/* Minimal functional styling. Functional > pretty for v0. */

:root {
  --fg: #1f2937;
  --muted: #6b7280;
  --bg: #f9fafb;
  --card: #ffffff;
  --border: #e5e7eb;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --success: #065f46;
  --success-bg: #d1fae5;
  --error: #991b1b;
  --error-bg: #fee2e2;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

main {
  max-width: 720px;
  margin: 2rem auto;
  padding: 0 1rem;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

h1 {
  margin: 0 0 0.25rem;
  font-size: 1.75rem;
}

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

.upload-zone {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

#upload-form {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.file-input-label {
  flex: 1;
  min-width: 200px;
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  cursor: pointer;
  background: var(--bg);
}

.file-input-label:hover {
  border-color: var(--accent);
}

.file-input-text {
  color: var(--muted);
}

input[type="file"] {
  display: block;
  width: 100%;
  margin-top: 0.5rem;
}

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
}

button:hover { background: var(--accent-hover); }

.htmx-indicator {
  display: none;
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 6px;
  text-align: center;
  color: var(--muted);
}

.htmx-request .htmx-indicator { display: block; }
.htmx-request.htmx-indicator { display: block; }

#result { margin-top: 1rem; }

.result-success {
  background: var(--success-bg);
  color: var(--success);
  padding: 1rem;
  border-radius: 6px;
}

.result-error {
  background: var(--error-bg);
  color: var(--error);
  padding: 1rem;
  border-radius: 6px;
}

.issue-summary {
  margin: 0.5rem 0;
  padding-left: 1.25rem;
}

.download-btn {
  display: inline-block;
  background: var(--success);
  color: white;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  margin: 0.5rem 0;
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.5rem 0 0;
}

code {
  background: var(--bg);
  padding: 0.125rem 0.25rem;
  border-radius: 3px;
  font-size: 0.9em;
}

.info {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  color: var(--muted);
}

.info h2 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--fg);
}

.info p {
  margin: 0 0 0.5rem;
}

.info p:last-child {
  margin-bottom: 0;
}