/* Shared light product theme */
:root {
  --color-bg: #fbfaf8;
  --color-surface: #ffffff;
  --color-surface-subtle: #f6f8fb;
  --color-surface-muted: #eef3f7;
  --color-border: #dde5ec;
  --color-border-light: #edf2f6;
  --color-text: #17212b;
  --color-text-secondary: #52616f;
  --color-text-muted: #81909f;
  --color-accent: #2f6f9f;
  --color-accent-hover: #22577f;
  --color-accent-soft: #eaf4fb;
  --color-mint: #4f947f;
  --color-mint-soft: #edf7f3;
  --color-amber: #aa7a22;
  --color-amber-soft: #fff7e6;
  --color-like: #c8505a;
  --color-danger-soft: #fff0f1;
  --shadow-xs: 0 1px 2px rgba(25, 39, 52, 0.04);
  --shadow-sm: 0 8px 24px rgba(25, 39, 52, 0.07);
  --shadow-focus: 0 0 0 0.2rem rgba(47, 111, 159, 0.15);
  --radius: 8px;
  --layout-content: 860px;
  --layout-nav: 960px;
  --bs-body-bg: var(--color-bg);
  --bs-body-color: var(--color-text);
  --bs-primary: var(--color-accent);
  --bs-primary-rgb: 47, 111, 159;
  --bs-link-color: var(--color-accent);
  --bs-link-hover-color: var(--color-accent-hover);
  --bs-border-color: var(--color-border);
  --bs-light: var(--color-surface-subtle);
  --bs-light-rgb: 246, 248, 251;
}

* {
  letter-spacing: 0;
}

html {
  background: var(--color-bg);
}

body {
  min-height: 100vh;
  background:
    linear-gradient(180deg, #f4f8fb 0, rgba(244, 248, 251, 0) 18rem),
    var(--color-bg) !important;
  color: var(--color-text);
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  text-rendering: optimizeLegibility;
}

main.container {
  max-width: 1040px;
}

main.container > h1.h3:first-child,
main.container > h1.h3:first-child + .card,
main.container > h1.h3:first-child + .card + p.text-muted,
main.container > h2.h4,
main.container > h2.h4 + .table-responsive {
  max-width: var(--layout-content);
  margin-left: auto;
  margin-right: auto;
}

main.container > h1.h3:first-child {
  color: var(--color-text);
  font-size: 1.55rem;
  font-weight: 750;
}

main.container > h2.h4 {
  color: var(--color-text);
  font-size: 1.15rem;
  font-weight: 750;
}

.ask-page {
  max-width: var(--layout-content);
  margin: 0 auto;
}

.ask-page__title {
  margin: 1.15rem 0 1rem;
  color: var(--color-text);
  font-size: 1.65rem;
  font-weight: 800;
}

.ask-card {
  margin-bottom: 0.8rem;
  border-color: #dbe7ef;
}

.ask-card__body {
  padding: 1.35rem 1.45rem 1.25rem;
}

.ask-card__field {
  margin-bottom: 0.95rem;
}

.ask-card__field .form-label {
  margin-bottom: 0.6rem;
  color: var(--color-text);
}

.ask-card textarea.form-control {
  min-height: 12.5rem;
  padding: 0.85rem 1rem;
  line-height: 1.7;
  background: #fff;
}

.ask-card__anonymous {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  margin: 0 0 1rem;
  padding: 0.42rem 0.62rem;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
}

.ask-card__anonymous .form-check-input {
  float: none;
  margin: 0;
}

.ask-card__anonymous .form-check-label {
  color: var(--color-text);
  font-weight: 650;
}

.ask-card__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ask-card__actions .btn {
  min-width: 4.8rem;
}

.ask-page__note {
  margin: 0 0 3rem;
  padding: 0.7rem 0.85rem;
  background: var(--color-mint-soft);
  border: 1px solid #d7ebe4;
  border-left: 3px solid var(--color-mint);
  border-radius: 8px;
  color: var(--color-text-secondary) !important;
  line-height: 1.7;
}

.ask-page__section-title {
  margin: 0 0 1rem;
  color: var(--color-text);
  font-size: 1.2rem;
  font-weight: 800;
}

a {
  text-underline-offset: 0.18em;
}

img {
  max-width: 100%;
}

.site-navbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  margin-bottom: 1rem !important;
  background: rgba(255, 255, 255, 0.9) !important;
  border-bottom: 1px solid rgba(221, 229, 236, 0.9);
  box-shadow: 0 1px 0 rgba(25, 39, 52, 0.03);
  backdrop-filter: blur(14px);
}

.site-navbar .container {
  max-width: var(--layout-nav);
  min-height: 3.5rem;
}

.site-navbar .navbar-brand,
.site-navbar .site-brand {
  color: var(--color-text) !important;
  font-weight: 700;
}

.site-brand__icon {
  display: block;
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 8px;
  box-shadow: 0 6px 16px rgba(47, 111, 159, 0.12);
}

.site-navbar .nav-link {
  color: var(--color-text-secondary) !important;
  border-radius: 999px;
  padding: 0.42rem 0.75rem !important;
  font-size: 0.95rem;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link:focus {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover) !important;
}

.site-navbar .navbar-text {
  color: var(--color-text-secondary) !important;
  font-size: 0.92rem;
}

.site-navbar .navbar-toggler {
  border-color: var(--color-border);
  border-radius: 8px;
  width: 2.75rem;
  height: 2.5rem;
  padding: 0.35rem 0.5rem;
}

.site-navbar .navbar-toggler:focus {
  box-shadow: var(--shadow-focus);
}

.site-navbar .navbar-toggler-icon {
  width: 1.25em;
  height: 1.25em;
  filter: invert(0.35);
}

.btn {
  border-radius: 8px;
  font-weight: 600;
  line-height: 1.35;
  transition:
    transform 0.12s ease,
    box-shadow 0.12s ease,
    background-color 0.12s ease,
    border-color 0.12s ease,
    color 0.12s ease;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  --bs-btn-bg: var(--color-accent);
  --bs-btn-border-color: var(--color-accent);
  --bs-btn-hover-bg: var(--color-accent-hover);
  --bs-btn-hover-border-color: var(--color-accent-hover);
  --bs-btn-active-bg: var(--color-accent-hover);
  --bs-btn-active-border-color: var(--color-accent-hover);
  --bs-btn-focus-shadow-rgb: 47, 111, 159;
  box-shadow: 0 8px 18px rgba(47, 111, 159, 0.18);
}

.btn-primary:hover {
  box-shadow: 0 10px 22px rgba(47, 111, 159, 0.22);
}

.btn-outline-primary {
  --bs-btn-color: var(--color-accent);
  --bs-btn-border-color: #b7d1e3;
  --bs-btn-hover-bg: var(--color-accent-soft);
  --bs-btn-hover-border-color: var(--color-accent);
  --bs-btn-hover-color: var(--color-accent-hover);
  --bs-btn-active-bg: var(--color-accent-soft);
  --bs-btn-active-border-color: var(--color-accent);
}

.btn-outline-secondary {
  --bs-btn-color: var(--color-text-secondary);
  --bs-btn-border-color: var(--color-border);
  --bs-btn-hover-bg: var(--color-surface-subtle);
  --bs-btn-hover-border-color: #c5d0da;
  --bs-btn-hover-color: var(--color-text);
}

.btn-link {
  --bs-btn-color: var(--color-accent);
  --bs-btn-hover-color: var(--color-accent-hover);
  font-weight: 600;
}

.card,
.list-group,
.table {
  border-radius: var(--radius);
}

.card {
  background-color: var(--color-surface);
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.card.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.card-body {
  color: var(--color-text);
}

.form-label {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  font-weight: 650;
}

.form-control,
.form-select {
  border-color: #d7e0e8;
  border-radius: 8px;
  color: var(--color-text);
  background-color: var(--color-surface);
}

.form-control::placeholder {
  color: #9aa8b5;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

.form-check-input {
  border-color: #b8c7d4;
}

.form-check-input:checked {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.alert {
  border-radius: 8px;
  border-color: var(--color-border-light);
}

.site-messages {
  max-width: var(--layout-content);
  margin: 0 auto 1rem;
}

.site-messages .alert {
  display: flex;
  align-items: center;
  min-height: 3rem;
  margin-bottom: 0;
  padding: 0.75rem 3rem 0.75rem 1rem;
  border-left-width: 3px;
  box-shadow: var(--shadow-xs);
}

.site-messages .btn-close {
  top: 50%;
  right: 1rem;
  transform: translateY(-50%);
  width: 0.75rem;
  height: 0.75rem;
  padding: 0.5rem;
  opacity: 0.55;
}

.site-messages .btn-close:hover {
  opacity: 0.85;
}

.alert-info {
  background-color: var(--color-accent-soft);
  color: var(--color-text-secondary);
}

.alert-success {
  background-color: var(--color-mint-soft);
  border-color: #d4ebe2;
  border-left-color: var(--color-mint);
  color: #25624f;
}

.alert-secondary {
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
}

.alert-warning {
  background-color: var(--color-amber-soft);
  border-color: #f0dfb9;
  color: #70531b;
}

.alert-danger {
  background-color: var(--color-danger-soft);
  border-color: #f3c8cd;
  color: #8c2d36;
}

.text-bg-success {
  background-color: var(--color-mint) !important;
}

.text-bg-secondary {
  background-color: var(--color-text-muted) !important;
}

.badge {
  border-radius: 999px;
  font-weight: 650;
}

.question-card {
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.15s ease;
}

.question-card:hover {
  border-color: #cbd9e4;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.pagination {
  gap: 0.4rem;
}

.pagination .page-link {
  min-width: 2.25rem;
  border-radius: 8px;
  color: var(--color-accent);
  border-color: var(--color-border);
  text-align: center;
}

.pagination .page-link:hover {
  background-color: var(--color-accent-soft);
  border-color: #c6dcea;
  color: var(--color-accent-hover);
}

.pagination .page-item.disabled .page-link {
  color: var(--color-text-muted);
  background-color: var(--color-surface);
}

.table {
  overflow: hidden;
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-xs);
}

.table > :not(caption) > * > * {
  background-color: var(--color-surface);
  border-bottom-color: var(--color-border-light);
  color: var(--color-text-secondary);
}

.table thead th {
  color: var(--color-text);
  font-size: 0.86rem;
  font-weight: 700;
}

.my-questions-table {
  table-layout: auto;
}

.my-questions-table th:first-child,
.my-questions-table td:first-child,
.my-questions-table th:nth-child(3),
.my-questions-table td:nth-child(3),
.my-questions-table th:nth-child(4),
.my-questions-table td:nth-child(4) {
  width: 1%;
  white-space: nowrap;
}

.my-questions-table__action {
  min-width: 3.5rem;
  text-align: center;
}

.my-questions-table__action a {
  display: inline-block;
  white-space: nowrap;
  font-weight: 650;
  text-decoration: none;
}

.like-form button.text-danger,
.feed-actions .text-danger {
  color: var(--color-like) !important;
}

.avatar-initials {
  background: linear-gradient(135deg, var(--color-accent), var(--color-mint)) !important;
}

.notification-bell-nav {
  flex-shrink: 0;
  min-width: 2.25rem;
}

.notification-bell {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: 999px;
}

.notification-bell:hover,
.notification-bell:focus {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
}

.notification-bell__icon {
  display: block;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  overflow: visible;
}

.notification-bell__icon path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.notification-bell__dot {
  position: absolute;
  top: 0.3rem;
  right: 0.35rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background-color: var(--color-like);
  border: 1.5px solid var(--color-surface);
  box-sizing: content-box;
}

.notification-list {
  overflow: hidden;
  border-color: var(--color-border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.notification-item {
  padding: 0;
  border-color: var(--color-border-light);
}

.notification-item--unread {
  background-color: var(--color-accent-soft);
}

.notification-item__link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 1rem;
  color: var(--color-text);
}

.notification-item__link:hover {
  color: var(--color-accent);
}

.notification-item__message {
  flex: 1;
  min-width: 0;
}

.notification-item__time {
  flex-shrink: 0;
  font-size: 0.85rem;
}

.admin-chat__bubble {
  margin-bottom: 1rem;
  max-width: min(92%, 44rem);
}

.admin-chat__bubble--user {
  margin-left: auto;
  text-align: right;
}

.admin-chat__bubble--assistant {
  margin-right: auto;
}

.admin-chat__bubble-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.admin-chat__bubble-body {
  display: inline-block;
  text-align: left;
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border-light);
  white-space: pre-wrap;
  word-break: break-word;
  box-shadow: var(--shadow-xs);
}

.admin-chat__bubble--user .admin-chat__bubble-body {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.admin-chat__bubble-actions {
  margin-top: 0.35rem;
}

.admin-chat__delete-form {
  flex-shrink: 0;
}

.admin-chat__bubble--streaming .admin-chat__bubble-body {
  min-height: 2.75rem;
  min-width: 4rem;
}

@media (max-width: 991.98px) {
  .site-navbar .container {
    min-height: 3.35rem;
  }

  .site-navbar .navbar-collapse {
    margin-top: 0.6rem;
    padding: 0.65rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
  }

  .site-navbar .site-navbar__primary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.35rem;
    margin-bottom: 0.65rem;
  }

  .site-navbar .site-navbar__primary--guest {
    grid-template-columns: 1fr;
  }

  .site-navbar .site-navbar__account {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    padding-top: 0.65rem;
    border-top: 1px solid var(--color-border-light);
  }

  .site-navbar .site-navbar__account .nav-item {
    display: flex;
    align-items: center;
    margin: 0 !important;
  }

  .site-navbar .site-navbar__account--user .navbar-text {
    max-width: 8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .site-navbar .site-navbar__account--user .nav-item:last-child {
    margin-left: auto !important;
  }

  .site-navbar .site-navbar__account--guest {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-navbar .site-navbar__account--guest .nav-item {
    display: block;
  }

  .site-navbar .site-navbar__account--guest .btn {
    width: 100%;
    margin: 0 !important;
  }

  .site-navbar .nav-link {
    padding: 0.55rem 0.65rem !important;
    text-align: center;
    background: var(--color-surface-subtle);
  }

  main.container {
    padding-inline: 1rem;
  }

  .ask-page__title {
    margin-top: 0.7rem;
    font-size: 1.45rem;
  }

  .ask-card__body {
    padding: 1rem;
  }

  .ask-card textarea.form-control {
    min-height: 10rem;
  }

  .ask-card__actions .btn {
    flex: 1;
  }

  .ask-page__note {
    margin-bottom: 2rem;
  }

  .btn:hover {
    transform: none;
  }

  .notification-item__link {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.25rem;
  }
}

@media (max-width: 420px) {
  .site-navbar .site-navbar__primary {
    grid-template-columns: 1fr;
  }
}