/* ============================================================
   Web Crawler Service — Global Stylesheet
   Dark slate theme, no framework
   ============================================================ */

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0f172a;
  --bg-card:   #1e293b;
  --bg-input:  #0f172a;
  --border:    #334155;
  --text:      #e2e8f0;
  --muted:     #94a3b8;
  --accent:    #38bdf8;
  --accent-dk: #0284c7;
  --danger:    #ef4444;
  --success:   #22c55e;
  --warning:   #f59e0b;
  --info:      #38bdf8;
  --radius:    8px;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', ui-monospace, monospace;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ============================================================
   Typography
   ============================================================ */

h1, h2, h3, h4 {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* ============================================================
   Layout helpers
   ============================================================ */

.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 32px; }
.text-muted { color: var(--muted); }
.text-sm { font-size: 13px; }
.hidden { display: none !important; }

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary   { background: var(--accent); color: #0f172a; }
.btn-primary:hover:not(:disabled) { background: var(--accent-dk); color: #fff; }

.btn-danger    { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover:not(:disabled) { background: var(--danger); color: #fff; }

.btn-ghost     { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover:not(:disabled) { background: var(--bg-card); color: var(--text); }

.btn-sm        { padding: 5px 10px; font-size: 12px; }

/* ============================================================
   Forms
   ============================================================ */

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

input[type="text"],
input[type="url"],
input[type="password"],
input[type="number"],
select,
textarea {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 12px;
  font-family: var(--font-body);
  font-size: 14px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
input::placeholder, textarea::placeholder { color: var(--muted); }

/* Checkbox row */
.checkbox-row { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.checkbox-row input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.checkbox-row span { font-size: 14px; }

/* ============================================================
   Cards
   ============================================================ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

/* ============================================================
   Status badges
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.badge-pending   { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-running   { background: rgba(56,189,248,0.15); color: var(--info); }
.badge-completed { background: rgba(34,197,94,0.15);  color: var(--success); }
.badge-failed    { background: rgba(239,68,68,0.15);  color: var(--danger); }
.badge-cancelled { background: rgba(148,163,184,0.15); color: var(--muted); }

/* Spinner for running */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ============================================================
   Progress bar
   ============================================================ */

.progress-wrap {
  background: var(--border);
  border-radius: 999px;
  height: 6px;
  overflow: hidden;
  width: 100%;
}
.progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.4s ease;
}

/* ============================================================
   Navbar
   ============================================================ */

.navbar {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar-brand {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar-brand span { color: var(--accent); }
.navbar-actions { display: flex; align-items: center; gap: 12px; }

/* ============================================================
   Hero
   ============================================================ */

.hero {
  padding: 80px 0 64px;
  text-align: center;
}
.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  border: 1px solid rgba(56,189,248,0.3);
  padding: 4px 12px;
  border-radius: 999px;
}
.hero h1 { font-size: clamp(32px, 6vw, 52px); margin-bottom: 20px; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 18px; color: var(--muted); max-width: 540px; margin: 0 auto 36px; }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ============================================================
   Feature cards grid
   ============================================================ */

.features { padding: 0 0 64px; }
.features h2 { font-size: 24px; text-align: center; margin-bottom: 32px; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--accent); }
.feature-icon { font-size: 28px; margin-bottom: 12px; }
.feature-card h3 { font-size: 16px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--muted); }

/* ============================================================
   How it works
   ============================================================ */

.how-it-works { padding: 0 0 80px; }
.how-it-works h2 { font-size: 24px; text-align: center; margin-bottom: 40px; }
.steps { display: flex; gap: 0; align-items: flex-start; flex-wrap: wrap; }
.step { flex: 1; min-width: 200px; text-align: center; padding: 0 16px; position: relative; }
.step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -12px;
  top: 18px;
  color: var(--muted);
  font-size: 20px;
}
@media (max-width: 600px) {
  .step:not(:last-child)::after { display: none; }
  .steps { flex-direction: column; align-items: center; }
  .step { padding: 16px 0; }
}
.step-num {
  width: 44px; height: 44px;
  background: rgba(56,189,248,0.1);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--accent);
  margin: 0 auto 14px;
}
.step h3 { font-size: 15px; margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--muted); }

/* ============================================================
   Footer
   ============================================================ */

footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}
footer a { color: var(--muted); }
footer a:hover { color: var(--accent); }

/* ============================================================
   Dashboard
   ============================================================ */

.dash-wrap { max-width: 860px; margin: 0 auto; padding: 0 24px 60px; }

/* Tabs */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 28px; }
.tab-btn {
  padding: 12px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Job list */
.job-list { display: flex; flex-direction: column; gap: 12px; }

.job-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.job-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.job-url {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  word-break: break-all;
  flex: 1;
}
.job-meta { font-size: 12px; color: var(--muted); margin-top: 4px; }
.job-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.job-progress { margin-top: 10px; }
.job-progress-label { font-size: 12px; color: var(--muted); margin-bottom: 4px; }

/* Auth box */
.auth-box {
  max-width: 360px;
  margin: 60px auto;
}
.auth-box h2 { font-size: 22px; margin-bottom: 6px; }
.auth-box .text-muted { margin-bottom: 24px; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-switch { text-align: center; margin-top: 16px; font-size: 13px; color: var(--muted); }
.auth-switch button {
  background: none; border: none; color: var(--accent); cursor: pointer; font-size: 13px;
}
.auth-switch button:hover { text-decoration: underline; }

/* Dashboard header */
.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}
.dash-header h1 { font-size: 20px; }

/* API keys list */
.key-list { display: flex; flex-direction: column; gap: 12px; }
.key-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.key-info { flex: 1; }
.key-name { font-weight: 600; font-size: 14px; }
.key-prefix { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-top: 2px; }
.key-last-used { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* One-time key reveal */
.key-reveal {
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 16px;
}
.key-reveal .label { font-size: 12px; color: var(--success); font-weight: 600; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.06em; }
.key-reveal code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  word-break: break-all;
  display: block;
}

/* Inline alerts */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-top: 12px;
}
.alert-error   { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }

/* Empty state */
.empty-state { text-align: center; padding: 40px 20px; color: var(--muted); }
.empty-state .icon { font-size: 40px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* New crawl form */
.crawl-form { max-width: 540px; display: flex; flex-direction: column; gap: 16px; }

/* Loading spinner overlay for whole sections */
.loading-row { display: flex; align-items: center; gap: 10px; color: var(--muted); padding: 20px 0; font-size: 14px; }
.loading-row .spinner { width: 16px; height: 16px; border-width: 2px; border-color: var(--muted); border-top-color: transparent; }

/* Responsive */
@media (max-width: 640px) {
  .dash-header { flex-direction: column; align-items: flex-start; }
  .job-header { flex-direction: column; align-items: flex-start; }
  .card { padding: 16px; }
}