:root {
  color-scheme: dark;
  --bg: #060b14;
  --card: #0f172a;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #10b981;
  --accent-dim: rgba(16, 185, 129, 0.15);
  --border: rgba(148, 163, 184, 0.22);
  --danger: #f87171;
  --warn: #fbbf24;
  --input-bg: #060b14;
  --elevated: #151c2c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, sans-serif;
  background: radial-gradient(circle at top, #0b1120 0%, var(--bg) 55%);
  color: var(--text);
}

a { color: #6ee7b7; text-decoration: none; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(6, 11, 20, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand span { color: var(--accent); }

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 22px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

h1 { margin: 0 0 8px; font-size: 1.45rem; letter-spacing: -0.02em; }
h2.section-title { margin: 0 0 16px; font-size: 1.1rem; display: flex; align-items: center; gap: 8px; }

.sub {
  color: var(--muted);
  margin: 0 0 22px;
  line-height: 1.55;
  font-size: 0.95rem;
}

.label-xs {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

label { display: block; margin-bottom: 8px; }

.text-input {
  width: 100%;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.text-input:focus {
  outline: none;
  border-color: rgba(16, 185, 129, 0.55);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

input[type="email"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 16px;
}

button, .btn-link {
  appearance: none;
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

button.primary {
  background: #047857;
  color: #ecfdf5;
  border: 1px solid #059669;
}

button.primary:hover:not(:disabled) { background: #059669; }
button.primary:disabled { opacity: 0.5; cursor: not-allowed; }

button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

button.ghost.sm {
  padding: 6px 10px;
  font-size: 0.7rem;
}

button.ghost.wide { width: 100%; margin-top: 8px; }

.msg {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.45;
}

.msg.ok { background: var(--accent-dim); border: 1px solid rgba(16, 185, 129, 0.35); color: #a7f3d0; }
.msg.err { background: rgba(248, 113, 113, 0.12); border: 1px solid rgba(248, 113, 113, 0.35); color: #fecaca; }

.hint { margin-top: 20px; font-size: 0.82rem; color: var(--muted); line-height: 1.55; }

.session-card {
  padding: 10px 12px;
}

.session-header {
  display: flex;
  align-items: center;
  gap: 10px 14px;
  flex-wrap: wrap;
}

.session-identity {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
  flex: 0 1 auto;
}

.session-identity .label-xs {
  flex-shrink: 0;
}

.session-email {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
  word-break: break-all;
}

.session-stats {
  flex: 1 1 200px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 8px;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--muted);
  min-width: 0;
}

.session-stats .stat-sep {
  color: #475569;
  user-select: none;
}

#btn-logout {
  flex-shrink: 0;
  margin-left: auto;
}

.filter-section {
  margin: 8px 0 12px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(6, 11, 20, 0.45);
}

.filter-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.filter-hint { margin: 8px 0 0; font-size: 0.8rem; color: var(--muted); }

.tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 28px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.35);
  color: #ddd6fe;
  font-size: 0.78rem;
}

.tag-chip button {
  padding: 0;
  border: none;
  background: none;
  color: #c4b5fd;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.demo-filters { margin-top: 12px; }
.demo-filters summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; }
.demo-grid { margin-top: 12px; display: grid; gap: 12px; }

.check-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.check-row label { display: inline-flex; align-items: center; gap: 6px; margin: 0; text-transform: none; letter-spacing: 0; font-weight: 400; }

.preview-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: #bae6fd;
  font-size: 0.9rem;
}

.preview-bar #btn-refresh-preview { margin-left: auto; }

.portal-quill-wrap {
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  overflow: hidden;
  margin-bottom: 8px;
}

.portal-quill-wrap .ql-toolbar.ql-snow {
  border: none;
  border-bottom: 1px solid var(--border);
  background: var(--elevated);
}

.portal-quill-wrap .ql-container.ql-snow {
  border: none;
  min-height: 400px;
  font-size: 0.95rem;
}

.portal-quill-wrap .ql-editor {
  min-height: 400px;
  color: var(--text);
}

@media (min-width: 640px) {
  .portal-quill-wrap .ql-container.ql-snow,
  .portal-quill-wrap .ql-editor {
    min-height: 520px;
  }
}

.portal-quill-wrap .ql-snow .ql-stroke { stroke: #94a3b8; }
.portal-quill-wrap .ql-snow .ql-fill { fill: #94a3b8; }
.portal-quill-wrap .ql-snow .ql-picker { color: #94a3b8; }
.portal-quill-wrap .ql-snow .ql-picker-options { background: var(--elevated); border-color: var(--border); }

.portal-quill-counter {
  text-align: right;
  font-size: 10px;
  color: var(--muted);
  padding: 4px 12px 8px;
  user-select: none;
}

.portal-quill-counter--warn { color: var(--warn); }
.portal-quill-counter--over { color: var(--danger); font-weight: 700; }

.portal-deal-opt-wrap {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(6, 11, 20, 0.45);
}

.portal-deal-opt {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  line-height: 1.45;
  cursor: pointer;
}

.portal-deal-opt input {
  margin-top: 3px;
  flex-shrink: 0;
}

.portal-deal-opt-wrap .filter-hint {
  margin: 8px 0 0 26px;
}

.composer-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 12px;
}

@media (min-width: 640px) {
  .composer-actions { grid-template-columns: 1fr 1fr; }
  .composer-actions .ghost.wide { margin-top: 0; }
}

.campaign-progress {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(16, 185, 129, 0.25);
  background: rgba(16, 185, 129, 0.06);
}

.progress-track {
  height: 6px;
  border-radius: 999px;
  background: var(--elevated);
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #047857, #10b981);
  width: 0%;
  transition: width 0.4s ease;
}

.campaign-progress p {
  margin: 0;
  font-size: 0.85rem;
  color: #a7f3d0;
}

.tag-dialog {
  border: none;
  padding: 0;
  background: transparent;
  max-width: min(560px, 96vw);
}

.tag-dialog::backdrop { background: rgba(0, 0, 0, 0.65); }

.tag-dialog-inner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  max-height: 85vh;
  overflow: auto;
}

.tag-dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.tag-dialog-head h3 { margin: 0; font-size: 1rem; }

.tag-groups { display: flex; flex-direction: column; gap: 14px; max-height: 50vh; overflow: auto; }

.tag-group-title { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 6px; }

.tag-pick-grid { display: flex; flex-wrap: wrap; gap: 6px; }

.tag-pick {
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--muted);
  font-size: 0.78rem;
  cursor: pointer;
}

.tag-pick.selected {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.45);
  color: #a7f3d0;
}

.tag-dialog-foot { margin-top: 14px; }

.preview-body {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--muted);
}

.preview-body .preview-html {
  margin-top: 12px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
}

.hidden { display: none !important; }

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}


.campaign-progress {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(16, 185, 129, 0.25);
  background: rgba(16, 185, 129, 0.06);
}

.progress-track {
  height: 6px;
  border-radius: 999px;
  background: var(--elevated);
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #047857, #10b981);
  width: 0%;
  transition: width 0.4s ease;
}

.campaign-progress p {
  margin: 0;
  font-size: 0.85rem;
  color: #a7f3d0;
}

@keyframes spin { to { transform: rotate(360deg); } }