:root {
  --bg-0: #fbf5ea;
  --bg-1: #f4dfc6;
  --ink-0: #271c14;
  --ink-1: #554333;
  --line: #dcc5aa;
  --brand: #c97c5d;
  --brand-2: #e2b168;
  --ok: #64804a;
  --err: #9f3f3f;
  --card: rgba(255, 251, 245, 0.92);
  --shadow: 0 22px 60px rgba(65, 40, 18, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink-0);
  background: linear-gradient(160deg, var(--bg-0) 0%, var(--bg-1) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 15%, rgba(201, 124, 93, 0.2), transparent 35%),
    radial-gradient(circle at 80% 5%, rgba(226, 177, 104, 0.2), transparent 40%),
    radial-gradient(circle at 60% 75%, rgba(94, 71, 46, 0.14), transparent 45%);
}

.app-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.top-nav {
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
  background: rgba(255, 247, 237, 0.83);
  border-bottom: 1px solid rgba(108, 72, 41, 0.15);
  z-index: 40;
}

.top-nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-weight: 700;
  color: var(--ink-0);
  text-decoration: none;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--ink-1);
  text-decoration: none;
  font-size: 14px;
}

.nav-link:hover {
  color: var(--ink-0);
}

.btn {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 10px 16px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-solid {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #20140d;
  box-shadow: 0 14px 30px rgba(201, 124, 93, 0.3);
}

.btn-ghost {
  background: rgba(255, 248, 238, 0.65);
  border-color: rgba(95, 64, 38, 0.2);
  color: var(--ink-1);
}

.page {
  max-width: 1180px;
  margin: 24px auto 60px;
  padding: 0 24px;
}

.page.narrow {
  max-width: 760px;
}

.hero,
.card,
.chat-card,
.users-panel {
  background: var(--card);
  border: 1px solid rgba(111, 73, 44, 0.14);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero,
.card {
  padding: 32px;
}

.hero h1,
.card h2 {
  margin: 10px 0;
  font-family: "Sora", "Segoe UI", sans-serif;
}

.hero p,
.card p {
  color: var(--ink-1);
  line-height: 1.6;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(39, 28, 20, 0.6);
  margin: 0;
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.form h3 {
  margin: 4px 0;
}

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: var(--ink-1);
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 249, 240, 0.95);
  color: var(--ink-0);
  border-radius: 12px;
  padding: 12px;
  font: inherit;
}

textarea {
  min-height: 58px;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(201, 124, 93, 0.3);
  border-color: var(--brand);
}

.helper {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-1);
}

.text-link {
  border: none;
  background: none;
  color: var(--brand);
  cursor: pointer;
  font: inherit;
  padding: 0;
}

.status {
  border: 1px solid rgba(95, 64, 38, 0.22);
  background: rgba(250, 241, 228, 0.9);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--ink-1);
}

.status.error {
  border-color: rgba(159, 63, 63, 0.35);
  background: rgba(248, 231, 231, 0.95);
  color: var(--err);
}

.status.success {
  border-color: rgba(100, 128, 74, 0.35);
  background: rgba(232, 242, 223, 0.95);
  color: var(--ok);
}

.session-bar {
  margin: 12px auto 0;
  max-width: 1180px;
  padding: 0 24px;
  color: var(--ink-1);
}

.session-bar.error {
  color: var(--err);
}

.chat-card {
  padding: 20px;
  display: grid;
  gap: 14px;
}

.chat-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.messages {
  min-height: 380px;
  max-height: 58vh;
  overflow: auto;
  border: 1px solid rgba(95, 64, 38, 0.14);
  border-radius: 16px;
  background: rgba(252, 246, 238, 0.85);
  padding: 16px;
}

.messages.compact {
  min-height: 260px;
}

.empty,
.muted {
  color: rgba(39, 28, 20, 0.55);
}

.msg {
  display: flex;
  margin-bottom: 12px;
}

.msg.mine {
  justify-content: flex-end;
}

.msg.bot {
  justify-content: flex-start;
}

.bubble {
  max-width: min(82%, 640px);
  border-radius: 16px;
  padding: 12px;
  border: 1px solid rgba(95, 64, 38, 0.14);
}

.msg.mine .bubble {
  background: linear-gradient(135deg, #e9b184, #d18762);
  color: #1e130b;
}

.msg.bot .bubble {
  background: rgba(253, 244, 231, 0.95);
}

.bubble p {
  margin: 0 0 8px;
  white-space: pre-wrap;
}

.bubble span {
  font-size: 12px;
  color: rgba(39, 28, 20, 0.62);
}

.img-msg {
  max-width: 280px;
  border-radius: 12px;
  display: block;
}

.chat-input {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: end;
}

.thinking {
  margin-top: 8px;
  border: 1px solid rgba(95, 64, 38, 0.16);
  border-radius: 12px;
  padding: 10px;
  background: rgba(255, 251, 243, 0.8);
}

.thinking-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.track {
  height: 8px;
  border-radius: 999px;
  background: rgba(95, 64, 38, 0.15);
  overflow: hidden;
}

.fill {
  height: 100%;
  background: linear-gradient(90deg, #f2d299, #d98c67);
}

.admin-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 16px;
}

.users-panel {
  padding: 16px;
  height: fit-content;
}

.users-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.users-panel li {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid rgba(95, 64, 38, 0.12);
  cursor: pointer;
}

.users-panel li.selected {
  border-color: rgba(201, 124, 93, 0.45);
  background: rgba(244, 221, 196, 0.6);
}

.users-panel img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.users-panel strong,
.users-panel small {
  display: block;
}

.badge {
  min-width: 20px;
  height: 20px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff9f1;
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
}

.canned {
  border: 1px solid rgba(95, 64, 38, 0.12);
  border-radius: 14px;
  padding: 12px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.chip {
  display: inline-flex;
  border: 1px solid rgba(95, 64, 38, 0.2);
  border-radius: 999px;
  overflow: hidden;
}

.chip-main,
.chip-del {
  border: none;
  background: rgba(255, 246, 235, 0.95);
  font: inherit;
  padding: 7px 10px;
  cursor: pointer;
}

.chip-del {
  border-left: 1px solid rgba(95, 64, 38, 0.2);
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  border: 1px solid rgba(95, 64, 38, 0.15);
  border-radius: 14px;
  background: rgba(255, 250, 242, 0.85);
}

.faq-q {
  width: 100%;
  background: transparent;
  border: none;
  text-align: left;
  padding: 14px;
  font: inherit;
  cursor: pointer;
}

.faq-a {
  margin: 0;
  padding: 0 14px 14px;
  color: var(--ink-1);
}

.flat {
  margin: 0;
  padding-left: 20px;
  color: var(--ink-1);
  line-height: 1.7;
}

@media (max-width: 980px) {
  .admin-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .top-nav-inner,
  .page {
    padding-left: 14px;
    padding-right: 14px;
  }

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

  .bubble {
    max-width: 95%;
  }
}