/* ----------- Root palette ----------- */
:root {
  --bg:        #f7fafc;   /* page background */
  --panel:     #ffffff;   /* cards/panels */
  --surface:   #ffffff;   /* inputs / code blocks / alerts */
  --text:      #0b0f14;   /* primary text */
  --muted:     #516073;   /* secondary text */
  --accent:    #0b73e8;   /* links & primary buttons */
  --accent-2:  #2ea043;   /* progress bar */
  --danger:    #d93025;
  --border:    #d9e2ef;
}

/* ----------- Base styles ----------- */
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

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

/* ----------- Layout ----------- */
.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
h1 { font-size: 26px; margin: 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.card-title { margin: 0 0 10px; font-size: 18px; }

/* ----------- Spacing & Typography ----------- */
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.small { font-size: 12px; }
.muted { color: var(--muted); }

/* ----------- Inputs & Pre ----------- */
.pre {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 8px;
  white-space: pre-wrap;
}

.textarea {
  width: 100%;
  padding: 10px;
  min-height: 120px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.input-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* ----------- Buttons ----------- */
.btn {
  background: var(--accent);
  color: #ffffff;
  border: none;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}
.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn:disabled {
  opacity: .6;
  cursor: not-allowed;
}

/* ----------- Spinner ----------- */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,.15);
  border-top-color: rgba(0,0,0,.45);
  border-radius: 50%;
  display: inline-block;
  animation: spin .8s linear infinite;
  vertical-align: -3px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ----------- Alerts ----------- */
.hidden { display: none; }

.alert {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}
.alert.success {
  border-color: #cce7d3;
  background: #f0faf3;
  color: #0e5d2a;
}
.alert.error {
  border-color: #f3c7c7;
  background: #fff1f1;
  color: #7a1e1e;
}

/* ----------- Status indicator ----------- */
.status {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 8px;
  border-radius: 999px;
  color: var(--muted);
}
.status .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  background: #e35d5d;
}
.status.ok .status-dot { background: #35c46b; }

/* ----------- Progress bar ----------- */
.progress {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  height: 8px;
  overflow: hidden;
}
#progressInner {
  background: var(--accent-2);
  width: 0;
  height: 100%;
  transition: width .2s ease;
}

/* ----------- Badges ----------- */
.badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 11px;
  border: 1px solid var(--border);
}
.badge-ctx {
  background: #e9f3ff;
  color: #0b73e8;
}
.badge-gen {
  background: #f3f4f6;
  color: #4b5563;
}
.badge-db {
  background: #fff4e5;
  color: #8a5a00;
  border-color: #f3d19e;
}
.badge-parsed {
  background: #eef7ff;
  color: #0b73e8;
  border-color: #cfe5ff;
}

.dropzone {
  border: 2px dashed var(--border,#ccc);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
  cursor: pointer;
  background: rgba(0,0,0,0.02);
  transition: background 0.15s ease, border-color 0.15s ease;
}
.dropzone.hover {
  background: rgba(0,120,255,0.06);
  border-color: #0a84ff;
}
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}