/* Client portal concept — interactive local demo. Self-contained, no external resources. */

:root {
  --bg: #F4F6F8;
  --surface: #FFFFFF;
  --text: #182230;
  --text-secondary: #526172;
  --sidebar-bg: #172B3A;
  --sidebar-text: #C9D3DC;
  --sidebar-text-active: #FFFFFF;
  --accent: #1D4E89;
  --accent-tint: #E7EEF6;
  --border: #DCE3E9;
  --card-radius: 14px;
  --control-radius: 8px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --status-new-bg: #EEF1F4;
  --status-new-text: #40505F;
  --status-progress-bg: #E7EEF6;
  --status-progress-text: #1D4E89;
  --status-awaiting-bg: #FBF0DD;
  --status-awaiting-text: #8A5A0B;
  --status-changes-bg: #FBEAE6;
  --status-changes-text: #A23F27;
  --status-completed-bg: #E4F1EA;
  --status-completed-text: #276440;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
}

h1, h2, h3 {
  margin: 0 0 var(--space-1);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}

h1 {
  font-size: 26px;
}

h2 {
  font-size: 18px;
}

h3 {
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

p {
  margin: 0 0 var(--space-2);
  color: var(--text-secondary);
}

a {
  color: var(--accent);
}

button, select, input {
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
}

/* Accessibility utilities */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -60px;
  background: var(--text);
  color: #FFFFFF;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--control-radius);
  z-index: 100;
  transition: top 0.15s ease;
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-2);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Buttons */
button {
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 44px;
  padding: 0 var(--space-2);
  border-radius: var(--control-radius);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: #163C69;
}

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

.btn-secondary:hover {
  border-color: var(--accent);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-secondary);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* App shell layout */
.app-shell {
  min-height: 100vh;
}

.noscript-panel {
  max-width: 640px;
  margin: var(--space-4) auto;
  padding: 0 var(--space-3);
}

/* Sidebar (desktop) */
.sidebar {
  display: none;
}

.sidebar-brand {
  padding: var(--space-3) var(--space-2) var(--space-2);
}

.sidebar-brand-text {
  color: var(--sidebar-text-active);
  font-weight: 700;
  font-size: 16px;
}

.sidebar-nav ul {
  list-style: none;
  margin: 0;
  padding: 0 var(--space-1);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  width: 100%;
  min-height: 44px;
  padding: 0 var(--space-2);
  margin-bottom: 4px;
  background: transparent;
  border: none;
  border-radius: var(--control-radius);
  color: var(--sidebar-text);
  font-weight: 600;
  text-align: left;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--sidebar-text-active);
}

.nav-item.is-active {
  background: var(--accent);
  color: #FFFFFF;
}

.sidebar-footer {
  margin-top: auto;
  padding: var(--space-2);
}

.sidebar-back-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 44px;
  padding: 0 var(--space-1);
  color: var(--sidebar-text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.sidebar-back-link:hover {
  color: var(--sidebar-text-active);
}

.icon-back {
  transform: rotate(180deg);
}

/* Mobile header + nav */
.mobile-header {
  background: var(--sidebar-bg);
  padding: var(--space-2) var(--space-2) 0;
}

.mobile-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-2);
}

.mobile-header-text {
  color: var(--sidebar-text-active);
  font-weight: 700;
  font-size: 16px;
}

.mobile-header-back {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--sidebar-text);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  min-height: 44px;
}

.mobile-header-back:hover {
  color: var(--sidebar-text-active);
}

.mobile-nav {
  display: flex;
}

.mobile-nav-item {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-height: 44px;
  padding: var(--space-1) 4px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--sidebar-text);
  font-size: 12px;
  font-weight: 600;
}

.mobile-nav-item.is-active {
  color: var(--sidebar-text-active);
  border-bottom-color: var(--accent);
}

/* Main content */
.portal-main {
  padding-bottom: var(--space-4);
}

.main-topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: var(--space-1) var(--space-3);
}

.demo-badge {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
}

.view-inner {
  padding: var(--space-3);
  max-width: 1100px;
}

.view-subtitle {
  max-width: 60ch;
}

/* Overview top: on mobile, DOM order is review-block then summary-cards
   (the review call-out reads first); on desktop the visual order is
   reversed to restore the summary cards first, review block second. */
.overview-top {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

/* Summary cards — single bordered block of compact rows on mobile,
   a grid of individual cards on desktop. */
.summary-cards {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
}

.summary-card {
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1);
  padding: var(--space-2);
  border-top: 1px solid var(--border);
}

.summary-cards .summary-card:first-child {
  border-top: none;
}

.summary-card-value {
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

.summary-card-label {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Review block */
.review-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--card-radius);
  padding: var(--space-3);
}

.review-block h2 {
  margin-bottom: 4px;
}

.review-block p {
  margin-bottom: var(--space-2);
}

.review-block .review-request-id {
  color: var(--text-secondary);
  font-size: 14px;
}

.review-block-resolved p {
  margin-bottom: 0;
  font-weight: 600;
  color: var(--text);
}

/* Overview columns */
.overview-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.overview-column {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: var(--space-2);
}

.compact-request-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.compact-request-row {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 44px;
  padding: var(--space-1) 4px;
  background: transparent;
  border: none;
  border-top: 1px solid var(--border);
  text-align: left;
}

.compact-request-list li:first-child .compact-request-row {
  border-top: none;
}

.compact-request-row-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1);
}

.compact-request-id {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  flex: 0 0 auto;
}

.compact-request-title {
  font-size: 14px;
  min-width: 0;
}

/* Status badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.status-badge .icon {
  width: 12px;
  height: 12px;
  stroke-width: 2.25;
}

.status-New { background: var(--status-new-bg); color: var(--status-new-text); }
.status-In-progress { background: var(--status-progress-bg); color: var(--status-progress-text); }
.status-Awaiting-approval { background: var(--status-awaiting-bg); color: var(--status-awaiting-text); }
.status-Changes-requested { background: var(--status-changes-bg); color: var(--status-changes-text); }
.status-Completed { background: var(--status-completed-bg); color: var(--status-completed-text); }

/* Activity list (shared: overview compact, detail, full) */
.activity-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.activity-item {
  padding: var(--space-1) 4px;
  border-top: 1px solid var(--border);
}

.activity-list li:first-child .activity-item,
.activity-item:first-child {
  border-top: none;
}

.activity-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
}

.activity-icon {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-tint);
  color: var(--accent);
}

.activity-icon .icon {
  width: 14px;
  height: 14px;
}

.activity-icon.is-approval {
  background: var(--status-completed-bg);
  color: var(--status-completed-text);
}

.activity-icon.is-changes {
  background: var(--status-changes-bg);
  color: var(--status-changes-text);
}

.activity-body {
  flex: 1 1 auto;
}

.activity-request {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
}

.activity-message {
  font-size: 14px;
  color: var(--text);
}

.activity-meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: 2px;
}

.activity-time {
  font-size: 12px;
  color: var(--text-secondary);
}

.activity-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--border);
  color: var(--text-secondary);
}

.activity-tag.is-approval {
  background: var(--status-completed-bg);
  color: var(--status-completed-text);
}

.activity-tag.is-changes {
  background: var(--status-changes-bg);
  color: var(--status-changes-text);
}

.activity-empty {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Requests view */
.requests-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.requests-list-panel,
.requests-detail-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: var(--space-2);
}

.requests-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  align-items: center;
  margin-bottom: var(--space-2);
}

.field-search {
  position: relative;
  flex: 1 1 200px;
  display: flex;
  align-items: center;
}

.field-search .icon-search {
  position: absolute;
  left: 10px;
  color: var(--text-secondary);
  pointer-events: none;
}

.field-search input {
  width: 100%;
  min-height: 44px;
  padding: 0 var(--space-1) 0 36px;
  border: 1px solid var(--border);
  border-radius: var(--control-radius);
  background: var(--surface);
}

.field-inline {
  display: flex;
  align-items: center;
  gap: 6px;
}

.field-inline label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 600;
}

.field-inline select {
  min-height: 44px;
  padding: 0 var(--space-1);
  border: 1px solid var(--border);
  border-radius: var(--control-radius);
  background: var(--surface);
}

.filter-note {
  background: var(--status-awaiting-bg);
  color: var(--status-awaiting-text);
  border-radius: var(--control-radius);
  padding: var(--space-1) var(--space-2);
  font-size: 13px;
  margin: 0 0 var(--space-2);
}

.request-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.request-row-btn {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 44px;
  padding: var(--space-1);
  background: transparent;
  border: none;
  border-top: 1px solid var(--border);
  text-align: left;
  border-radius: 0;
}

.request-list li:first-child .request-row-btn {
  border-top: none;
}

.request-row-btn:hover {
  background: var(--bg);
}

.request-row-btn.is-selected {
  background: var(--accent-tint);
  border-radius: var(--control-radius);
}

.request-row-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1);
}

.request-id {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.request-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.request-row-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1);
}

.request-category {
  font-size: 13px;
  color: var(--text-secondary);
}

.avatar {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
}

.avatar-Alex { background: #1D4E89; }
.avatar-Sam { background: #3C6E52; }
.avatar-Jordan { background: #8A5A2B; }

.owner-inline {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--text-secondary);
}

.empty-state {
  text-align: center;
  padding: var(--space-4) var(--space-2);
}

/* Detail panel */
.back-to-list-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 4px;
  margin-bottom: var(--space-1);
  background: transparent;
  border: none;
  color: var(--accent);
  font-weight: 600;
}

.detail-placeholder {
  color: var(--text-secondary);
  padding: var(--space-3) 0;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-2);
}

.detail-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-secondary);
}

.detail-note {
  font-size: 13px;
  background: var(--bg);
  border-radius: var(--control-radius);
  padding: var(--space-1) var(--space-2);
}

.detail-summary {
  color: var(--text);
}

.detail-activity {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}

/* Proposal block */
.proposal-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: var(--space-2);
  margin: var(--space-2) 0;
}

.signage-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-1);
  margin: var(--space-2) 0;
}

.signage-card {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #F3ECDD;
  color: #1E3D2F;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-1);
  overflow: hidden;
  border: 1px solid #D8CBA8;
  min-width: 0;
}

@media (min-width: 480px) {
  .signage-preview {
    gap: var(--space-2);
  }
  .signage-card {
    padding: var(--space-2);
  }
}

.signage-orientation-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid #1E3D2F;
}

.signage-label {
  font-size: clamp(10px, 3.6vw, 26px);
  font-weight: 800;
  letter-spacing: 0.01em;
  text-align: center;
  overflow-wrap: break-word;
  word-break: break-word;
  max-width: 100%;
  white-space: nowrap;
}

@media (min-width: 480px) {
  .signage-label {
    letter-spacing: 0.04em;
  }
}

.signage-arrow {
  width: 34px;
  height: 34px;
  stroke-width: 2.5;
  color: #1E3D2F;
}

.signage-arrow-reverse {
  transform: rotate(180deg);
}

.signage-caption {
  font-size: 13px;
  margin: 0 0 var(--space-2);
}

.proposal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.proposal-confirm {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--control-radius);
  padding: var(--space-2);
  margin-top: var(--space-1);
}

.proposal-confirm p {
  margin-bottom: var(--space-1);
  color: var(--text);
  font-weight: 600;
}

.proposal-confirm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

.reason-fieldset {
  border: none;
  margin: 0;
  padding: 0;
}

.reason-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
  padding: var(--space-1) 4px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
}

.reason-option input {
  margin-top: 3px;
}

.proposal-result {
  margin-top: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: var(--status-completed-bg);
  color: var(--status-completed-text);
  border-radius: var(--control-radius);
  font-weight: 600;
}

/* Reset */
.activity-toolbar {
  margin-bottom: var(--space-2);
}

.reset-confirm {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: var(--space-2);
  margin-bottom: var(--space-2);
}

.reset-confirm p {
  margin-bottom: var(--space-1);
  color: var(--text);
  font-weight: 600;
}

/* Business CTA */
.portal-cta {
  margin: var(--space-4) var(--space-3) 0;
  padding: var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
}

.portal-cta h2 {
  font-size: 18px;
}

/* Mobile requests panel toggling (below desktop breakpoint only) */
@media (max-width: 1023px) {
  .requests-layout[data-mobile-panel="list"] .requests-detail-panel {
    display: none;
  }
  .requests-layout[data-mobile-panel="detail"] .requests-list-panel {
    display: none;
  }
}

@media (min-width: 768px) {
  .overview-columns {
    grid-template-columns: 1fr 1fr;
  }
}

/* Desktop layout */
@media (min-width: 1024px) {
  .mobile-header {
    display: none;
  }

  .app-shell {
    display: grid;
    grid-template-columns: 208px 1fr;
    min-height: 100vh;
  }

  .sidebar {
    display: flex;
    flex-direction: column;
    background: var(--sidebar-bg);
    min-height: 100vh;
  }

  .back-to-list-btn {
    display: none;
  }

  .requests-layout {
    grid-template-columns: 360px 1fr;
    align-items: start;
  }

  .requests-layout .requests-list-panel,
  .requests-layout .requests-detail-panel {
    display: block;
  }

  .requests-detail-panel {
    position: sticky;
    top: var(--space-2);
  }

  /* Restore the desktop composition: summary cards first, review block
     second — the mobile DOM order (review block, then cards) stays
     unchanged; only the visual order is reversed here. */
  .overview-top {
    flex-direction: column-reverse;
  }

  .summary-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
    background: transparent;
    border: none;
    border-radius: 0;
  }

  .summary-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: var(--space-2);
  }

  .summary-card-value {
    font-size: 28px;
  }
}

@media (min-width: 1280px) {
  .view-inner {
    padding: var(--space-4);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}