/* UveitisDDx - mobile-first, thumb-reachable, RTL-aware (logical properties throughout). */
:root {
  --ddx-primary: #0b6e79;
  --ddx-primary-rgb: 11, 110, 121;
  --ddx-ink: #16252b;
  --ddx-muted: #5b6b72;
  --ddx-bg: #f3f6f7;
  --ddx-card: #fff;
  --ddx-line: #dfe6e9;
  --ddx-present: #1b7f3b;
  --ddx-present-bg: #e5f4ea;
  --ddx-absent: #b3261e;
  --ddx-absent-bg: #fcebea;
  --ddx-emergent: #b3261e;
  --ddx-urgent: #a15c00;
  --ddx-routine: #52616b;
  --ddx-top-h: 52px;
  --ddx-nav-h: 60px;
  --bs-primary: var(--ddx-primary);
  --bs-primary-rgb: var(--ddx-primary-rgb);
  --bs-link-color: var(--ddx-primary);
  --bs-link-color-rgb: var(--ddx-primary-rgb);
  --bs-body-font-family: 'Cairo', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}
[data-theme="dark"] {
  --ddx-primary: #1798a6;
  --ddx-primary-rgb: 23, 152, 166;
  --ddx-ink: #e6edf0;
  --ddx-muted: #95a5ac;
  --ddx-bg: #0d1215;
  --ddx-card: #161c20;
  --ddx-line: #27343b;
  --ddx-present: #2ecc71;
  --ddx-present-bg: #133320;
  --ddx-absent: #e74c3c;
  --ddx-absent-bg: #3b1715;
  --ddx-emergent: #e74c3c;
  --ddx-urgent: #e67e22;
  --ddx-routine: #7f8c8d;
  --bs-body-color: var(--ddx-ink);
  --bs-body-bg: var(--ddx-bg);
}
[data-theme="dark"] body { background: var(--ddx-bg); color: var(--ddx-ink); }
[data-theme="dark"] .ddx-card { background: var(--ddx-card); border-color: var(--ddx-line); color: var(--ddx-ink); }
[data-theme="dark"] .ddx-toptabs, [data-theme="dark"] .ddx-selbar { background: var(--ddx-card); border-color: var(--ddx-line); }
[data-theme="dark"] .ddx-toptabs button { color: var(--ddx-muted); }
[data-theme="dark"] .ddx-toptabs button.active { color: var(--ddx-primary); }
[data-theme="dark"] .ddx-kind-tabs .nav-link { color: var(--ddx-ink); }
[data-theme="dark"] .ddx-kind-tabs .nav-link.active { background: var(--ddx-primary); color: #fff; }
[data-theme="dark"] .table { --bs-table-color: var(--ddx-ink); --bs-table-bg: var(--ddx-card); --bs-table-border-color: var(--ddx-line); }
[data-theme="dark"] .form-control, [data-theme="dark"] .form-select { background-color: #1a2328; color: var(--ddx-ink); border-color: var(--ddx-line); }
[data-theme="dark"] .form-control:focus, [data-theme="dark"] .form-select:focus { background-color: #212c33; color: #fff; border-color: var(--ddx-primary); }
[data-theme="dark"] .ddx-rank { background: #202c32; color: var(--ddx-primary); }
[data-theme="dark"] .ddx-dx { border-color: var(--ddx-line); }
[data-theme="dark"] .ddx-frow-main:hover { background: #202c32; }
[data-theme="dark"] .ddx-frow-abs, [data-theme="dark"] .ddx-conf { background: #161c20; border-color: var(--ddx-line); }
[data-theme="dark"] .ddx-chip { background: #161c20; border-color: var(--ddx-line); color: var(--ddx-ink); }
[data-theme="dark"] .ddx-chip.is-absent { background: #161c20; border-color: var(--ddx-absent); color: var(--ddx-absent); }
[data-theme="dark"] .ddx-ask { background: #161c20; }
/* buttons do not inherit the text colour: set it for the button-based rows and chips */
[data-theme="dark"] .ddx-dx-head, [data-theme="dark"] .ddx-ask, [data-theme="dark"] .ddx-frow-main, [data-theme="dark"] .ddx-card-head, [data-theme="dark"] .ddx-case-bank-item { color: var(--ddx-ink); }
[data-theme="dark"] .ddx-ask button { background: #161c20; border-color: var(--ddx-line); }
[data-theme="dark"] .ddx-mini { background: #161c20; border-color: var(--ddx-line); color: var(--ddx-ink); }
[data-theme="dark"] .ddx-meter { background: #202c32; }
[data-theme="dark"] .ddx-teach { background: #122127; border-color: #21434c; }
[data-theme="dark"] .ddx-mnm { background: #2a1616; border-color: #5c2626; }
[data-theme="dark"] .ddx-vignette, [data-theme="dark"] .ddx-score { background: #161c20; border-color: var(--ddx-line); }
[data-theme="dark"] .offcanvas { background-color: var(--ddx-card); color: var(--ddx-ink); }
[data-theme="dark"] .list-group-item { background-color: var(--ddx-card); color: var(--ddx-ink); border-color: var(--ddx-line); }
[data-theme="dark"] .list-group-item-action:hover, [data-theme="dark"] .list-group-item-action:focus { background-color: #202c32; color: #fff; }
[data-theme="dark"] .modal-content { background-color: var(--ddx-card); color: var(--ddx-ink); border-color: var(--ddx-line); }
[data-theme="dark"] .btn-close { filter: invert(1) grayscale(100%) brightness(200%); }
[data-theme="dark"] .ddx-stat { background: var(--ddx-card); border-color: var(--ddx-line); color: var(--ddx-ink); }
[data-theme="dark"] .ddx-members { border-inline-start-color: #273e44; }
[data-theme="dark"] .ddx-cov { background: #202c32; color: var(--ddx-muted); }
[data-theme="dark"] .ddx-weight-pill { background: #1a3338; color: var(--ddx-primary); }
[data-theme="dark"] .ddx-count-inline { background: #1a3338; color: var(--ddx-primary); }
[data-theme="dark"] .ddx-testlist li { border-color: var(--ddx-line); }
[data-theme="dark"] .ddx-eye-btn { background: #161c20; border-color: var(--ddx-line); color: var(--ddx-ink); }
[data-theme="dark"] .ddx-examined { background: #14282d; border-color: var(--ddx-primary); }

.btn-primary { --bs-btn-bg: var(--ddx-primary); --bs-btn-border-color: var(--ddx-primary); --bs-btn-hover-bg: #095a63; --bs-btn-hover-border-color: #095a63; --bs-btn-active-bg: #074a52; --bs-btn-disabled-bg: var(--ddx-primary); --bs-btn-disabled-border-color: var(--ddx-primary); }
.btn-outline-primary { --bs-btn-color: var(--ddx-primary); --bs-btn-border-color: var(--ddx-primary); --bs-btn-hover-bg: var(--ddx-primary); --bs-btn-hover-border-color: var(--ddx-primary); --bs-btn-active-bg: var(--ddx-primary); }
.nav-pills { --bs-nav-pills-link-active-bg: var(--ddx-primary); }
.text-bg-primary { background-color: var(--ddx-primary) !important; }

html { -webkit-text-size-adjust: 100%; }
body { background: var(--ddx-bg); color: var(--ddx-ink); font-size: 15px; line-height: 1.45; }
body.loading #app-main { visibility: hidden; }
.bi { width: 1em; height: 1em; fill: currentColor; vertical-align: -0.125em; flex-shrink: 0; }
h2 { font-size: 1.05rem; font-weight: 700; margin: 0; }
button { touch-action: manipulation; }

/* ---------- top bar ---------- */
.ddx-top { position: sticky; top: 0; z-index: 1030; height: var(--ddx-top-h); display: flex; align-items: center; gap: .5rem;
  padding: 0 .75rem; padding-top: env(safe-area-inset-top); background: var(--ddx-primary); color: #fff; box-sizing: content-box; }
.ddx-brand { display: flex; align-items: center; gap: .45rem; color: #fff; text-decoration: none; font-weight: 800; font-size: 1.1rem; letter-spacing: .2px; }
.ddx-brand .bi { width: 1.5rem; height: 1.5rem; }
.ddx-top .ddx-pill { font-size: .72rem; padding: .1rem .5rem; border-radius: 1rem; background: rgba(255,255,255,.18); white-space: nowrap; }
.ddx-footer { text-align: center; font-size: .75rem; color: var(--ddx-muted); padding: 1rem 1rem 1.5rem; }
.ddx-footer a { color: inherit; }
.ddx-top .ddx-pill.offline { background: #f5c451; color: #3d2c00; }
.ddx-restart-btn { display: inline-flex; align-items: center; gap: .3rem; background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.32); border-radius: 1rem; padding: .12rem .55rem; font-size: .75rem; font-weight: 700; line-height: 1.4; cursor: pointer; transition: background .15s, border-color .15s, transform .1s; }
.ddx-restart-btn:hover, .ddx-restart-btn:focus-visible { background: rgba(255,255,255,.28); border-color: rgba(255,255,255,.6); color: #fff; }
.ddx-restart-btn:active { transform: scale(0.96); }
.ddx-restart-btn .bi { width: .9rem; height: .9rem; }
[data-theme="dark"] .ddx-restart-btn { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.2); color: #e6edf0; }
[data-theme="dark"] .ddx-restart-btn:hover { background: rgba(255,255,255,.18); color: #fff; }
.ddx-top-actions { margin-inline-start: auto; display: flex; gap: .25rem; }
.ddx-top-actions .btn { color: #fff; border: 0; padding: .35rem .5rem; }
.ddx-top-actions .btn:hover, .ddx-top-actions .btn:focus-visible { background: rgba(255,255,255,.15); }

/* ---------- selection bar ---------- */
.ddx-selbar { position: sticky; top: calc(var(--ddx-top-h) + var(--ddx-toptabs-h) + env(safe-area-inset-top)); z-index: 1020; background: var(--ddx-card);
  border-bottom: 1px solid var(--ddx-line); padding: .45rem .75rem; box-shadow: 0 2px 6px rgba(0,0,0,.04); }
.ddx-chiprow { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; max-height: 4.2rem; overflow-y: auto; overflow-x: hidden; scrollbar-width: thin; }
.ddx-chiprow::-webkit-scrollbar { width: 4px; }
.ddx-chiprow::-webkit-scrollbar-thumb { background: var(--ddx-line); border-radius: 4px; }
.ddx-askrow { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; margin-top: .4rem; }
.ddx-chip { flex: 0 0 auto; border-radius: 1rem; border: 1px solid; padding: .15rem .6rem; font-size: .82rem; background: none; white-space: nowrap; max-width: 100%; text-overflow: ellipsis; }
.ddx-chip.is-present { background: var(--ddx-present-bg); border-color: var(--ddx-present); color: var(--ddx-present); }
.ddx-chip.is-absent { background: #fff; border-color: var(--ddx-absent); color: var(--ddx-absent); text-decoration: line-through; text-decoration-thickness: 1px; }
.ddx-chip-clear { border-color: var(--ddx-line); color: var(--ddx-muted); }
.ddx-ask-label { flex: 0 0 auto; font-size: .8rem; font-weight: 700; color: var(--ddx-primary); }
.ddx-ask { display: inline-flex; align-items: center; border: 1px dashed var(--ddx-primary); border-radius: 1rem; font-size: .82rem; max-width: 100%; background: #fff; }
.ddx-ask-q { padding: .2rem .6rem; white-space: normal; word-break: break-word; text-align: start; line-height: 1.35; }
.ddx-ask button { border: 0; border-inline-start: 1px solid var(--ddx-line); background: #fff; padding: .15rem .45rem; }
.ddx-ask-yes { color: var(--ddx-present); } .ddx-ask-no { color: var(--ddx-absent); }

/* ---------- layout ---------- */
#app-main { max-width: 1320px; margin: 0 auto; padding: .75rem; }
.ddx-region-select { width: auto; max-width: 11rem; background-color: rgba(255,255,255,.15); color: #fff; border-color: rgba(255,255,255,.3); }
.ddx-region-select option { color: #16252b; }
@media (min-width: 992px) {
  #app-main { padding: 1rem; }
}
.ddx-two-col { display: block; }
@media (min-width: 992px) {
  .ddx-two-col { display: grid; grid-template-columns: minmax(360px, 5fr) 7fr; gap: 1rem; align-items: start; }
  .ddx-two-col > .ddx-col-left { position: sticky; top: calc(var(--ddx-top-h) + var(--ddx-toptabs-h) + 1rem); max-height: calc(100vh - var(--ddx-top-h) - var(--ddx-toptabs-h) - 2rem); overflow-y: auto; }
}

.ddx-card { background: var(--ddx-card); border: 1px solid var(--ddx-line); border-radius: .75rem; padding: .75rem; margin-bottom: .75rem; }
.ddx-card-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-bottom: .5rem; flex-wrap: wrap; }

/* ---------- context ---------- */
.ddx-ctx-row { display: flex; align-items: center; gap: .5rem; margin-bottom: .45rem; flex-wrap: wrap; }
.ddx-ctx-label { width: 5.5rem; font-size: .85rem; color: var(--ddx-muted); }
.ddx-seg .btn { font-size: .78rem; padding: .25rem .5rem; }
.ddx-ctx-tris { display: flex; flex-wrap: wrap; gap: .5rem 1rem; }
.ddx-tri { display: flex; align-items: center; gap: .4rem; }
.ddx-tri-label { font-size: .85rem; color: var(--ddx-muted); }
.ddx-tri .btn { font-size: .78rem; padding: .2rem .55rem; }

/* ---------- findings ---------- */
.ddx-search { position: relative; margin-bottom: .5rem; }
.ddx-search .bi { position: absolute; inset-inline-start: .7rem; top: 50%; transform: translateY(-50%); color: var(--ddx-muted); }
.ddx-search input { padding-inline-start: 2.1rem; border-radius: 2rem; }
.ddx-kind-tabs { gap: .25rem; margin-bottom: .5rem; }
.ddx-kind-tabs .nav-link { padding: .3rem .8rem; font-size: .88rem; border-radius: 2rem; color: var(--ddx-ink); }
.ddx-kind-tabs .nav-link.active .badge { background: #fff !important; color: var(--ddx-primary) !important; }
.ddx-group { border-top: 1px solid var(--ddx-line); }
.ddx-group > summary { display: flex; gap: .5rem; align-items: center; padding: .55rem .25rem; font-weight: 700; font-size: .9rem; cursor: pointer; list-style: none; }
.ddx-group > summary::-webkit-details-marker { display: none; }
.ddx-group > summary::before { content: '›'; display: inline-block; width: .8rem; transition: transform .15s; color: var(--ddx-muted); }
[dir="rtl"] .ddx-group > summary::before { content: '‹'; }
.ddx-group[open] > summary::before { transform: rotate(90deg); }
[dir="rtl"] .ddx-group[open] > summary::before { transform: rotate(-90deg); }
.ddx-flist { list-style: none; padding: 0; margin: 0 0 .4rem; }
.ddx-frow { display: flex; align-items: stretch; gap: .25rem; border-radius: .5rem; margin-bottom: 2px; }
.ddx-frow-main { flex: 1; display: grid; grid-template-columns: 1.4rem 1fr; align-items: center; text-align: start; border: 1px solid transparent;
  background: none; border-radius: .5rem; padding: .5rem .5rem; min-height: 44px; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.ddx-frow-main:hover { background: #f1f5f6; }
.ddx-frow-mark { color: var(--ddx-present); }
.ddx-frow-help { grid-column: 2; font-size: .75rem; color: var(--ddx-muted); line-height: 1.3; }
.ddx-alarm { display: inline-block; font-size: .65rem; font-weight: 800; color: #fff; background: var(--ddx-absent); border-radius: 50%; width: 1rem; height: 1rem; text-align: center; line-height: 1rem; vertical-align: .15em; }
.ddx-frow.is-present .ddx-frow-main { background: var(--ddx-present-bg); border-color: var(--ddx-present); font-weight: 600; }
.ddx-frow.is-absent .ddx-frow-main { border-color: var(--ddx-absent); color: var(--ddx-absent); }
.ddx-frow.is-absent .ddx-frow-label { text-decoration: line-through; }
.ddx-frow.is-absent .ddx-frow-mark { color: var(--ddx-absent); }
.ddx-frow-abs, .ddx-conf { border: 1px solid var(--ddx-line); background: #fff; border-radius: .5rem; min-width: 44px; color: var(--ddx-muted); }
.ddx-frow-abs.active { background: var(--ddx-absent); border-color: var(--ddx-absent); color: #fff; }
.ddx-conf { font-size: .72rem; padding: 0 .4rem; color: var(--ddx-present); border-color: var(--ddx-present); }

/* ---------- entry (U1) ---------- */
.ddx-frow-mark-circle { display: inline-block; width: .95rem; height: .95rem; border: 2px solid var(--ddx-line); border-radius: 50%; }
.ddx-frow.is-present .ddx-frow-mark-circle { border-color: var(--ddx-present); }
.ddx-frow-cat { flex-direction: column; align-items: stretch; padding: .5rem .25rem; }
.ddx-frow-eye { flex-direction: column; align-items: stretch; padding: .5rem .25rem; }
.ddx-cat-eye-row { display: flex; align-items: center; gap: .5rem; margin-top: .3rem; flex-wrap: wrap; }
.ddx-eye-badge { flex: 0 0 auto; font-size: .72rem; font-weight: 700; color: var(--ddx-muted); width: 2.4rem; }
.ddx-eye-btn { border: 1px solid var(--ddx-line); background: #fff; border-radius: .4rem; padding: .3rem .8rem; font-size: .8rem; font-weight: 700; min-width: 44px; }
.ddx-eye-btn.is-present { background: var(--ddx-present-bg); border-color: var(--ddx-present); color: var(--ddx-present); }
.ddx-eye-btn.is-absent { background: var(--ddx-absent-bg); border-color: var(--ddx-absent); color: var(--ddx-absent); text-decoration: line-through; }
.ddx-examined { background: #eef6f7; border: 1px dashed var(--ddx-primary); border-radius: .5rem; padding: .5rem .75rem; }
.ddx-seg .btn.active { background: var(--ddx-primary); border-color: var(--ddx-primary); color: #fff; }
.ddx-frow-highlight { animation: ddx-flash 1.8s ease-out; border-radius: .5rem; }
@keyframes ddx-flash { 0%, 40% { background: #fff3cd; } 100% { background: transparent; } }

/* ---------- results ---------- */
.ddx-empty { text-align: center; padding: 2rem 1rem; }
.ddx-empty-icon { width: 3rem !important; height: 3rem !important; color: var(--ddx-primary); margin-bottom: .5rem; }
.ddx-empty p { color: var(--ddx-muted); }
.ddx-banner { border-inline-start: 5px solid var(--ddx-absent); }
.ddx-banner-h { margin-bottom: .25rem; }
.ddx-cause { font-weight: 600; }
.ddx-mnm { border-color: #f0b7b3; background: #fffafa; }
.ddx-mnm h2 { color: var(--ddx-emergent); }
.ddx-dxlist { list-style: none; padding: 0; margin: 0; }
.ddx-dx { border-top: 1px solid var(--ddx-line); }
.ddx-dx:first-child { border-top: 0; }
.ddx-dx.is-final { background: #f1faf3; }
.ddx-dx-head { width: 100%; display: flex; gap: .6rem; align-items: flex-start; border: 0; background: none; text-align: start; padding: .6rem .25rem; }
.ddx-rank { flex: 0 0 1.6rem; height: 1.6rem; border-radius: 50%; background: #eef3f4; color: var(--ddx-primary); font-weight: 800; font-size: .8rem; display: grid; place-items: center; margin-top: .1rem; }
.ddx-dx-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .15rem; }
.ddx-dx-name { font-weight: 700; }
.ddx-dx-sub { display: flex; align-items: center; gap: .5rem; }
.ddx-dx-groupname { font-size: .72rem; color: var(--ddx-muted); text-transform: uppercase; letter-spacing: .3px; }
.ddx-count-inline { font-size: .7rem; font-weight: 700; color: var(--ddx-primary); background: #e3f0f1; border-radius: 1rem; padding: 0 .4rem; vertical-align: .1em; }
.ddx-dx-group > .ddx-dx-head .ddx-dx-name { color: var(--ddx-primary); }
.ddx-members { margin: 0 0 .5rem 1.5rem; border-inline-start: 2px solid #d7e7e9; padding-inline-start: .5rem; }
[dir="rtl"] .ddx-members { margin: 0 1.5rem .5rem 0; }
.ddx-mini.pos-partial { border-color: var(--ddx-present); border-style: dashed; color: var(--ddx-present); }
.ddx-umbrella { font-size: .65rem; font-weight: 700; color: var(--ddx-muted); border: 1px solid var(--ddx-line); border-radius: .3rem; padding: 0 .3rem; vertical-align: .1em; }
.ddx-dx-one, .ddx-dx-why { font-size: .8rem; color: var(--ddx-muted); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.ddx-dx-why b { color: var(--ddx-ink); }
.ddx-caret { margin-top: .35rem; color: var(--ddx-muted); transition: transform .15s; }
.ddx-dx.open .ddx-caret { transform: rotate(180deg); }
.ddx-meter { flex: 1; max-width: 220px; height: .45rem; background: #e7eef0; border-radius: 1rem; overflow: hidden; }
.ddx-meter > span { display: block; height: 100%; background: var(--ddx-primary); border-radius: 1rem; }
.ddx-meter-warn > span { background: var(--ddx-emergent); }
.ddx-cov { font-size: .75rem; font-weight: 700; color: var(--ddx-muted); background: #eef3f4; border-radius: .4rem; padding: 0 .35rem; white-space: nowrap; }
.ddx-weight-pill { font-size: .72rem; font-weight: 700; color: var(--ddx-primary); background: #e3f0f1; border-radius: .4rem; padding: 0 .4rem; white-space: nowrap; }
.ddx-urg { font-size: .65rem; font-weight: 700; text-transform: uppercase; letter-spacing: .3px; padding: .05rem .4rem; border-radius: .3rem; vertical-align: .12em; margin-inline-start: .25rem; }
.ddx-urg-emergent { background: var(--ddx-emergent); color: #fff; }
.ddx-urg-urgent { background: #fff0d9; color: var(--ddx-urgent); border: 1px solid #f2c27a; }
.ddx-urg-routine { background: #eef1f3; color: var(--ddx-routine); }
.ddx-detail { padding: 0 .25rem .75rem 2.2rem; }
[dir="rtl"] .ddx-detail { padding: 0 2.2rem .75rem .25rem; }
.ddx-dx-mnm .ddx-detail { padding-inline-start: .25rem; }
.ddx-oneliner { margin-bottom: .35rem; }
.ddx-draft { color: #8a5a00; white-space: nowrap; }
.ddx-fl { display: flex; flex-wrap: wrap; gap: .3rem; align-items: center; margin: .35rem 0; }
.ddx-fl-h { font-size: .75rem; font-weight: 700; width: 100%; }
.ddx-mini { display: inline-flex; align-items: center; gap: .15rem; font-size: .78rem; border-radius: 1rem; padding: .05rem .5rem; border: 1px solid var(--ddx-line); background: #fff; }
.ddx-mini.pos { border-color: var(--ddx-present); color: var(--ddx-present); background: var(--ddx-present-bg); }
.ddx-mini.neg { border-color: var(--ddx-absent); color: var(--ddx-absent); background: var(--ddx-absent-bg); }
.ddx-mini.warn { border-color: #d59a2a; color: #7a4d00; background: #fff6e5; }
.ddx-mini.ask, .ddx-mini.record-next { border: 1px dashed var(--ddx-absent) !important; color: var(--ddx-absent) !important; background: var(--ddx-absent-bg) !important; }
.ddx-mini.ask button, .ddx-mini.record-next button { color: var(--ddx-absent) !important; }
.ddx-mini.recorded { border: 1px solid var(--ddx-present) !important; color: var(--ddx-present) !important; background: var(--ddx-present-bg) !important; font-weight: 600; }
.ddx-mini.recorded button { color: var(--ddx-present) !important; font-weight: 600; }
.ddx-mini button { border: 0; background: none; padding: 0 .2rem; line-height: 1.2; color: inherit; }
.ddx-mini:not(.ask):not(.recorded):not(.record-next) button:first-of-type:not(:last-of-type) { color: var(--ddx-present); }
.ddx-mini:not(.ask):not(.recorded):not(.record-next) button:last-of-type:not(:first-of-type) { color: var(--ddx-absent); }

/* why this rank visual split bar */
.ddx-why { font-size: .8rem; margin: .5rem 0; }
.ddx-why caption { caption-side: top; font-weight: 700; color: var(--ddx-ink); padding: 0 0 .25rem; }
.ddx-why tr.neg td:last-child { color: var(--ddx-absent); } .ddx-why tr.pos td:last-child { color: var(--ddx-present); }
.ddx-why-cell { display: flex; align-items: center; justify-content: flex-end; gap: .4rem; }
.ddx-why-bar-wrap { width: 44px; height: 6px; background: var(--ddx-line); border-radius: 3px; display: inline-block; overflow: hidden; flex-shrink: 0; }
.ddx-why-bar { display: block; height: 100%; border-radius: 3px; }
.ddx-why-bar.pos { background: var(--ddx-present); }
.ddx-why-bar.neg { background: var(--ddx-absent); }

/* mobile safety alert strip */
.ddx-safety-strip { border-inline-start: 4px solid var(--ddx-urgent); }
.ddx-safety-strip.emergent { border-inline-start-color: var(--ddx-emergent); background: #fff8f8; }

.ddx-sun-guide { display: block; font-size: .65rem; font-weight: normal; opacity: .85; margin-top: .1rem; line-height: 1; }
.ddx-search-clear { position: absolute; inset-inline-end: .7rem; top: 50%; transform: translateY(-50%); border: 0; background: none; color: var(--ddx-muted); padding: .2rem; }
.ddx-search-clear:hover { color: var(--ddx-ink); }

.ddx-detail-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.ddx-ext-note { margin: .25rem 0 0; }
.ddx-cat { font-size: .78rem; text-transform: uppercase; letter-spacing: .4px; color: var(--ddx-muted); margin: .6rem 0 .2rem; }
.ddx-testlist { list-style: none; padding: 0; margin: 0; }
.ddx-testlist li { padding: .35rem 0; border-top: 1px dashed var(--ddx-line); }
.ddx-testlist li.done .form-check-label b { text-decoration: line-through; color: var(--ddx-muted); }
.ddx-test-for { display: block; font-size: .78rem; color: var(--ddx-muted); }
.ddx-role { font-size: .65rem; text-transform: uppercase; border-radius: .25rem; padding: 0 .25rem; }
.ddx-role-confirm { background: #e5f4ea; color: var(--ddx-present); }
.ddx-role-exclude { background: #fcebea; color: var(--ddx-absent); }
.ddx-role-baseline { background: #eef1f3; color: var(--ddx-routine); }
.ddx-test-results { display: flex; flex-wrap: wrap; gap: .3rem; margin: .3rem 0 0 1.5rem; }
.ddx-actions { display: flex; flex-wrap: wrap; gap: .4rem; }
.ddx-disclaimer { font-size: .78rem; color: var(--ddx-muted); border-top: 1px solid var(--ddx-line); padding-top: .6rem; margin-top: .25rem; }

/* ---------- teaching ---------- */
.ddx-teach { border-color: #b9d9dd; background: #f6fbfc; }
.ddx-teach-nav { display: flex; align-items: center; justify-content: space-between; gap: .5rem; flex-wrap: wrap; margin-bottom: .75rem; }
.ddx-teach-title { font-size: 1.1rem; font-weight: 800; margin: 0; color: var(--ddx-ink); }
.ddx-teach-meta { display: flex; align-items: center; gap: .35rem; flex-wrap: wrap; }
.ddx-vignette { background: #fff; border: 1px solid var(--ddx-line); border-radius: .5rem; padding: .5rem .75rem; margin-bottom: .5rem; }
.ddx-vignette p { margin: .25rem 0 0; font-size: .9rem; }
.ddx-guesses { padding-inline-start: 1.25rem; margin: .25rem 0 .5rem; }
.ddx-sugg { position: absolute; z-index: 5; inset-inline: 0; top: 100%; max-height: 260px; overflow-y: auto; box-shadow: 0 6px 16px rgba(0,0,0,.12); }
.ddx-score { background: #fff; border: 1px solid var(--ddx-line); border-radius: .5rem; padding: .5rem .75rem; }
.ddx-case-bank-list { max-height: 60vh; overflow-y: auto; }
.ddx-case-bank-item { padding: .65rem .85rem; border-bottom: 1px solid var(--ddx-line); cursor: pointer; transition: background .15s; }
.ddx-case-bank-item:hover { background: rgba(var(--ddx-primary-rgb), .08); }
.ddx-case-bank-item.active { background: rgba(var(--ddx-primary-rgb), .15); font-weight: 700; }
body.teaching .ddx-top { background: #4a3f8c; }

/* ---------- top tabs (screen nav) ---------- */
:root { --ddx-toptabs-h: 46px; }
.ddx-toptabs { position: sticky; top: var(--ddx-top-h); z-index: 1025; display: flex; height: var(--ddx-toptabs-h);
  background: var(--ddx-card); border-bottom: 1px solid var(--ddx-line); box-shadow: 0 2px 6px rgba(0,0,0,.04); }
.ddx-toptabs button { flex: 1; border: 0; background: none; display: flex; flex-direction: row; align-items: center; justify-content: center; gap: .35rem; font-size: .78rem; color: var(--ddx-muted); position: relative; }
.ddx-toptabs button .bi { width: 1.1rem; height: 1.1rem; }
.ddx-toptabs button.active { color: var(--ddx-primary); font-weight: 700; box-shadow: inset 0 -2px 0 var(--ddx-primary); }
.ddx-count { min-width: 1.1rem; font-size: .65rem; font-weight: 800; background: var(--ddx-primary); color: #fff; border-radius: 1rem; padding: 0 .3rem; }
.ddx-count:empty { display: none; }
#tab-results.has-alert .ddx-count { background: var(--ddx-emergent); }
@media (min-width: 992px) {
  .ddx-toptabs button { flex: 0 0 auto; padding: 0 1.25rem; font-size: .85rem; }
}

/* ---------- toasts ---------- */
#toasts { position: fixed; z-index: 1090; inset-inline: 0; bottom: calc(1rem + env(safe-area-inset-bottom)); display: flex; flex-direction: column; align-items: center; gap: .4rem; pointer-events: none; }
.ddx-toast { padding: .5rem 1rem; border-radius: 2rem; font-size: .88rem; opacity: 0; transform: translateY(8px); transition: all .25s; box-shadow: 0 4px 12px rgba(0,0,0,.18); }
.ddx-toast.show { opacity: 1; transform: none; }

/* ---------- static pages / admin ---------- */
.ddx-page { max-width: 880px; margin: 1rem auto; padding: 0 .75rem 2rem; }
.ddx-admin { max-width: 1320px; margin: 1rem auto; padding: 0 .75rem 3rem; }
.ddx-admin .table { font-size: .85rem; }
.ddx-admin .table td { vertical-align: middle; }
.ddx-admin-nav .nav-link { color: var(--ddx-ink); }
.ddx-admin-nav .nav-link.active { background: var(--ddx-primary); color: #fff; }
.ddx-tier-select { min-width: 8.5rem; }
.ddx-stat { background: #fff; border: 1px solid var(--ddx-line); border-radius: .75rem; padding: .75rem 1rem; }
.ddx-stat b { display: block; font-size: 1.4rem; color: var(--ddx-primary); }

/* ---------- print ---------- */
@media print {
  body { background: #fff; padding: 0; font-size: 11pt; }
  .ddx-top, .ddx-bottomnav, .ddx-selbar .ddx-askrow, #pane-context, #pane-findings, .ddx-actions, #toasts, .ddx-detail-actions,
  .ddx-mini button, .ddx-caret, textarea, label[for="case-notes"], .ddx-empty .d-grid { display: none !important; }
  #app-main { display: block; padding: 0; }
  #pane-results { display: block !important; }
  .ddx-selbar { position: static; border: 0; box-shadow: none; }
  .ddx-chip { border-color: #999 !important; }
  .ddx-card { break-inside: avoid; border-color: #bbb; }
}

/* ---------------------------------------------------------------- public welcome page */
.ddx-hero { text-align: center; padding: 2.5rem 0 2rem; }
.ddx-hero h1 { font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 800; line-height: 1.15; margin: 0 auto .9rem; max-width: 20ch; }
.ddx-hero-lead { font-size: 1.06rem; color: var(--ddx-ink); max-width: 62ch; margin: 0 auto 1.4rem; line-height: 1.6; }
.ddx-hero-actions { display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; }
.ddx-hero-note { font-size: .85rem; color: var(--ddx-muted); margin: .9rem 0 0; }

.ddx-feature { display: grid; grid-template-columns: 1fr 1.25fr; gap: 2rem; align-items: center; padding: 2rem 0; border-top: 1px solid var(--ddx-line); }
.ddx-feature.reverse .ddx-feature-text { order: 2; }
.ddx-feature h2 { font-size: 1.35rem; font-weight: 800; margin-bottom: .6rem; }
.ddx-feature p { line-height: 1.6; margin-bottom: .7rem; }
.ddx-feature ul { padding-inline-start: 1.1rem; margin: 0; }
.ddx-feature li { margin-bottom: .45rem; line-height: 1.5; }
.ddx-feature-shot { margin: 0; }
.ddx-feature-shot img { width: 100%; height: auto; border: 1px solid var(--ddx-line); border-radius: .6rem; box-shadow: 0 10px 28px rgba(0,0,0,.14); }
.ddx-stats { display: flex; flex-wrap: wrap; gap: .4rem .9rem; font-size: .88rem; color: var(--ddx-muted); margin: 0; }
.ddx-stats b { color: var(--ddx-primary); font-size: 1rem; }

.ddx-cta { text-align: center; padding: 2.2rem 0 1rem; border-top: 1px solid var(--ddx-line); }
.ddx-cta h2 { font-weight: 800; }
.ddx-cta p { color: var(--ddx-muted); margin-bottom: 1rem; }
.ddx-disclaimer-page { font-size: .78rem; color: var(--ddx-muted); text-align: center; max-width: 70ch; margin: 1.5rem auto 0; line-height: 1.5; }

@media (max-width: 820px) {
  .ddx-feature { grid-template-columns: 1fr; gap: 1.1rem; }
  .ddx-feature.reverse .ddx-feature-text { order: 0; }
}
[data-theme="dark"] .ddx-feature-shot img { box-shadow: 0 10px 28px rgba(0,0,0,.5); }