:root{
  --bg:#f5f7fa; --card:#ffffff; --text:#172033; --muted:#687386; --line:#dfe4ea;
  --accent:#315d8f; --accent-soft:#eaf1f8; --ok:#347a4b; --warn:#a76a00; --danger:#aa3f3f;
  --shadow:0 8px 24px rgba(28,45,65,.08); --radius:18px;
}
*{box-sizing:border-box} body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
button,input,select,textarea{font:inherit}.app-shell{max-width:900px;margin:0 auto;min-height:100vh;padding-bottom:86px}.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 18px 12px;background:rgba(245,247,250,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}h1{font-size:20px;margin:3px 0 0;line-height:1.25}.content{padding:18px}.section{margin-bottom:22px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.section-head h2{font-size:18px;margin:0}.subtle{color:var(--muted);font-size:14px}
.card,.task-card,.stat-card,.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.panel{padding:16px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat-card{padding:14px}.stat-value{font-weight:800;font-size:22px}.stat-label{font-size:12px;color:var(--muted);margin-top:3px}.progress{height:9px;border-radius:999px;background:#e5e9ef;overflow:hidden;margin-top:12px}.progress>div{height:100%;background:var(--accent)}
.chips{display:flex;gap:8px;overflow:auto;padding-bottom:4px}.chip,.ghost,.primary,.danger-btn,.small-btn{border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:12px;min-height:42px;padding:0 13px;cursor:pointer}.chip.active,.primary{background:var(--accent);border-color:var(--accent);color:white}.ghost{background:transparent}.danger-btn{border-color:#e4b8b8;color:var(--danger)}.small-btn{min-height:34px;padding:0 10px;font-size:13px}.hidden{display:none!important}
.task-list{display:grid;gap:10px}.task-card{padding:14px;display:flex;gap:12px;align-items:flex-start}.check-btn{width:42px;height:42px;min-width:42px;border-radius:50%;border:2px solid var(--accent);background:white;cursor:pointer;font-size:22px}.check-btn.done{background:var(--accent);color:#fff}.task-body{min-width:0;flex:1}.task-title-row{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}.task-title{font-size:16px;margin:0;line-height:1.35}.task-card.completed .task-title{text-decoration:line-through;color:var(--muted)}.badge{display:inline-flex;align-items:center;white-space:nowrap;padding:4px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px}.task-meta{margin-top:6px;color:var(--muted);font-size:13px;display:flex;gap:10px;flex-wrap:wrap}.task-actions{margin-top:9px;display:flex;gap:8px;flex-wrap:wrap}
.fab{position:fixed;right:max(18px,calc((100vw - 900px)/2 + 18px));bottom:92px;width:56px;height:56px;border:0;border-radius:50%;background:var(--accent);color:#fff;font-size:26px;box-shadow:0 10px 24px rgba(49,93,143,.28);cursor:pointer}.bottom-nav{position:fixed;left:50%;bottom:0;transform:translateX(-50%);width:min(900px,100%);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line);padding:7px max(6px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left));z-index:20}.nav-btn{border:0;background:transparent;color:var(--muted);padding:6px 2px;display:grid;gap:2px;place-items:center;font-size:18px;cursor:pointer}.nav-btn span{font-size:11px}.nav-btn.active{color:var(--accent);font-weight:700}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.list{display:grid;gap:9px}.list-row{display:flex;justify-content:space-between;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);padding:13px;border-radius:14px}.person{display:flex;align-items:center;gap:10px}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);font-weight:800;color:var(--accent)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;color:var(--muted)}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;min-height:44px;padding:10px 12px;color:var(--text)}.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:14px;flex-wrap:wrap}.modal-backdrop{position:fixed;inset:0;background:rgba(17,27,39,.45);z-index:50;padding:18px;display:grid;place-items:center}.modal{width:min(680px,100%);max-height:88vh;overflow:auto;background:#fff;border-radius:20px;padding:18px;box-shadow:0 22px 60px rgba(0,0,0,.25)}.modal h2{margin-top:0}.calendar-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.dow{font-size:11px;color:var(--muted);text-align:center;padding:5px}.day{min-height:82px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:7px;cursor:pointer}.day.other{opacity:.42}.day.today{outline:2px solid var(--accent)}.day-number{font-weight:700;font-size:12px}.day-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;margin:2px}.calendar-mode{display:flex;gap:7px}.week-list,.day-list{display:grid;gap:10px}.timeline-row{display:grid;grid-template-columns:72px 1fr;gap:10px;align-items:start}.timeline-time{font-size:12px;color:var(--muted);padding-top:12px}.notice{padding:12px 14px;border-radius:13px;background:#fff7e6;border:1px solid #efd7aa;color:#755000;font-size:13px}.ok{background:#eaf7ee;border-color:#bddfc8;color:#225d35}.history-row{font-size:13px;color:var(--muted)}
@media(max-width:640px){.stats{grid-template-columns:1fr 1fr 1fr}.grid-2,.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.day{min-height:62px;padding:5px}.day .mini-text{display:none}.task-title-row{align-items:flex-start;flex-direction:column}.topbar{align-items:flex-start}.content{padding:14px}.fab{right:16px}}

/* v0.3 visual room system */
.hero-panel{background:linear-gradient(135deg,#fff 0%,#f4f8fb 55%,#e8f0f7 100%);border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:var(--shadow);overflow:hidden}.hero-panel .hero-copy h2{font-size:26px;margin:4px 0 2px}.hero-panel .stats{margin-top:18px}.hero-panel .stat-card{box-shadow:none;background:rgba(255,255,255,.78);backdrop-filter:blur(8px)}
.count-pill{display:inline-grid;place-items:center;min-width:32px;height:32px;padding:0 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:800;font-size:13px}
.room-strip{display:flex;gap:12px;overflow-x:auto;padding:2px 2px 7px;scroll-snap-type:x proximity}.room-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.room-card{position:relative;isolation:isolate;overflow:hidden;text-align:left;border:1px solid color-mix(in srgb,var(--room-accent) 20%,#dfe4ea);border-radius:20px;min-height:154px;background:linear-gradient(145deg,var(--room-pale),var(--room-soft));color:var(--text);padding:15px;cursor:pointer;box-shadow:0 8px 22px rgba(28,45,65,.07);transition:transform .18s ease,border-color .18s ease}.room-card.compact{min-width:166px;min-height:122px;scroll-snap-align:start}.room-card:active{transform:scale(.985)}.room-card-art{position:absolute;right:-13px;bottom:-8px;width:132px;color:color-mix(in srgb,var(--room-accent) 72%,transparent);opacity:.72;z-index:-1}.room-card.compact .room-card-art{width:106px;right:-8px;bottom:-6px;opacity:.6}.room-card-art svg{display:block;width:100%;height:auto}.room-card-copy{display:grid;gap:5px;max-width:68%}.room-card-copy strong{font-size:16px;line-height:1.2}.room-card-copy span{font-size:12px;color:color-mix(in srgb,var(--room-accent) 75%,#334155);font-weight:600}
.task-card.room-themed{position:relative;isolation:isolate;overflow:hidden;background:linear-gradient(105deg,#fff 0%,#fff 66%,var(--room-pale) 100%);border-color:color-mix(in srgb,var(--room-accent) 16%,var(--line))}.task-card.room-themed:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--room-accent)}.task-visual-bg{position:absolute;right:-17px;bottom:-18px;width:118px;color:var(--room-accent);opacity:.10;z-index:-1;pointer-events:none}.task-visual-bg svg{width:100%;height:auto}.task-card.room-themed .badge{background:var(--room-soft);color:var(--room-accent)}.task-card.room-themed .check-btn{border-color:var(--room-accent)}.task-card.room-themed .check-btn.done{background:var(--room-accent)}
.empty-card{display:grid;place-items:center;text-align:center;gap:5px;padding:26px 18px;background:#fff;border:1px dashed var(--line);border-radius:18px;color:var(--muted)}.empty-card>div{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:20px}.empty-card strong{color:var(--text)}.empty-card span{font-size:13px}
.member-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.member-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;min-width:0}.member-copy{min-width:0}.member-card .avatar{background:color-mix(in srgb,var(--member-color) 14%,white);color:var(--member-color);border:1px solid color-mix(in srgb,var(--member-color) 22%,white)}
.room-filter{padding-bottom:5px}
@media(max-width:640px){.hero-panel{padding:15px}.hero-panel .hero-copy h2{font-size:23px}.room-grid{grid-template-columns:1fr 1fr}.room-card{min-height:138px;padding:13px}.room-card-copy{max-width:72%}.room-card-art{width:112px}.member-grid{grid-template-columns:1fr}.task-visual-bg{width:100px}.task-card.room-themed{background:linear-gradient(105deg,#fff 0%,#fff 72%,var(--room-pale) 100%)}}
@media(max-width:380px){.room-grid{grid-template-columns:1fr}.room-card{min-height:126px}.stats{gap:7px}.stat-card{padding:11px}.stat-value{font-size:20px}}

/* v0.4 warm photographic theme — based on the original generated image series */
:root{
  --bg:#f5efe7;
  --card:#fffaf4;
  --text:#4d3a2f;
  --muted:#8a7565;
  --line:#e8dccd;
  --accent:#8a644a;
  --accent-soft:#efe1d2;
  --ok:#65765d;
  --warn:#a77742;
  --danger:#a9574b;
  --shadow:0 10px 28px rgba(89,63,45,.09);
}
body{
  background:
    radial-gradient(circle at 12% -4%,rgba(255,249,238,.92),transparent 28rem),
    linear-gradient(180deg,#f8f3ec 0%,#f4ede4 100%);
}
.topbar{
  background:rgba(248,243,236,.94);
  border-bottom-color:rgba(218,202,183,.78);
}
.eyebrow{color:#a18168}
.card,.task-card,.stat-card,.panel,.list-row,.member-card{background:rgba(255,250,244,.96);border-color:var(--line)}
.primary,.chip.active{background:#8a644a;border-color:#8a644a}
.primary:active,.chip.active:active{background:#77533d}
.ghost,.chip,.small-btn{background:#fffaf4;border-color:#e4d7c7}
.progress{background:#eadfD2}.progress>div{background:linear-gradient(90deg,#a57958,#7d654f)}
.fab{background:#8a644a;box-shadow:0 12px 28px rgba(101,71,49,.28)}
.bottom-nav{background:rgba(255,250,244,.97);border-top-color:#e5d7c8;backdrop-filter:blur(16px)}
.nav-btn.active{color:#7c5942}.avatar{background:#efe2d4;color:#795a45}
.field input,.field select,.field textarea{background:#fffdf9;border-color:#e3d7c9;color:var(--text)}
.modal{background:#fffaf4;border:1px solid #e4d6c7}.modal-backdrop{background:rgba(59,43,33,.46)}
.notice{background:#fbf0dd;border-color:#e6cda6;color:#765432}.notice.ok{background:#edf2e8;border-color:#cdd9c5;color:#52634b}
.day{background:#fffaf4;border-color:#e6dacd}.day.today{outline-color:#9b7255}.day-dot{background:#9b7255}

.hero-panel{
  background:linear-gradient(135deg,#fffaf4 0%,#f6ebdc 58%,#eadecf 100%);
  border-color:#e4d7c8;
  box-shadow:0 14px 34px rgba(95,67,47,.10);
}
.hero-panel .stat-card{background:rgba(255,252,247,.76);border-color:rgba(222,207,190,.82)}
.count-pill{background:#eadbca;color:#76533c}

.room-strip{gap:13px}
.room-grid{gap:14px}
.room-card.photo-card{
  min-height:184px;
  border:0;
  background:#cdb9a5;
  padding:0;
  box-shadow:0 13px 28px rgba(81,58,42,.15);
  color:white;
}
.room-card.photo-card.compact{min-width:190px;min-height:142px}
.room-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transform:scale(1.01)}
.room-photo-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(49,37,29,.02) 22%,rgba(49,37,29,.16) 56%,rgba(42,31,24,.68) 100%)}
.room-card-copy{position:absolute;left:15px;right:15px;bottom:14px;max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:10px;text-shadow:0 2px 12px rgba(0,0,0,.28)}
.room-card-copy strong{font-size:18px;color:#fff;font-weight:760}
.room-card-copy span{font-size:12px;color:rgba(255,255,255,.92);background:rgba(63,45,34,.34);backdrop-filter:blur(5px);padding:5px 8px;border-radius:999px;font-weight:650;white-space:nowrap}
.room-card:active{transform:scale(.985)}

.task-card.room-themed{
  background:#fffaf4;
  border-color:#e6d9ca;
  box-shadow:0 8px 22px rgba(86,61,44,.075);
}
.task-card.room-themed:before{background:#b18a68;width:3px}
.task-card.has-photo{display:grid;grid-template-columns:42px 82px minmax(0,1fr);align-items:start}
.task-card.has-photo .task-photo{grid-column:2;width:82px;height:82px;border-radius:14px;object-fit:cover;border:1px solid #e1d3c4;box-shadow:0 4px 12px rgba(73,51,35,.08)}
.task-card.has-photo .check-btn{grid-column:1;grid-row:1}
.task-card.has-photo .task-body{grid-column:3;grid-row:1}
.task-card.room-themed .badge{background:#f0e4d6;color:#795a43}
.task-card.room-themed .check-btn{border-color:#9b7457;background:#fffdf9}
.task-card.room-themed .check-btn.done{background:#8a644a}
.task-meta{color:#8b7768}
.small-btn{color:#6e5341}
.empty-card{background:#fffaf4;border-color:#dfd1c1}.empty-card>div{background:#efe2d4;color:#795b46}

.task-image-picker{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:3px}
.task-image-option{position:relative;display:grid;gap:7px;border:1px solid #e4d7c8;border-radius:15px;padding:7px;background:#fffdf9;cursor:pointer;overflow:hidden;min-width:0}
.task-image-option input{position:absolute;opacity:0;pointer-events:none}
.task-image-option img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;display:block}
.task-image-option span{font-size:12px;font-weight:700;color:#6b5140;padding:0 3px 2px;line-height:1.2}
.task-image-option.selected{border-color:#9b7255;box-shadow:0 0 0 2px rgba(155,114,85,.13)}
.task-image-option.selected:after{content:'✓';position:absolute;top:11px;right:11px;width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:#8a644a;color:white;font-weight:800;box-shadow:0 2px 8px rgba(0,0,0,.18)}
.task-image-option .no-image{display:grid;place-items:center;min-height:88px;background:#f4eadf;border-radius:10px;color:#8b7563}
.member-card .avatar{background:color-mix(in srgb,var(--member-color) 12%,#fff9f2);border-color:color-mix(in srgb,var(--member-color) 18%,#eadfd3)}

@media(max-width:640px){
  .room-card.photo-card{min-height:158px}
  .room-card.photo-card.compact{min-width:178px;min-height:132px}
  .room-card-copy{left:13px;right:13px;bottom:12px;display:grid;gap:5px;align-content:end}
  .room-card-copy strong{font-size:16px}
  .room-card-copy span{justify-self:start}
  .task-card.has-photo{grid-template-columns:42px 70px minmax(0,1fr);gap:10px}
  .task-card.has-photo .task-photo{width:70px;height:70px;border-radius:12px}
  .task-image-picker{grid-template-columns:1fr 1fr}
}


/* v0.5 compact HomeFlow branding + hero spacing */
.topbar{padding:14px 18px 13px;align-items:center;min-height:58px}
.brand-wordmark{font-size:23px;font-weight:820;letter-spacing:-.045em;line-height:1;color:#6f4e3b}
.brand-wordmark span{color:#a27757}
.hero-panel>.primary{margin-top:16px}
@media(max-width:640px){.topbar{align-items:center;padding:12px 14px 11px;min-height:54px}.brand-wordmark{font-size:22px}.hero-panel>.primary{margin-top:18px}}

/* HomeFlow Cloud Login */
.login-wrap{min-height:calc(100dvh - 92px);display:grid;place-items:center;padding:24px 0 42px}
.login-card{width:min(100%,460px);background:var(--card);border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:0 18px 50px rgba(77,58,47,.09)}
.login-card h1{margin:10px 0 8px;font-size:clamp(1.65rem,7vw,2.15rem);line-height:1.08;color:var(--text)}
.login-card form{display:grid;gap:14px;margin-top:24px}
.login-mark{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-weight:800;letter-spacing:-.04em;font-size:1.15rem}
.login-submit{width:100%;min-height:50px;margin-top:4px}
.login-help{font-size:.82rem;line-height:1.45;text-align:center;padding:2px 8px 0}
.login-error{background:#f8e9e4;color:#8b4637;border:1px solid #efd2c9;border-radius:14px;padding:11px 13px;margin-top:16px;font-size:.9rem}
.login-topbar{justify-content:center}
.sync-toast{position:fixed;z-index:1000;left:50%;bottom:92px;transform:translate(-50%,18px);background:#4d3a2f;color:#fffaf4;padding:10px 14px;border-radius:999px;font-size:.84rem;opacity:0;pointer-events:none;transition:.2s ease;box-shadow:0 8px 24px rgba(77,58,47,.2)}
.sync-toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:520px){.login-card{padding:22px;border-radius:24px}.login-wrap{padding-top:10px}}


/* v0.9 task filters */
.due-filter-head{align-items:flex-end}
.due-range-select{
  appearance:auto;
  min-height:44px;
  border:1px solid #ddcfbe;
  border-radius:13px;
  padding:0 38px 0 13px;
  background:#fffaf4;
  color:#4d3a2f;
  font-size:18px;
  font-weight:760;
  box-shadow:0 4px 12px rgba(86,61,44,.05);
}
.due-range-select:focus{outline:2px solid rgba(138,100,74,.20);outline-offset:2px}
.task-status-tabs{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:6px;
  padding:5px;
  margin-bottom:12px;
  border:1px solid #e2d5c6;
  border-radius:15px;
  background:#efe5da;
}
.task-status-tab{
  min-height:44px;
  border:0;
  border-radius:11px;
  background:transparent;
  color:#765f50;
  font-weight:720;
  cursor:pointer;
}
.task-status-tab span{
  display:inline-grid;
  place-items:center;
  min-width:24px;
  height:24px;
  padding:0 7px;
  margin-left:5px;
  border-radius:999px;
  background:rgba(255,255,255,.55);
  font-size:12px;
}
.task-status-tab.active{
  background:#fffaf4;
  color:#5d4434;
  box-shadow:0 3px 10px rgba(79,55,39,.10);
}
.task-status-tab.active span{background:#eadbcb;color:#6e503d}
.task-card.completed .check-btn:disabled{cursor:default;opacity:1}
@media(max-width:640px){
  .due-range-select{font-size:17px;max-width:220px}
}