results {
  display: grid;
  gap: 14px;
}

.card {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  transition: transform 0.15s ease, border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(120, 149, 210, 0.35);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.chip {
  font-family: "SF Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--chip-ink);
  background: var(--chip);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
}

.meta {
  font-size: 12px;
  color: var(--ink-dim);
}

.title {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.pill {
  font-size: 12px;
  color: var(--ink-soft);
  background: var(--pill);
  border: 1px solid var(--panel-border);
  padding: 4px 10px;
  border-radius: 999px;
}

.pill:empty {
  display: none;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: #4f99ff;
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: var(--panel-border);
}

.btn-ghost:hover {
  color: var(--ink);
  border-color: rgba(120, 149, 210, 0.45);
}

.btn-ghost.copied {
  color: var(--ok);
  border-color: rgba(74, 222, 128, 0.45);
}

.btn-accent {
  background: linear-gradient(180deg, #8a4fff, #5b3ae0);
  color: #fff;
  box-shadow: 0 10px 25px -10px rgba(138, 79, 255, 0.8);
}

.btn-accent:hover {
  filter: brightness(1.08);
}

.btn-accent:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: none;
  box-shadow: none;
}

/* Generate row */
.gen-row {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 12px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--panel-border);
}

/* Stepper */
.stepper {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 240px;
  padding: 10px 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.stepper:focus-within {
  border-color: var(--accent-ring);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.stepper-icon {
  width: 22px;
  height: 22px;
  color: var(--chip-ink);
  flex: none;
}

.stepper-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.stepper-label {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.stepper-controls {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  overflow: hidden;
}

.stepper-btn {
  width: 30px;
  height: 32px;
  padding: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1;
  color: var(--ink-soft);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-family: inherit;
}

.stepper-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
}

.stepper-btn:active {
  background: rgba(255, 255, 255, 0.1);
}

.stepper-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.stepper-input {
  width: 56px;
  padding: 6px 0;
  background: transparent;
  border: 0;
  border-left: 1px solid var(--panel-border);
  border-right: 1px solid var(--panel-border);
  color: var(--ink);
  font-family: "SF Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  -moz-appearance: textfield;
  appearance: textfield;
}

.stepper-input:focus {
  outline: none;
  background: rgba(59, 140, 255, 0.08);
}

.stepper-input::-webkit-outer-spin-button,
.stepper-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.gen-btn {
  align-self: center;
  padding: 12px 20px;
  font-size: 14px;
}

.gen-status {
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink-soft);
}

.gen-status.err {
  color: #fca5a5;
}

.gen-status.ok {
  color: var(--ok);
}

.code-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: grid;
  gap: 6px;
}

.code-list li {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.28);
  border-radius: 8px;
  font-family: "SF Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  color: #d4fce0;
}

.code-list .code-value {
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  background: rgba(74, 222, 128, 0.18);
  border-radius: 6px;
}

.code-list .code-url {
  color: #9ec3ff;
  text-decoration: none;
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.code-list .code-url:hover {
  text-decoration: underline;
}

.code-list .copy-code {
  padding: 4px 10px;
  font-size: 11px;
}

@media (max-width: 520px) {
  .code-list li {
    grid-template-columns: 1fr auto;
  }
  .code-list .code-url {
    grid-column: 1 / -1;
  }
}

/* Empty state */
.empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--ink-dim);
  background: var(--panel);
  border: 1px dashed var(--panel-border);
  border-radius: var(--radius);
}

.empty strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 6px;
}

/* Footer */
.foot {
  margin-top: 48px;
  text-align: center;
  color: var(--ink-dim);
  font-size: 12px;
}

.foot-powered {
  margin-top: 6px;
}
.foot-powered a {
  color: var(--accent);
  text-decoration: none;
}
.foot-powered a:hover {
  text-decoration: underline;
}

.foot code {
  font-family: "SF Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.04);
  padding: 1px 6px;
  border-radius: 4px;
}

@media (max-width: 520px) {
  .shell {
    padding: 40px 16px 64px;
  }
  .card {
    padding: 18px;
  }
  .actions .btn {
    flex: 1;
    justify-content: center;
  }
}