:root {
  color-scheme: dark;
  --bg: #07100f;
  --panel: rgba(255, 255, 255, 0.13);
  --panel-strong: rgba(255, 255, 255, 0.2);
  --line: rgba(255, 255, 255, 0.24);
  --text: #f7fffb;
  --muted: rgba(247, 255, 251, 0.68);
  --green: #57f2a4;
  --cyan: #8ae7ff;
  --pink: #ff8ecf;
  --danger: #ff7f8a;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 8%, rgba(87, 242, 164, 0.24), transparent 26rem),
    radial-gradient(circle at 82% 18%, rgba(138, 231, 255, 0.18), transparent 30rem),
    linear-gradient(135deg, #07100f 0%, #13211e 48%, #090d12 100%);
}

button, input, textarea {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  min-height: 42px;
  padding: 0 14px;
  cursor: pointer;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.primary {
  border-color: rgba(87, 242, 164, 0.7);
  background: linear-gradient(135deg, rgba(87, 242, 164, 0.36), rgba(138, 231, 255, 0.18));
}

button:hover, button:focus-visible {
  background: rgba(255, 255, 255, 0.22);
  outline: 2px solid rgba(87, 242, 164, 0.45);
}

input, textarea {
  width: 100%;
  color: var(--text);
  background: rgba(4, 10, 9, 0.46);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 13px;
  outline: none;
}

textarea { min-height: 44px; resize: vertical; }

.shell {
  min-height: 100vh;
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(240px, 310px) minmax(0, 1fr);
  gap: 16px;
}

.glass {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255,255,255,0.18), rgba(255,255,255,0.08));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border-radius: 18px;
}

.rail, .chat, .onboarding, .admin-panel {
  padding: 16px;
}

.mark {
  width: max-content;
  margin-bottom: 18px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  font-weight: 800;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.brand h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: 0;
}

.brand p {
  margin: 2px 0 0;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px rgba(87, 242, 164, 0.8);
}

.profile-chip, .contact {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.avatar.mini {
  display: grid;
  place-items: center;
  color: var(--text);
  font-weight: 800;
}

.contact {
  width: 100%;
  justify-content: flex-start;
  margin-top: 8px;
  text-align: left;
}

.contact small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
}

.contact.active {
  border-color: rgba(87, 242, 164, 0.7);
  background: rgba(87, 242, 164, 0.16);
}

.add-row, .composer {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.chat {
  min-height: calc(100vh - 36px);
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.chat-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.messages {
  overflow: auto;
  padding: 18px 4px;
}

.bubble {
  max-width: min(680px, 86%);
  margin: 8px 0;
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.14);
  line-height: 1.42;
}

.bubble.user {
  margin-left: auto;
  background: rgba(87, 242, 164, 0.2);
}

.bubble.emma {
  background: rgba(255, 142, 207, 0.18);
}

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

.error {
  color: #190506;
  background: rgba(255, 127, 138, 0.82);
  border-radius: 8px;
  padding: 10px 12px;
}

.empty-small, .empty-chat {
  color: var(--muted);
  border: 1px dashed rgba(255, 255, 255, 0.24);
  border-radius: 12px;
  padding: 14px;
  margin-top: 12px;
}

.empty-chat {
  margin: 10vh auto 0;
  width: min(360px, 90%);
  text-align: center;
}

.empty-chat h3 {
  margin: 0 0 6px;
}

.onboarding {
  width: min(560px, calc(100vw - 32px));
  margin: 8vh auto;
}

.onboarding h1, .chat h2 {
  margin: 0 0 8px;
  letter-spacing: 0;
}

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

.admin-shell {
  min-height: 100vh;
  padding: 18px;
}

.admin-panel {
  max-width: 1180px;
  margin: 0 auto;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.stat {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.1);
}

.admin-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 14px 0;
}

.manual-box {
  margin: 18px 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

th, td {
  padding: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.16);
  text-align: left;
  vertical-align: top;
}

@media (max-width: 820px) {
  .shell {
    grid-template-columns: 1fr;
    padding: 10px;
  }
  .chat {
    min-height: 68vh;
  }
  .stats {
    grid-template-columns: 1fr;
  }
}