:root {
  --bg: #07111e;
  --panel: rgba(11, 18, 30, 0.82);
  --panel-border: rgba(255,255,255,0.08);
  --text: #eef4ff;
  --muted: rgba(238,244,255,0.66);
  --primary: #5b7cfa;
  --accent: #35d0ba;
  --danger: #ff6d7d;
  --shadow: 0 24px 60px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(91,124,250,0.28), transparent 30%),
    radial-gradient(circle at right top, rgba(53,208,186,0.16), transparent 25%),
    linear-gradient(180deg, #07111e 0%, #0c172b 100%);
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.merchant-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px 1fr;
}

.merchant-sidebar {
  background: rgba(4, 8, 16, 0.74);
  border-right: 1px solid rgba(255,255,255,0.07);
  padding: 28px 22px;
  backdrop-filter: blur(22px);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem;
  font-weight: 800;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.merchant-card,
.panel,
.card-block,
.request-item {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.summary-card {
  border-radius: 22px;
  padding: 18px;
}

.mini-label,
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.72rem;
  font-weight: 700;
  color: rgba(238,244,255,0.66);
}

.summary-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.7rem;
}

.summary-card small,
.section-head h3,
.meta-list span,
.chat-message small {
  color: var(--muted);
}

.request-list-wrap {
  display: grid;
  gap: 14px;
}

.queue-filters {
  display: grid;
  gap: 8px;
}

.queue-filter-control {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 10px 12px;
  background: rgba(255,255,255,0.06);
  color: #fff;
  outline: none;
}

.queue-filter-control::placeholder {
  color: rgba(238,244,255,0.55);
}

.queue-filter-control.compact {
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 0.9rem;
}

.chat-filters {
  display: grid;
  gap: 8px;
  min-width: 190px;
}

.chat-block {
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 12px;
}

.chat-block .section-head {
  margin-bottom: 0;
}

.chat-block .section-head h3 {
  margin-top: 4px;
}

.chat-filters {
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  align-items: center;
}

.thread-item {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  color: #fff;
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.thread-item:hover {
  background: rgba(91,124,250,0.14);
  border-color: rgba(91,124,250,0.45);
}

.thread-item.active {
  background: linear-gradient(135deg, rgba(91,124,250,0.22), rgba(53,208,186,0.16));
  border-color: rgba(91,124,250,0.7);
}

.thread-item-main {
  min-width: 0;
}

.thread-item-main strong,
.thread-item-main span,
.thread-item small {
  display: block;
}

.thread-item-main span,
.thread-item small {
  color: var(--muted);
  font-size: 0.82rem;
}

.thread-item small {
  white-space: nowrap;
}

.thread-empty {
  border: 1px dashed rgba(255,255,255,0.16);
  border-radius: 14px;
  padding: 12px;
  color: var(--muted);
}

.thread-empty strong,
.thread-empty small {
  display: block;
}

.request-list {
  display: grid;
  gap: 12px;
}

.request-item {
  border-radius: 18px;
  padding: 14px;
  cursor: pointer;
}

.request-item.active {
  outline: 1px solid rgba(91,124,250,0.55);
  box-shadow: 0 0 0 1px rgba(91,124,250,0.25);
}

.request-item strong,
.request-item span {
  display: block;
}

.request-item strong {
  margin-top: 6px;
}

.request-item small {
  color: var(--muted);
}

.merchant-main {
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
}

.topbar h1,
.section-head h3 {
  margin: 8px 0 0;
  letter-spacing: -0.05em;
}

.topbar-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.ghost-btn,
.primary-btn {
  border: none;
  border-radius: 14px;
  padding: 13px 18px;
  cursor: pointer;
  font-weight: 700;
}

.ghost-btn {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.08);
}

.primary-btn {
  background: linear-gradient(135deg, var(--primary), #7b8dff);
  color: #fff;
}

.panel {
  border-radius: 28px;
  padding: 24px;
}

.login-panel {
  margin-bottom: 22px;
}

.login-form,
.chat-form {
  display: grid;
  gap: 14px;
}

.login-form label,
.chat-form {
  color: var(--muted);
}

.login-form input,
.chat-form input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  padding: 14px 15px;
  background: rgba(255,255,255,0.06);
  color: #fff;
}

.request-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 22px;
}

.card-block {
  border-radius: 24px;
  padding: 22px;
}

.meta-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.meta-list div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.05);
}

.meta-list strong {
  text-align: right;
}

.approval-actions {
  margin-top: 18px;
}

.chat-messages {
  min-height: 300px;
  max-height: 420px;
  overflow: auto;
  display: grid;
  gap: 12px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  background: rgba(5, 12, 21, 0.5);
}

.chat-message {
  max-width: 82%;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
}

.chat-message.user {
  margin-right: auto;
  background: rgba(91,124,250,0.18);
}

.chat-message.merchant {
  margin-left: auto;
  background: rgba(53,208,186,0.16);
}

.chat-message p {
  margin: 0 0 6px;
  line-height: 1.5;
}

.chat-form {
  grid-template-columns: 1fr auto;
  align-items: end;
  margin-top: 4px;
}

.chat-form input {
  min-height: 44px;
}

#dashboardStatusMessage {
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: 16px;
}

.dashboard-status.error,
.dashboard-status.success {
  background: rgba(255,255,255,0.06);
}

@media (max-width: 1080px) {
  .merchant-shell,
  .request-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .merchant-main {
    padding: 18px;
  }

  .merchant-sidebar {
    padding: 20px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .chat-form {
    grid-template-columns: 1fr;
  }

  .chat-filters {
    grid-template-columns: 1fr;
  }

  .thread-item {
    flex-direction: column;
    align-items: flex-start;
  }
}