/* ══════════════════════════════════════════════════════════════
   Spatial Diagnosis UI — Redesigned
   Warm beige / cream palette · lime-green accent
   3-column spatial layout: sidebar | body map | detail panel
   Bottom wall-timeline · Connected to medical-notes & patient
   ══════════════════════════════════════════════════════════════ */

:root {
    --sd-bg:        #ede9e0;
    --sd-surface:   #f5f2eb;
    --sd-card:      #e8e4db;
    --sd-card-light:#f0ede6;
    --sd-border:    #d6d0c4;
    --sd-text:      #2c2a26;
    --sd-muted:     #8a857a;
    --sd-accent:    #c8e64a;
    --sd-accent-dk: #a8c830;
    --sd-white:     #faf8f4;
    --sd-dark:      #3d3b36;
    --sd-dark-card: #45423c;
    --sd-radius:    16px;
    --sd-radius-sm: 10px;
    --sd-radius-xs: 6px;
    --sd-shadow:    0 2px 10px rgba(0,0,0,.06);
    --sd-shadow-lg: 0 8px 28px rgba(0,0,0,.09);
    --sd-transition: .22s cubic-bezier(.4,0,.2,1);
}

/* ══════ PAGE SHELL ══════ */
.sd-page {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 56px);
    background: var(--sd-bg);
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    color: var(--sd-text);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ══════ TOP BAR ══════ */
.sd-topbar {
    display: flex;
    align-items: center;
    padding: 0 24px;
    height: 56px;
    background: var(--sd-surface);
    border-bottom: 1px solid var(--sd-border);
    flex-shrink: 0;
    gap: 18px;
}

/* ── Patient avatar thumbnails (left) ── */
.sd-topbar-patients {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.sd-pt-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--sd-card);
    display: flex; align-items: center; justify-content: center;
    border: 2.5px solid transparent;
    cursor: pointer;
    transition: var(--sd-transition);
}
.sd-pt-avatar:hover { border-color: var(--sd-border); }
.sd-pt-avatar.active {
    border-color: var(--sd-accent);
    box-shadow: 0 0 0 2px rgba(200,230,74,.25);
}
.sd-pt-avatar img { width: 100%; height: 100%; object-fit: cover; }
.sd-pt-avatar .material-icons { font-size: 18px; color: var(--sd-muted); }
.sd-pt-add {
    width: 30px; height: 30px; border-radius: 50%;
    border: 1.5px dashed var(--sd-border);
    background: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--sd-muted);
    transition: var(--sd-transition);
}
.sd-pt-add:hover { border-color: var(--sd-accent); color: var(--sd-accent-dk); }
.sd-pt-add .material-icons { font-size: 15px; }

/* ── Center tabs with icons ── */
.sd-topbar-tabs {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    justify-content: center;
}
.sd-topbar-tab {
    background: none; border: none; cursor: pointer;
    padding: 8px 18px;
    font-size: 12.5px; font-weight: 500;
    color: var(--sd-muted);
    border-radius: 22px;
    transition: var(--sd-transition);
    display: flex; align-items: center; gap: 6px;
    white-space: nowrap;
    letter-spacing: .01em;
}
.sd-topbar-tab .material-icons { font-size: 16px; }
.sd-topbar-tab:hover { background: var(--sd-card); color: var(--sd-text); }
.sd-topbar-active {
    background: var(--sd-accent) !important;
    color: var(--sd-dark) !important;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(200,230,74,.3);
}

/* ── Right: welcome + avatar + icons ── */
.sd-topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.sd-welcome-text {
    font-size: 12px;
    font-weight: 500;
    color: var(--sd-muted);
    white-space: nowrap;
}
.sd-dr-avatar {
    width: 34px; height: 34px; border-radius: 50%;
    overflow: hidden; background: var(--sd-card);
    display: flex; align-items: center; justify-content: center;
    border: 2px solid var(--sd-border);
}
.sd-dr-avatar img { width: 100%; height: 100%; object-fit: cover; }
.sd-dr-avatar .material-icons { font-size: 18px; color: var(--sd-muted); }
.sd-topbar-icon {
    font-size: 20px; color: var(--sd-muted); cursor: pointer;
    transition: var(--sd-transition);
}
.sd-topbar-icon:hover { color: var(--sd-text); }

/* ══════ 3-COLUMN LAYOUT ══════ */
.sd-layout {
    display: grid;
    grid-template-columns: 270px 1fr 420px;
    flex: 1;
    overflow: hidden;
}

/* ══════ LEFT SIDEBAR ══════ */
.sd-sidebar {
    background: var(--sd-surface);
    border-right: 1px solid var(--sd-border);
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--sd-border) transparent;
    padding-bottom: 20px;
}

/* ── Profile: large photo LEFT, info RIGHT ── */
.sd-profile {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 22px 18px 16px;
}
.sd-profile-photo {
    width: 82px; height: 100px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--sd-card);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
}
.sd-profile-photo img { width: 100%; height: 100%; object-fit: cover; }
.sd-profile-photo .material-icons { font-size: 40px; color: var(--sd-muted); }
.sd-profile-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding-top: 6px;
    min-width: 0;
}
.sd-pname {
    font-size: 16px; font-weight: 700;
    margin: 0; color: var(--sd-text);
    line-height: 1.2;
    letter-spacing: -.01em;
}
.sd-pdemo {
    font-size: 12.5px; color: var(--sd-muted);
    margin-top: 2px;
}
.sd-pstats {
    display: flex; align-items: center; gap: 8px;
    margin-top: 8px;
}
.sd-pstat {
    font-size: 11px; font-weight: 500;
    background: var(--sd-card); color: var(--sd-muted);
    padding: 3px 10px; border-radius: 12px;
}
.sd-pstat-blood {
    background: var(--sd-accent); color: var(--sd-dark); font-weight: 700;
}

/* ── Sections ── */
.sd-section {
    padding: 12px 18px;
    border-top: 1px solid var(--sd-border);
}
.sd-section-head {
    display: flex; align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.sd-section-title {
    font-size: 11.5px; font-weight: 600;
    text-transform: uppercase; letter-spacing: .6px;
    color: var(--sd-muted);
}
.sd-expand-icon {
    font-size: 15px; color: var(--sd-muted); cursor: pointer;
    transition: var(--sd-transition);
}
.sd-expand-icon:hover { color: var(--sd-text); }
.sd-section-badges { display: flex; gap: 6px; }
.sd-circ-badge {
    display: inline-flex; align-items: center; justify-content: center;
    width: 24px; height: 24px; border-radius: 50%;
    font-size: 11px; font-weight: 700;
}
.sd-circ-green { background: var(--sd-accent); color: var(--sd-dark); }
.sd-circ-muted { background: var(--sd-card); color: var(--sd-muted); }
.sd-section-actions { display: flex; gap: 8px; }
.sd-section-act {
    font-size: 17px; color: var(--sd-muted); cursor: pointer;
    transition: var(--sd-transition);
}
.sd-section-act:hover { color: var(--sd-text); }

/* ── Vital signs — inline icon badges ── */
.sd-vitals-inline {
    display: flex;
    gap: 14px;
    padding: 6px 0 2px;
}
.sd-vital-badge {
    display: flex;
    align-items: center;
    gap: 7px;
    background: var(--sd-card);
    border-radius: 22px;
    padding: 6px 14px 6px 10px;
    transition: var(--sd-transition);
}
.sd-vital-badge:hover { box-shadow: var(--sd-shadow); }
.sd-vital-badge .material-icons { font-size: 16px; }
.sd-vb-hr .material-icons { color: #f87171; }
.sd-vb-temp .material-icons { color: #60a5fa; }
.sd-vb-val {
    font-size: 14px;
    font-weight: 700;
    color: var(--sd-text);
}

/* ── Implants ── */
.sd-implant-card {
    background: var(--sd-card);
    border-radius: var(--sd-radius-sm);
    margin-bottom: 8px;
    cursor: pointer;
    overflow: hidden;
    transition: var(--sd-transition);
}
.sd-implant-card:hover { background: var(--sd-border); }
.sd-impl-head {
    padding: 10px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sd-impl-info { display: flex; flex-direction: column; }
.sd-impl-name { font-size: 12.5px; font-weight: 600; color: var(--sd-text); }
.sd-impl-code { font-size: 10.5px; color: var(--sd-muted); margin-top: 2px; }
.sd-impl-thumbs { display: flex; gap: 5px; }
.sd-impl-thumb {
    width: 32px; height: 32px; border-radius: 8px;
    background: var(--sd-surface);
    display: flex; align-items: center; justify-content: center;
    transition: var(--sd-transition);
}
.sd-impl-thumb:hover { background: var(--sd-white); }
.sd-impl-thumb .material-icons { font-size: 17px; color: var(--sd-muted); }
.sd-impl-detail {
    padding: 8px 12px 12px;
    border-top: 1px solid var(--sd-border);
}
.sd-impl-label {
    font-size: 10.5px; color: var(--sd-muted);
    display: block; margin-bottom: 6px;
}
.sd-depreciation-chart {
    width: 100%;
    height: 36px;
    margin-bottom: 6px;
}
.sd-impl-timeline {
    display: flex; gap: 14px;
    font-size: 10.5px; color: var(--sd-text); font-weight: 600;
}
.sd-impl-mark { position: relative; }
.sd-impl-mark::before {
    content: ''; position: absolute; top: -5px; left: 50%;
    transform: translateX(-50%);
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--sd-accent);
}
.sd-impl-open {
    background: var(--sd-card);
    box-shadow: var(--sd-shadow);
}
.sd-zoom-btns {
    display: flex; gap: 5px; margin-top: 8px;
}
.sd-zoom-btn {
    width: 28px; height: 28px; border-radius: 50%;
    border: 1px solid var(--sd-border); background: var(--sd-surface);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--sd-muted);
    transition: var(--sd-transition);
}
.sd-zoom-btn:hover { background: var(--sd-card); color: var(--sd-text); }
.sd-zoom-btn .material-icons { font-size: 14px; }

/* ══════ CENTER — BODY MAP AREA ══════ */
.sd-center {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    background: var(--sd-bg);
    padding: 24px;
}
.sd-body-wrap {
    position: relative;
    width: 100%;
    max-width: 480px;
    aspect-ratio: 2 / 3.2;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Anatomical body SVG styling ── */
.sd-body-wrap ::deep .anatomical-body-diagram {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.sd-body-wrap ::deep .body-svg {
    width: 100%;
    height: 100%;
    max-height: 100%;
}
.sd-body-wrap ::deep .body-region-g {
    transition: opacity .25s ease, filter .25s ease;
}
.sd-body-wrap ::deep .body-region-g:hover {
    filter: url(#regionGlow) brightness(1.08);
}
.sd-body-wrap ::deep .body-region-g.selected {
    filter: url(#regionGlow) brightness(1.15) saturate(1.3);
}

/* ── Hotspot markers — lime-green pills ── */
.sd-hotspot {
    position: absolute; z-index: 5;
    display: flex; align-items: center; gap: 4px;
    background: var(--sd-accent);
    border: none; border-radius: 26px;
    padding: 5px 12px 5px 10px;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(200,230,74,.4);
    transition: transform .25s cubic-bezier(.4,0,.2,1), box-shadow .25s;
    animation: sd-pulse 2.8s ease-in-out infinite;
}
.sd-hotspot:hover {
    transform: scale(1.15);
    box-shadow: 0 5px 18px rgba(200,230,74,.55);
}
.sd-hs-active {
    transform: scale(1.22);
    box-shadow: 0 5px 20px rgba(200,230,74,.6);
    animation: none;
    background: var(--sd-accent-dk);
}
.sd-hs-num {
    font-size: 14px; font-weight: 800;
    color: var(--sd-dark); line-height: 1;
}
.sd-hs-ico {
    font-size: 14px; color: var(--sd-dark);
    opacity: .65;
}
@keyframes sd-pulse {
    0%, 100% { box-shadow: 0 3px 10px rgba(200,230,74,.4); }
    50%     { box-shadow: 0 5px 22px rgba(200,230,74,.6); }
}

/* Body arrows / navigation */
.sd-body-arrows {
    position: absolute; bottom: 12px; left: 50%;
    transform: translateX(-50%);
    background: var(--sd-surface);
    border-radius: 22px; padding: 5px 14px;
    box-shadow: var(--sd-shadow);
    cursor: pointer;
    transition: var(--sd-transition);
}
.sd-body-arrows:hover { background: var(--sd-white); }
.sd-body-arrows .material-icons { font-size: 18px; color: var(--sd-muted); }

/* ══════ RIGHT PANEL ══════ */
.sd-right {
    background: var(--sd-surface);
    border-left: 1px solid var(--sd-border);
    overflow-y: auto;
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: var(--sd-border) transparent;
}

/* ── Category specialty pills row ── */
.sd-cat-row {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    align-items: center;
    padding-right: 40px;
}
.sd-cat-pill {
    border: none; border-radius: 22px;
    padding: 6px 16px; font-size: 12.5px; font-weight: 500;
    background: var(--sd-card); color: var(--sd-muted);
    cursor: pointer; transition: var(--sd-transition);
    display: flex; align-items: center; gap: 5px;
}
.sd-cat-home { padding: 6px 12px; }
.sd-cat-home .material-icons { font-size: 16px; }
.sd-cat-pill:hover { background: var(--sd-border); color: var(--sd-text); }
.sd-cat-on {
    background: var(--sd-accent) !important;
    color: var(--sd-dark) !important;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(200,230,74,.3);
}
.sd-cat-add {
    width: 28px; height: 28px; border-radius: 50%;
    border: none;
    background: var(--sd-accent);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--sd-dark);
    transition: var(--sd-transition);
}
.sd-cat-add:hover { background: var(--sd-accent-dk); box-shadow: var(--sd-shadow); }
.sd-cat-add .material-icons { font-size: 14px; }

/* ── Close / dismiss button ── */
.sd-x-btn {
    position: absolute; top: 16px; right: 18px; z-index: 2;
    width: 30px; height: 30px; border-radius: 50%;
    background: #ef4444; border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: var(--sd-transition);
    box-shadow: 0 2px 8px rgba(239,68,68,.3);
}
.sd-x-btn:hover { background: #dc2626; transform: scale(1.08); }
.sd-x-btn .material-icons { font-size: 16px; color: #fff; }

/* ── Visit header ── */
.sd-visit-head { padding: 2px 0 4px; }
.sd-vh-date { font-size: 11.5px; color: var(--sd-muted); }
.sd-vh-title {
    font-size: 22px; font-weight: 700; line-height: 1.2;
    margin: 4px 0 0;
    letter-spacing: -.02em;
}

/* ── Provider row — single line ── */
.sd-provider-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    flex-wrap: wrap;
}
.sd-prov-avatar {
    width: 38px; height: 38px; border-radius: 50%;
    overflow: hidden; background: var(--sd-card);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    border: 2px solid var(--sd-border);
}
.sd-prov-avatar img { width: 100%; height: 100%; object-fit: cover; }
.sd-prov-avatar .material-icons { font-size: 20px; color: var(--sd-muted); }
.sd-prov-info {
    display: flex; flex-direction: column;
    min-width: 0;
}
.sd-prov-role { font-size: 10px; color: var(--sd-muted); text-transform: uppercase; letter-spacing: .03em; }
.sd-prov-name {
    font-size: 13.5px; font-weight: 600;
    color: var(--sd-text);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sd-prov-ico {
    font-size: 17px; color: var(--sd-muted);
    cursor: pointer; padding: 5px; border-radius: 50%;
    transition: var(--sd-transition);
}
.sd-prov-ico:hover { background: var(--sd-card); color: var(--sd-text); }
.sd-meta-chip {
    font-size: 11px; padding: 3px 12px;
    border-radius: 12px; font-weight: 500;
    background: var(--sd-card); color: var(--sd-muted);
    white-space: nowrap;
}
.sd-chip-urgent { background: #fecaca; color: #b91c1c; }
.sd-chip-routine { background: #dcfce7; color: #166534; }

/* ── Sub tabs (Docs / Meds / Labs / Operation) ── */
.sd-sub-tabs {
    display: flex; gap: 5px;
    border-bottom: 1px solid var(--sd-border);
    padding-bottom: 10px;
}
.sd-stab {
    border: none; background: none; cursor: pointer;
    font-size: 12.5px; font-weight: 500; color: var(--sd-muted);
    padding: 6px 14px; border-radius: 18px;
    transition: var(--sd-transition);
    display: flex; align-items: center; gap: 6px;
}
.sd-stab:hover { background: var(--sd-card); }
.sd-stab-on {
    background: var(--sd-dark);
    color: var(--sd-white);
}
.sd-stab-ct {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 22px; height: 20px; border-radius: 10px;
    font-size: 10.5px; font-weight: 700;
    background: rgba(0,0,0,.1); color: inherit;
    padding: 0 6px;
}
.sd-stab-on .sd-stab-ct {
    background: rgba(255,255,255,.18);
}

/* ── Section headings ── */
.sd-rd-heading {
    font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: .6px;
    color: var(--sd-muted);
    margin: 0 0 10px;
}

/* ══════ TWO-COLUMN CONTENT GRID ══════ */
.sd-content-grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 16px;
    min-height: 0;
}
.sd-content-left, .sd-content-right {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* ── Linked Document cards (dark vertical stack) ── */
.sd-ld-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.sd-ld-card {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--sd-dark);
    border-radius: var(--sd-radius-sm);
    padding: 12px;
    cursor: pointer;
    transition: var(--sd-transition);
}
.sd-ld-card:hover { background: var(--sd-dark-card); transform: translateY(-1px); box-shadow: var(--sd-shadow-lg); }
.sd-ld-icon {
    width: 34px; height: 34px; border-radius: var(--sd-radius-xs);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    background: rgba(200,230,74,.15);
}
.sd-ld-icon .material-icons { font-size: 17px; color: var(--sd-accent); }
.sd-ld-body {
    flex: 1; min-width: 0;
    display: flex; flex-direction: column; gap: 2px;
}
.sd-ld-date { font-size: 9.5px; color: rgba(255,255,255,.35); }
.sd-ld-title {
    font-size: 12px; font-weight: 600;
    color: rgba(255,255,255,.9);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sd-ld-meta {
    display: flex; flex-direction: column; gap: 3px;
    flex-shrink: 0;
}
.sd-ld-badge {
    display: flex; align-items: center; gap: 3px;
    font-size: 9.5px; color: rgba(255,255,255,.4);
}
.sd-ld-badge .material-icons { font-size: 12px; }

/* ── Complaints (side-by-side cards) ── */
.sd-compl-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    align-items: start;
}
.sd-compl-card {
    background: var(--sd-white);
    border-radius: var(--sd-radius-sm);
    padding: 12px 14px;
    cursor: pointer;
    transition: var(--sd-transition);
    border: 1px solid transparent;
}
.sd-compl-card:hover { box-shadow: var(--sd-shadow); border-color: var(--sd-border); }
.sd-compl-head {
    display: flex; justify-content: space-between;
    align-items: baseline; gap: 6px;
    margin-bottom: 6px;
}
.sd-compl-title { font-size: 12.5px; font-weight: 700; color: var(--sd-text); }
.sd-compl-date { font-size: 9.5px; color: var(--sd-muted); white-space: nowrap; }
.sd-compl-text {
    font-size: 10.5px; line-height: 1.45;
    color: var(--sd-muted);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Circle add button */
.sd-circle-add {
    width: 32px; height: 32px; border-radius: 50%;
    border: 1.5px dashed var(--sd-border); background: none;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--sd-muted); flex-shrink: 0;
    align-self: center;
    transition: var(--sd-transition);
}
.sd-circle-add:hover { border-color: var(--sd-accent); color: var(--sd-accent-dk); }
.sd-circle-add .material-icons { font-size: 16px; }

/* ── Treatment tags ── */
.sd-treat-tags {
    display: flex; flex-wrap: wrap; gap: 8px;
    align-items: center;
}
.sd-treat-tag {
    background: var(--sd-card); color: var(--sd-text);
    font-size: 11.5px; font-weight: 500;
    padding: 5px 14px; border-radius: 18px;
    transition: var(--sd-transition);
    cursor: default;
}
.sd-treat-tag:hover { background: var(--sd-border); }

/* ── Evaluative indicators ── */
.sd-eval-tags {
    display: flex; flex-wrap: wrap; gap: 10px;
    align-items: center;
}
.sd-eval-tag {
    display: flex; align-items: center; gap: 6px;
    font-size: 11.5px; color: var(--sd-muted);
    background: var(--sd-card-light);
    padding: 5px 14px 5px 10px;
    border-radius: 20px;
}
.sd-eval-dot {
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--dot-c, var(--sd-muted));
    flex-shrink: 0;
}

/* ── Loading & empty states ── */
.sd-loading {
    flex: 1;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 10px; color: var(--sd-muted);
}
.sd-spin { animation: sd-rotate 1s linear infinite; }
@keyframes sd-rotate { to { transform: rotate(360deg); } }
.sd-empty-right {
    flex: 1;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 10px; color: var(--sd-muted); text-align: center;
    padding: 40px 20px;
}
.sd-empty-right .material-icons { font-size: 52px; opacity: .25; }

/* ══════ BOTTOM WALL TIMELINE ══════ */
.sd-timeline {
    display: flex; align-items: flex-end;
    padding: 10px 24px 14px;
    background: var(--sd-surface);
    border-top: 1px solid var(--sd-border);
    flex-shrink: 0;
    gap: 10px;
}
.sd-tl-track {
    display: flex; gap: 0; flex: 1;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 4px 0;
}
.sd-tl-track::-webkit-scrollbar { display: none; }

/* ── Year button with density bars ── */
.sd-tl-year {
    display: flex; flex-direction: column;
    align-items: center; gap: 4px;
    padding: 6px 12px; border: none;
    background: none; cursor: pointer;
    border-radius: 12px;
    transition: var(--sd-transition);
    min-width: 60px;
    position: relative;
}
.sd-tl-year:hover { background: var(--sd-card); }
.sd-tl-sel {
    background: var(--sd-accent) !important;
    box-shadow: 0 2px 8px rgba(200,230,74,.3);
}
.sd-tl-sel .sd-tl-lbl { color: var(--sd-dark); font-weight: 700; }
.sd-tl-lbl { font-size: 11.5px; color: var(--sd-muted); font-weight: 500; }

/* ── Density bar chart per year ── */
.sd-tl-bars {
    display: flex; align-items: flex-end; gap: 2px;
    height: 22px;
}
.sd-tl-bar {
    width: 3.5px; border-radius: 2px;
    background: var(--sd-accent-dk);
    transition: height .3s ease;
}
.sd-tl-bar:nth-child(1) { height: 7px; }
.sd-tl-bar:nth-child(2) { height: 14px; }
.sd-tl-bar:nth-child(3) { height: 9px; }
.sd-tl-bar:nth-child(4) { height: 18px; }
.sd-tl-bar:nth-child(5) { height: 11px; }
.sd-tl-bar:nth-child(6) { height: 20px; }
.sd-tl-bar:nth-child(7) { height: 6px; }
.sd-tl-bar:nth-child(8) { height: 16px; }
.sd-tl-sel .sd-tl-bar { background: var(--sd-dark); }
.sd-tl-has .sd-tl-lbl { color: var(--sd-text); }

/* ── Timeline circle dots for years without bars ── */
.sd-tl-year:not(.sd-tl-has)::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--sd-border);
    margin-bottom: 2px;
}
.sd-tl-year.sd-tl-has:not(.sd-tl-sel)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--sd-accent-dk);
}

/* ── Zoom buttons ── */
.sd-tl-zoom { display: flex; gap: 5px; flex-shrink: 0; }
.sd-tl-zb {
    width: 30px; height: 30px; border-radius: 50%;
    border: 1px solid var(--sd-border); background: var(--sd-surface);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--sd-muted);
    transition: var(--sd-transition);
}
.sd-tl-zb:hover { background: var(--sd-card); color: var(--sd-text); }
.sd-tl-zb .material-icons { font-size: 15px; }

/* ══════ RESPONSIVE BREAKPOINTS ══════ */
@media (max-width: 1400px) {
    .sd-layout { grid-template-columns: 250px 1fr 380px; }
}
@media (max-width: 1200px) {
    .sd-layout { grid-template-columns: 240px 1fr 360px; }
    .sd-content-grid { grid-template-columns: 1fr; }
    .sd-visit-head { padding-top: 0; }
}
@media (max-width: 1024px) {
    .sd-layout { grid-template-columns: 220px 1fr 320px; }
    .sd-sub-tabs { flex-wrap: wrap; }
}
@media (max-width: 768px) {
    .sd-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
    }
    .sd-sidebar { display: none; }
    .sd-topbar-patients { display: none; }
    .sd-welcome-text { display: none; }
    .sd-right { max-height: 45vh; }
}