/* ============================================================
   App shell — IDE-modern density patterns
   Consumed by landing, ui_kits/*, docs, blog, slides
   Light default · dark via prefers-color-scheme or [data-theme=dark]
   ============================================================ */

html, body {
    background: var(--panel-0);
    color: var(--panel-text);
    font-family: var(--ff-ui);
    font-size: 14px;
    line-height: 1.55;
}

.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--panel-0);
}

/* Top bar — sticky chrome, elevated via shadow so content doesn't bleed under */
.app-topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 56px;
    background: var(--panel-0);
    color: var(--panel-text);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 16px;
    font-size: 13px;
    flex-shrink: 0;
}
.app-topbar .menu {
    width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--panel-text-2);
    background: transparent;
    border-radius: 999px;
    cursor: pointer;
    font-family: var(--ff-ui);
    font-size: 16px;
    transition: background 80ms ease;
}
.app-topbar .menu:hover { background: var(--panel-hover); color: var(--panel-text); }
.app-search {
    flex: 1;
    max-width: 720px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--panel-2);
    border-radius: 999px;
    padding: 0 18px;
    height: 40px;
    transition: background 80ms ease;
}
.app-search:hover, .app-search:focus-within { background: var(--panel-1); }
.app-search .icon { color: var(--panel-text-2); font-family: var(--ff-ui); font-size: 14px; }
.app-search input {
    flex: 1;
    background: transparent;
    color: var(--panel-text);
    font-family: inherit;
    font-size: 14px;
    height: 100%;
    padding: 0;
}
.app-search input::placeholder { color: var(--panel-text-2); }
.app-topbar .brand {
    font-weight: 600;
    color: var(--panel-text);
    display: inline-flex;
    align-items: center;
}
.app-topbar .brand .slash { color: var(--panel-text-3); margin: 0 6px; font-weight: 400; }
.app-topbar nav {
    display: flex;
    gap: 2px;
    margin-left: auto;
    align-items: center;
}
.app-topbar nav a {
    color: var(--panel-text-2);
    text-decoration: none;
    padding: 7px 14px;
    font-size: 13px;
    border-radius: 999px;
    line-height: 1;
    transition: background 80ms ease, color 80ms ease;
}
.app-topbar nav a:hover { background: var(--panel-hover); color: var(--panel-text); }
.app-topbar nav a.active:hover { filter: brightness(1.06); }
.app-topbar nav a.active { color: var(--panel-accent-fg); background: var(--panel-accent); }

/* Breadcrumb — under topbar */
.app-crumb {
    position: sticky;
    top: 40px;
    z-index: 99;
    background: var(--panel-1);
    padding: 8px 20px;
    font-family: var(--ff-ui);
    font-size: 12px;
    color: var(--panel-text-2);
    display: flex;
    gap: 6px;
    align-items: center;
    flex-shrink: 0;
}
.app-crumb .sep { color: var(--panel-text-3); }
.app-crumb .leaf { color: var(--panel-text); }

/* Shell body — optional sidebar + main */
.app-body {
    display: grid;
    grid-template-columns: 256px 1fr;
    flex: 1;
    min-height: 0;
    background: var(--panel-0);
    gap: 0;
    transition: grid-template-columns var(--motion-fast, 220ms) ease;
}
.app-body.no-side { grid-template-columns: 1fr; }
.app-body.no-side > .app-main { grid-column: 1 / -1; }

.app-side-shell {
    min-width: 0;
    overflow: hidden;
    opacity: 1;
    transform: translateX(0);
    transition: opacity var(--motion-fast, 220ms) ease, transform var(--motion-fast, 220ms) ease;
}
.app-body.no-side .app-side-shell {
    opacity: 0;
    transform: translateX(-12px);
    pointer-events: none;
}

/* Sidebar */
.app-side {
    background: var(--panel-0);
    padding: 8px 0 24px 0;
    overflow-y: auto;
    height: 100%;
}
.app-side .group {
    padding: 14px 18px 6px 18px;
    font-family: var(--ff-ui);
    font-size: 12px;
    letter-spacing: 0.01em;
    color: var(--panel-text-3);
    font-weight: 600;
}
.app-side a {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 1px 8px;
    padding: 6px 12px 6px 16px;
    color: var(--panel-text);
    text-decoration: none;
    font-size: 13px;
    border-radius: 999px;
    transition: background 80ms ease;
}
.app-side a:hover { background: var(--panel-hover); }
.app-side a.active { background: var(--panel-select); color: var(--panel-text); font-weight: 600; }
.app-side a.active:hover { background: var(--panel-select); filter: brightness(0.97); }
.app-side a .glyph { color: var(--panel-text-2); font-family: var(--ff-ui); width: 14px; flex-shrink: 0; }
.app-side a.active .glyph { color: var(--panel-accent); }

/* Main content area */
.app-main {
    background: var(--panel-0);
    padding: 16px 20px 72px 20px;
    overflow-y: auto;
}
.app-main.narrow { max-width: 820px; }
.app-main.centered { margin: 0 auto; }
.app-main.stage  { background: var(--panel-1); border-radius: 18px; margin: 8px; padding: 24px 28px 56px 28px; }

.app-main h1 {
    font-size: 28px;
    font-weight: 600;
    margin: 4px 0 4px 0;
    color: var(--panel-text);
    letter-spacing: -0.01em;
    line-height: 1.2;
}
.app-main h2 {
    font-size: 18px;
    font-weight: 600;
    margin: 32px 0 8px 0;
    color: var(--panel-text);
    letter-spacing: -0.005em;
}
.app-main h3 {
    font-family: var(--ff-ui);
    font-size: 13px;
    font-weight: 600;
    margin: 24px 0 8px 0;
    color: var(--panel-accent);
    letter-spacing: 0.01em;
}
.app-main p {
    margin: 0 0 12px 0;
    max-width: 72ch;
    font-size: 14px;
    line-height: 1.6;
    color: var(--panel-text);
}
.app-main .lede {
    font-size: 15px;
    color: var(--panel-text-2);
    margin: 0 0 24px 0;
    max-width: 60ch;
}
.app-main a {
    color: var(--panel-accent);
    text-decoration: none;
}
.app-main a:hover { text-decoration: underline; text-underline-offset: 2px; }
.app-main code {
    font-family: var(--ff-mono);
    font-size: 12.5px;
    background: var(--panel-2);
    padding: 1px 6px;
    border-radius: 6px;
    color: var(--panel-text);
}
.app-main pre {
    background: var(--panel-1);
    padding: 14px 16px;
    font-family: var(--ff-mono);
    font-size: 12.5px;
    line-height: 1.6;
    color: var(--panel-text);
    overflow-x: auto;
    margin: 12px 0;
    border-radius: 12px;
}
.app-main pre code { background: transparent; padding: 0; }
.app-main pre .c { color: var(--panel-text-2); }
.app-main pre .k { color: var(--panel-accent); }
.app-main pre .s { color: #ce9178; }

/* Panel — grouped content block, flat tonal surface */
.panel {
    background: var(--panel-1);
    border-radius: 20px;
    overflow: hidden;
    margin: 16px 0;
}
.panel-head {
    padding: 14px 22px;
    background: var(--panel-1);
    font-family: var(--ff-ui);
    font-size: 13px;
    letter-spacing: 0.005em;
    color: var(--panel-text-2);
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.panel-body { padding: 12px 16px; background: var(--panel-1); }
.panel-body > .row, .panel-body > div > .row { border-radius: 0; margin-bottom: 0; }
.panel-body > .row-form, .panel-body > form.row-form { margin-bottom: 0; }

/* Row — airy list item, tonal hover/select */
.row {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 12px;
    padding: 10px 20px;
    align-items: baseline;
    color: var(--panel-text);
    text-decoration: none;
    font-size: 13px;
    cursor: pointer;
    background: transparent;
    transition: background 80ms ease;
}
.row:nth-child(even) { background: var(--panel-2); }
.row:hover { background: var(--panel-hover); }
.row.active { background: var(--panel-select); font-weight: 500; }
.row.active:hover { background: var(--panel-select); filter: brightness(0.97); }
.row .code {
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--panel-text-2);
    letter-spacing: 0.02em;
}
.row .title { color: var(--panel-text); font-weight: 500; }
.row .sub { color: var(--panel-text-2); font-size: 12px; margin-left: 8px; font-weight: 400; }
.row .meta { color: var(--panel-text-2); font-size: 11px; text-align: right; font-family: var(--ff-ui); }

/* List — dense single-line item set, full-bleed. Drop into .app-main directly. */
.list {
    background: var(--panel-1);
    border-radius: 20px;
    overflow: hidden;
    margin: 8px 0;
}
.list-row {
    display: grid;
    grid-template-columns: 22px 18px 22px 200px 1fr auto 64px;
    gap: 12px;
    padding: 6px 16px;
    align-items: center;
    color: var(--panel-text-2);
    text-decoration: none;
    font-size: 13.5px;
    line-height: 1.2;
    cursor: pointer;
    background: transparent;
    transition: background 80ms ease;
    min-height: 36px;
}
.list-row:nth-child(even) { background: var(--panel-2); }
.list-row:hover { background: var(--panel-hover); }
.list-row.unread { color: var(--panel-text); font-weight: 600; }
.list-row .check {
    width: 18px; height: 18px;
    border-radius: 4px;
    background: var(--panel-2);
    display: inline-block;
    transition: background 80ms ease;
}
.list-row:hover .check { background: var(--panel-3); }
.list-row .star {
    color: var(--panel-text-3);
    font-family: var(--ff-ui);
    font-size: 14px;
    text-align: center;
    cursor: pointer;
}
.list-row .star.on { color: var(--sun, #e0a200); }
.list-row .glyph {
    color: var(--panel-text-3);
    font-family: var(--ff-ui);
    font-size: 14px;
    text-align: center;
}
.list-row.unread .glyph { color: var(--panel-accent); }

/* Category color separation — left-edge tint band + glyph color via [data-cat] */
.list-row[data-cat] { box-shadow: inset 4px 0 0 transparent; transition: background 80ms ease, box-shadow 80ms ease; }
.list-row[data-cat="kit"]     { box-shadow: inset 4px 0 0 var(--green); }
.list-row[data-cat="kit"] .glyph     { color: var(--green); }
.list-row[data-cat="deck"]    { box-shadow: inset 4px 0 0 var(--sun); }
.list-row[data-cat="deck"] .glyph    { color: var(--sun); }
.list-row[data-cat="preview"] { box-shadow: inset 4px 0 0 var(--purple); }
.list-row[data-cat="preview"] .glyph { color: var(--purple); }
.list-row[data-cat="doc"]     { box-shadow: inset 4px 0 0 var(--mascot); }
.list-row[data-cat="doc"] .glyph     { color: var(--mascot); }
.list-row[data-cat="external"] { box-shadow: inset 4px 0 0 var(--panel-text-3); }
.list-row[data-cat="external"] .glyph { color: var(--panel-text-3); }

/* Label chip color variants — match the category */
.label[data-cat="kit"]     { background: color-mix(in oklab, var(--green)  22%, var(--panel-2)); color: var(--panel-text); }
.label[data-cat="deck"]    { background: color-mix(in oklab, var(--sun)    24%, var(--panel-2)); color: var(--panel-text); }
.label[data-cat="preview"] { background: color-mix(in oklab, var(--purple) 26%, var(--panel-2)); color: var(--panel-text); }
.label[data-cat="doc"]     { background: color-mix(in oklab, var(--mascot) 22%, var(--panel-2)); color: var(--panel-text); }

/* Hover-reveal action strip on list rows */
.list-row .actions {
    display: inline-flex;
    gap: 2px;
    opacity: 0;
    transition: opacity 80ms ease;
}
.list-row:hover .actions { opacity: 1; }
.list-row:hover .meta .label { display: none; }
.list-row .actions .icon-btn {
    width: 28px; height: 28px;
    display: inline-flex; align-items: center; justify-content: center;
    background: transparent;
    color: var(--panel-text-2);
    border-radius: 999px;
    cursor: pointer;
    font-family: var(--ff-ui);
    font-size: 13px;
    transition: background 80ms ease;
}
.list-row .actions .icon-btn:hover { background: var(--panel-3); color: var(--panel-text); }
.list-row .from {
    color: inherit;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.list-row .subject {
    color: var(--panel-text-2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.list-row.unread .subject { color: var(--panel-text); }
.list-row .subject .preview {
    color: var(--panel-text-2);
    font-weight: 400;
    margin-left: 8px;
}
.list-row.unread .subject .preview { color: var(--panel-text-2); font-weight: 400; }
.list-row .meta {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    flex-shrink: 0;
}
.list-row .time {
    color: var(--panel-text-2);
    font-family: var(--ff-ui);
    font-size: 11px;
    text-align: right;
    white-space: nowrap;
}
.list-row.unread .time { color: var(--panel-text); font-weight: 600; }

/* Label chip — tonal pill that lives next to the subject */
.label {
    display: inline-flex;
    align-items: center;
    padding: 1px 8px;
    border-radius: 999px;
    font-family: var(--ff-ui);
    font-size: 10.5px;
    font-weight: 500;
    color: var(--panel-text-2);
    background: var(--panel-2);
    white-space: nowrap;
    text-transform: lowercase;
    letter-spacing: 0.04em;
}
.list-row:nth-child(even) .label { background: var(--panel-3); }
.label.accent { background: color-mix(in oklab, var(--panel-accent) 22%, var(--panel-2)); color: var(--panel-text); }

/* Category tabs — Primary / Promotions / Updates pattern */
.tabs {
    display: flex;
    gap: 0;
    margin: 0 0 8px 0;
    border-radius: 16px 16px 0 0;
    overflow: hidden;
    background: var(--panel-1);
}
.tabs a {
    flex: 1;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    color: var(--panel-text-2);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    background: transparent;
    transition: background 80ms ease, color 80ms ease, box-shadow 80ms ease;
    box-shadow: inset 0 -3px 0 transparent;
}
.tabs a:hover { background: var(--panel-hover); color: var(--panel-text); }
.tabs a.active {
    color: var(--panel-accent);
    box-shadow: inset 0 -3px 0 var(--panel-accent);
    background: var(--panel-1);
}
.tabs a .glyph { color: var(--panel-text-3); font-family: var(--ff-ui); }
.tabs a.active .glyph { color: var(--panel-accent); }

/* Toolbar — sits above .list, holds bulk actions, sticky while scrolling */
.list-toolbar {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: var(--panel-1);
    border-radius: 16px 16px 0 0;
    margin-top: 8px;
    color: var(--panel-text-2);
    font-size: 12px;
    position: sticky;
    top: 0;
    z-index: 10;
}
.list-toolbar + .list { border-radius: 0 0 16px 16px; margin-top: 0; }
.list-toolbar .icon-btn {
    width: 32px; height: 32px;
    display: inline-flex; align-items: center; justify-content: center;
    background: transparent;
    color: var(--panel-text-2);
    border-radius: 999px;
    cursor: pointer;
    font-family: var(--ff-ui);
    font-size: 14px;
    transition: background 80ms ease;
}
.list-toolbar .icon-btn:hover { background: var(--panel-hover); color: var(--panel-text); }
.list-toolbar .spacer { flex: 1; }
.list-toolbar .count { color: var(--panel-text-2); font-family: var(--ff-ui); font-size: 11px; padding: 0 8px; }

/* Floating action button — sidebar primary CTA */
.btn-fab {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin: 0 16px 16px 16px;
    padding: 14px 24px 14px 18px;
    background: var(--panel-2);
    color: var(--panel-text);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    border-radius: 999px;
    cursor: pointer;
    text-decoration: none;
    transition: background 80ms ease;
}
.btn-fab:hover { background: var(--panel-hover); }
.btn-fab .icon { font-family: var(--ff-ui); font-size: 18px; color: var(--panel-accent); }

/* Sidebar count badge */
.app-side a .count {
    margin-left: auto;
    color: var(--panel-text-2);
    font-family: var(--ff-ui);
    font-size: 11px;
}
.app-side a.active .count { color: var(--panel-text); font-weight: 600; }

/* CLI install block */
.cli {
    display: flex;
    align-items: stretch;
    background: var(--panel-1);
    border-radius: 16px;
    overflow: hidden;
    font-family: var(--ff-mono);
    font-size: 13px;
    max-width: 640px;
    margin: 12px 0;
}
.cli .prompt { padding: 10px 14px; color: var(--panel-accent); font-weight: 600; }
.cli .cmd { flex: 1; padding: 10px 0; color: var(--panel-text); }
.cli .copy {
    padding: 0 16px;
    background: var(--panel-2);
    color: var(--panel-text-2);
    cursor: pointer;
    font-size: 12px;
    letter-spacing: 0.01em;
    display: flex;
    align-items: center;
}
.cli .copy:hover { background: var(--panel-hover); color: var(--panel-text); }

/* Base input element styles — text-like inputs get tonal padding to match btn/textarea */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="number"],
input:not([type]) {
    padding: 8px 12px;
    background: var(--panel-2);
    color: var(--panel-text);
    font-family: var(--ff-ui);
    font-size: 14px;
    border-radius: 10px;
    border: 0;
    outline: 0;
    transition: background 80ms ease;
}
input[type="text"]:hover, input[type="text"]:focus,
input[type="email"]:hover, input[type="email"]:focus,
input[type="password"]:hover, input[type="password"]:focus,
input[type="search"]:hover, input[type="search"]:focus,
input[type="number"]:hover, input[type="number"]:focus,
input:not([type]):hover, input:not([type]):focus { background: var(--panel-3); }
input[type="text"]::placeholder, input[type="email"]::placeholder,
input[type="password"]::placeholder, input[type="search"]::placeholder,
input[type="number"]::placeholder, input:not([type])::placeholder { color: var(--panel-text-2); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: var(--panel-2);
    color: var(--panel-text);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    border-radius: 999px;
    cursor: pointer;
    text-decoration: none;
    transition: background 80ms ease;
}
.btn:hover { background: var(--panel-hover); }
.btn:active { background: var(--panel-3); }

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: var(--panel-accent);
    color: var(--panel-accent-fg);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    border-radius: 999px;
    cursor: pointer;
    text-decoration: none;
    transition: background 80ms ease, filter 80ms ease;
}
.btn-primary:hover { background: var(--panel-accent-2); }
.btn-primary:active { filter: brightness(0.94); }

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: transparent;
    color: var(--panel-text-2);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
    border-radius: 999px;
    transition: background 80ms ease;
}
.btn-ghost:hover { background: var(--panel-hover); color: var(--panel-text); }

/* Tag / chip */
.chip {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-family: var(--ff-ui);
    font-size: 11px;
    font-weight: 500;
    background: var(--panel-2);
    color: var(--panel-text);
}
.chip.accent { background: var(--panel-accent); color: var(--panel-accent-fg); }
.chip.dim { color: var(--panel-text-2); background: var(--panel-1); }

/* Status bar — accent-colored footer */
.app-status {
    height: 24px;
    background: var(--panel-accent);
    color: var(--panel-accent-fg);
    display: flex;
    align-items: center;
    padding: 0 14px;
    gap: 14px;
    font-family: var(--ff-ui);
    font-size: 11px;
    flex-shrink: 0;
}
.app-status .spread { flex: 1; }
.app-status .item { display: flex; align-items: center; gap: 4px; }
.app-status a { color: var(--panel-accent-fg); text-decoration: none; }

/* Key-value table — zebra, no rules */
.kv {
    width: 100%;
    max-width: 640px;
    background: var(--panel-1);
    border-radius: 16px;
    overflow: hidden;
    border-collapse: collapse;
    margin: 12px 0;
}
.kv td { padding: 10px 20px; font-size: 13px; }
.kv tr { transition: background 80ms ease; }
.kv tr:nth-child(even) { background: var(--panel-2); }
.kv tr:hover { background: var(--panel-hover); }
.kv td:first-child {
    color: var(--panel-text-2);
    font-family: var(--ff-ui);
    font-size: 12px;
    letter-spacing: 0.01em;
    width: 160px;
}
.kv td:last-child { color: var(--panel-text); }

/* Card grid — landing index */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 8px;
    margin: 12px 0 24px 0;
}
.card-item {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 10px;
    padding: 18px 20px;
    background: var(--panel-1);
    color: var(--panel-text);
    text-decoration: none;
    align-items: baseline;
    border-radius: 20px;
    transition: background var(--dur-base, 160ms) ease;
}
.card-item:hover { background: var(--panel-hover); }
.card-item .code {
    font-family: var(--ff-ui);
    font-size: 11px;
    color: var(--panel-accent);
    letter-spacing: 0.04em;
    font-weight: 600;
}
.card-item .name {
    font-size: 13px;
    font-weight: 500;
    color: var(--panel-text);
}

/* Readability floor across all surfaces */
.app-side .group { font-size: 13px; }
.app-side a { font-size: 15px; }
.app-side a .count { font-size: 13px; }
.tabs a { font-size: 15px; }
.list-toolbar .count { font-size: 13px; }
.list-row .from, .list-row .subject { font-size: 15px; }
.list-row .time, .label { font-size: 13px; }

/* Scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--panel-3); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--panel-hover); }
::-webkit-scrollbar-track { background: transparent; }

/* ============================================================
   Chat & AICat — message thread + composer
   Tonal panels, pill bubbles, monospace meta. Tokens-only.
   ============================================================ */

.chat {
    display: flex;
    flex-direction: column;
    background: var(--panel-1);
    border-radius: 20px;
    overflow: hidden;
    margin: 12px 0;
    max-width: 820px;
    min-height: 480px;
}
.chat-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--panel-1);
    color: var(--panel-text-2);
    font-family: var(--ff-ui);
    font-size: 13px;
    font-weight: 600;
}
.chat-head .dot {
    width: 8px; height: 8px; border-radius: 999px;
    background: var(--panel-accent);
    display: inline-block;
}
.chat-head .spread { flex: 1; }
.chat-head .sub { color: var(--panel-text-3); font-weight: 400; font-size: 12px; }

.chat-thread {
    flex: 1;
    padding: 18px 18px 8px 18px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: var(--panel-1);
}

.chat-msg {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    max-width: 92%;
}
.chat-msg.you {
    grid-template-columns: minmax(0, 1fr) 32px;
    margin-left: auto;
    justify-self: end;
}
.chat-msg.you .chat-stack { align-items: flex-end; }
.chat-msg.you .chat-bubble { background: var(--panel-accent); color: var(--panel-accent-fg); border-radius: 18px 18px 4px 18px; }
.chat-msg.you .chat-meta { justify-content: flex-end; }

.chat-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    min-width: 0;
}

.chat-avatar {
    width: 32px; height: 32px;
    border-radius: 999px;
    background: var(--panel-2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ff-mono);
    font-size: 14px;
    color: var(--panel-text);
    flex-shrink: 0;
    line-height: 1;
}
.chat-msg.them .chat-avatar { grid-column: 1; }
.chat-msg.you .chat-avatar  { grid-column: 2; background: var(--panel-accent); color: var(--panel-accent-fg); }

.chat-bubble {
    background: var(--panel-2);
    color: var(--panel-text);
    padding: 10px 14px;
    border-radius: 18px 18px 18px 4px;
    font-size: 14px;
    line-height: 1.5;
    text-align: left;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    max-width: 100%;
}

.chat-meta {
    display: flex;
    gap: 6px;
    font-family: var(--ff-mono);
    font-size: 10.5px;
    color: var(--panel-text-3);
    letter-spacing: 0.02em;
}

.chat-typing {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 12px 14px;
    background: var(--panel-2);
    border-radius: 18px 18px 18px 4px;
}
.chat-typing span {
    width: 6px; height: 6px;
    border-radius: 999px;
    background: var(--panel-text-3);
    animation: chat-bounce 1.2s infinite ease-in-out;
}
.chat-typing span:nth-child(2) { animation-delay: 0.18s; }
.chat-typing span:nth-child(3) { animation-delay: 0.36s; }
@keyframes chat-bounce {
    0%, 80%, 100% { opacity: 0.3; transform: translateY(0); }
    40% { opacity: 1; transform: translateY(-4px); }
}

.chat-composer {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 10px 12px;
    background: var(--panel-1);
}
.chat-composer textarea {
    flex: 1;
    background: var(--panel-2);
    color: var(--panel-text);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    padding: 10px 14px;
    border-radius: 18px;
    resize: none;
    min-height: 40px;
    max-height: 140px;
    border: 0;
    outline: 0;
    transition: background 80ms ease;
}
.chat-composer textarea:hover, .chat-composer textarea:focus { background: var(--panel-3); }
.chat-composer .send {
    flex-shrink: 0;
    width: 40px; height: 40px;
    border-radius: 999px;
    background: var(--panel-accent);
    color: var(--panel-accent-fg);
    display: inline-flex; align-items: center; justify-content: center;
    cursor: pointer;
    font-family: var(--ff-ui);
    font-size: 18px;
    transition: filter 80ms ease;
    border: 0;
}
.chat-composer .send:hover { filter: brightness(1.06); }
.chat-composer .send:disabled { background: var(--panel-3); color: var(--panel-text-3); cursor: not-allowed; }

/* AICat — cat-themed AI assistant chat variant */
.aicat-portrait {
    background: var(--panel-2);
    border-radius: 16px;
    padding: 18px 20px;
    margin: 12px 0;
    display: flex;
    gap: 16px;
    align-items: center;
    max-width: 820px;
}
.aicat-face {
    font-family: var(--ff-mono);
    font-size: 13px;
    line-height: 1.15;
    color: var(--panel-accent);
    white-space: pre;
    background: var(--panel-1);
    padding: 10px 14px;
    border-radius: 12px;
    margin: 0;
}
.aicat-meta { display: flex; flex-direction: column; gap: 4px; }
.aicat-meta .name { color: var(--panel-text); font-weight: 600; font-size: 15px; }
.aicat-meta .status { color: var(--panel-text-2); font-family: var(--ff-mono); font-size: 12px; }
.aicat-meta .status .dot { color: var(--panel-accent); }

.chat-msg.them.aicat .chat-avatar {
    background: var(--panel-2);
    color: var(--panel-accent);
    font-size: 11px;
    line-height: 1.0;
    letter-spacing: -0.5px;
}

/* Inline elements inside bubbles */
.chat-bubble a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.chat-bubble strong { font-weight: 600; }
.chat-bubble em { font-style: italic; }
.chat-bubble code.chat-tick {
    font-family: var(--ff-mono);
    font-size: 12px;
    background: rgba(0,0,0,0.18);
    padding: 1px 5px;
    border-radius: 5px;
}
.chat-msg.you .chat-bubble code.chat-tick { background: rgba(255,255,255,0.22); }

/* Markdown-lite block bubble */
.chat-md p { margin: 0 0 8px 0; }
.chat-md p:last-child { margin-bottom: 0; }
.chat-md ul { margin: 4px 0 4px 0; padding-left: 18px; }
.chat-md li { margin: 2px 0; }

/* Code attachment */
.chat-code {
    padding: 0;
    overflow: hidden;
    max-width: 100%;
    background: var(--panel-1);
    border-radius: 14px 14px 14px 6px;
    width: 100%;
    box-sizing: border-box;
}
.chat-msg.you .chat-code { border-radius: 14px 14px 6px 14px; background: var(--panel-1); color: var(--panel-text); }
.chat-code-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    background: var(--panel-2);
    color: var(--panel-text-2);
    font-family: var(--ff-mono);
    font-size: 11.5px;
    letter-spacing: 0.02em;
}
.chat-code-head .lang { color: var(--panel-accent); font-weight: 600; text-transform: lowercase; }
.chat-code-head .name { color: var(--panel-text-2); }
.chat-code pre {
    margin: 0;
    padding: 12px 14px;
    background: var(--panel-1);
    color: var(--panel-text);
    font-family: var(--ff-mono);
    font-size: 12.5px;
    line-height: 1.55;
    overflow-x: auto;
    max-width: 100%;
    box-sizing: border-box;
}
.chat-code pre code { background: transparent; padding: 0; font-family: inherit; font-size: inherit; }

/* Image attachment */
.chat-image {
    display: block;
    max-width: 100%;
    border-radius: 14px 14px 14px 6px;
    overflow: hidden;
    background: var(--panel-2);
    text-decoration: none;
    color: inherit;
}
.chat-msg.you .chat-image { border-radius: 14px 14px 6px 14px; }
.chat-image img { display: block; max-width: 360px; max-height: 320px; width: 100%; height: auto; object-fit: cover; }
.chat-image .cap {
    display: block;
    padding: 6px 12px 8px 12px;
    font-size: 12px;
    color: var(--panel-text-2);
}

/* PDF attachment */
.chat-pdf {
    background: var(--panel-2);
    border-radius: 14px 14px 14px 6px;
    overflow: hidden;
    max-width: 100%;
    width: 360px;
}
.chat-msg.you .chat-pdf { border-radius: 14px 14px 6px 14px; }
.chat-pdf-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    font-family: var(--ff-mono);
    font-size: 12px;
    color: var(--panel-text);
    background: var(--panel-1);
}
.chat-pdf-head .glyph { color: var(--mascot, #e0a200); font-size: 16px; }
.chat-pdf-head .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-pdf-head .size { color: var(--panel-text-3); font-size: 11px; }
.chat-pdf-head .open { color: var(--panel-accent); text-decoration: none; font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--panel-2); }
.chat-pdf-head .open:hover { filter: brightness(1.1); }
.chat-pdf embed { display: block; width: 100%; height: 280px; background: var(--panel-0); border: 0; }

/* Generic file attachment */
.chat-file {
    display: grid;
    grid-template-columns: 36px 1fr 28px;
    gap: 12px;
    align-items: center;
    background: var(--panel-2);
    color: var(--panel-text);
    text-decoration: none;
    padding: 10px 14px;
    border-radius: 14px 14px 14px 6px;
    max-width: 360px;
    transition: background 80ms ease;
}
.chat-msg.you .chat-file { border-radius: 14px 14px 6px 14px; background: rgba(255,255,255,0.18); color: var(--panel-accent-fg); }
.chat-file:hover { background: var(--panel-3); }
.chat-msg.you .chat-file:hover { background: rgba(255,255,255,0.28); }
.chat-file .glyph {
    width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--panel-1);
    color: var(--panel-accent);
    border-radius: 10px;
    font-family: var(--ff-mono);
    font-size: 16px;
}
.chat-msg.you .chat-file .glyph { background: rgba(0,0,0,0.18); color: var(--panel-accent-fg); }
.chat-file .meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.chat-file .name { font-size: 13px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-file .size { font-family: var(--ff-mono); font-size: 11px; color: var(--panel-text-3); letter-spacing: 0.02em; text-transform: uppercase; }
.chat-msg.you .chat-file .size { color: rgba(255,255,255,0.7); }
.chat-file .go { color: var(--panel-text-3); font-size: 14px; text-align: right; }
.chat-msg.you .chat-file .go { color: rgba(255,255,255,0.7); }

/* Link card */
.chat-link {
    display: flex;
    gap: 12px;
    background: var(--panel-2);
    color: var(--panel-text);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 14px 14px 14px 6px;
    max-width: 420px;
    transition: background 80ms ease;
}
.chat-msg.you .chat-link { border-radius: 14px 14px 6px 14px; background: rgba(255,255,255,0.18); color: var(--panel-accent-fg); }
.chat-link:hover { background: var(--panel-3); }
.chat-link .thumb { width: 64px; height: 64px; object-fit: cover; border-radius: 10px; flex-shrink: 0; background: var(--panel-1); }
.chat-link .meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.chat-link .host { font-family: var(--ff-mono); font-size: 10.5px; color: var(--panel-text-3); letter-spacing: 0.02em; text-transform: uppercase; }
.chat-msg.you .chat-link .host { color: rgba(255,255,255,0.7); }
.chat-link .title { font-size: 13px; font-weight: 600; line-height: 1.35; }
.chat-link .desc { font-size: 12px; color: var(--panel-text-2); line-height: 1.4; max-height: 2.8em; overflow: hidden; }
.chat-msg.you .chat-link .desc { color: rgba(255,255,255,0.78); }

/* Reactions */
.chat-reactions {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.chat-reactions .rxn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: var(--panel-2);
    color: var(--panel-text-2);
    border-radius: 999px;
    font-family: var(--ff-ui);
    font-size: 11.5px;
    line-height: 1.3;
    cursor: pointer;
    transition: background 80ms ease;
}
.chat-reactions .rxn:hover { background: var(--panel-3); }
.chat-reactions .rxn.you {
    background: color-mix(in oklab, var(--panel-accent) 26%, var(--panel-2));
    color: var(--panel-text);
}
.chat-reactions .rxn .e { font-size: 13px; }
.chat-reactions .rxn .n { font-family: var(--ff-mono); font-size: 11px; }

/* Meta meta — name + tick */
.chat-meta .who { color: var(--panel-text-2); font-family: var(--ff-ui); font-weight: 600; font-size: 11px; }
.chat-meta .tick { color: var(--panel-text-3); }
.chat-meta .tick.read { color: var(--panel-accent); }

/* Stack: when bubble is a card kind, give them a little gap */
.chat-stack > .chat-image,
.chat-stack > .chat-code,
.chat-stack > .chat-pdf,
.chat-stack > .chat-file,
.chat-stack > .chat-link { max-width: 100%; }

/* ============================================================
   ds-* utility classes — replace inline styles in components
   ============================================================ */

.ds-hero { padding: 32px 32px 24px 32px; }
.ds-hero-title { font-size: 36px; font-weight: 600; margin: 0 0 4px 0; color: var(--panel-text); letter-spacing: -0.01em; }
.ds-hero-body { font-size: 14px; line-height: 1.55; color: var(--panel-text-2); max-width: 64ch; margin: 0 0 20px 0; }
.ds-hero-accent { color: var(--panel-accent); font-weight: 500; }

.ds-section { padding: 20px 32px; }

.ds-link-accent { color: var(--panel-accent); text-decoration: none; }

.ds-changelog-row { grid-template-columns: 100px 70px 1fr; }
.ds-changelog-ver { color: var(--panel-accent); font-family: var(--ff-mono); font-size: 14px; }

.work-detail {
    padding: 14px 20px 18px 86px;
    background: var(--panel-2);
    color: var(--panel-text);
    font-size: 13px;
    line-height: 1.6;
}
.ds-work-body { margin: 0 0 12px 0; max-width: 64ch; }
.ds-work-actions { display: flex; gap: 8px; }

.panel.panel-inline { max-width: 560px; margin: 0; }
.panel.panel-wide  { max-width: 900px; }
.panel.panel-manifesto { /* width comes from style attr */ }

.ds-manifesto { padding: 20px 24px; font-size: 14px; line-height: 1.7; color: var(--panel-text); }
.ds-manifesto-para { margin: 0 0 12px 0; }
.ds-manifesto-para.dim { color: var(--panel-text-2); }

.ds-pattern-notes {
    padding: 14px 20px;
    font-size: 13px;
    line-height: 1.65;
    color: var(--panel-text-2);
}
.ds-pattern-notes p { margin: 0 0 8px 0; }
.ds-pattern-notes p:last-child { margin-bottom: 0; }

.ds-dot-live { color: var(--panel-accent); }
.ds-dot-idle { color: var(--panel-text-3); }

.crumb-right { margin-left: auto; display: flex; gap: 10px; align-items: center; }

/* ============================================================
   Marked block markdown inside .chat-md (rendered via innerHTML
   so styling applies to real tags rather than vnodes).
   ============================================================ */
.chat-md h1, .chat-md h2, .chat-md h3, .chat-md h4 {
    margin: 8px 0 6px 0;
    color: var(--panel-text);
    font-weight: 600;
    line-height: 1.25;
}
.chat-md h1 { font-size: 17px; }
.chat-md h2 { font-size: 15px; }
.chat-md h3 { font-size: 14px; }
.chat-md p { margin: 0 0 8px 0; }
.chat-md p:last-child { margin-bottom: 0; }
.chat-md ul, .chat-md ol { margin: 4px 0; padding-left: 18px; }
.chat-md li { margin: 2px 0; }
.chat-md blockquote {
    margin: 6px 0;
    padding: 4px 12px;
    border-left: 3px solid var(--panel-accent);
    color: var(--panel-text-2);
    background: var(--panel-1);
    border-radius: 0 6px 6px 0;
}
.chat-md hr { border: 0; border-top: 1px solid var(--panel-3); margin: 8px 0; }
.chat-md table { border-collapse: collapse; margin: 6px 0; font-size: 12.5px; }
.chat-md th, .chat-md td { padding: 4px 10px; border-bottom: 1px solid var(--panel-3); text-align: left; }
.chat-md a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.chat-md code {
    font-family: var(--ff-mono);
    font-size: 12px;
    background: rgba(0,0,0,0.18);
    padding: 1px 5px;
    border-radius: 5px;
}
.chat-msg.you .chat-md code { background: rgba(255,255,255,0.22); }
.chat-md pre {
    margin: 6px 0;
    padding: 10px 12px;
    background: var(--panel-1);
    border-radius: 8px;
    overflow-x: auto;
    font-family: var(--ff-mono);
    font-size: 12.5px;
}
.chat-md pre code { background: transparent; padding: 0; }


/* ============================================================
   File browser surfaces — FileRow, FileGrid, DropZone, FileViewer,
   modals. Rail color is keyed by [data-file-type] so consumers
   never apply .rail-* manually. The seven canonical types:
   dir image video audio code text archive document (+symlink, other).
   ============================================================ */

.ds-file-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--panel-1);
    border-radius: var(--r-3);
    margin-bottom: var(--space-3);
}
.ds-file-toolbar-left, .ds-file-toolbar-right {
    display: flex; align-items: center; gap: var(--space-2);
}

.ds-file-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.ds-file-row {
    display: grid;
    grid-template-columns: auto 28px 1fr auto auto;
    gap: var(--space-3);
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--panel-1);
    border-radius: var(--r-3);
    cursor: pointer;
    transition: background var(--dur-snap) var(--ease);
}
.ds-file-row:hover { background: var(--panel-hover); }
.ds-file-row.active { background: var(--panel-select); }
.ds-file-row > .code { font-family: var(--ff-mono); font-size: var(--fs-xs); color: var(--panel-text-3); }
.ds-file-row > .title { font-weight: 500; color: var(--panel-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-file-row > .meta { font-size: var(--fs-xs); color: var(--panel-text-3); white-space: nowrap; }

.ds-file-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 28px; height: 28px;
    font-family: var(--ff-mono);
    font-size: 16px;
    color: var(--panel-text-2);
}

/* File-type rail mapping — owned by [data-file-type] attribute */
.ds-file-row[data-file-type="image"]    { box-shadow: inset 4px 0 0 var(--sky); }
.ds-file-row[data-file-type="video"]    { box-shadow: inset 4px 0 0 var(--purple); }
.ds-file-row[data-file-type="audio"]    { box-shadow: inset 4px 0 0 var(--mascot); }
.ds-file-row[data-file-type="code"]     { box-shadow: inset 4px 0 0 var(--green); }
.ds-file-row[data-file-type="text"]     { box-shadow: inset 4px 0 0 var(--mascot); }
.ds-file-row[data-file-type="archive"]  { box-shadow: inset 4px 0 0 var(--flame); }
.ds-file-row[data-file-type="document"] { box-shadow: inset 4px 0 0 var(--sun); }
.ds-file-row[data-file-type="dir"]      { box-shadow: inset 4px 0 0 var(--green); }
.ds-file-row[data-file-type="symlink"]  { box-shadow: inset 4px 0 0 var(--sky); }
.ds-file-row[data-file-type="other"]    { box-shadow: inset 4px 0 0 var(--panel-text-3); }

.ds-file-icon[data-file-type="image"]    { color: var(--sky); }
.ds-file-icon[data-file-type="video"]    { color: var(--purple); }
.ds-file-icon[data-file-type="audio"]    { color: var(--mascot); }
.ds-file-icon[data-file-type="code"]     { color: var(--green); }
.ds-file-icon[data-file-type="text"]     { color: var(--mascot); }
.ds-file-icon[data-file-type="archive"]  { color: var(--flame); }
.ds-file-icon[data-file-type="document"] { color: var(--sun); }
.ds-file-icon[data-file-type="dir"]      { color: var(--green); }
.ds-file-icon[data-file-type="symlink"]  { color: var(--sky); }

.ds-file-actions { display: inline-flex; gap: 4px; }
.ds-file-act {
    width: 28px; height: 28px;
    display: inline-flex; align-items: center; justify-content: center;
    background: transparent;
    color: var(--panel-text-2);
    border-radius: var(--r-1);
    cursor: pointer;
    font-size: 14px;
    transition: background var(--dur-snap) var(--ease), color var(--dur-snap) var(--ease);
}
.ds-file-act:hover { background: var(--panel-2); color: var(--panel-text); }
.ds-file-act-warn:hover { background: var(--warn); color: var(--paper); }

.ds-file-empty {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: var(--space-7) var(--space-4);
    gap: var(--space-2);
    color: var(--panel-text-3);
    background: var(--panel-1);
    border-radius: var(--r-3);
}
.ds-file-empty-glyph { font-family: var(--ff-mono); font-size: 32px; }
.ds-file-empty-text { font-size: var(--fs-sm); }

/* DropZone */
.ds-dropzone {
    display: block;
    padding: var(--space-4);
    border-radius: var(--r-3);
    background: var(--panel-1);
    transition: background var(--dur-snap) var(--ease), box-shadow var(--dur-snap) var(--ease);
}
.ds-dropzone.dragover {
    background: var(--panel-select);
    box-shadow: inset 0 0 0 2px var(--green);
}
.ds-dropzone-inner {
    display: flex; align-items: center; gap: var(--space-3);
}
.ds-dropzone-glyph { font-family: var(--ff-mono); font-size: 20px; color: var(--green); }
.ds-dropzone-label { color: var(--panel-text-2); font-size: var(--fs-sm); flex: 1; }

/* Upload progress */
.ds-upload-progress {
    display: flex; flex-direction: column; gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--panel-1);
    border-radius: var(--r-3);
    margin-top: var(--space-3);
}
.ds-upload-item { display: grid; grid-template-columns: 1fr 120px 40px; gap: var(--space-3); align-items: center; }
.ds-upload-name { font-size: var(--fs-xs); color: var(--panel-text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-upload-bar { position: relative; height: 6px; background: var(--panel-2); border-radius: var(--r-pill); overflow: hidden; }
.ds-upload-fill {
    position: absolute; left: 0; top: 0; bottom: 0;
    background: var(--green);
    width: 0%;
    transition: width var(--dur-base) var(--ease);
}
/* Width set via attr — generated runtime via inline style is the only carve-out the kit allows. */
.ds-upload-fill[data-pct="0"] { width: 0%; }
.ds-upload-fill[data-pct="10"] { width: 10%; } .ds-upload-fill[data-pct="20"] { width: 20%; }
.ds-upload-fill[data-pct="30"] { width: 30%; } .ds-upload-fill[data-pct="40"] { width: 40%; }
.ds-upload-fill[data-pct="50"] { width: 50%; } .ds-upload-fill[data-pct="60"] { width: 60%; }
.ds-upload-fill[data-pct="70"] { width: 70%; } .ds-upload-fill[data-pct="80"] { width: 80%; }
.ds-upload-fill[data-pct="90"] { width: 90%; } .ds-upload-fill[data-pct="100"] { width: 100%; }
.ds-upload-pct { font-family: var(--ff-mono); font-size: var(--fs-xs); color: var(--panel-text-3); text-align: right; }
.ds-upload-item.done .ds-upload-fill { background: var(--live); }
.ds-upload-item.error .ds-upload-fill { background: var(--warn); }

/* BreadcrumbPath */
.ds-crumb-path { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; font-size: var(--fs-sm); }
.ds-crumb-seg {
    background: transparent; color: var(--panel-text-2);
    padding: var(--space-1) var(--space-2); border-radius: var(--r-1);
    cursor: pointer; font-family: var(--ff-ui); font-size: var(--fs-sm);
    transition: background var(--dur-snap) var(--ease), color var(--dur-snap) var(--ease);
}
.ds-crumb-seg:hover { background: var(--panel-2); color: var(--panel-text); }
.ds-crumb-seg.leaf { color: var(--panel-accent); font-weight: 600; }
.ds-crumb-sep { color: var(--panel-text-3); font-family: var(--ff-mono); }

/* Modal backdrop & shells */
.ds-modal-backdrop {
    position: fixed; inset: 0;
    background: color-mix(in oklab, var(--ink) 55%, transparent);
    display: flex; align-items: center; justify-content: center;
    padding: var(--space-4);
    z-index: 1000;
}
.ds-modal {
    background: var(--panel-1);
    color: var(--panel-text);
    border-radius: var(--r-3);
    padding: 0;
    max-width: min(92vw, 560px);
    max-height: 92vh;
    overflow: hidden;
    display: flex; flex-direction: column;
}
.ds-modal-small { max-width: min(92vw, 420px); }
.ds-modal-preview { max-width: min(96vw, 1080px); width: 100%; }
.ds-modal-head {
    padding: var(--space-3) var(--space-4);
    background: var(--panel-2);
    font-weight: 600;
    display: flex; align-items: center; gap: var(--space-3);
}
.ds-modal-body {
    padding: var(--space-4);
    overflow: auto;
}
.ds-modal-actions {
    padding: var(--space-3) var(--space-4);
    background: var(--panel-2);
    display: flex; gap: var(--space-2); justify-content: flex-end;
}
.ds-modal-input { width: 100%; }

/* FileViewer */
.ds-preview-head { box-shadow: inset 4px 0 0 var(--panel-text-3); }
.ds-preview-head[data-file-type="image"]    { box-shadow: inset 4px 0 0 var(--sky); }
.ds-preview-head[data-file-type="video"]    { box-shadow: inset 4px 0 0 var(--purple); }
.ds-preview-head[data-file-type="audio"]    { box-shadow: inset 4px 0 0 var(--mascot); }
.ds-preview-head[data-file-type="code"]     { box-shadow: inset 4px 0 0 var(--green); }
.ds-preview-head[data-file-type="text"]     { box-shadow: inset 4px 0 0 var(--mascot); }
.ds-preview-head[data-file-type="archive"]  { box-shadow: inset 4px 0 0 var(--flame); }
.ds-preview-head[data-file-type="document"] { box-shadow: inset 4px 0 0 var(--sun); }
.ds-preview-name { flex: 1; font-family: var(--ff-mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-preview-meta { color: var(--panel-text-3); font-size: var(--fs-xs); font-family: var(--ff-mono); }
.ds-preview-actions { display: inline-flex; gap: 4px; }
.ds-preview-body {
    flex: 1; overflow: auto;
    background: var(--panel-0);
    padding: var(--space-3);
    min-height: 200px;
    display: flex; align-items: center; justify-content: center;
}
.ds-preview-body[data-file-type="code"], .ds-preview-body[data-file-type="text"] {
    align-items: stretch; justify-content: stretch; padding: 0;
}
.ds-preview-media { max-width: 100%; max-height: 70vh; display: block; }
.ds-preview-audio { width: 100%; }
.ds-preview-fallback { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); color: var(--panel-text-3); padding: var(--space-6); }
.ds-preview-glyph { font-family: var(--ff-mono); font-size: 48px; color: var(--panel-text-3); }
.ds-preview-code, .ds-preview-text {
    margin: 0;
    padding: var(--space-4);
    background: var(--panel-2);
    color: var(--panel-text);
    font-family: var(--ff-mono);
    font-size: 12.5px;
    line-height: 1.55;
    overflow: auto;
    width: 100%;
    max-height: 70vh;
}
.ds-preview-code code, .ds-preview-text code { background: transparent; padding: 0; font-size: inherit; }

/* Large-screen responsive layout */
@media (min-width: 1280px) {
    .app-body { grid-template-columns: 300px 1fr; }
    .app-topbar { padding: 0 32px; }
    .app-main { padding: 24px 40px 96px 40px; }
}

@media (min-width: 1600px) {
    .app { max-width: 1600px; margin: 0 auto; }
    .app-body { grid-template-columns: 320px 1fr; }
    .app-topbar { padding: 0 40px; }
    .app-main { padding: 32px 56px 96px 56px; }
}

@media (min-width: 1920px) {
    .app { max-width: 1920px; }
    .app-body { grid-template-columns: 360px 1fr; }
}
.ds-preview-truncated { color: var(--panel-text-3); font-style: italic; padding: var(--space-2) 0 0 0; }


/* ============================================================
   KPI grid · row form · rails+dots · chip tones · empty · table clickable
   Moved from consumer (freddie dashboard + theme) — generic 247420 primitives.
   ============================================================ */

.kpi {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1px;
    background: var(--panel-2);
    padding: 1px;
    border-radius: 20px;
    overflow: hidden;
}
.kpi-card { background: var(--panel-1); padding: 14px 18px; }
.kpi-card .num {
    font-size: 1.75rem;
    color: var(--panel-text);
    font-weight: 400;
    font-family: var(--ff-mono);
}
.kpi-card .lbl {
    font-size: 0.75rem;
    color: var(--panel-text-2);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 2px;
}

.row-form {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 12px;
}
.row-form input { flex: 1; min-width: 140px; padding: 10px 12px; }

.chip.ok   { background: var(--green); color: #fff; }
.chip.miss { background: var(--warn);  color: #fff; }

.empty { color: var(--panel-text-3); padding: 12px 0; }

tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--panel-hover); }

.rail-green  { box-shadow: inset 4px 0 0 var(--green); }
.rail-purple { box-shadow: inset 4px 0 0 var(--purple); }
.rail-mascot { box-shadow: inset 4px 0 0 var(--mascot); }
.rail-sun    { box-shadow: inset 4px 0 0 var(--sun); }
.rail-flame  { box-shadow: inset 4px 0 0 var(--flame); }
.rail-sky    { box-shadow: inset 4px 0 0 var(--sky); }
.dot-green  { color: var(--green); }
.dot-purple { color: var(--purple); }
.dot-mascot { color: var(--mascot); }
.dot-sun    { color: var(--sun); }
.dot-flame  { color: var(--flame); }
.dot-sky    { color: var(--sky); }

.ds-section {
    margin: 32px 0;
    padding: 18px 22px;
    background: var(--panel-1);
    border-radius: 20px;
}
.ds-section .ds-section-title { margin-top: 0; }
.ds-section .ds-lede { opacity: 0.8; max-width: 60ch; }
.ds-section .row {
    border-radius: 10px;
    margin: 6px 0;
    padding: 10px 14px;
    background: var(--panel-2);
}
.ds-section .row .dot {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    margin-right: 8px;
    background: currentColor;
    opacity: 0.8;
}
.ds-section .row-benefit { opacity: 0.75; margin-top: 4px; font-style: italic; }
.ds-section .row .sub { opacity: 0.85; margin-top: 4px; }
.ds-section a.row { display: block; text-decoration: none; color: inherit; }
.ds-section a.row .code {
    font-family: var(--ff-mono);
    opacity: 0.6;
    margin-right: 12px;
}

/* ============================================================
   Responsive — collapse sidebar below 860px and turn it into
   a horizontal scroll-pill nav at the top of the main area
   ============================================================ */
@media (max-width: 860px) {
    .app-body { grid-template-columns: 1fr; }
    .app-side-shell {
        grid-row: 1;
        position: sticky;
        top: 56px;
        z-index: 90;
        background: var(--panel-0);
    }
    .app-side {
        height: auto;
        padding: 8px 12px;
        overflow-x: auto;
        overflow-y: hidden;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        border-bottom: 1px solid var(--panel-2);
    }
    .app-side .group { display: none; }
    .app-side > div, .app-side nav, .app-side > section {
        display: inline-flex;
        gap: 4px;
        flex-wrap: nowrap;
    }
    .app-side a {
        display: inline-flex;
        margin: 0 2px;
        padding: 6px 12px;
        border-radius: 999px;
        background: var(--panel-2);
        font-size: 12px;
    }
    .app-side a.active { background: var(--panel-accent); color: var(--panel-accent-fg); }
    .app-topbar { padding: 0 12px; gap: 8px; }
    .app-topbar .brand { font-size: 13px; }
    .app-topbar input[type=search] { min-width: 120px !important; max-width: 180px; }
    .app-main { padding: 12px 14px 80px 14px; }
    .app-crumb { padding: 6px 14px; }
}

@media (max-width: 480px) {
    .app-topbar .brand .leaf { display: none; }
    .app-topbar input[type=search] { display: none; }
    .app-main { padding: 10px 10px 80px 10px; }
    .panel-body { padding: 10px 12px; }
    .row { grid-template-columns: 60px 1fr auto; gap: 8px; padding: 8px 12px; font-size: 12px; }
    .row .meta { font-size: 10px; }
    h1 { font-size: 22px !important; }
}