/* ═══════════════════════════════════════════════
   QR × Brand — Styles
   ═══════════════════════════════════════════════ */

:root {
  --flame: #FF4008;
  --gothic: #65888C;
  --porsche: #E3B068;
  --contessa: #C26A6A;
  --thunder: #4E4B49;
  --black: #212123;
  --snow: #FFFBFA;
  --chardon: #FAEDE1;
}

/* ─── Reset & Base ─────────────────────────── */

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

body {
  min-height: 100vh;
  background: var(--chardon);
  color: var(--black);
  font-family: 'DM Sans', sans-serif;
}

/* ─── Layout ───────────────────────────────── */

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 20px;
}

.header {
  text-align: center;
  margin-bottom: 28px;
}

.header h1 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  font-weight: 700;
  color: var(--flame);
  margin-bottom: 4px;
}

.header p {
  color: var(--gothic);
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
}

.layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
}

/* ─── Left Panel ───────────────────────────── */

.left-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  padding-right: 6px;
}

.left-panel::-webkit-scrollbar { width: 4px; }
.left-panel::-webkit-scrollbar-thumb { background: #ccc2b6; border-radius: 2px; }

.card {
  background: var(--snow);
  border: 1px solid #e8ddd2;
  border-radius: 3px;
  padding: 18px;
}

.card-desc {
  font-size: 11px;
  color: var(--gothic);
  line-height: 1.5;
  margin-bottom: 8px;
}

/* ─── Labels ───────────────────────────────── */

.sec-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--flame);
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sec-label::before {
  content: '';
  width: 3px;
  height: 12px;
  background: var(--flame);
  border-radius: 0;
}

.mini-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--gothic);
  font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 5px;
}

.hint {
  font-size: 9px;
  color: var(--gothic);
  line-height: 1.5;
  margin-top: 3px;
}

/* ─── Inputs ───────────────────────────────── */

input[type="text"] {
  background: var(--snow);
  border: 1px solid #ddd3c8;
  color: var(--black);
  padding: 10px 13px;
  border-radius: 2px;
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
  width: 100%;
  outline: none;
  transition: border-color 0.2s;
}

input[type="text"]:focus { border-color: var(--flame); }

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 3px;
  background: #ddd3c8;
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--flame);
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(255,64,8,0.2), 0 2px 6px rgba(0,0,0,0.1);
}

/* ─── Buttons ──────────────────────────────── */

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 2px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  width: 100%;
}

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

.btn-accent:hover {
  background: #e63a06;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255,64,8,0.2);
}

.btn-ghost {
  background: var(--snow);
  color: var(--thunder);
  border: 1px solid #ddd3c8;
}

.btn-ghost:hover {
  border-color: var(--flame);
  color: var(--black);
}

/* ─── Tab Bar ──────────────────────────────── */

.tab-bar {
  display: flex;
  background: var(--snow);
  border-radius: 2px;
  padding: 3px;
  border: 1px solid #e8ddd2;
}

.tab-btn {
  flex: 1;
  padding: 8px 4px;
  border: none;
  background: transparent;
  color: var(--gothic);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 2px;
  font-family: 'JetBrains Mono', monospace;
  transition: all 0.15s;
  letter-spacing: 0.5px;
}

.tab-btn.active {
  background: rgba(255,64,8,0.07);
  color: var(--flame);
}

/* ─── Option Grids ─────────────────────────── */

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 7px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; }

.opt-btn {
  padding: 7px 4px;
  border: 1px solid #ddd3c8;
  background: var(--snow);
  color: var(--gothic);
  border-radius: 2px;
  cursor: pointer;
  font-size: 9px;
  font-family: 'JetBrains Mono', monospace;
  transition: all 0.15s;
  text-align: center;
  line-height: 1.3;
}

.opt-btn:hover { border-color: var(--thunder); }

.opt-btn.active {
  border-color: var(--flame);
  color: var(--black);
  background: rgba(255,64,8,0.03);
}

.opt-btn .icon {
  font-size: 15px;
  display: block;
  margin-bottom: 1px;
}

.opt-btn .sub {
  font-size: 8px;
  color: var(--gothic);
  display: block;
  margin-top: 1px;
}

/* ─── Upload Slots ─────────────────────────── */

.upload-slot {
  border: 1px dashed #ccc2b6;
  border-radius: 3px;
  padding: 10px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
  background: var(--snow);
}

.upload-slot:hover {
  border-color: var(--flame);
  background: #fff;
}

.upload-slot.filled {
  border-color: #ccc2b6;
  border-style: solid;
}

.upload-slot .plus { font-size: 22px; color: #bbb0a2; }
.upload-slot .label { font-size: 8px; color: var(--gothic); font-family: 'JetBrains Mono', monospace; }
.upload-slot img { width: 30px; height: 30px; object-fit: contain; }

.rm-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 2px;
  background: rgba(194,106,106,0.12);
  color: var(--contessa);
  border: none;
  font-size: 13px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.upload-slot:hover .rm-btn { display: flex; }

/* ─── Color Controls ───────────────────────── */

.color-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: 2px;
  border: 1px solid #ddd3c8;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
  cursor: pointer;
}

.color-swatch input[type="color"] {
  position: absolute;
  inset: -8px;
  width: 150%;
  height: 150%;
  cursor: pointer;
  border: none;
  padding: 0;
}

.hex-input {
  background: var(--snow);
  border: 1px solid #ddd3c8;
  color: var(--black);
  padding: 6px 10px;
  border-radius: 2px;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  width: 96px;
  outline: none;
}

.hex-input:focus { border-color: var(--flame); }
.hex-input.invalid { border-color: var(--contessa); }

/* ─── Toggle ───────────────────────────────── */

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.toggle-row span { font-size: 12px; }

.toggle {
  width: 38px;
  height: 22px;
  border-radius: 11px;
  background: #ccc2b6;
  cursor: pointer;
  position: relative;
  transition: background 0.2s;
  border: none;
}

.toggle.on { background: var(--flame); }

.toggle::after {
  content: '';
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  position: absolute;
  top: 3px;
  left: 3px;
  transition: transform 0.2s;
}

.toggle.on::after { transform: translateX(16px); }

/* ─── Slider Header ────────────────────────── */

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

/* ─── Danger Bar ───────────────────────────── */

.danger-track {
  position: relative;
  height: 6px;
  margin-top: 4px;
  border-radius: 3px;
  background: #e8ddd2;
  overflow: hidden;
}

.danger-safe {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  background: #a5d6a7;
  border-radius: 3px;
}

.danger-risk {
  position: absolute;
  top: 0;
  bottom: 0;
  transition: width 0.2s;
}

.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 8px;
  color: var(--gothic);
  font-family: 'JetBrains Mono', monospace;
  margin-top: 3px;
}

/* ─── Info Pills ───────────────────────────── */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 2px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
}

.pill-neutral { background: var(--chardon); color: var(--thunder); border: 1px solid #e8ddd2; }
.pill-warn { background: rgba(227,176,104,0.1); color: var(--thunder); border: 1px solid rgba(227,176,104,0.3); }
.pill-danger { background: rgba(194,106,106,0.1); color: var(--contessa); border: 1px solid rgba(194,106,106,0.3); }
.pill-ok { background: rgba(165,214,167,0.1); color: #2e7d32; border: 1px solid rgba(165,214,167,0.2); }

/* ─── Preview Card ─────────────────────────── */

.preview-card {
  background: var(--snow);
  border: 1px solid #e8ddd2;
  border-radius: 3px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  position: sticky;
  top: 20px;
}

.preview-card #qrPreview svg {
  max-width: 100%;
  border-radius: 2px;
  display: block;
}

.status-row {
  display: flex;
  gap: 5px;
  width: 100%;
  flex-wrap: wrap;
}

/* ─── Scan Badges ──────────────────────────── */

.scan-badge {
  padding: 8px 14px;
  border-radius: 2px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  justify-content: center;
}

.scan-ok { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.scan-fail { background: #fce4ec; color: #c62828; border: 1px solid #ef9a9a; }
.scan-wait { background: var(--chardon); color: var(--gothic); border: 1px solid #ddd3c8; animation: pulse 1s ease infinite alternate; }

@keyframes pulse { from { opacity: 0.5; } to { opacity: 1; } }

/* ─── Export Row ───────────────────────────── */

.export-row {
  display: flex;
  gap: 5px;
  margin-bottom: 7px;
}

.export-opt {
  flex: 1;
  padding: 7px 0;
  border: 1px solid #ddd3c8;
  background: var(--snow);
  color: var(--gothic);
  border-radius: 2px;
  cursor: pointer;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  text-align: center;
  transition: all 0.15s;
}

.export-opt:hover { border-color: var(--thunder); }

.export-opt.active {
  border-color: var(--flame);
  color: var(--black);
  background: rgba(255,64,8,0.03);
}

/* ─── Palette ──────────────────────────────── */

.palette { display: flex; gap: 5px; flex-wrap: wrap; }

.palette-btn {
  width: 28px;
  height: 28px;
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.1s;
  border: none;
}

.palette-btn:hover { transform: scale(1.15); }

.palette-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.palette-item span {
  font-size: 7px;
  color: var(--gothic);
  font-family: 'JetBrains Mono', monospace;
}

/* ─── Empty Hint ───────────────────────────── */

.empty-hint {
  color: var(--gothic);
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  text-align: center;
  line-height: 1.7;
}

/* ─── Footer ───────────────────────────────── */

.footer {
  text-align: center;
  margin-top: 32px;
  padding: 16px 0;
  border-top: 1px solid #e8ddd2;
}

.footer p {
  font-size: 11px;
  color: var(--gothic);
  font-family: 'JetBrains Mono', monospace;
}

.footer a {
  color: var(--flame);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* ─── Utilities ────────────────────────────── */

.hidden { display: none; }
.mt-5 { margin-top: 5px; }
.mt-8 { margin-top: 8px; }
.mt-10 { margin-top: 10px; }
.mt-12 { margin-top: 12px; }
.mb-5 { margin-bottom: 5px; }
.mb-8 { margin-bottom: 8px; }
.w-full { width: 100%; }