/* Shinagawa QR — offline-first QR studio */

:root {
  --teal: #24a2b6;
  --teal-dark: #1b7f90;
  --teal-soft: #e6f4f6;
  --ink: #17343b;
  --muted: #5f7a82;
  --line: #dfe9ec;
  --bg: #f3f7f8;
  --card: #ffffff;
  --danger: #c0392b;
  --warn-bg: #fdf3e0;
  --warn-ink: #8a5a00;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

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

/* ---------- header ---------- */

.topbar { background: var(--teal); color: #fff; padding: 18px 0 16px; }

.topbar-in {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px 16px;
}

.topbar h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.topbar .mark { margin-right: 6px; }

.topbar .tag { margin: 0; font-size: 13px; opacity: 0.92; }

/* ---------- panels ---------- */

.studio {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 20px;
  margin-top: 20px;
  align-items: start;
}

@media (max-width: 860px) {
  .studio { grid-template-columns: 1fr; }
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  margin-top: 20px;
  box-shadow: 0 1px 2px rgba(23, 52, 59, 0.05);
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 600;
}

h3.group {
  margin: 22px 0 8px;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
}

.sub {
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  margin-left: 8px;
}

.muted { color: var(--muted); }

.mini-label {
  margin: 6px 0 6px;
  font-size: 12.5px;
  color: var(--muted);
}

.hint-inline { opacity: 0.85; }

/* ---------- type tabs ---------- */

.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }

.tab {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 14px;
  font: inherit;
  font-size: 13.5px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.tab:hover { border-color: var(--teal); color: var(--teal-dark); }

.tab.active {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
  font-weight: 500;
}

/* ---------- form fields ---------- */

.fields { display: grid; gap: 10px; }

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12.5px;
  color: var(--muted);
}

.ctl {
  font: inherit;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  width: 100%;
  background: #fff;
  font-size: 14px;
}

.ctl:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 2px rgba(36, 162, 182, 0.18);
}

textarea.ctl { resize: vertical; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }

.grid2 input[type='color'] {
  height: 38px;
  padding: 2px 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

input[type='color'] {
  height: 38px;
  padding: 2px 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.check { font-size: 14px; display: flex; align-items: center; gap: 8px; margin-top: 8px; }

.check input { width: 17px; height: 17px; accent-color: var(--teal); }

/* ---------- swatch pickers (dots / eyes / frames) ---------- */

.swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.swatch {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 58px;
  padding: 8px 10px 6px;
  border: 1.5px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 10px;
  font: inherit;
  font-size: 11.5px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.swatch svg {
  display: block;
  width: 42px;
  height: 42px;
  fill: currentColor;
}

.swatch:hover { border-color: var(--teal); color: var(--teal-dark); }

.swatch.on {
  border-color: var(--teal);
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-weight: 600;
}

.swatch .cap { line-height: 1.15; text-align: center; }

#cfg-frame-grid .swatch { min-width: 96px; }

#cfg-frame-grid .swatch svg { width: 58px; height: auto; }

#cfg-frame-opts { margin-top: 4px; }

#cfg-frame-opts[hidden] { display: none; }

/* ---------- toggles, hints ---------- */

.switch {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
}

.switch input { width: 18px; height: 18px; accent-color: var(--teal); }

.switch.inline { margin: 0 8px 0 0; display: inline-flex; }

.hint {
  font-size: 12px;
  color: var(--muted);
  margin: 8px 0 0;
}

/* ---------- preview ---------- */

.preview {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--line);
  border-radius: 12px;
  background:
    repeating-conic-gradient(#f0f5f6 0% 25%, #fff 0% 50%) 0 0 / 20px 20px;
  padding: 14px;
}

.preview img {
  max-width: 100%;
  max-height: 360px;
  image-rendering: pixelated;
  border-radius: 4px;
  box-shadow: 0 4px 14px rgba(23, 52, 59, 0.18);
}

.note { color: var(--muted); text-align: center; padding: 10px; }

.actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

/* ---------- buttons ---------- */

.btn {
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 9px;
  padding: 9px 18px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn:hover { border-color: var(--teal); color: var(--teal-dark); }

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

.btn.primary:hover { background: var(--teal-dark); border-color: var(--teal-dark); color: #fff; }

.btn.small { padding: 6px 12px; font-size: 13px; }

.btn.danger { border-color: #ecc6c0; color: var(--danger); }

.btn.danger:hover { background: var(--danger); border-color: var(--danger); color: #fff; }

.btn.disabled,
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  background: #fff;
  color: var(--muted);
  border-color: var(--line);
}

.btn.disabled:hover,
.btn:disabled:hover { border-color: var(--line); color: var(--muted); }

/* ---------- messages ---------- */

.msg {
  margin: 12px 0 0;
  font-size: 13px;
  border-radius: 8px;
  padding: 8px 12px;
  word-break: break-all;
}

.msg.ok { background: #e6f4f6; color: var(--teal-dark); }

.msg.err { background: #fbeae7; color: var(--danger); }

.msg.warn { background: var(--warn-bg); color: var(--warn-ink); }

/* ---------- My online codes ---------- */

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

.code-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}

.c-label, .c-dest, .c-pw {
  font: inherit;
  font-size: 13.5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 9px;
  color: var(--ink);
}

.c-label { width: 140px; }
.c-dest { flex: 1 1 220px; min-width: 200px; }
.c-pw { width: 140px; }

.mini {
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  cursor: pointer;
}

.badge {
  background: #e6f4f6;
  color: var(--teal-dark);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12.5px;
  white-space: nowrap;
}

/* ---------- bulk ---------- */

#bulk-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
}

#bulk-file { font-size: 13.5px; }

code {
  background: #eef3f4;
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 13px;
}

/* ---------- standalone auth/error pages ---------- */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 30px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 6px 22px rgba(23, 52, 59, 0.12);
}

.auth-card h1 { margin: 0 0 8px; font-size: 20px; }

.auth-card p { color: var(--muted); margin: 0 0 16px; }

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-form input {
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  font-size: 14px;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 2px rgba(36, 162, 182, 0.18);
}