/* Five LAVA design directions, applied to the existing application surfaces. */
:root[data-design] {
  color-scheme: light;
  --bg: #f5f6f7;
  --panel: #ffffff;
  --panel-soft: #f0f4f6;
  --text: #102634;
  --muted: #5e707d;
  --border: #e0e7eb;
  --accent: #b84914;
  --accent-soft: #fff0e6;
  --sidebar: #ffffff;
  --green: #246b52;
  --green-soft: #e8f5ed;
  --blue: #355f98;
  --blue-soft: #edf3fc;
  --amber: #805b13;
  --amber-soft: #fff5df;
  --red: #ae3838;
  --red-soft: #fceeed;
  --shadow: 0 10px 36px #0717240a;
  --radius: 18px;
  --lava-navy: #071724;
  --lava-orange: #ff762b;
  --action-bg: var(--lava-orange);
  --action-ink: #071724;
}

:root[data-design] .button.primary {
  background: var(--action-bg);
  border-color: var(--action-bg);
  color: var(--action-ink);
}
:root[data-design] :is(.panel, .entity-card, .kpi) { box-shadow: var(--shadow); }
:root[data-design] :is(.nav-item, .button, .icon-button, .tab) {
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}
:root[data-design] :is(.heading-actions, .dialog-actions, .filterbar) { min-width: 0; }
:root[data-design] .heading-actions { flex-wrap: wrap; }
:root[data-design] :is(.brand, .messenger-brand) { min-width: 0; }
:root[data-design] .brand-mark { background: var(--lava-orange); color: var(--lava-navy); }
:root[data-design] .brand-wordmark { font-size: 25px; font-weight: 850; letter-spacing: -1.4px; line-height: 1; }
:root[data-design] .brand > .brand-wordmark { display: block; }
:root[data-design] .brand-wordmark .brand-accent { color: var(--lava-orange); }
:root[data-design] .brand-wordmark .brand-sub { color: inherit; font-size: 8px; letter-spacing: 2.5px; }
:root[data-design] .messenger-brand .brand-wordmark { font-size: 23px; }
:root[data-design] .messenger-brand .brand-accent { display: inline; margin: 0; font-size: inherit; }
:root[data-design] .table-wrap { max-width: 100%; }
:root[data-design] .table-wrap:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
:root[data-design] .facts { min-width: 0; }
:root[data-design] .fact { min-width: 0; overflow-wrap: anywhere; }

/* 01: navy masthead, bright paper and orange pill actions. */
:root[data-design="signature"] { --sidebar: #071724; }
:root[data-design="signature"] :is(.sidebar, .topbar, .messenger-topbar) {
  --text: #f5f8fa;
  --muted: #afc1cb;
  --border: #29414f;
  --panel: #112c3b;
  --panel-soft: #183847;
  --accent: #ffad79;
  --accent-soft: #3a3029;
  background: var(--lava-navy);
  color: var(--text);
}
:root[data-design="signature"] .sidebar .brand-sub { color: #afc1cb; }
:root[data-design="signature"] .button { border-radius: 24px; }
:root[data-design="signature"] .kpi:first-child {
  --text: #f5f8fa;
  --muted: #b6c8d1;
  --panel-soft: #22404f;
  background: #102c3a;
  color: var(--text);
  border-color: #102c3a;
}
:root[data-design="signature"] .nav-item.active { box-shadow: inset 3px 0 var(--lava-orange); }

/* 02: familiar light workspace with shared stat panels and quiet dividers. */
:root[data-design="workspace"] {
  --bg: #fbfcfc;
  --panel-soft: #f5f7f9;
  --radius: 12px;
  --shadow: none;
}
:root[data-design="workspace"] .kpi-grid {
  gap: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
:root[data-design="workspace"] .kpi { border: 0; border-radius: 0; }
:root[data-design="workspace"] .kpi + .kpi { border-left: 1px solid var(--border); }
:root[data-design="workspace"] .nav-item.active { color: var(--text); box-shadow: inset 3px 0 var(--lava-orange); }
:root[data-design="workspace"] .topbar { background: transparent; }

/* 03: the site's deep navy, with restrained warm accents. */
:root[data-design="night"] {
  color-scheme: dark;
  --bg: #071724;
  --panel: #102c3a;
  --panel-soft: #193644;
  --text: #f3f5f4;
  --muted: #a7bdc7;
  --border: #2a4755;
  --accent: #ffad79;
  --accent-soft: #493024;
  --sidebar: #091d2a;
  --green: #87d9b1;
  --green-soft: #193d34;
  --blue: #b1caff;
  --blue-soft: #243b56;
  --amber: #f1c778;
  --amber-soft: #43391f;
  --red: #ffa4a0;
  --red-soft: #4a2c33;
  --shadow: 0 5px 25px #00000012;
}
:root[data-design="night"] :is(.topbar, .messenger-topbar) { background: #091d2a; }
:root[data-design="night"] .button { border-radius: 24px; }
:root[data-design="night"] .kpi:first-child { border-top: 2px solid var(--lava-orange); }
:root[data-design="night"] .message.outgoing .message-body { background: #28434d; border-color: #49616c; }
:root[data-design="night"] .nav-item.active { background: #1e3440; box-shadow: inset 3px 0 var(--lava-orange); }

/* 04: field work and existing object photography take precedence. */
:root[data-design="objects"] {
  --bg: #f0f2f1;
  --panel-soft: #e8eeeb;
  --text: #132c35;
  --muted: #5e706b;
  --border: #dce5e1;
  --radius: 15px;
  --shadow: 0 3px 14px #183c4608;
  --action-bg: #102b38;
  --action-ink: #ffffff;
}
:root[data-design="objects"] :is(.topbar, .messenger-topbar) { background: var(--bg); }
:root[data-design="objects"] .button { border-radius: 13px; }
:root[data-design="objects"] h1 { font-size: 32px; letter-spacing: -1.2px; }
:root[data-design="objects"] .kpi { background: transparent; border: 0; border-left: 2px solid var(--lava-orange); border-radius: 0; box-shadow: none; }
:root[data-design="objects"] .object-avatar { border-radius: 12px; background: #dae8e2; color: #244d45; }
:root[data-design="objects"] .attachment-preview { max-height: 340px; border-radius: 14px; }
:root[data-design="objects"] .material-block { margin-bottom: 28px; }
:root[data-design="objects"] .entity-card { border-color: transparent; padding: 24px; }
:root[data-design="objects"] .conversation-card { padding-block: 24px; }
:root[data-design="objects"] .conversation-card .object-avatar { width: 46px; height: 46px; }

/* 05: open lists, crisp rules and compact information density. */
:root[data-design="compact"] {
  --bg: #ffffff;
  --panel-soft: #f3f6f7;
  --text: #092636;
  --muted: #5c707c;
  --radius: 8px;
  --shadow: none;
}
:root[data-design="compact"] .panel { border-radius: 0; border-inline: 0; }
:root[data-design="compact"] .entity-card { border: 0; border-bottom: 1px solid var(--border); border-radius: 0; padding: 17px 0; }
:root[data-design="compact"] .kpi-grid { gap: 0; border-block: 1px solid var(--border); }
:root[data-design="compact"] .kpi { border: 0; border-radius: 0; padding: 16px 18px; }
:root[data-design="compact"] .kpi + .kpi { border-left: 1px solid var(--border); }
:root[data-design="compact"] :is(.panel-header, .panel-body) { padding: 16px; }
:root[data-design="compact"] .conversation-card { padding-block: 16px; }
:root[data-design="compact"] .nav-item.active { color: var(--text); background: var(--panel-soft); box-shadow: inset 3px 0 var(--lava-orange); }
:root[data-design="compact"] .badge { border-radius: 3px; }
:root[data-design="compact"] :is(.tabs, .messenger-tabs) { border-radius: 0; background: transparent; border: 0; border-bottom: 1px solid var(--border); }
:root[data-design="compact"] .tab { border-radius: 0; border-bottom: 2px solid transparent; }
:root[data-design="compact"] .tab.active { box-shadow: none; background: transparent; border-bottom-color: var(--lava-orange); }

/* The chooser uses semantic radios, preserving keyboard and touch operation. */
.appearance-dialog {
  width: min(620px, calc(100vw - 24px));
  max-width: calc(100vw - 24px);
  max-height: calc(100dvh - 24px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 24px 24px 0;
  border-radius: 20px;
  scrollbar-width: thin;
}
.appearance-dialog::backdrop { background: #071724b3; backdrop-filter: blur(5px); }
.appearance-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.appearance-dialog-head h2 { font-size: 24px; letter-spacing: -.7px; }
.appearance-close {
  width: 44px; height: 44px; flex: 0 0 44px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--panel-soft); color: var(--text);
  display: inline-grid; place-items: center; font-size: 24px;
}
.appearance-description { font-size: 13px; line-height: 1.6; color: var(--muted); margin: 12px 0 20px; }
.appearance-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; min-width: 0; margin: 0; padding: 0; border: 0; }
.appearance-options .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.appearance-option {
  display: grid; grid-template-columns: 18px 56px minmax(0, 1fr); align-items: center; gap: 10px;
  min-width: 0; min-height: 105px; padding: 13px 11px;
  border: 1px solid var(--border); border-radius: 13px;
  background: var(--panel); color: var(--text); cursor: pointer;
}
.appearance-option:hover { background: var(--panel-soft); }
.appearance-option.is-selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); background: var(--accent-soft); }
.appearance-option:has(input:focus-visible) { outline: 3px solid var(--accent); outline-offset: 3px; }
.appearance-option input { width: 17px; height: 17px; margin: 0; accent-color: var(--accent); cursor: pointer; }
.appearance-option-copy { min-width: 0; display: flex; flex-direction: column; gap: 5px; }
.appearance-option-copy strong { font-size: 12px; font-weight: 700; line-height: 1.35; }
.appearance-option-copy > span { color: var(--muted); font-size: 10px; line-height: 1.45; }
.appearance-preview {
  --preview-bg: #f5f6f7; --preview-side: #071724; --preview-line: #dce4e8; --preview-panel: #fff; --preview-radius: 5px;
  display: flex; width: 56px; height: 64px; overflow: hidden; border: 1px solid #bac6cc; border-radius: 7px; background: var(--preview-bg);
}
.appearance-preview-sidebar { width: 12px; flex: 0 0 12px; background: var(--preview-side); border-right: 1px solid #71838a33; }
.appearance-preview-content { display: flex; flex: 1; flex-direction: column; gap: 5px; padding: 8px 5px; }
.appearance-preview-content i { display: block; height: 12px; background: var(--preview-panel); border: 1px solid var(--preview-line); border-radius: var(--preview-radius); }
.appearance-preview-content i:first-child { height: 7px; background: #ff762b; border: 0; }
.appearance-option[data-design="workspace"] .appearance-preview { --preview-bg: #fbfcfc; --preview-side: #fff; --preview-radius: 2px; }
.appearance-option[data-design="night"] .appearance-preview { --preview-bg: #071724; --preview-side: #091d2a; --preview-panel: #193644; --preview-line: #35515f; }
.appearance-option[data-design="objects"] .appearance-preview { --preview-bg: #f0f2f1; --preview-side: #e0e8e4; --preview-panel: #d0e1d8; --preview-line: #c3d7cd; }
.appearance-option[data-design="objects"] .appearance-preview-content i:nth-child(2) { height: 20px; }
.appearance-option[data-design="compact"] .appearance-preview { --preview-bg: #fff; --preview-side: #f3f6f7; --preview-radius: 0; }
.appearance-option[data-design="compact"] .appearance-preview-content i:not(:first-child) { border-width: 0 0 1px; background: transparent; }
.appearance-dialog-footer { position: sticky; bottom: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 18px; padding: 16px 0; border-top: 1px solid var(--border); background: var(--panel); }
.appearance-storage-note { color: var(--muted); font-size: 11px; line-height: 1.5; }
.appearance-done { flex-shrink: 0; min-height: 44px; padding: 10px 24px; border: 1px solid var(--action-bg); border-radius: 10px; background: var(--action-bg); color: var(--action-ink); font-weight: 650; }

@media (max-width: 860px) {
  :root[data-design="workspace"] .kpi:nth-child(3),
  :root[data-design="compact"] .kpi:nth-child(3) { border-left: 0; }
  :root[data-design="workspace"] .kpi:nth-child(n+3),
  :root[data-design="compact"] .kpi:nth-child(n+3) { border-top: 1px solid var(--border); }
}

/* Every owner section stays available; the workspace uses the full phone width. */
@media (max-width: 620px) {
  :root[data-design] .app-shell { flex-direction: column; }
  :root[data-design] .sidebar { position: relative; inset: auto; width: 100%; padding: 18px 16px 10px; border-right: 0; border-bottom: 1px solid var(--border); }
  :root[data-design] .sidebar .brand { justify-content: flex-start; }
  :root[data-design] .brand > span:last-child { display: block; }
  :root[data-design] .sidebar .workspace-label { display: none; }
  :root[data-design] .sidebar #navigation { display: flex; gap: 4px; margin: 15px -5px 0; padding: 0 5px 5px; overflow-x: auto; scrollbar-width: thin; overscroll-behavior-x: contain; }
  :root[data-design] .sidebar #navigation .nav-item { flex: 0 0 auto; width: auto; margin: 0; min-height: 44px; padding: 10px 12px; gap: 7px; font-size: 12px; }
  :root[data-design] .sidebar #navigation .nav-label { display: inline; white-space: nowrap; }
  :root[data-design] .sidebar #navigation .nav-item svg { width: 17px; height: 17px; }
  :root[data-design] .sidebar-bottom { display: flex; flex-wrap: wrap; gap: 5px 12px; margin: 0; padding: 5px 0 0; }
  :root[data-design] .sidebar-bottom .nav-item { width: auto; margin: 0; min-height: 44px; padding: 8px 6px; font-size: 11px; }
  :root[data-design] .sidebar-bottom .nav-item span { display: inline; }
  :root[data-design] .sidebar .account { display: flex; width: 100%; margin: 0; padding: 8px 0 0; }
  :root[data-design] .sidebar .avatar { width: 28px; height: 28px; }
  :root[data-design] .account-logout { min-width: 36px; min-height: 36px; }
  :root[data-design] .workspace { width: 100%; margin-left: 0; }
  :root[data-design] .topbar { height: 64px; gap: 10px; }
  :root[data-design] .global-search input { font-size: 16px; }
  :root[data-design] .icon-button,
  :root[data-design] .messenger-controls .icon-button { width: 44px; height: 44px; }
  :root[data-design] .button,
  :root[data-design] .tab,
  :root[data-design] .filterbar select,
  :root[data-design] .messenger-tabs button { min-height: 44px; }
  :root[data-design] .heading-actions { max-width: 100%; gap: 7px; }
  :root[data-design] .heading-actions .button { white-space: normal; text-align: center; }
  :root[data-design] .page-subtitle { font-size: 12px; line-height: 1.65; }
  :root[data-design] .messenger-topbar { padding: 16px; gap: 10px; flex-wrap: wrap; }
  :root[data-design] .messenger-controls { gap: 5px; margin-left: auto; }
  :root[data-design] .messenger-tabs { overflow-x: auto; }
  :root[data-design] .conversation-title { align-items: flex-start; overflow-wrap: anywhere; }
  :root[data-design] .conversation-object { overflow-wrap: anywhere; }
  :root[data-design] .messenger-footer { flex-wrap: wrap; overflow-wrap: anywhere; }
  :root[data-design] .tabs { max-width: 100%; overflow-x: auto; }
  :root[data-design] .tabs .tab { flex-shrink: 0; }
  :root[data-design="objects"] h1 { font-size: 29px; }
  .appearance-dialog { padding: 18px 16px 0; border-radius: 18px; }
  .appearance-dialog-head h2 { font-size: 23px; }
  .appearance-description { margin: 9px 0 16px; font-size: 12px; }
  .appearance-options { grid-template-columns: minmax(0, 1fr); gap: 9px; }
  .appearance-option { min-height: 90px; grid-template-columns: 18px 56px minmax(0, 1fr); padding: 10px 12px; gap: 12px; }
  .appearance-option-copy strong { font-size: 13px; }
  .appearance-option-copy > span { font-size: 11px; }
  .appearance-dialog-footer { gap: 10px; margin-top: 14px; padding-bottom: max(14px, env(safe-area-inset-bottom)); }
  .appearance-storage-note { font-size: 10px; }
  .appearance-done { padding-inline: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  :root[data-design] :is(.nav-item, .button, .icon-button, .tab) { transition: none; }
}

/* Progressive disclosure keeps all existing owner links, with a compact header. */
@media (min-width: 621px) and (max-width: 860px) {
  :root[data-design] .sidebar .brand > .brand-wordmark { display: block; font-size: 20px; }
  :root[data-design] .sidebar .brand-wordmark .brand-sub { font-size: 6px; letter-spacing: 1.5px; }
}
.mobile-menu-panel { display: flex; flex: 1; flex-direction: column; min-height: 0; }
.mobile-header-controls[hidden], .mobile-menu-panel[hidden] { display: none; }
.mobile-header-controls { display: flex; align-items: center; gap: 6px; }
.mobile-design-button, .mobile-menu-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 10px 13px; border: 1px solid var(--border);
  border-radius: 12px; background: var(--panel); color: var(--text);
  font-size: 12px; font-weight: 650; line-height: 1.3;
}
.mobile-menu-toggle { min-width: 76px; }
.mobile-menu-toggle[aria-expanded="true"] { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }

@media (max-width: 620px) {
  :root[data-design] .sidebar[data-mobile-navigation] {
    display: grid; grid-template-columns: minmax(0, 1fr) auto;
    align-items: center; gap: 0 10px; padding: 12px 16px;
  }
  :root[data-design] .sidebar[data-mobile-navigation] > .brand { align-self: center; }
  :root[data-design] .sidebar[data-mobile-navigation] .mobile-menu-panel { grid-column: 1 / -1; }
  :root[data-design] .sidebar[data-mobile-navigation] #navigation {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible; margin: 13px 0 0; padding: 10px 0;
    border-top: 1px solid var(--border); gap: 5px;
  }
  :root[data-design] .sidebar[data-mobile-navigation] #navigation .nav-item {
    justify-content: flex-start; min-width: 0; padding: 11px 9px;
  }
  :root[data-design] .sidebar[data-mobile-navigation] #navigation .nav-label { white-space: normal; overflow-wrap: anywhere; }
  :root[data-design] .sidebar[data-mobile-navigation] .sidebar-bottom { border-top: 1px solid var(--border); padding-top: 8px; }
  :root[data-design] .sidebar[data-mobile-navigation] .sidebar-bottom #theme-toggle { display: none; }
  :root[data-design] .sidebar[data-mobile-navigation] .account { margin-top: 4px; }
}