:root {
  --bg: #eef3fb;
  --panel: #ffffff;
  --line: #d9e3f0;
  --text: #12213f;
  --muted: #6c7a96;
  --primary: #2f68ff;
  --primary-dark: #1f4fd6;
  --success: #10b981;
  --danger: #dc2626;
  --shadow: 0 18px 45px rgba(24, 52, 97, 0.08);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(47, 104, 255, 0.14), transparent 28%),
    radial-gradient(circle at right, rgba(16, 185, 129, 0.12), transparent 22%),
    linear-gradient(180deg, #f7f9fd 0%, var(--bg) 100%);
  color: var(--text);
}

body.login-page,
body {
  background: #f3f4f8;
}

a {
  color: inherit;
  text-decoration: none;
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 32px auto;
}

.card {
  background: var(--panel);
  border: 1px solid rgba(217, 227, 240, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: 24px 0;
}

.login-simple-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-simple-card {
  width: min(100%, 450px);
  padding: 28px 32px 26px;
  border-radius: 18px;
  border: 1px solid #dfe5ef;
  box-shadow: 0 10px 28px rgba(31, 54, 96, 0.12);
  background: #ffffff;
}

.login-brand {
  text-align: center;
  margin-bottom: 30px;
}

.brand-wordmark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.brand-logo {
  width: min(100%, 290px);
  height: auto;
  display: block;
}

.login-simple-form {
  display: grid;
  gap: 4px;
}

.input-shell {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #cfd7e5;
  border-radius: 10px;
  background: #ffffff;
  padding: 0 14px;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.input-shell:focus-within {
  box-shadow: 0 0 0 4px rgba(47, 104, 255, 0.10);
}

.input-icon {
  width: 18px;
  height: 18px;
  opacity: 0.75;
  flex: 0 0 18px;
}

.input-shell input {
  border: 0;
  box-shadow: none;
  padding-left: 0;
  padding-right: 0;
}

.input-shell input:focus {
  box-shadow: none;
}

.login-simple-button {
  margin-top: 8px;
  border-radius: 10px;
  padding: 13px 18px;
  font-size: 16px;
  box-shadow: none;
}

.login-footer {
  margin-top: 26px;
  text-align: center;
  font-size: 14px;
  color: #9aa4b8;
}

.login-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: stretch;
}

.hero {
  padding: 44px;
  background:
    linear-gradient(135deg, rgba(47, 104, 255, 0.96), rgba(21, 46, 122, 0.96)),
    #2f68ff;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 14px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.03;
  margin: 0 0 16px;
  max-width: 540px;
}

.hero p {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
  max-width: 520px;
  margin: 0 0 28px;
}

.hero-list {
  display: grid;
  gap: 14px;
  position: relative;
  z-index: 1;
}

.hero-list div {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.12);
  width: fit-content;
}

.panel {
  padding: 34px;
}

.panel h2 {
  margin: 0;
  font-size: 28px;
}

.subtitle {
  margin: 10px 0 28px;
  color: var(--muted);
  line-height: 1.6;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.field input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 15px;
  font-size: 15px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(47, 104, 255, 0.10);
}

.button {
  width: 100%;
  border: 0;
  border-radius: 14px;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  transition: transform .15s ease, box-shadow .2s ease;
  box-shadow: 0 12px 28px rgba(47, 104, 255, 0.24);
}

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

.status {
  min-height: 24px;
  margin-top: 14px;
  font-size: 14px;
}

.status.error {
  color: var(--danger);
}

.status.success {
  color: var(--success);
}

.hidden {
  display: none;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
  padding: 24px 28px;
}

.dashboard-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 256px minmax(0, 1fr);
  background: #f5f7fb;
}

.dashboard-sidebar {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border-right: 1px solid #dde6f3;
  min-height: 100vh;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 26px 22px;
  border-bottom: 1px solid #ecf1f8;
}

.sidebar-brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #2f68ff, #2752dd);
  color: #ffffff;
  font-size: 22px;
}

.brand-mark-icon {
  width: 22px;
  height: 22px;
  filter: brightness(0) invert(1);
}

.sidebar-brand-title {
  font-size: 17px;
  font-weight: 800;
  color: #111827;
}

.sidebar-brand-subtitle {
  font-size: 15px;
  color: #68758f;
}

.sidebar-nav {
  display: grid;
  gap: 6px;
  padding: 18px 12px;
}

.sidebar-spacer {
  flex: 1;
  min-height: 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  border: 0;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 15px;
  text-align: left;
  background: transparent;
  color: #40516f;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.nav-item.active,
.nav-item:hover {
  background: linear-gradient(135deg, #2f68ff, #2f5de8);
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(47, 104, 255, 0.18);
}

.nav-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

.sidebar-footer {
  padding: 18px 18px 22px;
  border-top: 1px solid #ecf1f8;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.sidebar-avatar {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #e8efff;
  color: #2f68ff;
  font-weight: 800;
}

.sidebar-user-text {
  display: grid;
  gap: 2px;
}

.sidebar-user-text strong {
  font-size: 15px;
  color: #18233b;
}

.sidebar-user-text span {
  font-size: 13px;
  color: #73819c;
  word-break: break-word;
}

.sidebar-logout {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  background: transparent;
  color: #556684;
  font-size: 15px;
  cursor: pointer;
  padding: 6px 2px;
}

.logout-icon {
  width: 16px;
  height: 16px;
}

.dashboard-main {
  min-width: 0;
}

.dashboard-mobile-bar {
  display: none;
}

.dashboard-content {
  padding: 28px 30px 40px;
}

.dashboard-hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 26px;
}

.dashboard-title {
  margin: 0;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: #12213f;
}

.dashboard-subtitle {
  margin: 10px 0 0;
  font-size: 17px;
  color: #66758f;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 0;
  border-radius: 14px;
  padding: 16px 24px;
  background: linear-gradient(135deg, #2f68ff, #2c5be4);
  color: #ffffff;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 16px 34px rgba(47, 104, 255, 0.22);
}

.button-icon {
  width: 18px;
  height: 18px;
  filter: brightness(0) invert(1);
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.summary-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 10px 25px rgba(20, 37, 75, 0.08);
}

.summary-card h3 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 500;
  color: #61708a;
}

.summary-value {
  font-size: 50px;
  font-weight: 800;
  line-height: 1;
  color: #0f1d39;
  letter-spacing: -0.05em;
}

.summary-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-size: 24px;
}

.summary-icon-image {
  width: 22px;
  height: 22px;
  color: #2f68ff;
}

.summary-icon.green .summary-icon-image {
  color: #129f6e;
}

.summary-icon.purple .summary-icon-image {
  color: #8a4df1;
}

.favorite-heading-icon {
  background: linear-gradient(135deg, #ffe1ee, #ffd3db);
}

.summary-icon.blue {
  background: #dce9ff;
}

.summary-icon.green {
  background: #d8f8e8;
}

.summary-icon.purple {
  background: #efdeff;
}

.quick-search-card {
  padding: 24px;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 10px 25px rgba(20, 37, 75, 0.08);
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.section-title-row h2 {
  margin: 0;
  font-size: 18px;
  color: #12213f;
}

.section-heading-with-icon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.heading-icon {
  width: 18px;
  height: 18px;
  color: #2f68ff;
}

.section-link {
  font-size: 15px;
  color: #2f68ff;
  font-weight: 600;
}

.search-shell {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #d9e4f2;
  border-radius: 14px;
  background: #ffffff;
  padding: 0 16px;
}

.search-shell input {
  width: 100%;
  border: 0;
  padding: 16px 0;
  font-size: 16px;
  outline: none;
  background: transparent;
  color: #1d2a46;
}

.search-icon {
  width: 18px;
  height: 18px;
  color: #7b89a3;
}

.articles-section {
  margin-top: 28px;
}

.article-feed {
  display: grid;
  gap: 16px;
}

.article-item {
  border: 1px solid #dce5f3;
  border-radius: 18px;
  padding: 20px 22px;
  background: #ffffff;
  box-shadow: 0 10px 25px rgba(20, 37, 75, 0.06);
}

.article-item h4 {
  margin: 0 0 8px;
  font-size: 28px;
  color: #0f1f3e;
  letter-spacing: -0.03em;
}

.article-item p {
  margin: 0 0 12px;
  color: #62718b;
  line-height: 1.6;
  font-size: 16px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 13px;
  color: #71819a;
}

.dashboard-article-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: #fff;
  font-size: 24px;
  background: linear-gradient(135deg, #2f68ff, #12389e);
}

.headline {
  font-size: 26px;
  font-weight: 800;
}

.brand small,
.muted {
  color: var(--muted);
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 22px;
}

.stat-card {
  padding: 22px;
}

.stat-card h3 {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 10px;
  font-weight: 600;
}

.stat-value {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 22px;
}

.section {
  padding: 26px;
}

.section h3 {
  margin: 0 0 18px;
  font-size: 20px;
}

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

.article-item {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  background: #fbfdff;
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  background: #e7efff;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.article-item h4 {
  margin: 0 0 8px;
  font-size: 20px;
}

.dashboard-article-title-button {
  display: inline-block;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.dashboard-article-title-button h4 {
  transition: color 0.2s ease;
}

.dashboard-article-title-button:hover h4,
.dashboard-article-title-button:focus-visible h4 {
  color: var(--primary);
}

.dashboard-article-title-button:focus-visible {
  outline: 3px solid rgba(29, 78, 216, 0.24);
  outline-offset: 4px;
  border-radius: 8px;
}

.article-item p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.55;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 13px;
  color: var(--muted);
}

.mini-list {
  display: grid;
  gap: 12px;
}

.mini-item {
  padding: 15px 16px;
  border-radius: 16px;
  background: #f7faff;
  border: 1px solid var(--line);
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 32px 12px;
  border: 1px dashed var(--line);
  border-radius: 16px;
}

.inline-button {
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  background: #edf3ff;
  color: var(--primary-dark);
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 980px) {
  .login-simple-card {
    padding: 24px 20px 22px;
  }

  .brand-logo {
    width: min(100%, 250px);
  }

  .dashboard-layout {
    grid-template-columns: 1fr;
  }

  .dashboard-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(82vw, 320px);
    transform: translateX(-100%);
    transition: transform .25s ease;
    z-index: 50;
  }

  .dashboard-sidebar.open {
    transform: translateX(0);
  }

  .dashboard-mobile-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    background: #ffffff;
    border-bottom: 1px solid #e6edf7;
    position: sticky;
    top: 0;
    z-index: 20;
  }

  .dashboard-mobile-title {
    font-size: 16px;
    font-weight: 700;
    color: #14213f;
  }

.mobile-menu-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 12px;
  background: #edf3ff;
  color: #2f68ff;
  cursor: pointer;
}

.mobile-menu-icon {
  width: 20px;
  height: 20px;
}

  .dashboard-content {
    padding: 20px 16px 28px;
  }

  .dashboard-hero {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-action {
    width: 100%;
  }

  .dashboard-stats {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 640px) {
  .summary-card {
    padding: 20px;
  }

  .summary-value {
    font-size: 42px;
  }

  .article-item {
    padding: 18px;
  }

  .article-item h4 {
    font-size: 22px;
  }

  .search-shell input {
    font-size: 15px;
  }
}

.nav-item {
  text-decoration: none;
}

.nav-item:disabled {
  cursor: not-allowed;
  opacity: 0.8;
}

.knowledge-hero {
  align-items: center;
}

.knowledge-heading {
  display: flex;
  align-items: center;
  gap: 16px;
}

.knowledge-heading-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #dce9ff;
}

.knowledge-heading-icon-green {
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
}

.knowledge-title {
  margin: 0;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.1;
  color: #12213f;
}

.knowledge-filter-card {
  padding: 18px;
  display: grid;
  gap: 18px;
}

.knowledge-filter-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.filter-group {
  display: grid;
  gap: 8px;
}

.filter-select-shell {
  position: relative;
}

.filter-select-icon {
  position: absolute;
  top: 50%;
  left: 15px;
  width: 18px;
  height: 18px;
  transform: translateY(-50%);
  opacity: 0.72;
  pointer-events: none;
}

.filter-label {
  font-size: 14px;
  font-weight: 700;
  color: #556684;
}

.filter-select,
.article-form-layout input,
.article-form-layout textarea,
.article-form-layout select {
  width: 100%;
  border: 1px solid #d9e4f2;
  border-radius: 14px;
  padding: 14px 15px;
  font: inherit;
  color: #1d2a46;
  background: #ffffff;
  outline: none;
}

.filter-select:focus,
.article-form-layout input:focus,
.article-form-layout textarea:focus,
.article-form-layout select:focus {
  border-color: #2f68ff;
  box-shadow: 0 0 0 4px rgba(47, 104, 255, 0.10);
}

.filter-select-with-icon {
  padding-left: 46px;
}

.filter-tags-block {
  display: grid;
  gap: 10px;
}

.filter-chip-heading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: #556684;
}

.filter-icon {
  width: 16px;
  height: 16px;
  color: #7c8ba6;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #d7e1ef;
  border-radius: 999px;
  background: #ffffff;
  color: #20304f;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 14px;
  cursor: pointer;
}

.chip.active {
  background: #2f68ff;
  border-color: #2f68ff;
  color: #ffffff;
}

.chip.static {
  cursor: default;
}

.chip.removable {
  padding-right: 10px;
}

.chip-remove-icon {
  width: 14px;
  height: 14px;
}

.muted-chip {
  color: #70809c;
  background: #f7f9fc;
}

.article-feed-large {
  gap: 18px;
}

.article-card {
  padding: 22px;
}

.article-card-body-button {
  width: 100%;
  display: block;
  border: 0;
  padding: 0;
  text-align: left;
  background: transparent;
  cursor: pointer;
}

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

.article-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-card h3 {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.1vw, 30px);
  letter-spacing: -0.03em;
  color: #0f1f3e;
}

.article-open-button,
.article-action-button,
.icon-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 14px;
  background: #f3f6fb;
  color: #223657;
  cursor: pointer;
}

.article-action-button.danger {
  color: #c53b3b;
  background: #fff4f4;
}

.article-action-button:hover,
.article-open-button:hover,
.icon-button:hover {
  background: #eaf0fb;
}

.favorite-toggle-button {
  color: #b26b7a;
}

.favorite-toggle-button .article-open-icon {
  transition: filter .18s ease, transform .18s ease;
}

.favorite-toggle-button.active {
  background: #ffe6ee;
  color: #d1496f;
}

.favorite-toggle-button.active .article-open-icon {
  filter: brightness(0) saturate(100%) invert(28%) sepia(91%) saturate(2568%) hue-rotate(331deg) brightness(94%) contrast(91%);
  transform: scale(1.05);
}

.favorite-toggle-button.active:hover {
  background: #ffdbe7;
}

.article-open-icon,
.modal-icon {
  width: 18px;
  height: 18px;
}

.favorite-button-icon {
  filter: none;
}

.article-chip-list {
  margin-bottom: 12px;
}

.knowledge-filter-row-client {
  grid-template-columns: 260px minmax(0, 1fr);
}

.client-knowledge-card {
  display: grid;
  gap: 14px;
}

.client-card-top {
  margin-bottom: 0;
}

.client-card-context {
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 700;
  color: #5d6f8d;
}

.client-knowledge-card h3 {
  margin-bottom: 8px;
  font-size: clamp(24px, 2vw, 32px);
}

.client-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 2px;
}

.client-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  color: #667792;
  font-size: 14px;
}

.client-card-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.client-card-meta-icon {
  width: 16px;
  height: 16px;
  opacity: 0.72;
}

.client-card-open-button {
  background: #f3f5f9;
}

.client-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 21, 44, 0.48);
  backdrop-filter: blur(2px);
  z-index: 70;
}

.modal-shell {
  position: fixed;
  inset: 0;
  padding: 28px;
  overflow-y: auto;
  z-index: 71;
}

.modal-card {
  width: min(1200px, 100%);
  margin: 0 auto;
  background: #ffffff;
  border-radius: 24px;
  box-shadow: 0 28px 80px rgba(14, 29, 59, 0.22);
  border: 1px solid #e2e9f4;
}

.article-modal-card {
  padding: 24px;
}

.article-view-card {
  width: min(920px, 100%);
  min-width: 0;
  padding: 24px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-header h2 {
  margin: 0;
  font-size: 34px;
  letter-spacing: -0.04em;
  color: #11203e;
}

.modal-subtitle {
  margin: 10px 0 0;
  color: #677690;
}

.article-form-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(320px, 0.9fr);
  gap: 20px;
}

.article-form-main,
.article-form-side {
  display: grid;
  gap: 20px;
  align-content: start;
}

.article-form-section {
  padding: 22px;
  box-shadow: none;
}

.article-form-section h3 {
  margin: 0 0 18px;
  font-size: 24px;
  color: #11203e;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.field {
  display: grid;
  gap: 8px;
  margin: 0;
}

.autocomplete-field {
  position: relative;
  align-self: start;
}

.field span {
  font-size: 14px;
  font-weight: 700;
  color: #30415f;
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

.rich-editor-shell {
  border: 1px solid #d9e4f2;
  border-radius: 14px;
  overflow: hidden;
  background: #ffffff;
}

.rich-editor-shell:focus-within {
  border-color: #2f68ff;
  box-shadow: 0 0 0 4px rgba(47, 104, 255, 0.10);
}

.rich-editor-toolbar,
.rich-editor-toolbar.ql-toolbar.ql-snow {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px;
  border: 0;
  border-bottom: 1px solid #e4ebf5;
  background: #f8fbff;
  font-family: inherit;
}

.rich-editor-toolbar .ql-formats {
  align-items: center;
  display: inline-flex;
  gap: 4px;
  margin-right: 0;
}

.rich-editor-toolbar.ql-snow button,
.rich-editor-toolbar.ql-snow .ql-picker-label {
  border: 1px solid #d7e0ed;
  border-radius: 10px;
  background: #ffffff;
}

.rich-editor-toolbar.ql-snow button {
  min-width: 38px;
  min-height: 36px;
  padding: 6px 8px;
}

.rich-editor-toolbar.ql-snow .ql-picker {
  height: 36px;
}

.rich-editor-toolbar.ql-snow .ql-picker-label {
  align-items: center;
  display: inline-flex;
  min-height: 36px;
}

.rich-editor-toolbar.ql-snow button:hover,
.rich-editor-toolbar.ql-snow button:focus,
.rich-editor-toolbar.ql-snow button.ql-active,
.rich-editor-toolbar.ql-snow .ql-picker-label:hover,
.rich-editor-toolbar.ql-snow .ql-picker-label.ql-active {
  border-color: #2f68ff;
  color: #2f68ff;
}

.editor-tool {
  min-width: 38px;
  min-height: 36px;
  border: 1px solid #d7e0ed;
  border-radius: 10px;
  padding: 0 10px;
  background: #ffffff;
  color: #1c2d4f;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.editor-tool:hover {
  border-color: #2f68ff;
  color: #2f68ff;
}

.editor-tool:disabled,
.ghost-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.rich-editor,
.rich-editor.ql-container.ql-snow {
  min-height: 320px;
  border: 0;
  color: #16233f;
  font-family: inherit;
  font-size: 16px;
  line-height: 1.75;
  outline: none;
  overflow-wrap: anywhere;
}

.rich-editor .ql-editor {
  min-height: 320px;
  padding: 18px;
  line-height: 1.75;
}

.rich-editor .ql-editor.ql-blank::before {
  color: #8b98ad;
  font-style: normal;
  left: 18px;
  right: 18px;
}

.rich-editor h1,
.rich-editor .ql-editor h1,
.article-render h1 {
  margin: 24px 0 12px;
  font-size: 30px;
  color: #10203d;
}

.rich-editor h2,
.rich-editor .ql-editor h2,
.article-render h2 {
  margin: 22px 0 10px;
  font-size: 26px;
  color: #10203d;
}

.rich-editor h3,
.rich-editor .ql-editor h3,
.article-render h3 {
  margin: 20px 0 8px;
  font-size: 21px;
  color: #10203d;
}

.rich-editor h4,
.rich-editor .ql-editor h4,
.article-render h4 {
  margin: 18px 0 8px;
  font-size: 18px;
  color: #10203d;
}

.rich-editor p,
.rich-editor .ql-editor p,
.article-render p {
  margin: 0 0 14px;
}

.rich-editor ul,
.rich-editor ol,
.rich-editor .ql-editor ul,
.rich-editor .ql-editor ol,
.article-render ul,
.article-render ol {
  margin: 0 0 16px 22px;
  padding: 0;
}

.rich-editor blockquote,
.rich-editor .ql-editor blockquote,
.article-render blockquote {
  margin: 18px 0;
  padding: 14px 18px;
  border-left: 4px solid #2f68ff;
  border-radius: 12px;
  background: #f4f7ff;
  color: #31405e;
}

.rich-editor a,
.rich-editor .ql-editor a,
.article-render a {
  color: #2f68ff;
  font-weight: 700;
}

.rich-editor strong,
.rich-editor b,
.rich-editor .ql-editor strong,
.rich-editor .ql-editor b,
.article-render strong,
.article-render b {
  font-weight: 800;
}

.rich-editor hr,
.rich-editor .ql-editor hr,
.article-render hr {
  border: 0;
  border-top: 1px solid #dfe7f2;
  margin: 22px 0;
}

.rich-editor pre,
.rich-editor .ql-editor pre,
.rich-editor .ql-editor .ql-code-block-container,
.article-render pre {
  margin: 18px 0;
  padding: 16px;
  border-radius: 14px;
  background: #14213d;
  color: #f8fbff;
  overflow-x: auto;
  line-height: 1.6;
}

.rich-editor code,
.rich-editor .ql-editor code,
.article-render code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 14px;
}

.article-editor-image-block {
  display: grid;
  gap: 8px;
  margin: 18px 0;
}

.article-editor-image {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid #dfe7f2;
}

.article-render img {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid #dfe7f2;
}

.article-editor-image-block figcaption {
  color: #63718c;
  font-size: 13px;
  line-height: 1.45;
}

.article-inline-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 22px 0;
}

.article-inline-gallery-item {
  display: grid;
  gap: 8px;
  margin: 0;
}

.article-inline-gallery-item img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid #dfe7f2;
}

.article-inline-gallery-item figcaption {
  color: #63718c;
  font-size: 13px;
  line-height: 1.45;
}

.field-span-2 {
  grid-column: 1 / -1;
}

.modal-section-heading {
  margin-bottom: 14px;
}

.secondary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid #d7e0ed;
  border-radius: 14px;
  padding: 12px 16px;
  background: #ffffff;
  color: #20304f;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.ghost-button {
  background: #f7f9fc;
}

.ghost-button.compact,
.secondary-button.compact {
  padding: 9px 12px;
  font-size: 13px;
  border-radius: 12px;
}

.ghost-button.danger {
  color: #c53b3b;
}

.tag-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.chip-list-editor {
  min-height: 42px;
}

.suggestion-list {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  display: grid;
  gap: 8px;
  max-height: 280px;
  overflow-y: auto;
  padding: 10px;
  border: 1px solid #d9e4f2;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 22px 44px rgba(15, 32, 61, 0.14);
  z-index: 15;
}

.suggestion-list.hidden {
  display: none;
}

.suggestion-item {
  display: grid;
  gap: 4px;
  width: 100%;
  border: 0;
  border-radius: 14px;
  padding: 14px 16px;
  text-align: left;
  background: #f8fbff;
  cursor: pointer;
  transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}

.suggestion-item:hover {
  background: #eef4ff;
  transform: translateY(-1px);
  box-shadow: inset 0 0 0 1px rgba(47, 104, 255, 0.16);
}

.suggestion-item strong {
  color: #152542;
  font-size: 15px;
  line-height: 1.25;
}

.suggestion-item span {
  color: #73819c;
  font-size: 13px;
  font-weight: 600;
}

#client-search-input,
#article-client-search {
  padding-right: 44px;
}

.autocomplete-field::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 48px;
  width: 10px;
  height: 10px;
  border-right: 2px solid #90a0bc;
  border-bottom: 2px solid #90a0bc;
  transform: rotate(45deg);
  pointer-events: none;
}

.helper-text {
  margin: -6px 0 18px;
  color: #677690;
  line-height: 1.6;
}

.upload-dropzone {
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 20px;
  border: 1.5px dashed #c9d6e8;
  border-radius: 18px;
  background: #f7faff;
  color: #4c5f82;
  text-align: center;
  cursor: pointer;
}

.upload-icon {
  width: 24px;
  height: 24px;
  color: #2f68ff;
}

.upload-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.upload-empty {
  border: 1px dashed #d7e0ed;
  border-radius: 16px;
  padding: 20px 16px;
  color: #74839f;
  text-align: center;
}

.upload-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid #e1e8f2;
  border-radius: 16px;
  padding: 12px;
  background: #fbfcfe;
}

.upload-thumb {
  width: 72px;
  height: 72px;
  border-radius: 14px;
  object-fit: cover;
}

.upload-copy {
  display: grid;
  gap: 4px;
}

.upload-copy strong {
  color: #142341;
}

.upload-copy span {
  font-size: 13px;
  color: #73819c;
}

.upload-actions {
  display: grid;
  gap: 8px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: #30415f;
  font-weight: 600;
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.modal-submit {
  width: 100%;
  justify-content: center;
}

.article-view-body {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.article-view-summary {
  margin: 0;
  color: #53637f;
  line-height: 1.7;
}

.article-view-gallery-section {
  display: grid;
  gap: 14px;
}

.article-view-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.article-view-image-card {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid #dfe7f2;
  border-radius: 18px;
  background: #f9fbff;
}

.article-view-image-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 14px;
  cursor: zoom-in;
}

.article-view-image-card span {
  font-size: 13px;
  color: #5f6f8d;
  line-height: 1.45;
  word-break: break-word;
}

.article-render {
  color: #1d2a46;
  line-height: 1.75;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.article-render * {
  max-width: 100%;
}

.article-render p,
.article-render li,
.article-render blockquote,
.article-render figcaption,
.article-render a {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.article-render pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.article-render img {
  max-width: 100%;
  height: auto;
  border-radius: 18px;
  cursor: zoom-in;
}

.article-render h1,
.article-render h2,
.article-render h3 {
  color: #10203d;
}

.image-preview-open {
  overflow: hidden;
}

.image-preview-root {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 28px;
}

.image-preview-root.hidden {
  display: none;
}

.image-preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 17, 34, 0.78);
  backdrop-filter: blur(3px);
}

.image-preview-dialog {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  width: min(1120px, 100%);
  max-height: calc(100vh - 56px);
  padding: 16px;
  border: 1px solid rgba(229, 236, 247, 0.24);
  border-radius: 20px;
  background: #ffffff;
  box-shadow: 0 28px 90px rgba(3, 11, 24, 0.38);
}

.image-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: #10203d;
  font-weight: 800;
}

.image-preview-header span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-preview-close {
  flex: 0 0 auto;
}

.image-preview-img {
  width: 100%;
  max-height: calc(100vh - 150px);
  object-fit: contain;
  border-radius: 14px;
  background: #f3f6fb;
}

@media (max-width: 1100px) {
  .knowledge-filter-row,
  .article-form-layout {
    grid-template-columns: 1fr;
  }

  .article-form-side {
    order: -1;
  }
}

@media (max-width: 980px) {
  .knowledge-hero {
    align-items: stretch;
  }

  .knowledge-heading {
    align-items: flex-start;
  }

  .modal-shell {
    padding: 16px;
  }

  .modal-header h2 {
    font-size: 28px;
  }
}

@media (max-width: 640px) {
  .knowledge-heading {
    gap: 12px;
  }

  .knowledge-heading-icon {
    width: 42px;
    height: 42px;
  }

  .knowledge-title {
    font-size: 26px;
  }

  .knowledge-filter-card,
  .article-form-section,
  .article-modal-card,
  .article-view-card {
    padding: 18px;
  }

  .form-grid,
  .field-row,
  .tag-input-row,
  .upload-item {
    grid-template-columns: 1fr;
  }

  .upload-thumb {
    width: 100%;
    height: 180px;
  }

  .modal-header {
    flex-direction: column;
  }

  .modal-header-actions,
  .article-card-actions {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .image-preview-root {
    padding: 12px;
  }

  .image-preview-dialog {
    max-height: calc(100vh - 24px);
    padding: 12px;
  }

  .image-preview-img {
    max-height: calc(100vh - 118px);
  }

  .client-card-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .client-card-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .suggestion-list {
    max-height: 220px;
  }
}