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

:root {
  --bg: #0f1115;
  --bg-soft: #161922;
  --bg-card: #1c2030;
  --border: #2a2f42;
  --text: #e6e8ef;
  --muted: #8a91a4;
  --primary: #6366f1;
  --primary-hover: #7c7ff5;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.topbar {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 18px 32px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.small { font-size: 12px; }

.header-actions {
  display: flex;
  gap: 8px;
}

.logo {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  color: white;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: 13px;
}

.brand h1 { font-size: 18px; font-weight: 600; }
.subtitle { color: var(--muted); font-size: 13px; }

.container {
  max-width: 1100px;
  margin: 28px auto;
  padding: 0 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-header h2 { font-size: 15px; font-weight: 600; letter-spacing: 0.3px; }

.row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 260px;
  flex: 1;
}

.field span { font-size: 12px; color: var(--muted); font-weight: 500; }

select, input[type="text"], input[type="url"] {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
  font-family: inherit;
}

select:focus, input:focus { border-color: var(--primary); }

.btn {
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--primary); }

.btn-danger { background: transparent; color: var(--danger); border: 1px solid var(--border); }
.btn-danger:hover { border-color: var(--danger); }

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

.form-inline {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  padding: 14px;
  background: var(--bg-soft);
  border-radius: 8px;
  border: 1px dashed var(--border);
}
.form-inline input { flex: 1; min-width: 200px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 14px;
  margin-bottom: 18px;
  padding: 16px;
  background: var(--bg-soft);
  border-radius: 8px;
  border: 1px dashed var(--border);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
}

small.muted { color: var(--muted); font-size: 11px; }

.prize-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  background: var(--bg-soft);
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  flex: 1;
  min-width: 280px;
}

.prize-meta a { color: var(--primary); text-decoration: none; word-break: break-all; }
.prize-meta a:hover { text-decoration: underline; }

.muted { color: var(--muted); }

.utm-filter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding: 10px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.field.inline {
  flex-direction: row;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.field.inline span { font-size: 12px; }
.field.inline select { padding: 6px 10px; font-size: 13px; }

.utm-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.utm-item {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.utm-item .meta {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 13px;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  background: var(--border);
  color: var(--text);
  text-transform: lowercase;
}
.tag.source { background: #312e81; color: #c7d2fe; }
.tag.campaign { background: #1e293b; color: #93c5fd; }
.tag.clicks { background: #064e3b; color: #6ee7b7; }

.utm-url {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  color: var(--muted);
  word-break: break-all;
  margin-top: 6px;
  grid-column: 1 / -1;
}

.utm-actions { display: flex; gap: 6px; }

.empty {
  color: var(--muted);
  text-align: center;
  padding: 24px;
  font-size: 13px;
  background: var(--bg-soft);
  border-radius: 8px;
  border: 1px dashed var(--border);
}

.hidden { display: none !important; }

/* Auth gate */
.auth-gate {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: grid;
  place-items: center;
  z-index: 100;
  padding: 20px;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: stretch;
  text-align: center;
  box-shadow: var(--shadow);
}

.auth-card h2 { font-size: 18px; font-weight: 600; }
.auth-card p { font-size: 13px; }

.auth-logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  color: white;
  font-weight: 700;
  font-size: 16px;
  display: grid;
  place-items: center;
  margin: 0 auto 6px;
}

.auth-card input {
  margin-top: 8px;
  text-align: center;
  letter-spacing: 1px;
}

.auth-err {
  color: var(--danger);
  font-size: 12px;
  margin-top: 4px;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--success);
  color: var(--text);
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.25s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { border-left-color: var(--danger); }
.toast.warn { border-left-color: var(--warning); }

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .topbar { padding: 14px 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .field { min-width: 100%; }
  .utm-item { grid-template-columns: 1fr; }
}