:root{--bg:#f6f8fb;--surface:#fff;--surface-soft:#edf4fb;--text:#172033;--muted:#657084;--line:#dbe5f0;--navy:#12345b;--navy2:#0d2747;--green:#16865f;--amber:#f4a62a;--rose:#e65d75;--shadow:0 18px 45px rgba(18,52,91,.1);color-scheme:light}
body.dark{--bg:#09111f;--surface:#111c2d;--surface-soft:#17263b;--text:#edf4ff;--muted:#aab7c8;--line:#293a52;--navy:#8fc2ff;--navy2:#dbeeff;--green:#66d5a8;--amber:#ffce73;--rose:#ff8fa0;--shadow:0 18px 45px rgba(0,0,0,.28);color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 12% 0,rgba(217,235,255,.95),transparent 28rem),radial-gradient(circle at 88% 12%,rgba(255,248,232,.9),transparent 26rem),linear-gradient(180deg,var(--bg),var(--bg));color:var(--text);font-family:Inter,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.5}button,input,textarea,select{font:inherit}a{color:inherit}.app-header,main,.app-footer{width:min(1180px,calc(100% - 28px));margin-inline:auto}.app-header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 0}.back-link{color:var(--muted);font-weight:850;text-decoration:none}.theme-toggle,.button{border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);min-height:44px;padding:10px 14px;font-weight:850;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.button.primary{background:var(--navy);border-color:var(--navy);color:#fff}.hero{display:grid;grid-template-columns:minmax(0,1.2fr)minmax(290px,.8fr);gap:18px;padding:28px 0 16px}.hero>div,.hero-card,.planner-shell,.panel,.notice,.slot-card,.result-card{background:color-mix(in srgb,var(--surface) 94%,transparent);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.hero>div{padding:clamp(24px,5vw,46px)}.hero-card{padding:22px;display:grid;align-content:center;gap:8px}.hero-card span{color:var(--muted);font-weight:900}.hero-card strong{font-size:clamp(24px,4vw,38px);color:var(--navy2);line-height:1.08}.eyebrow{margin:0 0 10px;color:var(--green);font-weight:900}h1,h2,h3,p{margin-top:0}h1{margin-bottom:12px;font-size:clamp(38px,7vw,68px);line-height:.98;color:var(--navy2)}h2{font-size:clamp(22px,4vw,34px);line-height:1.1;margin-bottom:10px}.lead,.notice{color:var(--muted);font-size:18px}.planner-shell{margin-top:16px;padding:12px}.tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:10px}.tab{border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);min-height:42px;padding:9px 13px;font-weight:900;white-space:nowrap;cursor:pointer}.tab.active{background:var(--navy);border-color:var(--navy);color:#fff}.panel{display:none;padding:clamp(16px,3vw,24px)}.panel.active{display:block}.panel-head{display:flex;justify-content:space-between;gap:12px;align-items:start;margin-bottom:14px}.panel-head small{border-radius:999px;background:var(--surface-soft);padding:8px 10px;color:var(--muted);font-weight:850}.notice{padding:14px 16px;font-weight:750}.form-grid,.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}.quick-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.wide{grid-column:1/-1}label{display:grid;gap:6px;color:var(--muted);font-weight:850}input,textarea,select{border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--text);min-height:46px;padding:10px 12px;width:100%}textarea{resize:vertical}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 4px color-mix(in srgb,var(--navy) 14%,transparent)}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.slot-list,.result-grid{display:grid;gap:10px;margin-top:14px}.slot-card,.result-card{box-shadow:none;padding:14px}.slot-card{display:flex;justify-content:space-between;gap:10px;align-items:center}.slot-card button{border:0;border-radius:999px;background:var(--surface-soft);color:var(--muted);padding:8px 10px;font-weight:900;cursor:pointer}.result-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.result-card.best{border-color:color-mix(in srgb,var(--green) 50%,var(--line));background:linear-gradient(180deg,color-mix(in srgb,var(--green) 10%,var(--surface)),var(--surface))}.score{display:inline-flex;border-radius:999px;background:var(--surface-soft);padding:7px 10px;color:var(--navy2);font-weight:950}.members{color:var(--muted);font-size:14px}.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:20;background:var(--navy2);color:#fff;border-radius:999px;padding:11px 14px;box-shadow:var(--shadow);font-weight:850}.app-footer{display:flex;justify-content:space-between;gap:12px;padding:28px 0 24px;color:var(--muted);font-size:14px}@media(max-width:900px){.hero,.form-grid,.quick-grid,.result-grid{grid-template-columns:1fr}}@media(max-width:640px){.app-header,main,.app-footer{width:min(100% - 22px,1180px)}.hero{padding-top:12px}.hero>div,.hero-card,.panel{border-radius:16px;padding:17px}.panel-head{display:grid}.slot-card{display:grid}.app-footer{flex-direction:column}}
.ai-card{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:start;border:1px solid var(--line);border-radius:18px;background:linear-gradient(135deg,color-mix(in srgb,var(--navy) 7%,var(--surface)),var(--surface));padding:16px;margin-bottom:14px}.ai-card p{color:var(--muted);margin-bottom:0}.ai-card pre{grid-column:1/-1;white-space:pre-wrap;margin:0;background:var(--surface-soft);border:1px solid var(--line);border-radius:14px;padding:12px;color:var(--text);font-family:inherit;line-height:1.45}@media(max-width:900px){.ai-card{grid-template-columns:1fr}}