/* Riff progress: night glass, dark only. Tokens from the design brief (design/tokens.css colours). */
:root {
  color-scheme: dark;
  --canvas: #0f0f0f; --surface: #141414; --surface-2: #292929; --surface-3: #333333;
  --line: #424242; --line-subtle: #292929;
  --glass: rgba(255,255,255,.05); --glass-raised: rgba(255,255,255,.08); --glass-edge: rgba(255,255,255,.10);
  --glass-highlight: inset 0 1px 0 rgba(255,255,255,.14); --glass-blur: 28px;
  --glass-scrim: color-mix(in srgb, var(--canvas) 55%, transparent);
  --text: #fff; --text-2: #d6d6d6; --text-3: #c8c8c8; --text-muted: #a3a3a3;
  --signal-orange: #ff4405; --signal-violet: #875bf7; --signal-blue: #2970ff;
  --gradient-signal: linear-gradient(to left bottom, var(--signal-orange), var(--signal-violet), var(--signal-blue));
  --ring: var(--signal-blue);
  --blob-1: #22ccee; --blob-2: #580de3; --blob-3: #093fb4;
  --ok: #3fa26a; --ok-text: #5cc489; --warn: #d39a2b; --warn-text: #d39a2b;
  --bad: #d8483b; --bad-text: #ef7a70; --info: #2970ff; --info-text: #7aa5ff; --violet-text: #b39bfb;
  --muted-fill: rgba(255,255,255,.08);
  --radius: .75rem; --r-sm: 7px; --r-md: 10px; --r-lg: 12px; --r-xl: 17px; --r-pill: 999px;
  --d-fast: 120ms; --d-base: 200ms; --d-slow: 400ms; --d-draw: 900ms; --d-ambient: 26s;
  --ease-out: cubic-bezier(.22,1,.36,1); --stagger: 70ms;
  --font-sans: "Nunito Sans", system-ui, sans-serif;
  --font-accent: "Playfair Display", Georgia, serif;
}
@media (prefers-reduced-motion: reduce) {
  :root { --d-fast: 0ms; --d-base: 0ms; --d-slow: 0ms; --d-draw: 0ms; --stagger: 0ms; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scrollbar-color: var(--surface-3) transparent; }
body { margin: 0; background: var(--canvas); color: var(--text-2); font: 400 14px/1.5 var(--font-sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { color: var(--text); font-weight: 500; text-wrap: balance; margin: 0; }
h1 { font-size: 24px; line-height: 1.2; }
h2 { font-size: 18px; line-height: 1.2; }
h3 { font-size: 14px; line-height: 1.4; }
p { margin: 0; }
a { color: var(--info-text); text-underline-offset: 2px; }
::selection { background: var(--signal-blue); color: #fff; }
.accent { font-family: var(--font-accent); font-style: italic; font-weight: 500; }
.meta { font-size: 12px; color: var(--text-muted); }
.num, time, .tabular { font-variant-numeric: tabular-nums; }
.label { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--text-muted); font-weight: 500; }
.result { font: 500 24px/1.5 var(--font-sans); font-variant-numeric: tabular-nums; color: var(--text); }
@supports (background-clip: text) or (-webkit-background-clip: text) {
  .result { background: var(--gradient-signal); -webkit-background-clip: text; background-clip: text; color: transparent; }
}
:where(a, button, input, textarea, select, [role="tab"], summary):focus-visible {
  outline: 2px solid var(--ring); outline-offset: 2px; box-shadow: 0 0 0 4px rgba(41,112,255,.25);
}
* { min-width: 0; }
p, li, h1, h2, h3, a, span { overflow-wrap: anywhere; }

/* field */
.field { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: var(--canvas); pointer-events: none; }
.field i { position: absolute; border-radius: 50%; filter: blur(110px); animation: drift var(--d-ambient) ease-in-out infinite alternate; }
.field i:nth-child(1) { width: 560px; height: 560px; top: -224px; left: -144px; background: var(--blob-1); opacity: .20; }
.field i:nth-child(2) { width: 720px; height: 720px; top: 8%; right: -160px; background: var(--blob-2); opacity: .40; animation-delay: -9s; }
.field i:nth-child(3) { width: 620px; height: 620px; bottom: -384px; left: 22%; background: var(--blob-3); opacity: .40; animation-delay: -17s; }
@keyframes drift { to { transform: translate(60px, 40px) scale(1.08); } }
.still .field i { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) { .field i { animation: none; } }
@media (max-width: 480px) {
  .field i { filter: blur(70px); }
  .field i:nth-child(2) { width: 420px; height: 420px; }
  .field i:nth-child(3) { width: 380px; height: 380px; }
}

/* glass, cards */
.glass {
  background: linear-gradient(var(--glass), var(--glass)), var(--glass-scrim);
  border: 1px solid var(--glass-edge); box-shadow: var(--glass-highlight);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.3); backdrop-filter: blur(var(--glass-blur)) saturate(1.3);
  border-radius: var(--r-xl);
}
@supports not (backdrop-filter: blur(1px)) { .glass { background: var(--surface); } }
.matte { background: var(--surface); border: 1px solid var(--line-subtle); border-radius: var(--r-xl); }
.card { padding: 20px; }
.card > * + * { margin-top: 16px; }
.card.row > * + *, .row > * + * { margin-top: 0; }
.stack > * + * { margin-top: 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.row.end { justify-content: flex-end; }
.notice { color: var(--warn-text); }

/* shell */
.shell { max-width: 960px; margin: 0 auto; padding: 12px 24px 48px; }
.shell > * + * { margin-top: 12px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { border-radius: var(--r-sm); }
.title { font-size: 18px; }
.who { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.who #who-name { color: var(--text); font-weight: 500; }

/* buttons, inputs */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px;
  border-radius: var(--r-md); padding: 10px 16px; font: 500 14px/1 var(--font-sans); letter-spacing: .5px;
  border: 1px solid var(--glass-edge); cursor: pointer; transition: background var(--d-fast), transform var(--d-fast);
}
.btn.primary { background: #fff; color: var(--surface); border-color: #fff; }
.btn.secondary, .btn.ghost { background: var(--glass); color: var(--text); }
.btn.ghost { border-color: transparent; color: var(--text-3); }
.btn.secondary:hover, .btn.ghost:hover { background: var(--glass-raised); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.small { min-height: 36px; padding: 8px 12px; font-size: 13px; }
label { display: block; color: var(--text-3); font-weight: 500; margin-bottom: 6px; }
input, textarea, select {
  width: 100%; background: rgba(255,255,255,.04); border: 1px solid #6b6b6b; border-radius: var(--r-md);
  padding: 10px 12px; color: var(--text); font: 400 14px/1.5 var(--font-sans);
}
textarea { resize: vertical; }
::placeholder { color: var(--text-muted); }
.error { color: var(--bad-text); }
.ok-text { color: var(--ok-text); }
fieldset { border: 0; padding: 0; margin: 0; }
.choice { display: flex; gap: 8px; flex-wrap: wrap; }
.choice label { display: inline-flex; align-items: center; gap: 8px; margin: 0; padding: 8px 12px; border-radius: var(--r-md); border: 1px solid var(--glass-edge); background: var(--glass); cursor: pointer; }
.choice input { width: auto; accent-color: var(--signal-blue); }

/* sign in */
.signin { min-height: 100dvh; display: grid; place-items: center; padding: 24px 16px; }
.signin-card { width: min(420px, 100%); }
.signin-card > * + * { margin-top: 12px; }
.signin-card .btn { width: 100%; }
.signin-icon { border-radius: var(--r-md); display: block; }

/* tabs */
.tabs-wrap { padding: 4px; border-radius: var(--r-pill); }
[role="tablist"] { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
[role="tablist"]::-webkit-scrollbar { display: none; }
[role="tab"] {
  flex: none; padding: 8px 14px; min-height: 40px; border-radius: var(--r-pill); border: 1px solid transparent; cursor: pointer;
  background: transparent; color: var(--text-muted); font: 500 14px/1 var(--font-sans);
  transition: background var(--d-base), color var(--d-base);
}
[role="tab"]:hover { color: var(--text); }
[role="tab"][aria-selected="true"] { color: var(--text); background: var(--glass-raised); border-color: var(--glass-edge); box-shadow: var(--glass-highlight); }
[role="tabpanel"] > * + * { margin-top: 12px; }

/* chips and tags */
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: var(--r-pill);
  font: 500 12px/1.5 var(--font-sans); letter-spacing: .02em; white-space: nowrap;
  color: var(--chip-text); background: color-mix(in srgb, var(--chip) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--chip) 40%, transparent);
}
.chip svg, .icon { width: 14px; height: 14px; stroke: var(--chip, currentColor); fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.chip[data-s="todo"] { --chip: var(--text-muted); --chip-text: var(--text-muted); }
.chip[data-s="progress"] { --chip: var(--info); --chip-text: var(--info-text); }
.chip[data-s="ready"] { --chip: var(--signal-violet); --chip-text: var(--violet-text); }
.chip[data-s="done"] { --chip: var(--ok); --chip-text: var(--ok-text); }
.chip[data-s="needs"] { --chip: var(--warn); --chip-text: var(--warn-text); }
.chip[data-s="blocked"] { --chip: var(--bad); --chip-text: var(--bad-text); }
.tag { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: var(--r-md); background: var(--glass-raised); border: 1px solid var(--glass-edge); color: var(--text-3); font-size: 12px; }

/* overview */
.ring-card { display: flex; gap: 16px; align-items: center; }
.ring-card > * + * { margin-top: 0; }
.ring { position: relative; width: 96px; height: 96px; flex: none; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 8; stroke-linecap: round; }
.ring .track { stroke: rgba(255,255,255,.10); }
.ring .fill { stroke: var(--text); stroke-dasharray: 264; stroke-dashoffset: calc(264 * (1 - var(--p, 0))); transition: stroke-dashoffset var(--d-draw) var(--ease-out); }
.ring .result { position: absolute; inset: 0; display: grid; place-items: center; font-size: 20px; }
.callout { border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.callout .icon { --chip: var(--warn); width: 16px; height: 16px; }
.callout strong { color: var(--warn-text); font-weight: 500; }
ul.plain { list-style: none; margin: 0; padding: 0; }
ul.plain > li + li { margin-top: 10px; }
ul.dots { margin: 0; padding-left: 18px; color: var(--text-3); }
ul.dots li + li { margin-top: 4px; }
.line { display: flex; gap: 10px; align-items: baseline; }
.line .tag { flex: none; }

/* timeline */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.phase { position: relative; padding: 0 0 20px 40px; }
.phase::before { content: ""; position: absolute; left: 4px; top: 10px; width: 16px; height: 16px; border-radius: 50%; background: var(--canvas); border: 2px solid var(--line); z-index: 1; }
.phase::after { content: ""; position: absolute; left: 11px; top: 30px; bottom: -6px; border-left: 2px dashed var(--line); }
.phase:last-child::after { display: none; }
.phase[data-s="done"]::before { border-color: var(--ok); background: var(--ok); }
.phase[data-s="done"]::after { border-left-style: solid; border-color: var(--ok); }
.phase[data-s="progress"]::before { border-color: var(--info); box-shadow: 0 0 0 4px rgba(41,112,255,.25); }
.phase[data-s="ready"]::before { border-color: var(--signal-violet); }
.phase details { border-radius: var(--r-lg); padding: 8px 12px; border: 1px solid transparent; }
.phase details[open].current { background: var(--glass-raised); border-color: var(--glass-edge); box-shadow: var(--glass-highlight); }
.phase summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 40px; }
.phase summary::-webkit-details-marker { display: none; }
.phase summary h3 { font-size: 18px; line-height: 1.3; }
.phase .body > * + * { margin-top: 10px; }
.phase .body { padding-top: 8px; }

/* updates, tables */
.md h3 { margin-top: 12px; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--text-muted); }
.md p, .md li { color: var(--text-2); }
.md ul { margin: 6px 0 0; padding-left: 18px; }
.md code { font-family: ui-monospace, monospace; font-size: 13px; background: var(--surface-2); padding: 1px 4px; border-radius: 4px; }
.md strong { color: var(--text); font-weight: 500; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--text-muted); font-weight: 500; padding: 8px; }
td { padding: 8px; border-top: 1px solid var(--line-subtle); height: 40px; vertical-align: top; }
td.n { text-align: right; font-variant-numeric: tabular-nums; }
.shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.shots figure { margin: 0; }
.shots img { width: 100%; height: auto; border-radius: var(--r-lg); border: 1px solid var(--glass-edge); display: block; }
.shots figcaption { margin-top: 6px; }
.tour img { width: 100%; height: auto; border-radius: var(--r-lg); display: block; }
.search { max-width: 360px; }
.log li { padding: 8px 0; border-top: 1px solid var(--line-subtle); }
.log { max-height: 640px; overflow-y: auto; }

/* dialog */
.dialog { color: var(--text-2); padding: 20px; width: min(480px, calc(100vw - 32px)); }
.dialog::backdrop { background: rgba(0,0,0,.6); }
.dialog form > * + * { margin-top: 12px; }

/* arrival */
@keyframes arrive { from { opacity: 0; transform: translateY(8px); } }
.arrive { animation: arrive var(--d-slow) var(--ease-out) both; animation-delay: calc(var(--i, 0) * var(--stagger)); }

/* phones */
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } }
@media (max-width: 480px) {
  .shell { padding: 12px 16px 40px; }
  .card { padding: 16px; }
  .ring { width: 80px; height: 80px; }
  .top { padding: 12px; }
  .who { width: 100%; }
  .who #signout { margin-left: auto; }
  [role="tab"], .btn { min-height: 44px; }
  input, textarea, select { font-size: 16px; }
  .phase summary { flex-direction: column; align-items: flex-start; gap: 6px; }
  .phase .btn.primary { width: 100%; }
  .stackable thead { display: none; }
  .stackable tr { display: block; border-top: 1px solid var(--line-subtle); padding: 8px 0; }
  .stackable td { display: block; border: 0; height: auto; padding: 2px 0; text-align: left; }
  .stackable td[data-l]::before { content: attr(data-l); display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--text-muted); }
}

/* spacing fixes: lists keep the card rhythm; questions are separated */
.card > * + ul.plain, .card > * + ul.dots, .card > * + div > ul.dots { margin-top: 16px; }
.card > div > .label + ul.dots { margin-top: 6px; }
.sep > li + li { border-top: 1px solid var(--line-subtle); padding-top: 16px; margin-top: 16px; }