@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700;800&display=swap');

:root {
  --app-bg: radial-gradient(circle at top right, #daf2ff, #f8fbff 45%, #f4f7f9 90%);
  --nav-bg: linear-gradient(120deg, #0e3042, #134864);
  --card-bg: #ffffff;
  --text-main: #1f2d38;
  --text-soft: #5c6e7a;
  --ok: #198754;
  --danger: #dc3545;
  --primary: #0d6efd;
  --panel-grad-start: #eef6ff;
  --panel-grad-end: #dcecff;
  --panel-border: #cfe1f1;
  --panel-text: #0e3042;
}

body.theme-ocean {
  --app-bg: radial-gradient(circle at top right, #cff4ff, #edf9ff 45%, #eef6f8 90%);
  --nav-bg: linear-gradient(120deg, #063149, #0b5d7d);
  --panel-grad-start: #e9f8ff;
  --panel-grad-end: #cfeeff;
  --panel-border: #b9ddf2;
  --panel-text: #08344b;
}

body.theme-sunset {
  --app-bg: radial-gradient(circle at top right, #ffe3cc, #fff1e5 45%, #fff8f1 90%);
  --nav-bg: linear-gradient(120deg, #7a2f1f, #c4522d);
  --panel-grad-start: #fff0e3;
  --panel-grad-end: #ffdcbc;
  --panel-border: #f0c9a9;
  --panel-text: #6a2d20;
}

body.theme-forest {
  --app-bg: radial-gradient(circle at top right, #d6efe0, #eef9f2 45%, #f6fbf8 90%);
  --nav-bg: linear-gradient(120deg, #1b4b38, #2c6e52);
  --panel-grad-start: #e7f6ee;
  --panel-grad-end: #d2ecd9;
  --panel-border: #b7d8bf;
  --panel-text: #1e4a36;
}

body {
  font-family: 'Manrope', sans-serif;
  color: var(--text-main);
}

.bg-app {
  min-height: 100vh;
  background: var(--app-bg);
}

.nav-gradient {
  background: linear-gradient(155deg, #eef6ff, #dbeaf8);
  border-bottom: 1px solid #c9deee;
}

.nav-gradient .navbar-brand,
.nav-gradient .navbar-brand:hover,
.nav-gradient .navbar-brand:focus,
.nav-gradient .navbar-text,
.nav-gradient .btn-outline-light,
.nav-gradient .btn-outline-light:hover,
.nav-gradient .btn-outline-light:focus,
.nav-gradient .btn-outline-light:active {
  color: #1f2d38;
}

.nav-gradient .btn-outline-light {
  border-color: #9dbed8;
}

.nav-gradient .btn-outline-light:hover,
.nav-gradient .btn-outline-light:focus,
.nav-gradient .btn-outline-light:active {
  background-color: #d8e9f8;
  border-color: #88aecb;
}

.header-logo {
  height: 32px;
  width: auto;
  display: block;
}

.header-quick-links .header-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 2.25rem;
  justify-content: center;
}

.header-quick-links .header-icon-btn .label-text {
  white-space: nowrap;
}

.header-quick-links.labels-collapsed .header-icon-btn .label-text {
  display: none;
}

.header-quick-links.labels-collapsed .header-icon-btn {
  padding-left: 0.55rem;
  padding-right: 0.55rem;
}

.auth-card {
  border-radius: 18px;
}

.auth-side {
  background: linear-gradient(155deg, #eef6ff, #dbeaf8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid #c9deee;
}

.auth-logo {
  width: 220px;
  max-width: 100%;
  height: auto;
}

.metric-card {
  background: var(--card-bg);
  border-radius: 14px;
  box-shadow: 0 8px 18px rgba(7, 53, 73, 0.08);
  padding: 1rem;
  height: 100%;
  border: 1px solid #e8eff5;
}

.metric-card span {
  display: block;
  color: var(--text-soft);
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
}

.metric-card strong {
  font-size: 1.5rem;
  font-weight: 800;
}

.metric-card.ok strong {
  color: var(--ok);
}

.metric-card.wrong strong {
  color: var(--danger);
}

.card {
  border-radius: 14px;
  border: 1px solid #d7e6f3;
  overflow: hidden;
}

.card .card-header {
  background: linear-gradient(180deg, var(--panel-grad-start), var(--panel-grad-end)) !important;
  border-bottom: 1px solid var(--panel-border);
  color: var(--panel-text);
}

.table thead th {
  font-size: 0.85rem;
  color: var(--panel-text);
  font-weight: 700;
  border-bottom: 1px solid var(--panel-border);
  background: linear-gradient(180deg, var(--panel-grad-start), var(--panel-grad-end));
}

#topicDetailTable tfoot td {
  position: sticky;
  bottom: 0;
  z-index: 2;
  background: linear-gradient(180deg, var(--panel-grad-start), var(--panel-grad-end));
  border-top: 2px solid var(--panel-border);
  box-shadow: 0 -2px 8px rgba(13, 48, 66, 0.08);
}

#topicDetailTable thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: linear-gradient(180deg, var(--panel-grad-start), var(--panel-grad-end));
  box-shadow: 0 2px 8px rgba(13, 48, 66, 0.08);
}

.dropdown-submenu {
  position: relative;
}

.dropdown-submenu > .dropdown-menu {
  top: 0;
  left: 100%;
  margin-top: -0.35rem;
  margin-left: 0.15rem;
}

.dropdown-submenu:hover > .dropdown-menu {
  display: block;
}

.theme-swatch {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55);
  flex: 0 0 auto;
}

.theme-swatch-default {
  background: linear-gradient(135deg, #134864, #0d6efd);
}

.theme-swatch-ocean {
  background: linear-gradient(135deg, #0b5d7d, #2ea8d6);
}

.theme-swatch-sunset {
  background: linear-gradient(135deg, #c4522d, #ff9b54);
}

.theme-swatch-forest {
  background: linear-gradient(135deg, #2c6e52, #66a576);
}

.launch-result-btn {
  font-weight: 700;
}

.btn-outline-warning {
  font-weight: 700;
}

.monthly-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(52px, 1fr));
  gap: 0.65rem;
}

.monthly-item {
  text-align: center;
}

.monthly-bar-wrap {
  height: 120px;
  border-radius: 10px;
  background: linear-gradient(180deg, #eef6fb, #f8fbff);
  border: 1px solid #dde8f1;
  display: flex;
  align-items: flex-end;
  padding: 6px;
}

.monthly-bar {
  width: 100%;
  border-radius: 8px;
  background: linear-gradient(180deg, #4ba4ff, #0d6efd);
  transition: height 0.3s ease;
}

.network-tree-wrap {
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.network-tree-root,
.network-tree-root ul {
  list-style: none;
  margin: 0;
  padding-left: 1.5rem;
  position: relative;
}

.network-tree-root {
  padding-left: 0.5rem;
}

.network-tree-root ul::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 1.1rem;
  left: 0.35rem;
  width: 1px;
  background: #c9deee;
}

.network-tree-root li {
  position: relative;
  margin: 0.6rem 0;
  padding-left: 0.75rem;
}

.network-tree-root li::before {
  content: '';
  position: absolute;
  top: 1rem;
  left: -0.4rem;
  width: 0.75rem;
  height: 1px;
  background: #c9deee;
}

.network-tree-root > li {
  padding-left: 0;
}

.network-tree-root > li::before {
  display: none;
}

.network-tree-node {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(180deg, #ffffff, #f6fbff);
  border: 1px solid #d7e6f3;
  border-radius: 999px;
  padding: 0.45rem 0.95rem 0.45rem 0.45rem;
  box-shadow: 0 8px 16px rgba(13, 48, 66, 0.08);
  min-width: 210px;
}

.network-tree-node-link {
  text-decoration: none;
  color: inherit;
}

.network-tree-node-link:hover .network-tree-node,
.network-tree-node-link:focus .network-tree-node {
  border-color: #9bc2dd;
  box-shadow: 0 10px 20px rgba(13, 48, 66, 0.12);
}

.network-tree-node-active {
  border-color: #0d6efd;
  box-shadow: 0 10px 20px rgba(13, 110, 253, 0.2);
}

.network-tree-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #0b5d7d, #2ea8d6);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22);
  flex: 0 0 auto;
}

.network-tree-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}

.network-tree-meta strong,
.network-tree-meta small {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.network-tree-meta small {
  color: #5c6e7a;
}

@media (max-width: 768px) {
  .navbar .small {
    display: none;
  }

  .header-quick-links .header-icon-btn .label-text {
    display: none;
  }

  .header-quick-links .header-icon-btn {
    padding-left: 0.55rem;
    padding-right: 0.55rem;
  }

  .dropdown-submenu > .dropdown-menu {
    position: static;
    margin-left: 0;
    padding-left: 1rem;
  }

  .monthly-grid {
    grid-template-columns: repeat(6, minmax(52px, 1fr));
  }

  .network-tree-root,
  .network-tree-root ul {
    padding-left: 1rem;
  }

  .network-tree-node {
    min-width: 180px;
    padding-right: 0.8rem;
  }

  .network-tree-meta strong,
  .network-tree-meta small {
    max-width: 180px;
  }
}