@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --color-bg: #f6f7f9;
  --color-surface: #ffffff;
  --color-surface-2: #f2f3f6;
  --color-border: #e4e6ec;
  --color-text: #1a1c23;
  --color-text-dim: #6b7280;
  --color-accent: #4f46e5;
  --color-accent-hover: #4338ca;
  --color-accent-soft: #eef0ff;
  --color-success: #16a34a;
  --color-success-soft: #ecfdf3;
  --color-danger: #dc2626;
  --color-danger-soft: #fef2f2;
  --color-warning: #d97706;
  --color-warning-soft: #fffbeb;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(20,22,30,0.04), 0 8px 24px rgba(20,22,30,0.06);
  --shadow-sm: 0 1px 2px rgba(20,22,30,0.05);
  --max-width: 720px;
  --tap: 46px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 28px 20px 64px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding: 4px 0;
}

.brand {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.brand span { color: var(--color-accent); }

header.site a.hint {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-dim);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}
header.site a.hint:hover {
  background: var(--color-surface-2);
  text-decoration: none;
  color: var(--color-text);
}

h1, h2, h3 {
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
  color: var(--color-text);
}
h1 { font-size: 1.6rem; }
h2 { font-size: 1.15rem; }

p.lead { color: var(--color-text-dim); margin-top: 0; margin-bottom: 24px; font-size: 0.98rem; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-dim);
  margin: 18px 0 7px;
}
label:first-child { margin-top: 0; }

textarea, input[type=text], input[type=password], select {
  width: 100%;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  min-height: var(--tap);
}
textarea:focus, input:focus, select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.6' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }

textarea#content {
  min-height: 220px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.92rem;
  resize: vertical;
  line-height: 1.6;
}

.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > div { flex: 1; min-width: 160px; }

.slug-row {
  display: flex;
  align-items: stretch;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.slug-row:focus-within { border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-soft); }
.slug-row .slug-prefix {
  display: flex;
  align-items: center;
  padding: 0 12px;
  color: var(--color-text-dim);
  font-size: 0.82rem;
  background: var(--color-surface-2);
  border-right: 1.5px solid var(--color-border);
  white-space: nowrap;
}
.slug-row input {
  border: none;
  background: transparent;
  border-radius: 0;
  box-shadow: none !important;
}
.slug-status { font-size: 0.8rem; margin-top: 6px; min-height: 1.2em; font-weight: 500; }
.slug-status.ok { color: var(--color-success); }
.slug-status.bad { color: var(--color-danger); }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0 0;
  min-height: var(--tap);
}
.checkbox-row input { width: 20px; height: 20px; accent-color: var(--color-accent); cursor: pointer; }
.checkbox-row label { margin: 0; text-transform: none; font-weight: 500; font-size: 0.94rem; color: var(--color-text); cursor: pointer; }

.dropzone {
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 22px 18px;
  text-align: center;
  color: var(--color-text-dim);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
  font-size: 0.92rem;
  background: var(--color-surface-2);
}
.dropzone.dragover { border-color: var(--color-accent); background: var(--color-accent-soft); }
.dropzone strong { color: var(--color-accent); }

#file-input { display: none; }

.file-list { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.file-item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.85rem;
}
.file-item .file-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.file-item .file-size { color: var(--color-text-dim); flex-shrink: 0; }
.file-item .file-remove {
  color: var(--color-text-dim);
  cursor: pointer;
  flex-shrink: 0;
  font-weight: 600;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  font-size: 1.1rem;
  line-height: 1;
}
.file-item .file-remove:hover { background: var(--color-danger-soft); color: var(--color-danger); }
.progress-track {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 2px;
}
.progress-fill { height: 100%; background: var(--color-accent); width: 0%; transition: width 0.15s ease; }
.file-item.done .progress-fill { background: var(--color-success); }
.file-item.error .progress-fill { background: var(--color-danger); }

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-accent);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 20px;
  min-height: var(--tap);
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease, box-shadow 0.15s ease;
}
button:hover, .btn:hover { background: var(--color-accent-hover); text-decoration: none; }
button:active, .btn:active { transform: scale(0.98); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button:focus-visible, .btn:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-accent); outline-offset: 2px;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-surface-2); }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

.actions { margin-top: 22px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.hint { font-size: 0.8rem; color: var(--color-text-dim); margin-top: 6px; }

.alert {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 18px;
  border: 1px solid transparent;
  font-weight: 500;
}
.alert-error { background: var(--color-danger-soft); border-color: #fecaca; color: #991b1b; }
.alert-success { background: var(--color-success-soft); border-color: #bbf7d0; color: #166534; }
.alert-info { background: var(--color-accent-soft); border-color: #dcdcfa; color: var(--color-accent-hover); }

.result-box {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-top: 10px;
}
.result-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.result-row:last-child { margin-bottom: 0; }
.result-row input {
  flex: 1;
  font-size: 0.85rem;
  font-family: monospace;
  min-width: 0;
}
.copy-btn { flex-shrink: 0; padding: 10px 14px; font-size: 0.82rem; }

.note-view pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0;
}

.note-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--color-text-dim);
  font-size: 0.82rem;
  margin-bottom: 16px;
}

.attachments { margin-top: 22px; }
.attachment-item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.attachment-item .file-icon { font-size: 1.3rem; }
.attachment-item .file-info { flex: 1; overflow: hidden; min-width: 120px; }
.attachment-item .file-info .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.attachment-item .file-info .meta { color: var(--color-text-dim); font-size: 0.78rem; }

.toolbar { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }

footer.site {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-dim);
  font-size: 0.8rem;
  text-align: center;
}

.lock-screen { text-align: center; padding: 36px 20px; }
.lock-icon { font-size: 2.2rem; margin-bottom: 10px; }

@media (max-width: 560px) {
  .wrap { padding: 18px 14px 48px; }
  .card { padding: 16px; border-radius: 12px; }
  .row { flex-direction: column; gap: 10px; }
  h1 { font-size: 1.35rem; }
  .brand { font-size: 1.15rem; }
  .actions { flex-direction: column; align-items: stretch; }
  .actions .btn, .actions button { width: 100%; }
  .result-row { flex-wrap: wrap; }
  .result-row input { width: 100%; flex-basis: 100%; }
  .copy-btn { width: 100%; }
  .toolbar { flex-direction: column; }
  .toolbar .btn, .toolbar button { width: 100%; }
}