*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: #2a2d3a;
  --text: #e1e4ed;
  --text-dim: #8b8fa3;
  --accent: #6c5ce7;
  --accent-hover: #7f71f0;
  --danger: #e74c3c;
  --success: #2ecc71;
  --radius: 8px;
  --font: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
}

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

input, textarea, button { font-family: var(--font); font-size: 14px; }

#app { max-width: 960px; margin: 0 auto; padding: 24px; }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0; border-bottom: 1px solid var(--border); margin-bottom: 32px;
}
.nav-brand { font-size: 20px; font-weight: 700; color: var(--accent); }
.nav-user { display: flex; align-items: center; gap: 12px; }

.form { max-width: 400px; margin: 60px auto; }
.form h1 { font-size: 24px; margin-bottom: 24px; text-align: center; }

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; margin-bottom: 6px; color: var(--text-dim);
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px;
}
.form-group input, .form-group textarea {
  width: 100%; padding: 10px 14px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); outline: none; transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { min-height: 80px; resize: vertical; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border: none; border-radius: var(--radius);
  cursor: pointer; font-weight: 600; transition: background 0.2s, opacity 0.2s;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; font-size: 13px; }
.flash-error { background: rgba(231,76,60,0.15); color: var(--danger); border: 1px solid rgba(231,76,60,0.3); }
.flash-success { background: rgba(46,204,113,0.15); color: var(--success); border: 1px solid rgba(46,204,113,0.3); }

.dashboard h1 { font-size: 22px; margin-bottom: 4px; }
.dashboard p { color: var(--text-dim); margin-bottom: 24px; }

.site-grid { display: grid; gap: 12px; margin-top: 16px; }
.site-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); cursor: pointer; transition: border-color 0.2s;
}
.site-card:hover { border-color: var(--accent); }
.site-card-info h3 { font-size: 15px; margin-bottom: 2px; }
.site-card-info span { font-size: 12px; color: var(--text-dim); }
.site-card-actions { display: flex; gap: 8px; }

.new-site-form { display: flex; gap: 12px; margin-top: 24px; align-items: flex-end; }
.new-site-form .form-group { flex: 1; margin-bottom: 0; }

.site-editor { display: flex; flex-direction: column; gap: 24px; }
.site-editor-header { display: flex; align-items: center; justify-content: space-between; }
.site-editor-header h1 { font-size: 20px; }
.site-editor-header .btn { margin-left: 8px; }

.prompt-bar { display: flex; gap: 12px; }
.prompt-bar textarea { flex: 1; min-height: 44px; max-height: 120px; }

.file-browser { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.file-browser-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; background: var(--surface); border-bottom: 1px solid var(--border);
  font-size: 13px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px;
}
.file-list { list-style: none; }
.file-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 14px; border-bottom: 1px solid var(--border); font-size: 13px;
}
.file-item:last-child { border-bottom: none; }
.file-item:hover { background: var(--surface); }
.file-name { cursor: pointer; color: var(--accent); }
.file-name:hover { text-decoration: underline; }

.file-editor { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.file-editor-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; background: var(--surface); border-bottom: 1px solid var(--border); font-size: 13px;
}
.file-editor textarea {
  width: 100%; min-height: 300px; padding: 14px; background: var(--bg);
  border: none; color: var(--text); font-family: var(--font);
  font-size: 13px; line-height: 1.5; resize: vertical; outline: none;
}
.file-editor-toolbar {
  display: flex; gap: 8px; padding: 8px 14px;
  background: var(--surface); border-top: 1px solid var(--border);
}

.loading { text-align: center; padding: 40px; color: var(--text-dim); }
.spinner {
  display: inline-block; width: 20px; height: 20px;
  border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.6s linear infinite;
  margin-right: 8px; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state { text-align: center; padding: 60px 20px; color: var(--text-dim); }
.empty-state h2 { margin-bottom: 8px; color: var(--text); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 11px; font-weight: 600; }
.badge-deployed { background: rgba(46,204,113,0.15); color: var(--success); }
.badge-draft { background: rgba(139,143,163,0.15); color: var(--text-dim); }

.generate-result {
  padding: 10px 14px; background: rgba(46,204,113,0.1);
  border: 1px solid rgba(46,204,113,0.2); border-radius: var(--radius);
  font-size: 13px; color: var(--success);
}