:root {
  --bg: #f3f5f8;
  --surface: #ffffff;
  --surface-alt: #f8f9fb;
  --border: #cfd6df;
  --border-strong: #aeb8c5;
  --text: #17202b;
  --text-muted: #5a6675;
  --primary: #204c78;
  --primary-dark: #173957;
  --danger: #983737;
  --danger-dark: #7f2f2f;
  --success-bg: #edf6ef;
  --success-border: #8bb190;
  --error-bg: #faeded;
  --error-border: #c48e8e;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: var(--bg);
}

body {
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  cursor: pointer;
}

.public-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.public-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.brand-link,
.sidebar__brand-link {
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

.brand-link:hover,
.sidebar__brand-link:hover {
  text-decoration: none;
}

.public-header__nav,
.button-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.public-main {
  width: min(1080px, calc(100% - 32px));
  margin: 32px auto;
}

.landing-panel,
.auth-panel,
.panel,
.form-card,
.detail-card,
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
}

.landing-panel {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  padding: 36px;
}

.landing-panel__title {
  margin: 0 0 12px;
  font-size: 2.1rem;
}

.landing-panel__lead,
.section-text,
.sidebar__subtitle,
.table-muted,
.form-help,
.table-summary,
.detail-notes,
.app-header__account-company,
.person-cell__meta {
  color: var(--text-muted);
}

.landing-panel__actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.landing-list {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  padding: 20px;
}

.landing-list__title {
  font-weight: 600;
  margin-bottom: 10px;
}

.landing-list__items {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.auth-panel {
  max-width: 640px;
  margin: 0 auto;
  padding: 28px;
}

.auth-panel__intro {
  margin-bottom: 24px;
}

.section-title,
.page-title,
.panel__title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
}

.app-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}

.sidebar__nav {
  display: grid;
  gap: 8px;
  margin-top: 28px;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid transparent;
  color: var(--text);
  background: transparent;
}

.sidebar__link:hover {
  text-decoration: none;
  background: var(--surface-alt);
  border-color: var(--border);
}

.sidebar__link.is-active {
  background: #eef3f8;
  border-color: #b9c6d4;
  font-weight: 600;
}

.nav-link__icon,
.header-action__icon,
.section-nav__icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.nav-link__icon svg,
.header-action__icon svg,
.section-nav__icon svg {
  width: 18px;
  height: 18px;
  display: block;
}

.app-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.app-header {
  min-height: 72px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.app-header__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-header__account {
  text-align: right;
}

.app-header__account-name {
  font-weight: 600;
}

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

.header-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  text-decoration: none;
}

.header-action:hover {
  text-decoration: none;
  border-color: var(--border-strong);
  background: #f1f4f8;
}

.header-action.is-active {
  border-color: #b9c6d4;
  background: #eef3f8;
}

.header-action--button {
  appearance: none;
}

.section-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 28px;
  border-bottom: 1px solid var(--border);
  background: #fafbfd;
  flex-wrap: wrap;
}

.section-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid transparent;
  color: var(--text);
  background: transparent;
  text-decoration: none;
}

.section-nav__link:hover {
  text-decoration: none;
  background: var(--surface);
  border-color: var(--border);
}

.section-nav__link.is-active {
  background: var(--surface);
  border-color: var(--border-strong);
  font-weight: 600;
}

.app-main {
  padding: 28px;
  display: grid;
  gap: 20px;
}

.panel,
.form-card--app {
  padding: 22px;
}

.panel__header {
  margin-bottom: 18px;
}

.panel__header--spread {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.panel__link {
  color: var(--primary);
  font-weight: 500;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stat-card {
  padding: 18px;
}

.stat-card__label {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.stat-card__value {
  margin-top: 8px;
  font-size: 1.8rem;
  font-weight: 700;
}

.button,
.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}

.button:hover,
.nav-link:hover {
  text-decoration: none;
}

.button-primary,
.nav-link-primary {
  background: var(--primary);
  border-color: var(--primary-dark);
  color: #fff;
}

.button-primary:hover,
.nav-link-primary:hover {
  background: var(--primary-dark);
}

.button-secondary {
  background: var(--surface-alt);
}

.button-danger {
  background: var(--danger);
  border-color: var(--danger-dark);
  color: #fff;
}

.button-danger:hover {
  background: var(--danger-dark);
}

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

.flash-message,
.form-alert {
  padding: 12px 14px;
  border: 1px solid;
}

.flash-message-success {
  background: var(--success-bg);
  border-color: var(--success-border);
}

.flash-message-error,
.form-alert {
  background: var(--error-bg);
  border-color: var(--error-border);
}

.form-card {
  padding: 22px;
}

.form-grid,
.filters-grid,
.detail-grid {
  display: grid;
  gap: 16px;
}

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

.filters-grid {
  grid-template-columns: 2fr repeat(3, minmax(0, 1fr));
}

.filters-grid--admin {
  grid-template-columns: 2fr 1fr;
}

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

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row--span-2,
.detail-card--full {
  grid-column: 1 / -1;
}

.form-label,
.form-section__title {
  font-weight: 600;
  font-size: 0.95rem;
}

.form-input,
.form-textarea {
  width: 100%;
  min-height: 42px;
  padding: 9px 10px;
  border: 1px solid var(--border-strong);
  background: #fff;
  color: var(--text);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-input:focus,
.form-textarea:focus {
  outline: 2px solid #ccd7e5;
  outline-offset: 0;
  border-color: var(--primary);
}

.form-input.is-invalid {
  border-color: var(--danger);
}

.form-error {
  color: var(--danger);
  font-size: 0.88rem;
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.form-actions--app {
  justify-content: flex-start;
}

.form-section {
  margin: 0;
  padding: 0;
  border: 0;
}

.form-section + .form-section {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.form-photo-preview {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

.data-table th {
  background: var(--surface-alt);
  font-size: 0.92rem;
  font-weight: 600;
}

.data-table tbody tr:hover {
  background: #fafbfd;
}

.table-actions {
  white-space: nowrap;
}

.table-link {
  margin-right: 10px;
  font-weight: 500;
}

.table-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  font-size: 0.85rem;
}

.table-badge--success {
  background: var(--success-bg);
  border-color: var(--success-border);
}

.table-badge--muted {
  color: var(--text-muted);
}

.table-badge--info {
  background: #edf3fa;
  border-color: #8ea8c2;
}

.person-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}

.person-cell__name {
  font-weight: 600;
}

.profile-photo {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.profile-photo--small {
  width: 40px;
  height: 40px;
  font-size: 0.8rem;
}

.profile-photo--medium {
  width: 72px;
  height: 72px;
}

.profile-photo--large {
  width: 88px;
  height: 88px;
  font-size: 1.3rem;
}

.profile-photo--placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-alt);
  color: var(--text);
  font-weight: 700;
}

.pagination {
  display: flex;
  gap: 8px;
  margin-top: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.pagination__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}

.pagination__link.is-current {
  background: var(--primary);
  border-color: var(--primary-dark);
  color: #fff;
}

.pagination__link.is-disabled {
  pointer-events: none;
  color: var(--text-muted);
  background: var(--surface-alt);
}

.empty-state {
  border: 1px solid var(--border);
  background: var(--surface-alt);
  padding: 24px;
  display: grid;
  gap: 12px;
}

.detail-header {
  display: flex;
  align-items: center;
  gap: 18px;
}

.detail-header__meta {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.detail-card {
  padding: 20px;
}

.detail-card__title {
  margin: 0 0 16px;
  font-size: 1rem;
}

.detail-list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.detail-list div {
  display: grid;
  gap: 4px;
}

.detail-list dt {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.detail-list dd {
  margin: 0;
}

.detail-notes {
  white-space: pre-wrap;
  line-height: 1.5;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
}

.subtable {
  margin-top: 18px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  display: grid;
  gap: 10px;
}

.subtable__title {
  font-weight: 600;
}

.subtable__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.panel--narrow {
  max-width: 720px;
  margin: 0 auto;
}

@media (max-width: 1100px) {
  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 920px) {
  .app-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .app-header__right {
    width: 100%;
    justify-content: space-between;
  }

  .detail-grid,
  .form-grid,
  .landing-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .public-header,
  .app-header,
  .app-main,
  .section-nav {
    padding-left: 16px;
    padding-right: 16px;
  }

  .public-main {
    width: min(100%, calc(100% - 20px));
    margin: 20px auto;
  }

  .auth-panel,
  .panel,
  .form-card--app,
  .landing-panel {
    padding: 16px;
  }

  .public-header,
  .panel__header--spread,
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

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

  .button-row,
  .form-actions,
  .landing-panel__actions,
  .public-header__nav,
  .header-actions {
    flex-wrap: wrap;
  }

  .app-header__right,
  .app-header__account {
    width: 100%;
  }

  .app-header__account {
    text-align: left;
  }
}