:root {
  --bg: #f5f7fb;
  --card: rgba(255, 255, 255, 0.92);
  --surface: #ffffff;
  --accent: #0b6a88;
  --accent-strong: #0a5770;
  --accent-soft: #daf0f8;
  --text: #1f2937;
  --muted: #667085;
  --border: rgba(15, 23, 42, 0.08);
  --error: #b42318;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  background: linear-gradient(160deg, #e7f5ff 0%, #f7efe5 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, #e7f5ff 0%, #f7efe5 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at top left, rgba(11, 106, 136, 0.12), transparent 34%),
    radial-gradient(circle at bottom right, rgba(212, 140, 88, 0.12), transparent 28%);
}

.app-shell {
  display: flex;
  flex-direction: column;
}

.page-wrap {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 0 0 calc(18px + env(safe-area-inset-bottom, 0px));
}

.page-wrap--chat {
  flex: 1 1 auto;
  display: flex;
}

.auth-body,
.offline-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(24px + env(safe-area-inset-top, 0px)) 16px calc(24px + env(safe-area-inset-bottom, 0px));
}

.auth-card,
.panel,
.chat-screen,
.offline-card {
  position: relative;
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.auth-card,
.offline-card {
  width: min(460px, 100%);
  padding: 28px 22px;
}

.auth-card h1,
.offline-card h1 {
  margin: 0 0 8px;
}

.auth-card p,
.offline-card p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.5;
}

.auth-card form {
  display: grid;
  gap: 10px;
}

input,
textarea,
select,
button {
  font: inherit;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid #d4dbe5;
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
}

input:focus-visible,
textarea:focus-visible,
button:focus-visible,
.back:focus-visible,
.offline-link:focus-visible {
  outline: 2px solid rgba(11, 106, 136, 0.35);
  outline-offset: 2px;
}

textarea {
  min-height: 52px;
  max-height: 180px;
  resize: none;
}

button,
.offline-link,
.button {
  border: none;
  border-radius: 14px;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  transition: transform 120ms ease, box-shadow 120ms ease, opacity 120ms ease;
}

button:hover,
button:focus-visible,
.offline-link:hover,
.offline-link:focus-visible,
.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(11, 106, 136, 0.22);
}

.button--ghost {
  background: rgba(255, 255, 255, 0.82);
  color: var(--accent);
  border: 1px solid rgba(11, 106, 136, 0.12);
  box-shadow: none;
}

.button--danger {
  color: var(--error);
  border-color: rgba(180, 35, 24, 0.16);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(14px + env(safe-area-inset-top, 0px)) 16px 14px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.topbar--page {
  align-items: flex-end;
}

.topbar__lead {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}

.topbar__lead h1 {
  margin: 0;
  font-size: 1.1rem;
}

.topbar__meta,
.topbar__eyebrow {
  margin: 0;
  color: var(--muted);
}

.topbar__meta {
  margin-top: 4px;
  font-size: 0.88rem;
}

.topbar__meta--mono {
  font-family: "SFMono-Regular", "Consolas", monospace;
  font-size: 0.78rem;
  word-break: break-all;
}

.topbar__eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(11, 106, 136, 0.1);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.topbar__action {
  margin: 0;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(11, 106, 136, 0.1);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
}

.status-pill--warn {
  background: rgba(180, 35, 24, 0.12);
  color: var(--error);
}

.panel,
.chat-screen {
  margin: 14px;
  padding: 16px;
}

.panel--chats {
  display: grid;
  gap: 14px;
}

.toolbar-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.75);
}

.toolbar-card__hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.toolbar-card__hero h2 {
  margin: 4px 0 0;
  font-size: 1.25rem;
}

.section-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-slot {
  display: flex;
}

.brand-slot--center {
  justify-content: center;
  margin-top: 16px;
}

.brand-slot--inline {
  margin-top: 6px;
}

.brand-slot--footer {
  justify-content: center;
  width: fit-content;
  margin: 6px auto 0;
  padding: 0 16px calc(20px + env(safe-area-inset-bottom, 0px));
}

.brand-slot--preview {
  justify-content: center;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--border);
}

.brand-signature {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.brand-signature__prefix {
  opacity: 0.76;
}

.brand-signature__link,
.brand-signature__name {
  font-weight: 600;
  color: var(--accent);
}

.brand-signature__link {
  text-decoration: none;
}

.brand-signature__link:hover,
.brand-signature__link:focus-visible {
  text-decoration: underline;
}

.brand-slot--footer .brand-signature {
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.05);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
}

.brand-slot--inline .brand-signature,
.brand-slot--center .brand-signature,
.brand-slot--preview .brand-signature {
  justify-content: center;
}

.toolbar {
  display: grid;
  gap: 12px;
}

.search-field {
  display: grid;
  gap: 8px;
}

.search-field__label {
  color: var(--muted);
  font-size: 0.9rem;
}

.toggle-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
}

.toggle-card strong,
.toggle-card span {
  display: block;
}

.toggle-card span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.85rem;
}

.toggle-card input[type="checkbox"] {
  width: 22px;
  height: 22px;
  accent-color: var(--accent);
}

.toolbar-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.push-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(11, 106, 136, 0.08);
  border: 1px solid rgba(11, 106, 136, 0.12);
}

.push-card__body {
  min-width: 0;
}

.push-card__text {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.status-banner {
  min-height: 1.3em;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.chat-item {
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 14px;
  display: block;
  background: rgba(255, 255, 255, 0.82);
}

.chat-item__main {
  display: grid;
  gap: 10px;
}

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

.chat-item__title {
  font-weight: 700;
  line-height: 1.4;
}

.chat-item__time {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.82rem;
}

.chat-item__preview {
  color: var(--muted);
  line-height: 1.45;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.chat-item__meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chat-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(11, 106, 136, 0.1);
  color: var(--accent);
  font-size: 0.8rem;
}

.chat-chip--muted {
  background: rgba(15, 23, 42, 0.06);
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 6px;
  min-width: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #fee4e2;
  color: var(--error);
  font-size: 12px;
  vertical-align: middle;
}

.chat-screen--mobile {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: calc(100dvh - 116px - env(safe-area-inset-bottom, 0px));
  padding: 0;
  overflow: hidden;
}

.messages {
  flex: 1 1 auto;
  display: grid;
  align-content: start;
  gap: 10px;
  overflow: auto;
  padding: 16px 16px 8px;
}

.msg {
  max-width: 88%;
  padding: 12px 14px;
  border-radius: 18px;
  background: #eef2f7;
  line-height: 1.45;
}

.msg small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.msg.out {
  margin-left: auto;
  background: var(--accent-soft);
}

.msg__body {
  white-space: pre-wrap;
  word-break: break-word;
}

.composer-shell {
  position: sticky;
  bottom: 0;
  display: grid;
  gap: 10px;
  padding: 10px 16px calc(14px + env(safe-area-inset-bottom, 0px));
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}

.templates {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.tpl-btn {
  flex: 0 0 auto;
  background: #0f766e;
  white-space: nowrap;
  box-shadow: none;
}

.composer {
  display: grid;
  gap: 10px;
}

.composer__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.composer__meta {
  color: var(--muted);
  font-size: 0.82rem;
}

.error {
  min-height: 1.3em;
  padding: 0 16px;
  color: var(--error);
}

.back {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.back--button {
  display: inline-flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(11, 106, 136, 0.12);
}

.empty-state {
  padding: 22px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(11, 106, 136, 0.22);
}

.empty-state strong {
  display: block;
  margin-bottom: 6px;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.empty-state--compact {
  margin-top: 8px;
}

.install-hint {
  position: fixed;
  left: 14px;
  right: 14px;
  bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.92);
  color: #fff;
  box-shadow: 0 18px 34px rgba(15, 23, 42, 0.28);
}

.install-hint.is-hidden {
  display: none;
}

.install-hint p {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

.install-hint__close {
  flex: 0 0 auto;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.admin-shell {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(11, 106, 136, 0.1), transparent 32%),
    linear-gradient(180deg, #f5f7fb 0%, #f8f3ea 100%);
}

.admin-login-body {
  background:
    radial-gradient(circle at top right, rgba(11, 106, 136, 0.12), transparent 30%),
    linear-gradient(180deg, #f3f7fc 0%, #f9efe2 100%);
}

.admin-login-card {
  border-top: 4px solid rgba(11, 106, 136, 0.28);
}

.admin-page {
  display: grid;
  gap: 14px;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding-top: 16px;
  padding-bottom: 24px;
}

.admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.admin-nav__link,
.admin-nav__link:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(11, 106, 136, 0.12);
  background: rgba(255, 255, 255, 0.82);
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.admin-nav__link:hover,
.admin-nav__link:focus-visible {
  color: var(--accent-strong);
  background: rgba(11, 106, 136, 0.08);
}

.admin-nav__link.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
}

.admin-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.notice {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.85);
}

.notice--error {
  color: var(--error);
  border-color: rgba(180, 35, 24, 0.18);
  background: rgba(254, 228, 226, 0.8);
}

.admin-grid {
  display: grid;
  gap: 14px;
}

.admin-grid--stats {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.admin-card {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.admin-card h2 {
  margin: 6px 0;
}

.admin-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.admin-card--intro {
  background: rgba(11, 106, 136, 0.08);
  border: 1px solid rgba(11, 106, 136, 0.12);
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.stack-form {
  display: grid;
  gap: 10px;
}

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

.form-grid label,
.stack-form label {
  display: grid;
  gap: 8px;
}

.form-grid__actions {
  display: flex;
  align-items: end;
}

.field-help {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.field-help--error {
  color: var(--error);
}

.admin-steps {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.admin-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 12px;
}

.admin-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(11, 106, 136, 0.1);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
}

.admin-badge--success {
  background: rgba(12, 166, 120, 0.12);
  color: #067647;
}

.admin-badge--muted {
  background: rgba(15, 23, 42, 0.06);
  color: var(--muted);
}

.admin-meta {
  display: grid;
  gap: 6px;
}

.admin-meta p {
  color: var(--text);
}

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.data-table th,
.data-table td {
  padding: 12px 10px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.mono {
  font-family: "SFMono-Regular", "Consolas", monospace;
  word-break: break-all;
}

.admin-list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--text);
}

.admin-user-list {
  display: grid;
  gap: 14px;
}

.admin-user-card {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--border);
}

.admin-user-card__header {
  margin-bottom: 12px;
}

.admin-user-card__header h2 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.inline-form {
  margin: 0;
}

.admin-user-actions {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.admin-form-block {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.admin-form-title {
  margin: 0 0 4px;
  color: var(--text);
  font-weight: 700;
}

@media (min-width: 720px) {
  .topbar {
    padding-left: 24px;
    padding-right: 24px;
  }

  .panel {
    margin: 18px 24px;
    padding: 18px;
  }

  .chat-screen {
    margin: 18px 24px;
  }

  .toolbar {
    grid-template-columns: minmax(240px, 1fr) minmax(260px, 320px);
    align-items: start;
  }

  .toolbar-actions {
    grid-column: 1 / -1;
    grid-template-columns: auto auto;
    justify-content: start;
  }

  .push-card {
    align-items: center;
  }

  .chat-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .chat-screen--mobile {
    min-height: calc(100dvh - 142px);
  }

  .install-hint {
    left: auto;
    right: 20px;
    width: min(420px, calc(100vw - 40px));
  }

  .admin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-grid {
    grid-template-columns: 1.4fr 1.2fr 0.8fr auto;
    align-items: end;
  }

  .form-grid__actions {
    justify-content: flex-start;
  }

  .admin-user-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
}