/* ============================================================
   GUIDED SESSIONS — css/guided-session.css
   ------------------------------------------------------------
   Styles for js/guided-session.js. Every colour is a design-system
   token, so the light/dark switcher repaints the steps, the live
   diagram (inline SVG, painted through these classes) and the
   finished page. Print shows the finished page only, in black on
   white, whatever the screen theme.
   ============================================================ */

.gs-root { margin-top: 8px; }
.gs-root[hidden], .gs-hidden, .gs-root [hidden] { display: none !important; }

/* Progress */
.gs-progress { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 18px; }
.gs-progress-text { font: var(--fw-medium) 12px/1.2 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--text-tertiary); }
.gs-bar { flex: 1 1 200px; height: 6px; border-radius: 999px; background: var(--surface-3); overflow: hidden; }
.gs-bar span { display: block; height: 100%; width: 0; border-radius: 999px; background: var(--accent); transition: width .4s ease; }
.gs-restart { padding: 6px 12px; border: 1px solid var(--border-default); border-radius: 999px; background: transparent; color: var(--text-tertiary); cursor: pointer; font: inherit; font-size: var(--text-caption); }
.gs-restart:hover { color: var(--text-primary); border-color: var(--border-strong); }

.gs-welcome { margin: 0 0 16px; padding: 10px 14px; border-left: 3px solid var(--accent); border-radius: var(--radius-sm); background: var(--accent-subtle); color: var(--text-secondary); font-size: var(--text-body-sm); }

/* Layout: the step on the left, the live diagram on the right */
.gs-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 360px); gap: 24px; align-items: start; }
.gs-layout.is-final { grid-template-columns: minmax(0, 1fr); }
.gs-aside { position: sticky; top: 84px; padding: 18px; border: 1px solid var(--border-default); border-radius: var(--radius-lg); background: var(--surface-1); }
.gs-aside-title { margin: 0 0 10px; font: var(--fw-medium) 11px/1.2 var(--font-mono); letter-spacing: .13em; text-transform: uppercase; color: var(--text-accent); }
.gs-aside-note { margin: 10px 0 0; color: var(--text-tertiary); font-size: var(--text-caption); line-height: 1.5; }

/* The step card */
.gs-step { padding: clamp(22px, 4vw, 36px); border: 1px solid var(--border-default); border-radius: var(--radius-lg); background: var(--surface-1); }
.gs-step.is-entering { animation: gs-in .35s ease both; }
@keyframes gs-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.gs-kicker { margin: 0 0 8px; font: var(--fw-medium) 11px/1.2 var(--font-mono); letter-spacing: .13em; text-transform: uppercase; color: var(--text-accent); }
.gs-title { margin: 0 0 14px; font-size: clamp(22px, 3vw, var(--text-h3)); line-height: 1.3; letter-spacing: var(--tracking-snug); color: var(--text-primary); }
.gs-title:focus { outline: none; }
.gs-title:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
.gs-body p { margin: 0 0 12px; color: var(--text-secondary); line-height: 1.7; font-size: var(--text-body); }
.gs-body p:last-child { margin-bottom: 0; }
.gs-body strong { color: var(--text-primary); }
.gs-body ul { margin: 0 0 12px; padding-left: 20px; color: var(--text-secondary); line-height: 1.7; }
.gs-cite { color: var(--text-tertiary); white-space: nowrap; }

.gs-why { margin: 0 0 16px; padding: 10px 14px; border-left: 3px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--surface-inset); color: var(--text-secondary); font-size: var(--text-body-sm); line-height: 1.6; }
.gs-why b { color: var(--text-primary); font-weight: var(--fw-semibold); }

.gs-example { margin: 12px 0 0; }
.gs-example summary { cursor: pointer; color: var(--text-accent); font-size: var(--text-body-sm); }
.gs-example summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.gs-example p { margin: 8px 0 0; padding: 10px 14px; border-radius: var(--radius-sm); background: var(--surface-2); color: var(--text-secondary); font-size: var(--text-body-sm); line-height: 1.6; font-style: italic; }

/* Inputs */
.gs-input, .gs-textarea, .gs-select, .gs-date { width: 100%; min-width: 0; padding: 12px 14px; border: 1px solid var(--border-default); border-radius: var(--radius-md); background: var(--surface-inset); color: var(--text-primary); font: inherit; font-size: var(--text-body); line-height: 1.55; }
.gs-textarea { resize: vertical; min-height: 96px; }
.gs-select { font-size: var(--text-body-sm); padding: 9px 10px; }
.gs-input:focus-visible, .gs-textarea:focus-visible, .gs-select:focus-visible, .gs-date:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--border-accent); }
.gs-date { max-width: 240px; }
.gs-count { margin: 6px 0 0; color: var(--text-tertiary); font-size: var(--text-caption); }

.gs-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.gs-list li { display: flex; gap: 8px; align-items: flex-start; }
.gs-list-num { flex: 0 0 auto; width: 28px; height: 28px; margin-top: 10px; display: grid; place-items: center; border-radius: 50%; background: var(--surface-3); color: var(--text-secondary); font: var(--fw-medium) 12px/1 var(--font-mono); }
.gs-list .gs-textarea { min-height: 52px; }
.gs-mini { flex: 0 0 auto; margin-top: 8px; padding: 8px 10px; border: 1px solid var(--border-default); border-radius: var(--radius-sm); background: transparent; color: var(--text-tertiary); cursor: pointer; font: inherit; font-size: var(--text-caption); }
.gs-mini:hover { color: var(--text-primary); border-color: var(--border-strong); }
.gs-add { margin-top: 10px; }

.gs-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.gs-chip { padding: 8px 14px; border: 1px solid var(--border-default); border-radius: 999px; background: var(--surface-2); color: var(--text-secondary); cursor: pointer; font: inherit; font-size: var(--text-body-sm); }
.gs-chip:hover { border-color: var(--border-accent); color: var(--text-primary); }
.gs-chip[aria-pressed="true"] { border-color: var(--border-accent); background: var(--accent-subtle); color: var(--text-primary); }

.gs-options { display: grid; gap: 10px; }
.gs-option { display: block; width: 100%; padding: 14px 16px; border: 1px solid var(--border-default); border-radius: var(--radius-md); background: var(--surface-2); color: var(--text-primary); text-align: left; cursor: pointer; font: inherit; line-height: 1.5; }
.gs-option:hover:not(:disabled) { border-color: var(--border-accent); }
.gs-option[aria-pressed="true"] { border-color: var(--border-accent); background: var(--accent-subtle); }
.gs-option-detail { display: block; margin-top: 4px; color: var(--text-secondary); font-size: var(--text-body-sm); }
.gs-option:disabled { cursor: default; opacity: .55; }
.gs-option.is-right { opacity: 1; border-color: var(--success-500); background: color-mix(in srgb, var(--success-500) 12%, transparent); }
.gs-option.is-wrong { opacity: 1; border-color: var(--danger-500); background: color-mix(in srgb, var(--danger-500) 12%, transparent); }
.gs-option:focus-visible, .gs-chip:focus-visible, .gs-mini:focus-visible, .gs-nav button:focus-visible, .gs-restart:focus-visible, .gs-actions button:focus-visible, .gs-jump:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.gs-guess-label { margin: 0 0 10px; font: var(--fw-medium) 11px/1.2 var(--font-mono); letter-spacing: .13em; text-transform: uppercase; color: var(--text-tertiary); }
.gs-reveal { margin-top: 16px; padding: 14px 16px; border-left: 3px solid var(--accent); border-radius: var(--radius-sm); background: var(--accent-subtle); }
.gs-reveal p { margin: 0 0 10px; color: var(--text-secondary); line-height: 1.65; }
.gs-reveal p:last-child { margin-bottom: 0; }
.gs-reveal strong { color: var(--text-primary); }

.gs-range { width: 100%; accent-color: var(--accent); }
.gs-range-value { display: block; margin: 12px 0 4px; font-size: var(--text-h3); font-weight: var(--fw-semibold); color: var(--text-primary); }
.gs-range-scale { display: flex; justify-content: space-between; color: var(--text-tertiary); font-size: var(--text-caption); }

/* Per-item questions */
.gs-items { display: grid; gap: 12px; }
.gs-item { padding: 14px; border: 1px solid var(--border-default); border-radius: var(--radius-md); background: var(--surface-2); }
.gs-item-head { margin: 0 0 10px; color: var(--text-primary); line-height: 1.5; }
.gs-item-head b { margin-right: 6px; color: var(--text-accent); font-family: var(--font-mono); }
.gs-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; }
.gs-fields label { display: grid; gap: 4px; min-width: 0; color: var(--text-tertiary); font-size: var(--text-caption); }
.gs-fields .gs-input { font-size: var(--text-body-sm); padding: 9px 10px; }
.gs-empty { color: var(--text-tertiary); font-style: italic; }

/* Live hint */
.gs-hint { margin: 12px 0 0; padding: 9px 12px; border-radius: var(--radius-sm); font-size: var(--text-body-sm); line-height: 1.55; color: var(--text-secondary); background: var(--surface-inset); border-left: 3px solid var(--border-strong); }
.gs-hint:empty { display: none; }
.gs-hint[data-tone="ok"] { border-left-color: var(--success-500); }
.gs-hint[data-tone="tip"] { border-left-color: var(--warning-500); }

/* Pause */
.gs-pause { display: flex; align-items: center; gap: 16px; margin-top: 18px; }
.gs-ring { width: 64px; height: 64px; flex: 0 0 auto; }
.gs-ring circle { fill: none; stroke-width: 5; }
.gs-ring .bg { stroke: var(--surface-3); }
.gs-ring .fg { stroke: var(--accent); stroke-linecap: round; transform: rotate(-90deg); transform-origin: 50% 50%; transition: stroke-dashoffset 1s linear; }
.gs-pause-text { color: var(--text-secondary); font-size: var(--text-body-sm); }

/* Check */
.gs-checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.gs-checks li { padding: 12px 14px; border-radius: var(--radius-md); background: var(--surface-2); border-left: 3px solid var(--warning-500); color: var(--text-secondary); line-height: 1.6; }
.gs-checks li.is-ok { border-left-color: var(--success-500); }
.gs-checks b { color: var(--text-primary); }
.gs-jump { margin-left: 6px; padding: 0; border: 0; background: none; color: var(--text-accent); cursor: pointer; font: inherit; text-decoration: underline; }
.gs-check-summary { margin: 0 0 14px; color: var(--text-primary); font-weight: var(--fw-semibold); }

/* Navigation */
.gs-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 24px; }
.gs-nav .gs-spacer { flex: 1 1 auto; }
.gs-nav-note { width: 100%; margin: 4px 0 0; color: var(--text-tertiary); font-size: var(--text-caption); }
.gs-nav-note:empty { display: none; }
.gs-nav button[disabled] { opacity: .45; cursor: not-allowed; filter: none; }
.gs-kbd { color: var(--text-tertiary); font-size: var(--text-caption); }

/* Diagram (inline SVG painted from tokens) */
.gs-fig { width: 100%; height: auto; display: block; }
.gs-fig text { font-family: var(--font-sans); fill: var(--text-primary); }
.gs-fig .f-box { fill: var(--surface-2); stroke: var(--border-default); stroke-width: 1.5; }
.gs-fig .f-box-on { fill: var(--accent-subtle); stroke: var(--border-accent); stroke-width: 1.5; }
.gs-fig .f-box-good { fill: color-mix(in srgb, var(--success-500) 14%, transparent); stroke: var(--success-500); stroke-width: 1.5; }
.gs-fig .f-box-warn { fill: color-mix(in srgb, var(--warning-500) 16%, transparent); stroke: var(--warning-500); stroke-width: 1.5; }
.gs-fig .f-box-bad { fill: color-mix(in srgb, var(--danger-500) 14%, transparent); stroke: var(--danger-500); stroke-width: 1.5; }
.gs-fig .f-line { stroke: var(--border-strong); stroke-width: 1.5; fill: none; }
.gs-fig .f-grid { stroke: var(--border-subtle); stroke-width: 1; fill: none; }
.gs-fig .f-muted { fill: var(--text-tertiary); }
.gs-fig .f-soft { fill: var(--text-secondary); }
.gs-fig .f-accent { fill: var(--text-accent); }
.gs-fig .f-dot { fill: var(--accent); stroke: var(--bg-base); stroke-width: 2; }
.gs-fig .f-dot-hot { fill: var(--danger-500); stroke: var(--bg-base); stroke-width: 2; }
.gs-fig .f-dot-label { fill: var(--text-on-accent); font-weight: 700; }
.gs-fig .f-track { fill: var(--surface-3); }
.gs-fig .f-fill { fill: var(--accent); }
.gs-fig .f-small { font-size: 11px; }
.gs-fig .f-tiny { font-size: 10px; }
.gs-fig .f-bold { font-weight: 600; }

/* The finished page */
.gs-sheet { padding: clamp(24px, 5vw, 48px); border: 1px solid var(--border-default); border-radius: var(--radius-lg); background: var(--surface-1); }
.gs-sheet-kicker { margin: 0 0 6px; font: var(--fw-medium) 11px/1.2 var(--font-mono); letter-spacing: .13em; text-transform: uppercase; color: var(--text-accent); }
.gs-sheet h2 { margin: 0 0 6px; font-size: var(--text-h2); line-height: 1.2; color: var(--text-primary); }
.gs-sheet-meta { margin: 0 0 22px; color: var(--text-tertiary); font-size: var(--text-caption); }
.gs-sheet-fig { max-width: 560px; margin: 0 0 24px; }
.gs-sheet section { padding: 16px 0; border-top: 1px solid var(--border-subtle); }
.gs-sheet h3 { margin: 0 0 8px; font: var(--fw-medium) 11px/1.2 var(--font-mono); letter-spacing: .13em; text-transform: uppercase; color: var(--text-tertiary); }
.gs-sheet p, .gs-sheet li, .gs-sheet td, .gs-sheet th { color: var(--text-primary); line-height: 1.65; }
.gs-sheet p { margin: 0 0 8px; }
.gs-sheet ol, .gs-sheet ul { margin: 0; padding-left: 22px; }
.gs-sheet li + li { margin-top: 6px; }
.gs-sheet .gs-sub { display: block; color: var(--text-secondary); font-size: var(--text-body-sm); }
.gs-sheet table { width: 100%; border-collapse: collapse; font-size: var(--text-body-sm); }
.gs-sheet th, .gs-sheet td { padding: 8px 10px; border-bottom: 1px solid var(--border-subtle); text-align: left; vertical-align: top; }
.gs-sheet th { color: var(--text-secondary); font-weight: var(--fw-semibold); }
.gs-table-wrap { overflow-x: auto; }
.gs-blank { display: block; height: 1.8em; border-bottom: 1px solid var(--border-default); }
.gs-sheet-foot { margin: 18px 0 0; color: var(--text-tertiary); font-size: var(--text-caption); }

.gs-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 0; }
.gs-status { margin: 10px 0 0; color: var(--text-secondary); font-size: var(--text-body-sm); }
.gs-status:empty { display: none; }

.gs-deeper { margin-top: 28px; }
.gs-deeper h2 { margin: 0 0 12px; font-size: var(--text-h4); }
.gs-deeper-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.gs-deeper a { display: block; padding: 16px; border: 1px solid var(--border-default); border-radius: var(--radius-md); background: var(--surface-1); color: var(--text-primary); text-decoration: none; }
.gs-deeper a:hover { border-color: var(--border-accent); }
.gs-deeper a span { display: block; margin-top: 6px; color: var(--text-secondary); font-size: var(--text-body-sm); line-height: 1.55; }

/* Static research list under the session */
.gs-research { margin-top: 40px; padding: clamp(20px, 4vw, 30px); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); background: var(--bg-raised); }
.gs-research h2 { margin: 6px 0 10px; font-size: var(--text-h4); }
.gs-research p, .gs-research li { color: var(--text-secondary); line-height: 1.65; font-size: var(--text-body-sm); }
.gs-research ul { padding-left: 20px; }
.gs-research li + li { margin-top: 8px; }
.gs-privacy { margin: 14px 0 0; color: var(--text-tertiary); font-size: var(--text-caption); }
.gs-footer { margin: 48px 0 0; padding-top: 20px; border-top: 1px solid var(--border-subtle); color: var(--text-tertiary); font-size: var(--text-caption); text-align: center; }

@media (max-width: 900px) {
    .gs-layout { grid-template-columns: minmax(0, 1fr); }
    .gs-aside { position: static; order: 2; }
}
@media (prefers-reduced-motion: reduce) {
    .gs-step.is-entering { animation: none; }
    .gs-bar span, .gs-ring .fg { transition: none; }
}

@media print {
    body { background: #fff !important; }
    body * { visibility: hidden !important; }
    .gs-sheet, .gs-sheet * { visibility: visible !important; }
    .gs-sheet { position: absolute; left: 0; top: 0; width: 100%; padding: 0; border: 0; background: #fff; }
    .gs-sheet, .gs-sheet p, .gs-sheet li, .gs-sheet td, .gs-sheet h2 { color: #000 !important; }
    .gs-sheet th, .gs-sheet h3, .gs-sheet-meta, .gs-sheet-foot, .gs-sheet .gs-sub, .gs-sheet-kicker { color: #444 !important; }
    .gs-sheet section, .gs-sheet th, .gs-sheet td { border-color: #bbb !important; }
    .gs-blank { border-color: #999 !important; }
    .gs-sheet section { break-inside: avoid; }
    .gs-fig text { fill: #000 !important; }
    .gs-fig .f-muted, .gs-fig .f-soft { fill: #444 !important; }
    .gs-fig .f-box, .gs-fig .f-box-on, .gs-fig .f-track { fill: #fff !important; stroke: #888 !important; }
    .gs-fig .f-line, .gs-fig .f-grid { stroke: #999 !important; }
    .gs-fig .f-dot, .gs-fig .f-fill { fill: #333 !important; }
    .gs-fig .f-dot-label { fill: #fff !important; }
}

/* Hub */
.gs-hub { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-top: 8px; }
.gs-hub-card { display: flex; flex-direction: column; gap: 8px; padding: 22px; border: 1px solid var(--border-default); border-radius: var(--radius-lg); background: var(--surface-1); color: var(--text-primary); text-decoration: none; }
.gs-hub-card:hover { border-color: var(--border-accent); }
.gs-hub-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.gs-hub-card strong { font-size: var(--text-h4); }
.gs-hub-when { font: var(--fw-medium) 11px/1.4 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--text-accent); }
.gs-hub-text { color: var(--text-secondary); line-height: 1.6; font-size: var(--text-body-sm); }
.gs-hub-meta { margin-top: auto; color: var(--text-tertiary); font-size: var(--text-caption); }
.gs-hub-status { color: var(--text-primary); font-size: var(--text-caption); }
.gs-hub-status:empty { display: none; }