.r5-particle{--r5-line:#d8d5cb;--r5-ink:#252a2d;--r5-muted:#697074;--r5-soft:#f6f4ee;--r5-soft2:#eef3f0;--r5-accent:#536d61;max-width:980px;margin:0 auto;color:var(--r5-ink);font-size:16px;line-height:1.6}.r5-particle *{box-sizing:border-box}.r5-header{text-align:center;margin:0 0 1.4rem}.r5-kicker{text-transform:uppercase;letter-spacing:.16em;font-size:.75rem;color:var(--r5-accent);font-weight:700;margin:0 0 .35rem}.r5-header h2{font-size:clamp(1.8rem,4vw,2.7rem);margin:.1rem 0 .45rem}.r5-subtitle{max-width:760px;margin:0 auto;color:var(--r5-muted)}.r5-guidance{background:var(--r5-soft);border-left:4px solid var(--r5-accent);padding:1rem 1.2rem;margin:1.25rem 0}.r5-guidance h3{margin:0 0 .45rem;font-size:1.08rem}.r5-guidance p{margin:.35rem 0}.r5-progress{display:grid;grid-template-columns:repeat(6,1fr);gap:.4rem;margin:1.5rem 0}.r5-step{border:1px solid var(--r5-line);background:#fff;padding:.65rem .35rem;border-radius:7px;color:var(--r5-muted);cursor:pointer}.r5-step span{display:block;font-weight:700}.r5-step.is-active{border-color:var(--r5-accent);background:var(--r5-soft2);color:var(--r5-ink)}.r5-stage{border-top:1px solid var(--r5-line);padding-top:1.3rem}.r5-stage-heading{display:flex;justify-content:space-between;gap:2rem;align-items:flex-start;margin-bottom:1.15rem}.r5-stage-heading p{margin:0;text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;color:var(--r5-accent);font-weight:700}.r5-stage-heading h3{margin:.1rem 0;font-size:1.45rem}.r5-stage-heading>span{max-width:440px;color:var(--r5-muted)}.r5-set-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem}.r5-set,.r5-vocal-choice button,.r5-vowels button{border:1px solid var(--r5-line);background:#fff;border-radius:9px;padding:1rem;cursor:pointer;text-align:left;min-height:78px}.r5-set strong,.r5-vocal-choice strong{display:block;font-size:1.2rem}.r5-set span{display:block;color:var(--r5-muted);font-size:.9rem}.r5-set.is-selected,.r5-vocal-choice button.is-selected,.r5-vowels button.is-selected{border-color:var(--r5-accent);background:var(--r5-soft2)}.r5-ratio-panel{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:.7rem;align-items:center;background:var(--r5-soft);padding:1rem;border-radius:9px;margin:1rem 0}.r5-ratio-panel div:not(.r5-ratio-mark){text-align:center}.r5-ratio-panel span{display:block;color:var(--r5-muted);font-size:.82rem}.r5-ratio-panel strong{font-size:1.2rem}.r5-ratio-mark{font-size:1.2rem;color:var(--r5-accent);font-weight:700}.r5-controls{display:flex;flex-wrap:wrap;gap:.65rem;margin:1rem 0}.r5-controls button,.r5-nav button{border:1px solid var(--r5-accent);background:#fff;color:var(--r5-ink);padding:.7rem 1rem;border-radius:7px;cursor:pointer;min-height:44px}.r5-controls .r5-primary,.r5-nav .r5-next{background:var(--r5-accent);color:#fff}.r5-volume{display:flex;align-items:center;gap:.75rem;max-width:500px}.r5-volume input{flex:1}.r5-note{background:var(--r5-soft);padding:1rem 1.1rem;border-radius:8px;margin:1rem 0}.r5-note p{margin:.25rem 0 0}.r5-nav{display:flex;justify-content:space-between;gap:1rem;margin-top:1.5rem}.r5-vocal-choice{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem}.r5-vocal-choice span{display:block;color:var(--r5-muted);font-size:.85rem}.r5-vowels{display:grid;grid-template-columns:repeat(4,1fr);gap:.7rem}.r5-vowels button{text-align:center;font-weight:700}.r5-vowels span{display:block;font-weight:400;color:var(--r5-muted);font-size:.82rem}.r5-field-visual{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:1rem;margin:1rem 0 1.2rem}.r5-field-visual div{text-align:center;background:var(--r5-soft);padding:1rem;border-radius:50%;aspect-ratio:1/1;display:flex;flex-direction:column;align-items:center;justify-content:center}.r5-field-visual div span{font-size:1.6rem;color:var(--r5-accent);font-weight:700}.r5-field-visual div strong{font-size:1.05rem}.r5-field-visual div small{color:var(--r5-muted)}.r5-field-visual i{display:block;width:40px;height:1px;background:var(--r5-line)}.r5-fieldset{border:1px solid var(--r5-line);border-radius:8px;padding:1rem;margin:1rem 0}.r5-fieldset legend{padding:0 .35rem;font-weight:700}.r5-check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.55rem}.r5-intensity{display:flex;gap:.55rem}.r5-intensity label span{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--r5-line);border-radius:50%;cursor:pointer}.r5-intensity input{position:absolute;opacity:0}.r5-intensity input:checked+span{background:var(--r5-accent);color:#fff;border-color:var(--r5-accent)}.r5-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin:1rem 0}.r5-summary div{background:var(--r5-soft);padding:.8rem 1rem;border-radius:7px}.r5-summary span{display:block;color:var(--r5-muted);font-size:.8rem}.r5-question{text-align:center;border-top:1px solid var(--r5-line);border-bottom:1px solid var(--r5-line);padding:1rem;margin-top:1rem}.r5-question span{font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;color:var(--r5-accent)}.r5-question p{font-size:1.12rem;margin:.25rem}.r5-status{text-align:center;color:var(--r5-muted);font-size:.82rem;margin-top:1rem}.r5-particle button:focus-visible,.r5-particle input:focus-visible{outline:3px solid rgba(83,109,97,.28);outline-offset:2px}@media(max-width:720px){.r5-progress{grid-template-columns:repeat(3,1fr)}.r5-stage-heading{display:block}.r5-stage-heading>span{display:block;margin-top:.45rem}.r5-set-grid{grid-template-columns:repeat(2,1fr)}.r5-vocal-choice{grid-template-columns:1fr}.r5-vowels{grid-template-columns:repeat(2,1fr)}.r5-check-grid{grid-template-columns:repeat(2,1fr)}.r5-summary{grid-template-columns:1fr}.r5-ratio-panel,.r5-field-visual{gap:.35rem}.r5-field-visual i{width:15px}.r5-field-visual div{border-radius:12px;aspect-ratio:auto;min-height:110px}}@media(max-width:430px){.r5-ratio-panel{grid-template-columns:1fr}.r5-ratio-mark{transform:rotate(90deg);text-align:center}.r5-field-visual{grid-template-columns:1fr}.r5-field-visual i{width:1px;height:18px;margin:auto}.r5-nav{flex-wrap:wrap}.r5-nav button{flex:1}.r5-check-grid{grid-template-columns:1fr}}

.r5-range-guide{display:flex;gap:.75rem;align-items:flex-start;background:var(--r5-soft2);border:1px solid var(--r5-line);border-radius:8px;padding:.8rem 1rem;margin:0 0 1rem}.r5-range-guide strong{white-space:nowrap;color:var(--r5-accent)}.r5-range-guide span{color:var(--r5-muted)}.r5-set small{display:block;text-transform:uppercase;letter-spacing:.08em;font-size:.68rem;color:var(--r5-accent);font-weight:700;margin-bottom:.2rem}.r5-field-visual div{transition:transform .25s ease,border-color .25s ease,background .25s ease}.r5-field-visual div.is-sounding{background:var(--r5-soft2);outline:2px solid var(--r5-accent);outline-offset:2px;transform:scale(1.04)}.r5-build-status{text-align:center;color:var(--r5-muted);font-size:.9rem;margin:-.25rem 0 .8rem}.r5-build-status strong{color:var(--r5-accent)}@media(max-width:720px){.r5-range-guide{display:block}.r5-range-guide strong{display:block;margin-bottom:.25rem}}@media(prefers-reduced-motion:reduce){.r5-field-visual div{transition:none}.r5-field-visual div.is-sounding{transform:none}}

/* v0.5 — pre/post observational bookends */
.r5-progress{grid-template-columns:repeat(8,1fr)}
.r5-attunement{background:var(--r5-soft2);border:1px solid var(--r5-line);border-radius:9px;padding:1rem 1.15rem;margin:0 0 1rem}
.r5-attunement p{margin:.35rem 0}
.r5-attunement--post{background:var(--r5-soft)}
.r5-field-help{margin:.1rem 0 .8rem;color:var(--r5-muted);font-size:.9rem}
.r5-state-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.65rem}
.r5-state-grid label{position:relative;display:block}
.r5-state-grid input{position:absolute;opacity:0;pointer-events:none}
.r5-state-grid span{display:flex;align-items:center;justify-content:center;text-align:center;min-height:54px;border:1px solid var(--r5-line);border-radius:8px;background:#fff;padding:.65rem;cursor:pointer}
.r5-state-grid input:checked+span{border-color:var(--r5-accent);background:var(--r5-soft2);box-shadow:inset 0 0 0 1px var(--r5-accent)}
.r5-state-grid input:focus-visible+span{outline:3px solid rgba(83,109,97,.28);outline-offset:2px}
.r5-reflection-prompts{border-left:4px solid var(--r5-accent);padding:.85rem 1rem;margin:1rem 0;background:var(--r5-soft)}
.r5-reflection-prompts h4{margin:0 0 .35rem;font-size:1rem}
.r5-reflection-prompts ul{margin:.25rem 0 .1rem 1.2rem}
.r5-reflection-prompts li{margin:.2rem 0}
@media(max-width:820px){.r5-progress{grid-template-columns:repeat(4,1fr)}}
@media(max-width:720px){.r5-state-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:430px){.r5-progress{grid-template-columns:repeat(2,1fr)}.r5-state-grid{grid-template-columns:1fr}}


/* v0.6 — shared Reflection & Export layer */
.r5-export-panel{margin:1.25rem 0;padding:1.15rem;border:1px solid var(--r5-line);border-radius:10px;background:rgba(255,255,255,.7)}
.r5-export-heading p{margin:0;text-transform:uppercase;letter-spacing:.12em;font-size:.7rem;color:var(--r5-accent);font-weight:700}
.r5-export-heading h4{margin:.15rem 0 .3rem;font-size:1.18rem}
.r5-export-heading>span{display:block;color:var(--r5-muted);line-height:1.55}
.r5-session-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.65rem;margin:1rem 0}
.r5-session-meta>div{padding:.8rem .9rem;border:1px solid var(--r5-line);border-radius:8px;background:var(--r5-soft)}
.r5-session-meta span{display:block;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--r5-muted);margin-bottom:.2rem}
.r5-session-meta strong{display:block;overflow-wrap:anywhere}
.r5-reflection-entry{margin:1rem 0}
.r5-reflection-entry label{display:block;font-weight:700;margin-bottom:.4rem}
.r5-reflection-entry label span{font-weight:400;color:var(--r5-muted)}
.r5-reflection-entry textarea{width:100%;min-height:130px;resize:vertical;border:1px solid var(--r5-line);border-radius:8px;background:#fff;color:var(--r5-ink);font:inherit;line-height:1.55;padding:.9rem;box-sizing:border-box}
.r5-reflection-entry textarea:focus{outline:3px solid rgba(83,109,97,.18);border-color:var(--r5-accent)}
.r5-export-actions{display:flex;flex-wrap:wrap;gap:.65rem;margin:.8rem 0}
.r5-export-actions button{border:1px solid var(--r5-accent);background:#fff;color:var(--r5-ink);padding:.7rem 1rem;border-radius:7px;cursor:pointer;min-height:44px}
.r5-export-actions .r5-export-primary{background:var(--r5-accent);color:#fff}
.r5-export-note,.r5-export-status{color:var(--r5-muted);font-size:.84rem;line-height:1.5;margin:.55rem 0 0}
.r5-export-status{min-height:1.3em;color:var(--r5-accent)}
@media(max-width:720px){.r5-session-meta{grid-template-columns:1fr}.r5-export-actions button{width:100%}}