:root {
  color-scheme: dark;
  --bg: #0a0c11;
  --panel: rgba(20, 23, 31, 0.82);
  --panel-strong: #151922;
  --panel-soft: rgba(255, 255, 255, 0.045);
  --border: rgba(255, 255, 255, 0.09);
  --text: #f7f8fb;
  --muted: #9ea5b3;
  --accent: #b39cff;
  --accent-strong: #8e6eff;
  --success: #5ed6a7;
  --danger: #ff7b8b;
  --warning: #f2c46d;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius: 20px;
  --font: Tahoma, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(142, 110, 255, 0.14), transparent 30%),
    radial-gradient(circle at 100% 80%, rgba(71, 183, 255, 0.08), transparent 35%),
    var(--bg);
}
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
.hidden { display: none !important; }

.glass-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(460px, 100%);
  padding: 34px;
  display: grid;
  gap: 24px;
}
.brand-mark {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  font-weight: 900;
  letter-spacing: -1px;
  background: linear-gradient(145deg, var(--accent), var(--accent-strong));
  color: #0b0911;
  box-shadow: 0 14px 35px rgba(142, 110, 255, 0.28);
}
.brand-mark.small { width: 44px; height: 44px; border-radius: 14px; font-size: 13px; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: 30px; margin-top: 5px; }
h2 { font-size: 25px; }
h3 { font-size: 20px; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .05em; }
.muted { color: var(--muted); line-height: 1.8; }

.stack-form { display: grid; gap: 16px; }
.stack-form label, .form-grid label {
  display: grid;
  gap: 8px;
  color: #d9dde5;
  font-size: 13px;
  font-weight: 700;
}
.stack-form small, .form-grid small { color: var(--muted); font-weight: 400; line-height: 1.7; }
input, textarea, select {
  width: 100%;
  color: var(--text);
  background: rgba(255,255,255,.045);
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 12px 14px;
  outline: none;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
input:focus, textarea:focus, select:focus {
  border-color: rgba(179,156,255,.7);
  background: rgba(255,255,255,.07);
  box-shadow: 0 0 0 4px rgba(142,110,255,.12);
}
textarea { resize: vertical; line-height: 1.8; }
select option { background: #151922; color: var(--text); }

.primary-button, .secondary-button, .ghost-button, .text-button, .icon-button {
  border: 0;
  border-radius: 12px;
  padding: 11px 15px;
  color: var(--text);
  transition: transform .15s, opacity .2s, background .2s;
}
.primary-button {
  background: linear-gradient(145deg, var(--accent), var(--accent-strong));
  color: #0c0913;
  font-weight: 900;
}
.secondary-button { background: rgba(255,255,255,.07); border: 1px solid var(--border); }
.ghost-button { background: transparent; border: 1px solid var(--border); }
.text-button { background: transparent; color: var(--accent); padding-inline: 0; }
.icon-button { width: 40px; height: 40px; padding: 0; display: grid; place-items: center; background: rgba(255,255,255,.06); font-size: 22px; }
button:hover { transform: translateY(-1px); }
button:disabled { opacity: .5; cursor: wait; transform: none; }
.full-width { width: 100%; }
.form-error { color: var(--danger); font-size: 13px; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 270px 1fr; }
.sidebar {
  height: 100vh;
  position: sticky;
  top: 0;
  padding: 22px;
  border-left: 1px solid var(--border);
  background: rgba(8,10,15,.84);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 30px;
  z-index: 20;
}
.sidebar-brand { display: flex; align-items: center; gap: 12px; }
.sidebar-brand div:last-child { display: grid; gap: 5px; }
.sidebar-brand span { color: var(--muted); font-size: 12px; direction: ltr; text-align: right; }
.nav-list { display: grid; gap: 8px; }
.nav-item {
  width: 100%;
  border: 0;
  padding: 13px 14px;
  border-radius: 14px;
  color: var(--muted);
  background: transparent;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: right;
}
.nav-item.active { color: var(--text); background: rgba(179,156,255,.12); }
.nav-icon { width: 24px; text-align: center; font-size: 18px; }
.sidebar-footer { margin-top: auto; display: grid; gap: 10px; }
.connection-pill {
  padding: 10px 12px;
  border-radius: 11px;
  font-size: 12px;
  text-align: center;
  background: rgba(255,255,255,.05);
  color: var(--muted);
}
.connection-pill.online { color: var(--success); background: rgba(94,214,167,.09); }
.connection-pill.offline { color: var(--danger); background: rgba(255,123,139,.08); }

.workspace { min-width: 0; }
.topbar {
  min-height: 92px;
  padding: 18px 30px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 18px;
  position: sticky;
  top: 0;
  background: rgba(10,12,17,.84);
  backdrop-filter: blur(18px);
  z-index: 10;
}
.topbar > div:nth-child(2) { display: grid; gap: 5px; }
.topbar-actions { margin-right: auto; display: flex; gap: 10px; }
.page-container { padding: 28px 30px 50px; }
.page-section { display: none; }
.page-section.active { display: block; animation: fade .2s ease; }
@keyframes fade { from { opacity: .55; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; margin-bottom: 20px; }
.stat-card { padding: 20px; min-height: 128px; display: grid; align-content: space-between; }
.stat-card .stat-label { color: var(--muted); font-size: 13px; }
.stat-card .stat-value { font-size: 34px; font-weight: 900; }
.stat-card .stat-note { color: var(--muted); font-size: 11px; }
.two-column-grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: 20px; }
.panel-card { padding: 22px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.section-heading > div { display: grid; gap: 5px; }
.large-heading { margin-bottom: 20px; }
.compact-list { display: grid; gap: 10px; }
.compact-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 13px;
  background: var(--panel-soft);
}
.compact-item .compact-icon { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: rgba(179,156,255,.11); }
.compact-item strong { display: block; font-size: 13px; margin-bottom: 5px; }
.compact-item small { color: var(--muted); }
.account-summary { display: grid; gap: 14px; }
.account-head { display: flex; gap: 13px; align-items: center; }
.account-avatar { width: 54px; height: 54px; border-radius: 50%; object-fit: cover; background: var(--panel-soft); }
.account-avatar.placeholder { display: grid; place-items: center; color: var(--muted); }
.account-meta { display: grid; gap: 4px; }
.account-meta span { color: var(--muted); font-size: 12px; }
.info-row { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-top: 1px solid var(--border); font-size: 13px; }
.info-row span { color: var(--muted); }

.section-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.segmented-control { display: inline-flex; padding: 4px; border-radius: 14px; background: rgba(255,255,255,.05); border: 1px solid var(--border); }
.segment { border: 0; color: var(--muted); background: transparent; border-radius: 10px; padding: 10px 14px; }
.segment.active { background: rgba(179,156,255,.15); color: var(--text); }
.media-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.media-card { overflow: hidden; border: 1px solid var(--border); border-radius: 18px; background: var(--panel); }
.media-preview { aspect-ratio: 1 / 1; position: relative; background: #11141b; overflow: hidden; }
.media-preview img { width: 100%; height: 100%; object-fit: cover; display: block; }
.media-preview .media-placeholder { height: 100%; display: grid; place-items: center; color: var(--muted); font-size: 32px; }
.media-badge { position: absolute; top: 10px; right: 10px; border-radius: 999px; padding: 6px 9px; background: rgba(8,10,15,.8); border: 1px solid rgba(255,255,255,.12); font-size: 11px; }
.media-body { padding: 14px; display: grid; gap: 12px; }
.media-caption { line-height: 1.7; font-size: 13px; min-height: 44px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.media-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; }
.media-actions { display: flex; gap: 8px; }
.media-actions button { flex: 1; }

.rules-list { display: grid; gap: 13px; }
.rule-card {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 15px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
}
.rule-thumb { width: 64px; height: 64px; border-radius: 14px; object-fit: cover; background: var(--panel-soft); }
.rule-thumb.placeholder { display: grid; place-items: center; color: var(--muted); font-size: 24px; }
.rule-main { min-width: 0; display: grid; gap: 8px; }
.rule-title-line { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.rule-title-line strong { font-size: 15px; }
.tag { display: inline-flex; align-items: center; border-radius: 999px; padding: 5px 8px; background: rgba(255,255,255,.06); color: var(--muted); font-size: 11px; }
.tag.active { color: var(--success); background: rgba(94,214,167,.08); }
.tag.inactive { color: var(--danger); background: rgba(255,123,139,.08); }
.keyword-line { color: var(--muted); font-size: 12px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.rule-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.danger-button { color: var(--danger); background: rgba(255,123,139,.08); border: 1px solid rgba(255,123,139,.18); border-radius: 12px; padding: 10px 12px; }

.table-wrap { overflow: auto; }
.data-table { width: 100%; border-collapse: collapse; min-width: 980px; }
.data-table th, .data-table td { padding: 13px 15px; border-bottom: 1px solid var(--border); text-align: right; font-size: 12px; vertical-align: top; }
.data-table th { color: var(--muted); font-weight: 700; background: rgba(255,255,255,.025); position: sticky; top: 0; }
.data-table tr:last-child td { border-bottom: 0; }
.status-dot { display: inline-flex; align-items: center; gap: 6px; }
.status-dot::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-success { color: var(--success); }
.status-failed { color: var(--danger); }
.status-partial { color: var(--warning); }
.status-neutral { color: var(--muted); }

.settings-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; }
.button-row { display: flex; gap: 10px; flex-wrap: wrap; }
.info-box { padding: 13px 14px; border-radius: 13px; background: rgba(255,255,255,.045); color: var(--muted); font-size: 12px; line-height: 1.8; display: flex; gap: 8px; flex-wrap: wrap; }
.copy-field { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-bottom: 14px; }
.copy-field span { grid-column: 1 / -1; color: var(--muted); font-size: 12px; }
.copy-field code { direction: ltr; text-align: left; overflow: auto; background: rgba(255,255,255,.04); border: 1px solid var(--border); border-radius: 12px; padding: 12px; color: #dfe3ed; }
.copy-field button { border: 1px solid var(--border); border-radius: 12px; background: rgba(255,255,255,.06); color: var(--text); padding: 0 13px; }

.modal-dialog { border: 0; padding: 0; background: transparent; width: min(820px, calc(100% - 28px)); max-height: calc(100vh - 28px); color: var(--text); }
.modal-dialog::backdrop { background: rgba(0,0,0,.72); backdrop-filter: blur(7px); }
.modal-card { background: #11151d; border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow); overflow: auto; max-height: calc(100vh - 28px); }
.modal-header, .modal-footer { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 20px 22px; }
.modal-header { border-bottom: 1px solid var(--border); }
.modal-header > div { display: grid; gap: 5px; }
.modal-footer { border-top: 1px solid var(--border); justify-content: flex-start; }
.form-grid { padding: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.full-span { grid-column: 1 / -1; }
.toggle-row { display: flex !important; grid-template-columns: auto 1fr !important; align-items: center; justify-content: flex-start; }
.toggle-row input { width: 20px; height: 20px; accent-color: var(--accent); }

.toast-root { position: fixed; left: 22px; bottom: 22px; z-index: 100; display: grid; gap: 9px; width: min(360px, calc(100% - 44px)); }
.toast { padding: 13px 15px; border-radius: 13px; border: 1px solid var(--border); background: #171b24; box-shadow: var(--shadow); font-size: 13px; animation: toastIn .2s ease; }
.toast.success { border-color: rgba(94,214,167,.3); }
.toast.error { border-color: rgba(255,123,139,.35); }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.empty-state { padding: 44px 20px; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: 18px; line-height: 1.9; }
.loading { opacity: .65; pointer-events: none; }
.mobile-only { display: none; }

@media (max-width: 1180px) {
  .stats-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .media-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; right: 0; width: 270px; transform: translateX(110%); transition: transform .25s ease; box-shadow: var(--shadow); }
  .sidebar.open { transform: translateX(0); }
  .mobile-only { display: grid; }
  .two-column-grid, .settings-grid { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .topbar { padding-inline: 18px; }
  .page-container { padding-inline: 18px; }
  .topbar-actions .secondary-button { display: none; }
}

@media (max-width: 620px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { min-height: 112px; padding: 15px; }
  .stat-card .stat-value { font-size: 28px; }
  .media-grid { grid-template-columns: 1fr; }
  .section-toolbar, .section-heading.large-heading { align-items: stretch; flex-direction: column; }
  .segmented-control { width: 100%; }
  .segment { flex: 1; }
  .rule-card { grid-template-columns: 52px 1fr; }
  .rule-thumb { width: 52px; height: 52px; }
  .rule-actions { grid-column: 1 / -1; justify-content: stretch; }
  .rule-actions button { flex: 1; }
  .form-grid { grid-template-columns: 1fr; padding: 17px; }
  .full-span { grid-column: auto; }
  .topbar { min-height: 78px; }
  .topbar h2 { font-size: 20px; }
  .topbar-actions .primary-button { padding-inline: 10px; font-size: 12px; }
}

/* Response Builder v1.1 */
.response-editor {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255,255,255,.025);
}
.response-help, .builder-empty {
  padding: 14px;
  border-radius: 13px;
  background: rgba(255,255,255,.035);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}
.builder-header, .builder-subhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.builder-header > div:first-child, .builder-subhead > div:first-child {
  display: grid;
  gap: 4px;
}
.builder-header small, .builder-subhead small { color: var(--muted); }
.builder-actions { display: flex; gap: 7px; flex-wrap: wrap; }
.compact-action { padding: 8px 10px; min-height: 36px; font-size: 12px; }
.compact-action:disabled { opacity: .38; cursor: not-allowed; }

.single-image-builder {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 16px;
  align-items: start;
}
.single-image-fields { display: grid; gap: 13px; }
.response-image-preview, .card-image-preview {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid var(--border);
  background: #0c0f15;
}
.response-image-preview.placeholder, .card-image-preview.placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 12px;
}
.upload-control input[type="file"] {
  padding: 9px;
  cursor: pointer;
}

.button-message-builder, .cards-builder, .buttons-builder { display: grid; gap: 13px; }
.button-builder-row {
  display: grid;
  grid-template-columns: minmax(150px,.55fr) minmax(260px,1.45fr) auto;
  gap: 10px;
  align-items: end;
  padding: 11px;
  border-radius: 14px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
}
.cards-stack { display: grid; gap: 16px; }
.product-card-builder {
  display: grid;
  gap: 15px;
  padding: 16px;
  border-radius: 17px;
  border: 1px solid var(--border);
  background: rgba(8,10,15,.42);
}
.card-builder-grid {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 16px;
}
.card-image-column, .card-fields-column { display: grid; gap: 11px; align-content: start; }

@media (max-width: 760px) {
  .single-image-builder, .card-builder-grid { grid-template-columns: 1fr; }
  .response-image-preview, .card-image-preview { max-width: 260px; }
  .button-builder-row { grid-template-columns: 1fr; }
  .builder-header, .builder-subhead { align-items: stretch; flex-direction: column; }
  .builder-actions { justify-content: stretch; }
  .builder-actions button { flex: 1; }
}