/* Vitak base components: reset, type, buttons, fields, chips, cards, tables, dialogs, toasts, skeletons.
   Motion rule: animate transform and opacity only. Hover and press states use an overlay layer whose opacity changes. */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 var(--t-body)/1.5 var(--font); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; font-optical-sizing: auto; }
h1, h2, h3, h4, p, dl, dd, figure, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1 { font-size: var(--t-title1); line-height: 1.15; font-weight: 700; letter-spacing: -.022em; }
h2 { font-size: var(--t-headline); line-height: 1.3; font-weight: 600; letter-spacing: -.011em; }
h3 { font-size: var(--t-body); line-height: 1.35; font-weight: 600; }
a { color: var(--accent-text); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
button, input, select, textarea { font: inherit; color: inherit; }
img { max-width: 100%; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: var(--r-sm); }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: var(--s4); top: -64px; z-index: 100; background: var(--raised); color: var(--ink); padding: var(--s3) var(--s4); border-radius: var(--r-md); box-shadow: var(--shadow-2); transform: translateY(0); }
.skip:focus { top: var(--s4); }
.muted { color: var(--ink-muted); }
.faint { color: var(--ink-faint); }
.num { font-variant-numeric: tabular-nums; }
.eyebrow { font-size: var(--t-caption); line-height: 1.3; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-muted); }
.small { font-size: var(--t-footnote); line-height: 1.45; }
.stack { display: grid; gap: 14px; }
.stack-sm { display: grid; gap: var(--s2); }
.cluster { display: flex; flex-wrap: wrap; gap: var(--s2); align-items: center; }
.between { display: flex; gap: var(--s3); align-items: center; justify-content: space-between; flex-wrap: wrap; }
.grow { flex: 1 1 auto; min-width: 0; }

/* Buttons */
.btn { position: relative; isolation: isolate; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: var(--s2); min-height: var(--hit); padding: 0 var(--s4); border: 1px solid transparent; border-radius: var(--r-md); background: var(--accent); color: var(--on-accent); font-size: var(--t-subhead); font-weight: 600; line-height: 1; letter-spacing: -.005em; cursor: pointer; text-decoration: none; user-select: none; -webkit-tap-highlight-color: transparent; transition: transform var(--d-fast) var(--ease); }
.btn::before { content: ""; position: absolute; inset: 0; z-index: -1; background: currentColor; opacity: 0; transition: opacity var(--d-fast) var(--ease); }
.btn:hover::before { opacity: .10; }
.btn:active { transform: scale(.975); }
.btn:active::before { opacity: .16; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .45; cursor: not-allowed; transform: none; }
.btn[disabled]::before { opacity: 0; }
.btn-secondary { background: var(--raised); color: var(--ink); border-color: var(--line-strong); }
.btn-ghost { background: transparent; color: var(--accent-text); }
.btn-danger { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.btn-danger-solid { background: var(--danger); color: var(--on-danger); }
.btn-sm { min-height: 36px; padding: 0 var(--s3); font-size: var(--t-footnote); border-radius: var(--r-sm); }
.btn-icon { width: var(--hit); padding: 0; }
.btn-icon.btn-sm { width: 36px; }
.btn .icon { width: 18px; height: 18px; flex: none; }
.btn.is-loading { color: transparent !important; pointer-events: none; }
.btn.is-loading::after { content: ""; position: absolute; left: 50%; top: 50%; width: 16px; height: 16px; margin: -8px 0 0 -8px; border: 2px solid currentColor; border-color: var(--on-accent) transparent var(--on-accent) transparent; border-radius: 50%; animation: spin .7s linear infinite; }
.btn-secondary.is-loading::after, .btn-ghost.is-loading::after, .btn-danger.is-loading::after { border-color: var(--ink) transparent var(--ink) transparent; }
.icon { width: 20px; height: 20px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* Fields */
.field { display: grid; gap: 6px; font-size: var(--t-footnote); font-weight: 600; color: var(--ink); }
.field .hint { font-weight: 400; color: var(--ink-muted); }
.input, .field input:not([type="checkbox"]):not([type="radio"]):not([type="file"]), .field textarea, .field select, .select select { width: 100%; min-height: var(--hit); padding: 0 var(--s3); border: 1px solid var(--line-strong); border-radius: var(--r-md); background: var(--raised); color: var(--ink); font-size: var(--t-body); font-weight: 400; line-height: 1.3; }
.field textarea { padding: var(--s3); min-height: 96px; resize: vertical; line-height: 1.45; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); opacity: 1; }
.field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible { outline: 3px solid var(--focus); outline-offset: 0; border-color: transparent; }
.field input[type="file"] { font-size: var(--t-footnote); font-weight: 400; padding: var(--s2) 0; }
.select { position: relative; display: block; }
.select select { appearance: none; -webkit-appearance: none; padding-right: 40px; cursor: pointer; }
.select::after { content: ""; position: absolute; right: 16px; top: 50%; width: 7px; height: 7px; margin-top: -6px; border-right: 2px solid var(--ink-muted); border-bottom: 2px solid var(--ink-muted); transform: rotate(45deg); pointer-events: none; }
.check { display: flex; align-items: flex-start; gap: var(--s3); min-height: 36px; font-size: var(--t-subhead); cursor: pointer; }
.check input { flex: none; width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--accent); }
/* Switch */
.switch { position: relative; flex: none; width: 51px; height: 31px; margin: 0; appearance: none; -webkit-appearance: none; border-radius: var(--r-pill); background: var(--line-strong); cursor: pointer; transition: background-color var(--d-med) var(--ease); }
.switch::after { content: ""; position: absolute; left: 2px; top: 2px; width: 27px; height: 27px; border-radius: 50%; background: #fff; box-shadow: 0 2px 4px rgb(0 0 0 / .25); transition: transform var(--d-med) var(--ease-spring); }
.switch:checked { background: var(--accent); }
.switch:checked::after { transform: translateX(20px); }
.switch:disabled { opacity: .5; cursor: not-allowed; }
.toggle-row { display: flex; gap: var(--s4); align-items: center; justify-content: space-between; padding: var(--s3) 0; border-top: 1px solid var(--line); }
.toggle-row:first-child { border-top: 0; }
/* Segmented control */
.seg { display: inline-flex; padding: 3px; gap: 2px; border-radius: var(--r-md); background: var(--neutral-soft); }
.seg button { position: relative; min-height: 34px; padding: 0 var(--s3); border: 0; border-radius: calc(var(--r-md) - 3px); background: transparent; color: var(--ink-muted); font-size: var(--t-footnote); font-weight: 600; cursor: pointer; transition: transform var(--d-fast) var(--ease); }
.seg button:active { transform: scale(.96); }
.seg button[aria-pressed="true"], .seg button[aria-selected="true"] { background: var(--raised); color: var(--ink); box-shadow: var(--shadow-1); }

/* Status chip: one dot-and-label system for every status in the product */
.chip { display: inline-flex; align-items: center; gap: 6px; min-height: 24px; padding: 2px 10px 2px 8px; border-radius: var(--r-pill); background: var(--neutral-soft); color: var(--neutral); font-size: var(--t-caption); font-weight: 600; line-height: 1.2; white-space: nowrap; }
.chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: none; }
.chip-success { background: var(--success-soft); color: var(--success); }
.chip-warning { background: var(--warning-soft); color: var(--warning); }
.chip-danger { background: var(--danger-soft); color: var(--danger); }
.chip-info { background: var(--info-soft); color: var(--info); }
.chip-unknown::before { background: transparent; box-shadow: inset 0 0 0 1.5px currentColor; }
.chip-plain::before { display: none; }
.chip-plain { padding-left: 10px; }
.count { display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 6px; border-radius: var(--r-pill); background: var(--accent); color: var(--on-accent); font-size: 11px; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }

/* Cards */
.card { background: var(--raised); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 20px; box-shadow: var(--shadow-1); min-width: 0; }
.card-flush { padding: 0; overflow: hidden; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s3); margin-bottom: var(--s4); flex-wrap: wrap; }
.card-head p { margin-top: 2px; }
.card + .card { margin-top: 0; }
.notice { display: flex; gap: var(--s3); align-items: flex-start; padding: var(--s3) var(--s4); border-radius: var(--r-md); background: var(--info-soft); color: var(--ink); font-size: var(--t-subhead); }
.notice .icon { color: var(--info); margin-top: 1px; }
.notice-warning { background: var(--warning-soft); } .notice-warning .icon { color: var(--warning); }
.notice-danger { background: var(--danger-soft); } .notice-danger .icon { color: var(--danger); }

/* Key-value and tables */
.kv { display: grid; grid-template-columns: minmax(96px, 36%) minmax(0, 1fr); gap: var(--s2) var(--s4); font-size: var(--t-subhead); }
.kv dt { color: var(--ink-muted); }
.kv dd { overflow-wrap: anywhere; }
.table-wrap { overflow-x: auto; margin: 0 calc(var(--s5) * -1); padding: 0 var(--s5); }
.table { width: 100%; border-collapse: collapse; font-size: var(--t-subhead); font-variant-numeric: tabular-nums; }
.table th { text-align: left; padding: var(--s2) var(--s3); border-bottom: 1px solid var(--line); color: var(--ink-muted); font-size: var(--t-caption); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }
.table td { padding: var(--s3); border-bottom: 1px solid var(--line); vertical-align: middle; overflow-wrap: break-word; }
.table tr:last-child td { border-bottom: 0; }
.table .r { text-align: right; white-space: nowrap; }

/* Meter */
.meter { height: 8px; border-radius: var(--r-pill); background: var(--neutral-soft); overflow: hidden; }
.meter > i { display: block; height: 100%; width: 100%; border-radius: inherit; background: var(--accent); transform-origin: left center; transform: scaleX(var(--v, 0)); transition: transform var(--d-slow) var(--ease); }
.meter.warn > i { background: var(--warning); } .meter.bad > i { background: var(--danger); }

/* Empty, skeleton */
.empty { display: grid; justify-items: center; gap: var(--s2); padding: var(--s5) var(--s4); text-align: center; color: var(--ink-muted); }
.empty .icon { width: 32px; height: 32px; color: var(--ink-faint); }
.empty h3 { color: var(--ink); }
.empty p { max-width: 38ch; font-size: var(--t-subhead); }
.skeleton { position: relative; overflow: hidden; border-radius: var(--r-md); background: var(--neutral-soft); min-height: 72px; }
.skeleton::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgb(255 255 255 / .35), transparent); transform: translateX(-100%); animation: shimmer 1.4s var(--ease) infinite; }
:root[data-theme="dark"] .skeleton::after { background: linear-gradient(90deg, transparent, rgb(255 255 255 / .06), transparent); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .skeleton::after { background: linear-gradient(90deg, transparent, rgb(255 255 255 / .06), transparent); } }

/* Dialog (sheet) */
dialog.sheet { width: min(480px, calc(100vw - 32px)); max-height: calc(100vh - 48px); padding: var(--s5); border: 1px solid var(--line); border-radius: 20px; background: var(--raised); color: var(--ink); box-shadow: var(--shadow-3); overflow: auto; }
dialog.sheet::backdrop { background: var(--overlay); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
dialog.sheet[open] { animation: sheet-in var(--d-med) var(--ease); }
dialog.sheet[open]::backdrop { animation: fade-in var(--d-med) var(--ease); }
dialog.sheet h2 { font-size: var(--t-title3); letter-spacing: -.015em; margin-bottom: var(--s2); }
dialog.sheet .sheet-body { display: grid; gap: var(--s4); }
dialog.sheet .sheet-actions { display: flex; gap: var(--s2); justify-content: flex-end; margin-top: var(--s5); flex-wrap: wrap; }
dialog.sheet .sheet-text { color: var(--ink-muted); white-space: pre-wrap; }

/* Toast */
.toasts { position: fixed; z-index: 80; right: var(--s5); bottom: var(--s5); display: grid; gap: var(--s2); justify-items: end; pointer-events: none; }
.toast { pointer-events: auto; max-width: min(400px, calc(100vw - 32px)); display: flex; gap: var(--s3); align-items: center; padding: var(--s3) var(--s4); border-radius: var(--r-md); background: var(--ink); color: var(--bg); font-size: var(--t-subhead); box-shadow: var(--shadow-3); animation: toast-in var(--d-med) var(--ease); cursor: pointer; }
.toast.is-error { background: var(--danger); color: var(--on-danger); }
.toast.is-leaving { animation: toast-out var(--d-fast) var(--ease) forwards; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shimmer { to { transform: translateX(100%); } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes sheet-in { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateY(8px); } }
@keyframes view-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (max-width: 720px) {
  .toasts { left: var(--s4); right: var(--s4); bottom: calc(var(--s4) + env(safe-area-inset-bottom)); justify-items: stretch; }
  .toast { max-width: none; }
  dialog.sheet { width: calc(100vw - 24px); margin-bottom: calc(12px + env(safe-area-inset-bottom)); }
  .kv { grid-template-columns: 1fr; gap: 2px; } .kv dd { margin-bottom: var(--s2); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
  .skeleton::after { display: none; }
  .btn.is-loading::after { animation: spin 1.5s linear infinite !important; animation-iteration-count: infinite !important; }
}