/* primitives.css — base styles and small components built only from tokens.css.
   Load order: fonts <link>, tokens.css, primitives.css, then your page CSS. */

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
ul, ol { padding-left: var(--space-5); }
hr { border: 0; border-top: 1px solid var(--border); }
small { font-size: var(--fs-sm); }
code, kbd, pre, samp { font-family: var(--font-mono); font-size: var(--fs-sm); }
pre { background: var(--surface-2); padding: var(--space-4); border-radius: var(--radius-md); overflow-x: auto; }
:not(pre) > code { background: var(--surface-2); padding: 0 var(--space-1); border-radius: var(--radius-sm); }
mark { background: var(--warning-subtle); color: var(--text); }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
::selection { background: var(--accent-subtle); color: var(--text); }

h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); font-weight: var(--weight-display); line-height: var(--lh-tight); text-wrap: balance; }
h1 { font-size: var(--fs-4xl); letter-spacing: -0.02em; }
h2 { font-size: var(--fs-3xl); letter-spacing: -0.02em; }
h3 { font-size: var(--fs-xl); line-height: var(--lh-snug); }
h4 { font-size: var(--fs-lg); line-height: var(--lh-snug); }
h5, h6 { font-size: var(--fs-base); line-height: var(--lh-snug); }
p { text-wrap: pretty; }

/* ---------- layout ---------- */
.container { width: min(100% - 2 * var(--space-4), 72rem); margin-inline: auto; }
.section { padding-block: var(--space-8); }
.stack { display: flex; flex-direction: column; gap: var(--space-4); }
.stack-sm { display: flex; flex-direction: column; gap: var(--space-2); }
.stack-lg { display: flex; flex-direction: column; gap: var(--space-7); }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); }
.grid { display: grid; gap: var(--space-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); }
.split { display: grid; gap: var(--space-6); align-items: center; grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }
.prose { max-width: var(--measure); }
.prose > * + * { margin-top: var(--space-4); }
.prose > :is(h2, h3) { margin-top: var(--space-7); }

/* ---------- text ---------- */
.muted { color: var(--text-muted); }
.lead { font-size: var(--fs-lg); color: var(--text-muted); max-width: var(--measure); }
.mono { font-family: var(--font-mono); }
.num, .table .num { font-variant-numeric: tabular-nums; text-align: right; }

/* ---------- controls ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: var(--control-h); padding: 0 var(--space-4);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  background: var(--surface); color: var(--text);
  font-size: var(--fs-base); font-weight: 500; text-decoration: none; white-space: nowrap;
  transition: background-color var(--dur-fast) var(--ease-std), border-color var(--dur-fast) var(--ease-std), transform var(--dur-fast) var(--ease-out);
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn:disabled, .btn[aria-disabled="true"] { background: var(--disabled-bg); border-color: var(--disabled-bg); color: var(--disabled-text); cursor: not-allowed; transform: none; }

.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field > label { font-size: var(--fs-sm); font-weight: 500; }
.input {
  width: 100%; min-height: var(--control-h); padding: 0 var(--space-3);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  background: var(--surface); color: var(--text); font-size: var(--fs-base);
  transition: border-color var(--dur-fast) var(--ease-std);
}
textarea.input { padding: var(--space-3); min-height: 6rem; }
.input:focus-visible { outline: 2px solid var(--focus); outline-offset: 0; border-color: var(--focus); }
.input:disabled { background: var(--disabled-bg); color: var(--disabled-text); }
.input[aria-invalid="true"] { border-color: var(--danger); }
.hint { font-size: var(--fs-sm); color: var(--text-muted); }
.error-text { font-size: var(--fs-sm); color: var(--danger); }
input[type="checkbox"], input[type="radio"] { accent-color: var(--accent); width: 1.125rem; height: 1.125rem; }
.check { display: inline-flex; align-items: center; gap: var(--space-2); min-height: var(--control-h); }
input.switch {
  appearance: none; position: relative; flex-shrink: 0; width: 2.5rem; height: 1.5rem;
  border-radius: var(--radius-full); background: var(--border); cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-std);
}
input.switch::before {
  content: ""; position: absolute; top: 2px; left: 2px; width: 1.25rem; height: 1.25rem;
  border-radius: 50%; background: var(--surface); box-shadow: var(--shadow-1);
  transition: transform var(--dur-fast) var(--ease-out);
}
input.switch:checked { background: var(--accent); }
input.switch:checked::before { transform: translateX(1rem); }
input.switch:disabled { background: var(--disabled-bg); cursor: not-allowed; }
.icon-btn {
  display: inline-grid; place-items: center; flex-shrink: 0; width: var(--control-h); height: var(--control-h);
  border-radius: var(--radius-md); color: var(--text-muted);
  transition: background-color var(--dur-fast) var(--ease-std), transform var(--dur-fast) var(--ease-out);
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn:active { transform: scale(0.96); }
.icon-btn:disabled { color: var(--disabled-text); cursor: not-allowed; transform: none; }

/* ---------- surfaces ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); }
.panel { background: var(--surface-2); border-radius: var(--radius-lg); padding: var(--space-5); }
.badge {
  display: inline-flex; align-items: center; gap: var(--space-1); padding: 0 var(--space-2);
  border-radius: var(--radius-full); background: var(--surface-2); color: var(--text);
  font-size: var(--fs-xs); font-weight: 500; white-space: nowrap;
}
.badge-success { background: var(--success-subtle); color: var(--success); }
.badge-warning { background: var(--warning-subtle); color: var(--warning); }
.badge-danger { background: var(--danger-subtle); color: var(--danger); }
.badge-info { background: var(--info-subtle); color: var(--info); }
.alert { padding: var(--space-3) var(--space-4); border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-2); }
.alert-success { background: var(--success-subtle); border-color: var(--success); }
.alert-warning { background: var(--warning-subtle); border-color: var(--warning); }
.alert-danger { background: var(--danger-subtle); border-color: var(--danger); }
.alert-info { background: var(--info-subtle); border-color: var(--info); }
/* 1px inner edge so photos and screenshots don't melt into the page */
.avatar, .frame { outline: 1px solid color-mix(in srgb, var(--text) 10%, transparent); outline-offset: -1px; }
.avatar { flex-shrink: 0; width: var(--space-7); height: var(--space-7); border-radius: 50%; object-fit: cover; }
.frame { border-radius: var(--radius-md); }

/* ---------- overlays (native popover and <dialog>, no JS needed) ---------- */
.menu, .toast, .dialog, .drawer { border: 1px solid var(--border); background: var(--surface); color: var(--text); box-shadow: var(--shadow-2); }
/* Enter takes --dur-base, exit takes --dur-fast. Transitions, so a fast re-click interrupts cleanly. */
.menu, .toast, .dialog {
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out),
    display var(--dur-fast) allow-discrete, overlay var(--dur-fast) allow-discrete;
}
.menu:popover-open, .toast:popover-open, .dialog[open] { opacity: 1; transform: none; transition-duration: var(--dur-base); }

/* <button popovertarget="m">…</button> <div id="m" popover class="menu">…</div> — grows from the trigger */
.menu {
  position: absolute; inset: auto; margin: var(--space-1) 0 0;
  top: anchor(bottom); left: anchor(left); position-try-fallbacks: flip-block, flip-inline;
  min-width: 12rem; padding: var(--space-1); border-radius: var(--radius-md);
  transform: scale(0.95); transform-origin: top left;
}
.menu-item {
  display: flex; align-items: center; gap: var(--space-2); width: 100%; min-height: var(--control-h);
  padding: 0 var(--space-3); border-radius: var(--radius-sm); color: var(--text); text-align: left; text-decoration: none;
}
.menu-item:hover, .menu-item:focus-visible { background: var(--surface-2); }

/* <div popover="manual" class="toast" role="status"> — el.showPopover(), then hidePopover() after a few seconds */
.toast {
  position: fixed; inset: auto var(--space-4) var(--space-4) auto; margin: 0;
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); transform: translateY(var(--space-3));
}

/* <button command="show-modal" commandfor="d">…</button> <dialog id="d" class="dialog" closedby="any"> — stays centered */
.dialog { width: min(32rem, 100% - 2 * var(--space-4)); margin: auto; padding: var(--space-5); border-radius: var(--radius-lg); transform: scale(0.96); }
/* <dialog class="drawer"> — slides in from the right edge */
.drawer {
  inset: 0 0 0 auto; margin: 0; width: min(24rem, 100%); height: 100dvh; max-height: none;
  padding: var(--space-5); border-width: 0 0 0 1px; transform: translateX(100%);
  transition: transform var(--dur-base) var(--ease-drawer), display var(--dur-base) allow-discrete, overlay var(--dur-base) allow-discrete;
}
.drawer[open] { transform: none; transition-duration: var(--dur-slow); }
.dialog::backdrop, .drawer::backdrop {
  background: rgb(0 0 0 / 0.4); opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out), display var(--dur-fast) allow-discrete, overlay var(--dur-fast) allow-discrete;
}
.dialog[open]::backdrop, .drawer[open]::backdrop { opacity: 1; transition-duration: var(--dur-base); }
@starting-style {
  .menu:popover-open { opacity: 0; transform: scale(0.95); }
  .toast:popover-open { opacity: 0; transform: translateY(var(--space-3)); }
  .dialog[open] { opacity: 0; transform: scale(0.96); }
  .drawer[open] { transform: translateX(100%); }
  .dialog[open]::backdrop, .drawer[open]::backdrop { opacity: 0; }
}

/* <button class="icon-btn" aria-label="Copy" data-tip="Copy">. The first tip waits 400ms;
   once one has shown, the next ones appear at once (--tip-warm turns 1 after 400ms of hovering and
   falls back to 0 half a second after the pointer leaves the last tip). */
@property --tip-warm { syntax: "<number>"; inherits: true; initial-value: 0; }
@keyframes tip-warm { to { --tip-warm: 1; } }
:root { transition: --tip-warm 0s 500ms; }
:root:has([data-tip]:hover) { animation: tip-warm 0s 400ms forwards; }
[data-tip] { position: relative; }
[data-tip]::after {
  content: attr(data-tip); position: absolute; bottom: calc(100% + var(--space-1)); left: 50%; translate: -50% 0;
  padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm); background: var(--text); color: var(--bg);
  font-size: var(--fs-xs); font-weight: 400; line-height: var(--lh-snug); white-space: nowrap; pointer-events: none;
  opacity: 0; transform: scale(0.97); transform-origin: bottom center;
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
[data-tip]:hover::after, [data-tip]:focus-visible::after {
  opacity: 1; transform: none;
  transition-delay: calc((1 - var(--tip-warm)) * 400ms);
  transition-duration: calc((1 - var(--tip-warm)) * var(--dur-fast));
}

/* ---------- navigation ---------- */
.nav { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-4); padding-block: var(--space-3); }
.nav ul { display: flex; flex-wrap: wrap; gap: var(--space-4); padding: 0; list-style: none; }
.nav a { display: inline-flex; align-items: center; justify-content: center; min-height: var(--control-h); min-width: var(--control-h); color: var(--text); text-decoration: none; }
.tabs { display: flex; gap: var(--space-1); border-bottom: 1px solid var(--border); overflow-x: auto; }
.tab { min-height: var(--control-h); min-width: var(--control-h); padding: 0 var(--space-3); border-bottom: 2px solid transparent; color: var(--text-muted); white-space: nowrap; }
.tab[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
.footer { border-top: 1px solid var(--border); padding-block: var(--space-6); color: var(--text-muted); font-size: var(--fs-sm); }

/* ---------- data ---------- */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.table th, .table td { padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--border); text-align: left; }
.table th { color: var(--text-muted); font-weight: 500; white-space: nowrap; }
.table tbody tr:hover { background: var(--surface-2); }
.stat { display: flex; flex-direction: column; gap: var(--space-1); }
.stat-label { font-size: var(--fs-sm); color: var(--text-muted); }
.stat-value { font-family: var(--font-display); font-size: var(--fs-2xl); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }

/* ---------- states ---------- */
.skeleton { display: block; min-height: 1em; border-radius: var(--radius-sm); background: var(--surface-2); }
.empty { display: flex; flex-direction: column; align-items: center; gap: var(--space-3); padding: var(--space-7) var(--space-4); text-align: center; color: var(--text-muted); }
.spinner { width: 1em; height: 1em; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 600ms linear infinite; }
@keyframes spin { to { transform: rotate(1turn); } }

/* View states: <section data-states="filled loading empty error" data-state="filled">, each child marked
   data-when="loading" etc. Only the children for the current data-state show; the gate flips through them. */
[data-state="filled"] > [data-when]:not([data-when~="filled"]),
[data-state="loading"] > [data-when]:not([data-when~="loading"]),
[data-state="empty"] > [data-when]:not([data-when~="empty"]),
[data-state="error"] > [data-when]:not([data-when~="error"]),
[data-state="denied"] > [data-when]:not([data-when~="denied"]),
[data-state="offline"] > [data-when]:not([data-when~="offline"]),
[data-state="partial"] > [data-when]:not([data-when~="partial"]) { display: none !important; }

/* Things seen 100+ times a day (command palette, keyboard-driven lists) never animate. */
[data-freq="constant"], [data-freq="constant"] *, [data-freq="constant"] *::before, [data-freq="constant"] *::after { transition: none !important; animation: none !important; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* Reduced motion: keep the fades, drop movement, scale and blur. Things still ease in, they just don't travel. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after, ::backdrop {
    transition-property: opacity, color, background-color, border-color, outline-color, box-shadow, display, overlay, --tip-warm !important;
    scroll-behavior: auto !important;
  }
  *:not(.spinner), *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}