:root {
  color-scheme: light dark;
  --bg: #0c0c10;
  --panel: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f4f5f8;
  --muted: #9fa6b8;
  --accent: #7aa6ff;
  --success: #4ade80;
  --warning: #f59f00;
  --danger: #ff6b6b;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(circle at 18% 20%, rgba(122, 166, 255, 0.16), transparent 30%),
              radial-gradient(circle at 80% 0%, rgba(74, 222, 128, 0.16), transparent 28%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem max(1.5rem, 5vw) 1.4rem;
  border-bottom: 1px solid var(--border);
  background: rgba(12, 12, 16, 0.8);
  position: sticky;
  top: 0;
  z-index: 1;
  backdrop-filter: blur(18px);
  text-align: center;
}

.hero-content {
  display: grid;
  gap: 0.3rem;
}

.hero h1 {
  margin: 0.2rem 0;
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
}

.hero-note { color: var(--muted); font-weight: 600; }

.eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0;
}

.icon-button {
  position: absolute;
  right: max(1.25rem, 4vw);
  top: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  box-shadow: none;
}

.icon-button .icon { font-size: 1.1rem; }

.layout {
  display: grid;
  gap: 1.5rem;
  padding: 1.5rem max(1.5rem, 5vw) 2.5rem;
  grid-template-columns: minmax(280px, 1fr);
  max-width: 1100px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .layout {
    grid-template-columns: repeat(2, minmax(320px, 1fr));
    align-items: start;
  }
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(14px);
}

.highlight {
  border: 1px solid rgba(122, 166, 255, 0.35);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.section-header h2 { margin: 0; }

.section-header.compact { margin-bottom: 0.75rem; }

.field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.9rem;
  color: var(--muted);
}

.field input,
.field select {
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 1rem;
}

.field input:focus,
.field select:focus {
  outline: 2px solid rgba(122, 166, 255, 0.5);
  border-color: rgba(122, 166, 255, 0.8);
}

.actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

@media (min-width: 900px) {
  .actions {
    justify-content: flex-start;
  }

  .actions button {
    padding: 0.65rem 1rem;
    border-radius: 12px;
  }

  .actions .primary {
    box-shadow: 0 10px 26px rgba(122, 166, 255, 0.22);
  }

  .actions .ghost {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.18);
  }
}

button,
.file-btn span {
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1.05rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  color: #0b1021;
  background: var(--accent);
  transition: transform 0.1s ease, filter 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 12px 24px rgba(122, 166, 255, 0.24);
}

button.icon-button {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  box-shadow: none;
  padding: 0.55rem 0.9rem;
}

button:disabled,
.file-btn span:disabled {
  cursor: not-allowed;
  filter: grayscale(0.6);
  box-shadow: none;
}

button:active,
.file-btn span:active { transform: scale(0.98); }

.primary { background: var(--accent); color: #0b1021; }
.secondary { background: var(--success); color: #0b1021; box-shadow: 0 12px 24px rgba(74, 222, 128, 0.2); }
.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); box-shadow: none; }

.file-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  overflow: hidden;
}

.file-btn input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.advanced {
  margin-top: 0.75rem;
}

.advanced summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.advanced-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.code-focus {
  display: grid;
  gap: 1rem;
}

.account-line {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
}

.account-line .label {
  white-space: nowrap;
}

.account-line .value {
  flex: 1 1 200px;
  min-width: 0;
  word-break: break-word;
  line-height: 1.4;
}

.label { color: var(--muted); font-size: 0.95rem; }
.value { font-size: 1.15rem; font-weight: 600; }
.value.muted { color: var(--muted); }

.code-block {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.code {
  font-size: clamp(2.2rem, 7vw, 3.4rem);
  letter-spacing: 0.16em;
  font-weight: 750;
}

.progress-line {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.secondary-codes {
  display: flex;
  justify-content: flex-end;
}

.next-code {
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  opacity: 0.85;
  font-variant-numeric: tabular-nums;
}

.progress {
  flex: 1;
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

#progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--success));
  transition: width 0.2s ease;
}

.count-text {
  color: var(--muted);
  font-size: 0.95rem;
}

.meta { color: var(--muted); font-size: 0.95rem; }

.mode-switch {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.mode-switch button {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--border);
}

.mode-switch button.active {
  background: var(--accent);
  color: #0b1021;
  box-shadow: 0 10px 30px rgba(122, 166, 255, 0.25);
}

.pane { margin-top: 0.5rem; }

.secret-input {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: center;
}

.secret-field .note {
  color: var(--muted);
  margin: 0;
}

.scan-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.upload-card {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px dashed var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
}

.upload-tip {
  margin: 0;
  color: var(--muted);
}

.video-wrap {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  border: 1px dashed var(--border);
  min-height: 240px;
  isolation: isolate;
}

video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #0f172a;
  aspect-ratio: 4 / 3;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(12,12,16,0.75), rgba(12,12,16,0.45));
  text-align: center;
  padding: 1rem;
}

.chip {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(122, 166, 255, 0.12);
  color: var(--text);
  font-weight: 600;
  border: 1px solid var(--border);
  letter-spacing: 0.01em;
}

.chip.subtle {
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-weight: 500;
}

.scan-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.status-line {
  margin-top: 0.75rem;
  color: var(--muted);
  font-weight: 600;
}

.secret-display .secret-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.secret-display .value {
  display: block;
  max-width: 100%;
  word-break: break-all;
  overflow-wrap: anywhere;
  line-height: 1.5;
  padding: 0.4rem 0.6rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.secret-row {
  align-items: flex-start;
  gap: 0.6rem;
}

.secret-row button {
  flex-shrink: 0;
}

.result {
  margin-top: 1.1rem;
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.result-head {
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem 1rem;
}

.result-grid .value {
  min-width: 0;
  word-break: break-word;
  overflow-wrap: anywhere;
  line-height: 1.45;
}

.footer {
  padding: 1.25rem max(1.5rem, 5vw) 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  line-height: 1.5;
}

.footer summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}

.footer ol {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.35rem;
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    position: static;
    gap: 1rem;
    padding: 1.25rem max(1rem, 5vw) 1rem;
  }
  .layout { padding: 1.25rem max(1rem, 5vw) 1.75rem; }
  .card { padding: 1.1rem; }
  .actions { flex-direction: column; gap: 0.6rem; }
  .scan-grid { grid-template-columns: 1fr; }
  .video-wrap { min-height: 220px; }
  .scan-actions button, .file-btn { width: 100%; justify-content: center; }
  .file-btn span { width: 100%; text-align: center; }
  .code-block { flex-direction: column; align-items: flex-start; }
  .code { letter-spacing: 0.1em; }
}

@media (max-width: 540px) {
  .card { border-radius: 12px; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .code { letter-spacing: 0.08em; }
  .scan-actions { gap: 0.5rem; }
}