/* Porchnote components. Reads tokens.css only. Hairlines, plates, one lit color. */
.pn-root, .pn-btn, .pn-field, .pn-plate, .pn-rows, .pn-copy, .pn-toggle, .pn-badge, .pn-loading, .pn-empty { --_i: calc(var(--pn-intensity, 0.5) * 2); box-sizing: border-box; font-family: var(--font-sans); }
.pn-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Button */
.pn-btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--pn-space-2); min-height: 44px; padding: 0 var(--pn-space-4); border: var(--pn-hairline) solid var(--pn-stroke-edge); border-radius: var(--pn-radius-md); background: var(--pn-plate); color: var(--pn-fg); font-size: 15px; font-weight: 500; line-height: 1; cursor: pointer; transition: transform var(--pn-dur-settle, 460ms) var(--pn-ease-settle, ease-out), border-color var(--pn-dur-settle, 460ms) linear, background-color var(--pn-dur-settle, 460ms) linear; }
.pn-btn-sm { min-height: 36px; padding: 0 var(--pn-space-3); font-size: 14px; }
.pn-btn:hover, .pn-btn:focus-visible { border-color: var(--pn-stroke-hi); transform: translateY(calc(var(--pn-lift, 2px) * var(--_i) * -1)); transition-duration: var(--pn-dur-answer, 140ms); transition-timing-function: var(--pn-ease-answer, ease-out); }
.pn-btn:active { transform: translateY(calc(var(--pn-press, 1px) * var(--_i))); transition-duration: 60ms; }
.pn-btn:focus-visible, .pn-input:focus-visible, .pn-toggle:focus-visible, .pn-row-btn:focus-visible, .pn-copy-btn:focus-visible { outline: var(--pn-focus-width, 2px) solid var(--pn-focus-ring); outline-offset: var(--pn-focus-width, 2px); }
.pn-btn-primary { background: var(--pn-fg); border-color: var(--pn-fg); color: var(--pn-bg); }
.pn-btn-lit { background: var(--pn-accent); border-color: var(--pn-ink); color: var(--pn-accent-fg); }
.pn-btn:disabled { cursor: not-allowed; transform: none; border-style: dashed; border-color: var(--pn-stroke-edge); background: var(--pn-plate); color: var(--pn-fg-muted); }

.pn-btn[aria-busy="true"], .pn-btn[aria-busy="true"]:hover, .pn-btn[aria-busy="true"]:focus-visible, .pn-btn[aria-busy="true"]:active { cursor: progress; transform: none; }
.pn-btn .pn-loader { color: inherit; }

/* Loader: three note lines that write themselves. The one loop in the system. */
.pn-loader { display: inline-block; flex: none; width: 40px; height: 40px; color: var(--pn-stroke-hi); }
.pn-loader-sm { width: 16px; height: 16px; }
.pn-loader svg { display: block; width: 100%; height: 100%; overflow: visible; }
.pn-loader path { fill: none; stroke: currentColor; stroke-width: 1.5px; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.pn-loader [data-track] { stroke-opacity: 0.28; }
.pn-loader [data-ink] { stroke-dasharray: 1 1; stroke-dashoffset: 1; animation: pn-write 1500ms var(--pn-ease-answer, ease-out) infinite; }
.pn-loader [data-ink="2"] { animation-delay: 180ms; }
.pn-loader [data-ink="3"] { animation-delay: 360ms; }
@keyframes pn-write { 0% { stroke-dashoffset: 1; opacity: 1; } 35% { stroke-dashoffset: 0; opacity: 1; } 78% { stroke-dashoffset: 0; opacity: 1; } 100% { stroke-dashoffset: 0; opacity: 0; } }

/* LoadingState */
.pn-loading { display: grid; justify-items: center; gap: var(--pn-space-3); padding: var(--pn-space-12) var(--pn-space-6); color: var(--pn-fg); text-align: center; }
.pn-loading-title { font: 700 18px/26px var(--font-sans); }
.pn-loading-hint { max-width: 44ch; font: 400 14px/22px var(--font-sans); color: var(--pn-fg-muted); }
.pn-skel { list-style: none; width: 100%; max-width: 420px; margin: var(--pn-space-4) 0 0; padding: 0; border: var(--pn-hairline) solid var(--pn-stroke-lo); border-radius: var(--pn-radius-md); background: var(--pn-plate); box-sizing: border-box; }
.pn-skel li { display: flex; justify-content: space-between; padding: 17px var(--pn-space-4); border-top: var(--pn-hairline) solid var(--pn-stroke-lo); }
.pn-skel li:first-child { border-top: 0; }
.pn-skel span { height: 10px; border-radius: 5px; background: var(--pn-stroke-lo); }

/* EmptyState */
.pn-empty { display: grid; justify-items: center; gap: var(--pn-space-3); padding: var(--pn-space-12) var(--pn-space-6); color: var(--pn-fg); text-align: center; }
.pn-empty-figure { width: 200px; max-width: 100%; }
.pn-empty-title { margin: 0; font: 600 28px/34px var(--font-display); letter-spacing: -0.01em; }
.pn-empty-body { margin: 0; max-width: 44ch; font: 400 16px/26px var(--font-sans); color: var(--pn-fg-muted); }
.pn-empty-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--pn-space-3); margin-top: var(--pn-space-2); }
@media (min-width: 600px) {
  .pn-empty-row { grid-template-columns: 220px minmax(0, 1fr); column-gap: var(--pn-space-8); justify-items: start; align-content: center; text-align: left; }
  .pn-empty-row .pn-empty-figure { grid-row: 1 / span 3; width: 220px; align-self: center; }
  .pn-empty-row .pn-empty-actions { justify-content: flex-start; }
}

/* Badge */
.pn-badge { display: inline-flex; align-items: center; height: 24px; padding: 0 var(--pn-space-2); border: var(--pn-hairline) solid var(--pn-stroke-edge); border-radius: var(--pn-radius-sm); color: var(--pn-fg); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; line-height: 1; }
.pn-badge-lamp { background: var(--pn-accent); border-color: var(--pn-ink); color: var(--pn-accent-fg); }
.pn-badge-sage { background: var(--pn-sage); border-color: var(--pn-ink); color: var(--pn-ink); }

/* Field */
.pn-field { display: grid; gap: var(--pn-space-2); color: var(--pn-fg); }
.pn-field-label { font-size: 14px; font-weight: 700; line-height: 22px; }
.pn-input { width: 100%; box-sizing: border-box; min-height: 44px; padding: 0 var(--pn-space-3); border: var(--pn-hairline) solid var(--pn-stroke-edge); border-radius: var(--pn-radius-md); background: var(--pn-plate); color: var(--pn-fg); font: 400 16px/24px var(--font-sans); transition: border-color var(--pn-dur-settle, 460ms) linear; }
.pn-input::placeholder { color: var(--pn-fg-muted); }
.pn-input:hover, .pn-input:focus-visible { border-color: var(--pn-stroke-hi); transition-duration: var(--pn-dur-answer, 140ms); }
.pn-input-mono { font-family: var(--font-mono); font-size: 15px; font-weight: 500; }
.pn-field-hint { font-size: 14px; line-height: 22px; color: var(--pn-fg-muted); }

/* Plate */
.pn-plate { padding: var(--pn-space-6); border: var(--pn-hairline) solid var(--pn-stroke-mid); border-radius: var(--pn-radius-lg); background: var(--pn-plate); color: var(--pn-fg); transition: transform var(--pn-dur-settle, 460ms) var(--pn-ease-settle, ease-out), border-color var(--pn-dur-settle, 460ms) linear; }
.pn-plate-lit { border-color: var(--pn-stroke-hi); }
.pn-plate-interactive { border-color: var(--pn-stroke-edge); }
.pn-plate-interactive:hover, .pn-plate-interactive:focus-within { border-color: var(--pn-stroke-hi); transform: translateY(calc(var(--pn-lift, 2px) * var(--_i) * -1)); transition-duration: var(--pn-dur-answer, 140ms); transition-timing-function: var(--pn-ease-answer, ease-out); }

/* RowList */
.pn-rows { list-style: none; margin: 0; padding: 0; border: var(--pn-hairline) solid var(--pn-stroke-mid); border-radius: var(--pn-radius-md); background: var(--pn-plate); color: var(--pn-fg); overflow: hidden; }
.pn-row { --near: 0; position: relative; border-top: var(--pn-hairline) solid var(--pn-stroke-lo); }
.pn-row:first-child { border-top: 0; }
.pn-row-in { display: flex; align-items: center; justify-content: space-between; gap: var(--pn-space-4); width: 100%; box-sizing: border-box; min-height: 44px; padding: var(--pn-space-3) var(--pn-space-4); font: 400 15px/22px var(--font-sans); color: inherit; text-align: left; transform: translateX(calc(var(--near) * var(--pn-lean, 6px) * var(--_i))); transition: transform var(--pn-dur-settle, 460ms) var(--pn-ease-settle, ease-out); }
.pn-row-btn { border: 0; background: none; cursor: pointer; }
.pn-rows[data-active] .pn-row-in { transition-duration: var(--pn-dur-answer, 140ms); transition-timing-function: var(--pn-ease-answer, ease-out); }
.pn-row::before { content: ""; position: absolute; left: 6px; top: 50%; width: 5px; height: 5px; margin-top: -2.5px; border-radius: 50%; background: var(--pn-accent); border: var(--pn-hairline) solid var(--pn-ink); box-sizing: border-box; opacity: 0; transition: opacity var(--pn-dur-settle, 460ms) linear; }
.pn-row[data-lit]::before { opacity: 1; transition-duration: var(--pn-dur-answer, 140ms); }
.pn-row-term { color: var(--pn-fg-muted); transition: color var(--pn-dur-settle, 460ms) linear; }
.pn-row[data-lit] .pn-row-term { color: var(--pn-fg); transition-duration: var(--pn-dur-answer, 140ms); }
.pn-row-value { font-weight: 500; text-align: right; }

/* CopyChip */
.pn-copy { display: inline-flex; align-items: stretch; max-width: 100%; border: var(--pn-hairline) solid var(--pn-stroke-edge); border-radius: var(--pn-radius-md); background: var(--pn-plate); color: var(--pn-fg); overflow: hidden; transition: border-color var(--pn-dur-settle, 460ms) linear; }
.pn-copy:hover, .pn-copy:focus-within { border-color: var(--pn-stroke-hi); transition-duration: var(--pn-dur-answer, 140ms); }
.pn-copy-value { display: flex; align-items: center; min-height: 44px; padding: 0 var(--pn-space-4); font: 500 15px/22px var(--font-mono); overflow-wrap: anywhere; }
.pn-copy-btn { min-width: 84px; min-height: 44px; padding: 0 var(--pn-space-4); border: 0; border-left: var(--pn-hairline) solid var(--pn-stroke-lo); background: transparent; color: var(--pn-fg); font: 500 14px/1 var(--font-sans); cursor: pointer; transition: background-color var(--pn-dur-settle, 460ms) linear; }
.pn-copy[data-copied] .pn-copy-btn { background: var(--pn-accent); color: var(--pn-accent-fg); transition-duration: var(--pn-dur-answer, 140ms); }

/* Toggle */
.pn-toggle { display: inline-flex; align-items: center; gap: var(--pn-space-3); min-height: 44px; padding: 0; border: 0; background: none; color: var(--pn-fg); font: 400 16px/24px var(--font-sans); cursor: pointer; border-radius: var(--pn-radius-md); }
.pn-toggle-track { position: relative; flex: none; width: 46px; height: 26px; border: var(--pn-hairline) solid var(--pn-stroke-edge); border-radius: 13px; background: var(--pn-plate); box-sizing: border-box; transition: background-color var(--pn-dur-settle, 460ms) linear, border-color var(--pn-dur-settle, 460ms) linear; }
.pn-toggle-thumb { position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; border: var(--pn-hairline) solid var(--pn-stroke-edge); background: var(--pn-bg); box-sizing: border-box; transition: transform var(--pn-dur-settle, 460ms) var(--pn-ease-settle, ease-out), background-color var(--pn-dur-answer, 140ms) linear; }
.pn-toggle:hover .pn-toggle-track, .pn-toggle:focus-visible .pn-toggle-track { border-color: var(--pn-stroke-hi); }
.pn-toggle[aria-checked="true"] .pn-toggle-track { background: var(--pn-accent); border-color: var(--pn-ink); }
.pn-toggle[aria-checked="true"] .pn-toggle-thumb { transform: translateX(20px); background: var(--pn-ink); border-color: var(--pn-ink); }

/* Lantern figure */
.pn-lantern { display: block; width: 100%; max-width: 100%; aspect-ratio: 5 / 4; touch-action: pan-y; }
.pn-lantern svg { display: block; width: 100%; height: 100%; overflow: visible; }
.pn-lantern [data-s] { fill: none; stroke-width: var(--pn-figure-stroke, 1.1px); stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; transition: stroke var(--pn-dur-settle, 460ms) linear, fill-opacity var(--pn-dur-settle, 460ms) linear, opacity var(--pn-dur-settle, 460ms) linear; }
.pn-lantern [data-s="lo"] { stroke: var(--pn-stroke-lo); }
.pn-lantern [data-s="mid"] { stroke: var(--pn-stroke-mid); }
.pn-lantern [data-s="edge"] { stroke: var(--pn-stroke-edge); }
.pn-lantern [data-s="hi"] { stroke: var(--pn-stroke-hi); }
.pn-lantern [data-plate] { fill: var(--pn-plate); }
.pn-lantern [data-glass] { fill: var(--pn-accent); fill-opacity: 0; }
.pn-lantern[data-lit] [data-glass] { fill-opacity: 1; transition-duration: var(--pn-dur-answer, 140ms); }
.pn-lantern [data-pool] { stroke: var(--pn-accent); opacity: 0; }
.pn-lantern[data-lit] [data-pool] { opacity: 1; transition-duration: var(--pn-dur-answer, 140ms); }
.pn-lantern[data-lit] [data-body] { stroke: var(--pn-stroke-hi); }
.pn-lantern[data-lit] [data-note] { stroke: var(--pn-ink); }
.pn-lantern[data-lit] [data-note][data-s="mid"] { stroke-opacity: 0.35; }

@media (prefers-reduced-motion: reduce) {
  .pn-btn, .pn-btn:hover, .pn-btn:focus-visible, .pn-btn:active, .pn-plate, .pn-plate-interactive:hover, .pn-plate-interactive:focus-within, .pn-row-in { transform: none; transition-duration: 0.01ms; }
  .pn-toggle-thumb { transition-duration: 0.01ms; }
  .pn-loader [data-ink] { animation: none; stroke-dashoffset: 0; }
  .pn-loader [data-ink="3"] { stroke-dashoffset: 1; }
}