/* ============================================================
   VHC Tracking Generator — Styles (Rocket Ads. Branding)
   ============================================================ */

/* Hide Vercel toolbar */
[data-vercel-toolbar], #vercel-toolbar, .vercel-live-feedback-wrapper,
body > div[style*="z-index: 99999"], body > vercel-live-feedback { display: none !important; }

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

:root {
  --bg: #EDF0F8;
  --bg-gradient: linear-gradient(135deg, #EDF0F8 0%, #F5EDF8 25%, #FFF0EB 50%, #EDE8F8 75%, #EDF0F8 100%);
  --surface: #ffffff;
  --surface-2: #F4F6FB;
  --border: #D8DDE8;
  --accent: #1400FF;
  --accent-hover: #2B1AFF;
  --accent-light: rgba(20, 0, 255, 0.06);
  --accent-border: rgba(20, 0, 255, 0.15);
  --text: #0A0A2E;
  --text-muted: #6B7085;
  --success: #00B37E;
  --error: #E53E3E;
  --warn: #D4940A;
  --radius: 12px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

.container { max-width: 900px; margin: 0 auto; padding: 40px 24px 80px; }

/* ---- Logo ---- */
.logo {
  font-size: 26px;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.5px;
  text-decoration: none;
  display: inline-block;
}

header { text-align: center; margin-bottom: 32px; }
header h1 { font-size: 28px; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 8px; color: var(--text); }
header p { color: var(--text-muted); font-size: 15px; }

/* ---- Tab Navigation ---- */
.tab-nav {
  display: flex; gap: 4px; margin-bottom: 28px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 4px; overflow-x: auto;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.tab-btn {
  flex: 1; padding: 12px 16px; background: transparent; border: none;
  border-radius: 10px; color: var(--text-muted); font-size: 14px;
  font-weight: 600; font-family: inherit; cursor: pointer;
  transition: all 0.2s; white-space: nowrap;
}
.tab-btn:hover { color: var(--text); background: var(--surface-2); }
.tab-btn.active { background: var(--accent); color: #fff; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---- Cards ---- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; margin-bottom: 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.card-title {
  font-size: 16px; font-weight: 600; margin-bottom: 20px;
  display: flex; align-items: center; gap: 8px; color: var(--text);
}
.card-title .step {
  background: var(--accent); color: #fff; width: 26px; height: 26px;
  border-radius: 50%; display: inline-flex; align-items: center;
  justify-content: center; font-size: 13px; font-weight: 700;
}

/* ---- Form Elements ---- */
.row { display: flex; gap: 16px; margin-bottom: 16px; }
.field { flex: 1; }
label { display: block; font-size: 13px; font-weight: 500; color: var(--text-muted); margin-bottom: 6px; }

select, input[type="url"], input[type="text"], input[type="password"], input[type="date"] {
  width: 100%; padding: 10px 14px; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 8px; color: var(--text);
  font-size: 14px; font-family: inherit; outline: none; transition: border-color 0.2s;
}
select:focus, input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(20,0,255,0.08); }
select { cursor: pointer; }
select:disabled { opacity: 0.5; cursor: not-allowed; }

.info-bar {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  background: var(--accent-light); border: 1px solid var(--accent-border);
  border-radius: 8px; font-size: 13px; color: var(--text-muted); margin-bottom: 20px;
}
.info-bar svg { flex-shrink: 0; }
.info-bar svg circle { stroke: var(--accent); }
.info-bar svg path { stroke: var(--accent); }

/* ---- URL Fields ---- */
.url-field { margin-bottom: 12px; }
.url-field label { display: flex; align-items: center; gap: 6px; }
.url-field label .badge {
  background: var(--accent); color: #fff; font-size: 11px;
  padding: 1px 7px; border-radius: 4px; font-weight: 600;
}
.url-field label .badge.required { background: var(--success); }

.url-input-row { display: flex; gap: 8px; align-items: center; }
.url-input-row input { flex: 1; }

.btn-remove {
  width: 36px; height: 38px; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--error); font-size: 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: all 0.2s;
  flex-shrink: 0; font-family: inherit;
}
.btn-remove:hover { background: rgba(229, 62, 62, 0.08); border-color: var(--error); }

.btn-add {
  display: flex; align-items: center; gap: 6px; margin-top: 12px;
  padding: 8px 16px; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--accent); font-size: 13px; font-weight: 600;
  font-family: inherit; cursor: pointer; transition: all 0.2s;
}
.btn-add:hover { background: var(--accent-light); border-color: var(--accent); }

.separator {
  border: none; border-top: 1px solid var(--border);
  margin: 20px 0;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; background: var(--accent); color: #fff;
  border: none; border-radius: 8px; font-size: 15px; font-weight: 600;
  font-family: inherit; cursor: pointer; transition: background 0.2s, transform 0.1s;
}
.btn:hover { background: var(--accent-hover); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-success { background: var(--success); }
.btn-success:hover { background: #009E6E; }

.btn svg path { stroke: #fff; }

/* ---- Loading Animation ---- */
.loading-card { text-align: center; padding: 48px 28px; }
.loading-spinner {
  width: 48px; height: 48px; border: 3px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite; margin: 0 auto 20px;
}
.loading-text {
  font-size: 15px; font-weight: 500; color: var(--text);
  margin-bottom: 20px; min-height: 24px;
}
.loading-bar {
  width: 100%; max-width: 320px; height: 4px;
  background: var(--surface-2); border-radius: 2px; margin: 0 auto;
  overflow: hidden;
}
.loading-progress {
  height: 100%; background: linear-gradient(90deg, var(--accent), var(--success));
  border-radius: 2px; width: 0%; transition: width 0.3s ease;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Output / Code Boxes ---- */
.output-block { position: relative; margin-bottom: 20px; }
.output-label {
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px;
}
.output-label span {
  font-weight: 400; font-size: 12px; text-transform: none;
  letter-spacing: 0; color: var(--text-muted); opacity: 0.7;
}
.code-box {
  background: #1a1d2e; border: 1px solid #2e3344; border-radius: 8px;
  padding: 16px; font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 12px; line-height: 1.6; color: #a8b2d1;
  white-space: pre-wrap; word-break: break-all; max-height: 320px; overflow-y: auto;
}
.copy-btn {
  position: absolute; top: 32px; right: 8px; padding: 6px 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 6px;
  color: var(--text-muted); font-size: 12px; font-family: inherit;
  font-weight: 500; cursor: pointer; transition: all 0.2s;
}
.copy-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.copy-btn.copied { background: var(--success); color: #fff; border-color: var(--success); }

/* ---- Validator Results ---- */
.check-list { list-style: none; padding: 0; }
.check-list li {
  display: flex; align-items: flex-start; gap: 10px; padding: 10px 0;
  border-bottom: 1px solid var(--border); font-size: 14px;
}
.check-list li:last-child { border-bottom: none; }
.check-icon {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; margin-top: 1px;
}
.check-icon.pass { background: rgba(0, 179, 126, 0.12); color: var(--success); }
.check-icon.fail { background: rgba(229, 62, 62, 0.12); color: var(--error); }
.check-icon.warn { background: rgba(212, 148, 10, 0.12); color: var(--warn); }
.check-detail { color: var(--text-muted); font-size: 12px; margin-top: 2px; }

.validator-summary {
  padding: 16px; border-radius: 8px; margin-top: 16px;
  font-size: 14px; font-weight: 600;
}
.validator-summary.pass { background: rgba(0,179,126,0.08); border: 1px solid rgba(0,179,126,0.25); color: var(--success); }
.validator-summary.fail { background: rgba(229,62,62,0.08); border: 1px solid rgba(229,62,62,0.25); color: var(--error); }
.validator-summary.warn { background: rgba(212,148,10,0.08); border: 1px solid rgba(212,148,10,0.25); color: var(--warn); }

.spinner {
  display: inline-block; width: 18px; height: 18px;
  border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.6s linear infinite; vertical-align: middle;
}

/* ---- Weekly Check Option ---- */
.check-option {
  display: flex; align-items: center; gap: 10px;
  margin-top: 16px; padding: 12px 16px;
  background: var(--accent-light); border: 1px solid var(--accent-border);
  border-radius: 8px;
}
.check-option label {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--text); cursor: pointer; margin-bottom: 0;
}
.check-option input[type="checkbox"] {
  width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer;
}

/* ---- Tracking Check Table (Tab 3) ---- */
.filter-row {
  display: flex; gap: 12px; margin-bottom: 20px; align-items: center;
}
.filter-row select { max-width: 240px; }
.filter-row label { margin-bottom: 0; white-space: nowrap; }

.check-table {
  width: 100%; border-collapse: collapse; font-size: 14px;
}
.check-table th {
  text-align: left; padding: 10px 12px; font-size: 12px;
  font-weight: 600; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.5px; border-bottom: 2px solid var(--border);
}
.check-table td {
  padding: 12px; border-bottom: 1px solid var(--border);
  color: var(--text); vertical-align: middle;
}
.check-table tr:last-child td { border-bottom: none; }
.check-table .url-cell {
  max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 13px; color: var(--text-muted);
}

.status-dot {
  width: 12px; height: 12px; border-radius: 50%; display: inline-block;
}
.status-dot.active { background: var(--success); box-shadow: 0 0 6px rgba(0, 179, 126, 0.4); }
.status-dot.fail { background: var(--error); box-shadow: 0 0 6px rgba(229, 62, 62, 0.4); }
.status-dot.pending { background: var(--text-muted); }

.empty-state {
  text-align: center; padding: 48px 24px; color: var(--text-muted); font-size: 15px;
}

/* ---- Password Overlay ---- */
.pw-overlay {
  position: fixed; inset: 0;
  background: var(--bg-gradient);
  display: flex; align-items: center; justify-content: center; z-index: 9999;
}
.pw-overlay.hidden { display: none; }
.pw-box {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 40px; text-align: center; width: 380px; max-width: 90vw;
  box-shadow: 0 8px 32px rgba(10, 10, 46, 0.08);
}
.pw-box h2 { font-size: 20px; margin-bottom: 6px; color: var(--text); }
.pw-box p { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }
.pw-box input {
  text-align: center; font-size: 24px; letter-spacing: 8px;
  padding: 14px; margin-bottom: 16px;
}
.pw-box .pw-error { color: var(--error); font-size: 13px; min-height: 20px; margin-bottom: 12px; }
.pw-box .logo { margin-bottom: 16px; font-size: 28px; }

/* ---- General ---- */
.app-content { display: none; }
.app-content.visible { display: block; }
.hidden { display: none !important; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.text-center { text-align: center; }

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .row { flex-direction: column; gap: 12px; }
  .container { padding: 24px 16px 60px; }
  header h1 { font-size: 22px; }
  .tab-btn { font-size: 12px; padding: 10px 8px; }
  .check-table { font-size: 12px; }
  .check-table th, .check-table td { padding: 8px 6px; }
}