:root {
  color-scheme: dark;
  font-family: "Barlow", "Inter", Arial, sans-serif;
  --bg: #050806;
  --panel: #111714;
  --panel-strong: #17211c;
  --field-bg: #070a08;
  --line: #26352d;
  --text: #f4fff8;
  --muted: #9cafaa;
  --green: #00ff57;
  --green-dark: #00b83e;
  --danger: #ff5964;
  --warn: #f0b429;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 30% 10%, rgba(0, 224, 96, 0.16), transparent 28%), var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

.shell {
  width: min(1040px, 100%);
  margin: 0 auto;
  padding: 40px 24px 56px;
}

.top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}

.brand-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-text {
  display: grid;
  gap: 2px;
}

.eyebrow {
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0;
}

h1 {
  font-size: 30px;
  font-style: italic;
  font-weight: 800;
  line-height: 1;
  margin: 4px 0 0;
}

.intro {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
  max-width: 640px;
  margin: 18px 0 32px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 760px) {
  .grid {
    grid-template-columns: 380px 1fr;
    align-items: start;
  }
}

.panel {
  background: rgba(17, 23, 20, 0.96);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

.type-tabs {
  display: flex;
  gap: 6px;
  background: var(--field-bg);
  border: 1px solid var(--line);
  padding: 4px;
  border-radius: 7px;
  margin-bottom: 22px;
}

.type-tabs button {
  flex: 1;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 9px 6px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
}

.type-tabs button:hover {
  color: var(--text);
}

.type-tabs button.active {
  border-color: rgba(0, 224, 96, 0.28);
  background: rgba(0, 224, 96, 0.1);
  color: var(--text);
}

.type-panel[hidden] {
  display: none;
}

.field {
  margin-bottom: 22px;
}

.field:last-child {
  margin-bottom: 0;
}

.field label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
}

.field .sub,
.sub {
  font-size: 12.5px;
  color: var(--muted);
  margin: 6px 0 0;
  line-height: 1.4;
}

.vcard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.vcard-grid .field {
  margin-bottom: 0;
}

.social-row {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 10px;
}

@media (max-width: 420px) {
  .social-row {
    grid-template-columns: 1fr;
  }
}

input[type="url"],
input[type="text"],
input[type="tel"],
input[type="email"],
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--field-bg);
  color: var(--text);
  padding: 13px 14px;
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(0, 224, 96, 0.15);
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  border: 1.5px dashed var(--line);
  border-radius: 7px;
  padding: 22px 14px;
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
  transition: border-color 0.15s, background 0.15s;
}

.dropzone:hover,
.dropzone.drag {
  border-color: var(--green);
  background: rgba(0, 224, 96, 0.08);
}

.dropzone .icon {
  font-size: 22px;
  line-height: 1;
  color: var(--green);
}

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

.dropzone input {
  display: none;
}

.thumb {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px;
}

.thumb img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 6px;
  background: var(--field-bg);
  padding: 4px;
  box-sizing: border-box;
}

.thumb .name {
  flex: 1;
  font-size: 12.5px;
  color: var(--muted);
}

.thumb button {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
}

.thumb button:hover {
  border-color: var(--green);
  color: var(--green);
}

.range-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

input[type="range"] {
  flex: 1;
  accent-color: var(--green);
}

#size-value {
  font-size: 13px;
  font-weight: 700;
  width: 44px;
  text-align: right;
}

.preview-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.qr-frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--field-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
}

.qr-frame canvas {
  display: block;
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1 / 1;
  height: auto;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.corner {
  position: absolute;
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

.corner.tl {
  top: 14px;
  left: 14px;
  border-top: 3px solid var(--green);
  border-left: 3px solid var(--green);
  border-top-left-radius: 6px;
}

.corner.tr {
  top: 14px;
  right: 14px;
  border-top: 3px solid var(--green);
  border-right: 3px solid var(--green);
  border-top-right-radius: 6px;
}

.corner.bl {
  bottom: 14px;
  left: 14px;
  border-bottom: 3px solid var(--green);
  border-left: 3px solid var(--green);
  border-bottom-left-radius: 6px;
}

.corner.br {
  bottom: 14px;
  right: 14px;
  border-bottom: 3px solid var(--green);
  border-right: 3px solid var(--green);
  border-bottom-right-radius: 6px;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  background: var(--panel-strong);
  color: var(--muted);
  border: 1px solid var(--line);
}

.pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.pill[data-state="good"] {
  background: rgba(0, 224, 96, 0.1);
  color: var(--green);
  border-color: rgba(0, 224, 96, 0.38);
}

.pill[data-state="warn"] {
  background: rgba(240, 180, 41, 0.15);
  color: var(--warn);
  border-color: rgba(240, 180, 41, 0.35);
}

.primary-button {
  border: 1px solid var(--green);
  border-radius: 7px;
  background: linear-gradient(180deg, #74ff9a 0%, var(--green) 48%, var(--green-dark) 100%);
  box-shadow: 0 8px 18px rgba(0, 255, 87, 0.22), 0 3px 0 #001f0a;
  color: #001607;
  font-weight: 800;
  padding: 12px 20px;
  cursor: pointer;
}

.primary-button:hover:not(:disabled) {
  filter: brightness(1.04);
  transform: translateY(-1px);
}

.primary-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.note {
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 620px) {
  .top {
    gap: 12px;
  }

  .brand-logo {
    width: 44px;
    height: 44px;
  }

  h1 {
    font-size: 24px;
  }
}