:root{--bg:#f6f3ea;--paper:#fffdf7;--ink:#171717;--muted:#6b6258;--line:#ded7c7;--accent:#4f46e5;--accent2:#10b981;--orange:#f97316;--red:#dc2626;--shadow:0 18px 60px rgba(28,25,23,.09)}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 10% 0%,#fff 0,#f6f3ea 36%,#ede7d8 100%);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Pretendard,"Apple SD Gothic Neo",sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1180px;margin:0 auto;padding:24px 18px 70px}.top{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.brand{font-weight:950;letter-spacing:-.04em;font-size:22px}.nav{display:flex;gap:8px;flex-wrap:wrap}.nav a{padding:10px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(255,253,247,.76);font-weight:850;color:#403b34}.nav a.active{background:#111827;color:white;border-color:#111827}.hero{background:linear-gradient(135deg,#111827,#312e81 55%,#4f46e5);color:white;border-radius:32px;padding:38px;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero:after{content:"";position:absolute;right:-110px;top:-90px;width:360px;height:360px;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 60%);border-radius:50%}.eyebrow{display:inline-block;font-weight:900;letter-spacing:.09em;font-size:13px;color:#c7d2fe;text-transform:uppercase}.hero h1{margin:10px 0 12px;font-size:clamp(38px,7vw,76px);line-height:.98;letter-spacing:-.07em}.lead{max-width:840px;color:#e5e7eb;font-size:18px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}.card,.section{background:var(--paper);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow)}.card{padding:24px;min-height:190px;display:flex;flex-direction:column}.card h2,.card h3{margin:0 0 10px;letter-spacing:-.04em}.card p{color:var(--muted);margin:0 0 18px}.cta{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-weight:900;color:var(--accent)}.section{margin-top:18px;padding:24px}.section h2{margin:0 0 14px;letter-spacing:-.04em}.toolbar{display:grid;grid-template-columns:1fr 180px 180px auto;gap:10px;align-items:center;margin-bottom:16px}input,select,button,textarea{font:inherit}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:12px;color:var(--ink)}button,.btn{border:0;border-radius:14px;background:#111827;color:white;padding:12px 15px;font-weight:900;cursor:pointer}.btn.secondary,button.secondary{background:#fff;color:#111827;border:1px solid var(--line)}.btn.danger,button.danger{background:var(--red)}.count{font-weight:900;color:var(--muted);white-space:nowrap}.list{display:grid;gap:12px}.item{display:grid;grid-template-columns:1fr auto;gap:14px;padding:17px;border:1px solid var(--line);border-radius:18px;background:#fff}.title{font-weight:950;font-size:18px}.meta{display:flex;gap:7px;flex-wrap:wrap;margin:8px 0}.pill{font-size:12px;font-weight:850;color:#57534e;background:#f4efe4;border:1px solid #ebe2d2;border-radius:999px;padding:4px 8px}.summary,.context{color:var(--muted)}.url{margin-top:8px;font-size:13px;color:#312e81;word-break:break-all}.star{font-weight:950;color:#d97706}.pager{display:flex;justify-content:center;gap:10px;margin-top:16px}.faq-q{font-size:19px;font-weight:950;margin:8px 0}.tags{display:flex;gap:6px;flex-wrap:wrap}.calendar-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.cal-nav{display:flex;gap:8px}.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-top:16px}.dow{font-weight:950;text-align:center;color:#6b6258}.day{min-height:118px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;cursor:pointer}.day.muted{opacity:.45}.day.selected{outline:3px solid var(--accent)}.num{font-weight:950}.event{margin-top:7px;padding:7px;border-radius:12px;background:#eef2ff;border:1px solid #c7d2fe;font-size:12px}.event .speaker{font-weight:950}.event.tentative{background:#fff7ed;border-color:#fed7aa}.schedule-layout{display:grid;grid-template-columns:1.4fr .8fr;gap:16px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.form-grid .full{grid-column:1/-1}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.small{font-size:13px;color:var(--muted)}.selected-list{display:grid;gap:8px}.lecture-row{border:1px solid var(--line);background:#fff;border-radius:16px;padding:12px}.lecture-row.active{outline:3px solid var(--accent)}.footer{margin-top:24px;color:var(--muted);font-size:13px;text-align:center}@media(max-width:900px){.top{align-items:flex-start;flex-direction:column}.grid,.schedule-layout{grid-template-columns:1fr}.toolbar{grid-template-columns:1fr}.calendar{gap:5px}.day{min-height:92px;padding:7px}.hero{padding:28px}.wrap{padding:18px 12px 54px}.item{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}}

/* schedule interaction refinements */
.cal-arrow{width:46px;height:46px;border-radius:999px;font-size:30px;line-height:1;padding:0;display:inline-flex;align-items:center;justify-content:center}.event{word-break:break-word}.event:hover,.lecture-row:hover{outline:2px solid var(--accent);outline-offset:1px}.form-card{scroll-margin-top:18px}
@media(max-width:600px){.wrap{padding:12px 10px 44px}.brand{font-size:19px}.nav{width:100%}.nav a{font-size:13px;padding:8px 10px}.hero{border-radius:22px;padding:24px}.hero h1{font-size:42px}.lead{font-size:15px}.section{padding:14px;border-radius:20px}.calendar-head{align-items:center}.cal-arrow{width:42px;height:42px;font-size:28px}.calendar{gap:3px}.dow{font-size:12px}.day{min-height:78px;padding:5px;border-radius:12px}.num{font-size:12px}.event{font-size:10px;padding:5px;margin-top:4px;border-radius:9px}.event div:not(.speaker){display:none}.schedule-layout{gap:8px}.actions button{flex:1 1 auto}.lecture-row{font-size:13px}.form-grid label{font-size:13px}input,select,textarea{padding:10px}}

/* mobile calendar overflow guard */
.calendar{grid-template-columns:repeat(7,minmax(0,1fr))}.day{min-width:0;overflow:hidden}.event{max-width:100%;overflow:hidden}.event .speaker{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.section{overflow:hidden}
@media(max-width:600px){.calendar{grid-template-columns:repeat(7,minmax(0,1fr));width:100%}.day{min-width:0;max-width:100%;overflow:hidden}.event{max-width:100%;overflow:hidden}.event .speaker{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.calendar-head h2{font-size:26px}.schedule-layout>.section:first-child{padding-left:10px;padding-right:10px}}

/* calendar event truncation and hover tooltip */
.event{position:relative;display:block;line-height:1.25}.event .speaker,.event .topic,.event .time{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.event:hover{z-index:20;overflow:visible}.event:hover::after{content:attr(title);position:absolute;left:0;top:calc(100% + 6px);width:max-content;max-width:min(340px,80vw);background:#111827;color:white;border-radius:12px;padding:10px 12px;font-size:12px;line-height:1.4;box-shadow:0 14px 35px rgba(0,0,0,.24);white-space:normal;word-break:keep-all;overflow-wrap:anywhere;pointer-events:none}.event:hover::before{content:"";position:absolute;left:14px;top:100%;border:6px solid transparent;border-bottom-color:#111827;z-index:21}
@media(max-width:600px){.event .topic,.event .time{display:none}.event:hover::after,.event:hover::before{display:none}}

/* body-level calendar tooltip: avoids clipping inside calendar cards */
.event:hover::after,.event:hover::before{display:none!important}.calendar-tooltip{position:fixed;z-index:9999;display:none;max-width:min(380px,86vw);background:#111827;color:#fff;border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:10px 12px;font-size:13px;line-height:1.45;box-shadow:0 18px 45px rgba(0,0,0,.32);pointer-events:none;white-space:normal;word-break:keep-all;overflow-wrap:anywhere}
@media(max-width:600px){.calendar-tooltip{display:none!important}}


/* read-only schedule view */
.schedule-hero .lead{max-width:760px}.notice-card{margin-top:18px;background:linear-gradient(135deg,#fffdf7,#eef2ff);border:1px solid var(--line);border-radius:24px;padding:18px 20px;display:flex;gap:16px;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}.notice-card strong{font-size:18px;letter-spacing:-.03em}.notice-card p{margin:4px 0 0;color:var(--muted)}.notice-pill{white-space:nowrap;background:#111827;color:#fff;border-radius:999px;padding:9px 13px;font-weight:900;font-size:13px}.schedule-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.schedule-stats article{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}.schedule-stats b{display:block;font-size:34px;line-height:1;color:#312e81;letter-spacing:-.05em}.schedule-stats span{display:block;margin-top:6px;color:var(--muted);font-weight:800}.readonly-layout{align-items:start}.calendar-panel{padding:22px}.side-panel{position:sticky;top:16px}.selected-date{font-size:30px;font-weight:950;letter-spacing:-.06em;margin:-6px 0 12px;color:#312e81}.readonly-list{display:grid;gap:10px}.readonly-item{display:grid;grid-template-columns:82px 1fr;gap:12px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:0 8px 26px rgba(28,25,23,.05)}.readonly-item h4{margin:0 0 4px;font-size:16px;letter-spacing:-.03em}.readonly-item p{margin:0;color:#4a443c;font-weight:650;line-height:1.38}.date-badge{border-radius:14px;background:#eef2ff;color:#312e81;padding:9px 8px;text-align:center;border:1px solid #d8defd}.date-badge b{display:block;font-size:13px;letter-spacing:-.03em}.date-badge span{display:block;font-size:12px;font-weight:900;margin-top:3px}.muted-badge{background:#ecfdf5;color:#047857;border-color:#bbf7d0}.empty-note{color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:16px;padding:14px;margin:0}.lecture-timeline{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.all-schedule-panel{overflow:visible}.calendar .day{transition:transform .12s ease,box-shadow .12s ease}.calendar .day:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(28,25,23,.08)}.event{border-left:3px solid var(--accent);background:#eef2ff}.event .time{color:#312e81;font-weight:950}.event.tentative{border-left-color:var(--accent2);background:#ecfdf5}@media(max-width:900px){.schedule-layout{grid-template-columns:1fr}.side-panel{position:static}.lecture-timeline{grid-template-columns:1fr}.notice-card{align-items:flex-start;flex-direction:column}.notice-pill{white-space:normal}.schedule-stats{grid-template-columns:1fr 1fr 1fr}}@media(max-width:600px){.schedule-stats{grid-template-columns:1fr}.schedule-stats article{padding:14px}.readonly-item{grid-template-columns:1fr}.date-badge{text-align:left;display:flex;gap:8px;align-items:center;justify-content:space-between}.selected-date{font-size:24px}.notice-card{border-radius:18px}.calendar-panel{padding:12px}.side-panel{padding:14px}}


/* read-only schedule polish v2 */
.compact-notice{display:block;padding:14px 18px;background:#fffdf7;border-left:5px solid var(--accent);box-shadow:0 12px 34px rgba(28,25,23,.06)}
.compact-notice p{margin:0;color:#3f3a33;font-weight:800;line-height:1.55}
.readonly-list{gap:12px}.readonly-item{background:#fff;border:1px solid #d8d0be;border-radius:20px;padding:14px;box-shadow:0 12px 34px rgba(28,25,23,.075)}
.readonly-item+ .readonly-item{margin-top:2px}.readonly-item h4{font-size:17px}.readonly-item p{color:#332f2a}.lecture-timeline .readonly-item{border-left:5px solid var(--accent)}
.side-panel .readonly-item{border-left:5px solid var(--orange)}
.tentative-speaker-card{background:#fff;border:1px solid #d8d0be;border-left:5px solid var(--accent2);border-radius:18px;padding:13px 14px;box-shadow:0 10px 26px rgba(28,25,23,.06)}
.tentative-speaker-card h4{margin:0;font-size:17px;letter-spacing:-.03em;color:#12352b}.tentative-speaker-card+ .tentative-speaker-card{margin-top:2px}
.all-schedule-panel .lecture-timeline{gap:14px}.selected-list.readonly-list{margin-top:8px}
@media(max-width:600px){.compact-notice{padding:13px 14px;border-radius:16px}.lecture-timeline .readonly-item,.side-panel .readonly-item,.tentative-speaker-card{border-left-width:4px}}



/* schedule polish v3 - force card separation */
.schedule-hero .lead{font-size:18px;line-height:1.65;max-width:980px;font-weight:750;color:#eef2ff}.compact-notice,.notice-card{display:none!important}
.schedule-card-list .lecture-timeline{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:14px!important;margin-top:8px!important}.schedule-card-list .readonly-list{display:grid!important;gap:12px!important}.schedule-card-list article.readonly-item,.lecture-timeline article.readonly-item{display:grid!important;grid-template-columns:92px minmax(0,1fr)!important;gap:14px!important;background:#fff!important;border:1px solid #d8d0be!important;border-left:6px solid var(--accent)!important;border-radius:22px!important;padding:16px!important;margin:0!important;box-shadow:0 12px 34px rgba(28,25,23,.09)!important}.side-panel article.readonly-item{border-left-color:var(--orange)!important}.schedule-card-list article.readonly-item h4,.lecture-timeline article.readonly-item h4{margin:0 0 7px!important;font-size:17px!important;line-height:1.25!important}.schedule-card-list article.readonly-item p,.lecture-timeline article.readonly-item p{margin:0!important;line-height:1.45!important;color:#332f2a!important}.schedule-card-list .date-badge{background:#eef2ff!important;border:1px solid #d8defd!important;border-radius:16px!important;padding:10px 8px!important;text-align:center!important;align-self:start!important}.schedule-card-list .date-badge b{display:block!important;font-size:13px!important}.schedule-card-list .date-badge span{display:block!important;margin-top:4px!important;font-size:12px!important;font-weight:950!important}.tentative-speaker-card{display:block!important;background:#fff!important;border:1px solid #d8d0be!important;border-left:6px solid var(--accent2)!important;border-radius:18px!important;padding:14px 16px!important;margin:0!important;box-shadow:0 10px 28px rgba(28,25,23,.075)!important}.tentative-speaker-card h4{margin:0!important;font-size:17px!important;line-height:1.25!important;color:#12352b!important}.readonly-list .tentative-speaker-card+.tentative-speaker-card{margin-top:0!important}@media(max-width:900px){.schedule-card-list .lecture-timeline{grid-template-columns:1fr!important}}@media(max-width:600px){.schedule-hero .lead{font-size:15px}.schedule-card-list article.readonly-item,.lecture-timeline article.readonly-item{grid-template-columns:1fr!important;padding:14px!important;border-left-width:5px!important}.schedule-card-list .date-badge{text-align:left!important;display:flex!important;justify-content:space-between!important;gap:10px!important}.schedule-card-list .lecture-timeline{gap:10px!important}}


/* links mobile optimization v1 - prevent right clipping without horizontal card scroll */
html,body{max-width:100%;overflow-x:hidden}.item>*{min-width:0}.title,.summary,.context,.url,.url a{max-width:100%;min-width:0}.url a{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.summary,.context{overflow-wrap:anywhere;word-break:keep-all}.title{overflow-wrap:anywhere;word-break:keep-all}.meta{min-width:0;max-width:100%;overflow-x:auto;overflow-y:hidden;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:2px}.meta::-webkit-scrollbar{display:none}.pill{flex:0 0 auto;max-width:min(72vw,360px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.star{white-space:nowrap}
@media(max-width:700px){.toolbar{grid-template-columns:1fr!important;gap:8px}.count{white-space:normal}.list{gap:10px}.item{display:grid!important;grid-template-columns:minmax(0,1fr)!important;gap:8px!important;padding:14px!important;border-radius:18px!important;max-width:100%!important;overflow:hidden!important}.item .title{font-size:16px!important;line-height:1.32!important;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.item .summary{font-size:14px!important;line-height:1.45!important;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.item .context{font-size:12px!important;line-height:1.42!important;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.item .url{font-size:12px!important;border-top:1px solid #f0e7d8;padding-top:8px}.item .star{justify-self:start;font-size:13px;order:-1}.section{max-width:100%;overflow:hidden}.hero{max-width:100%;overflow:hidden}}


/* links mobile hero text guard */
@media(max-width:700px){.hero .lead{max-width:100%!important;white-space:normal!important;overflow-wrap:anywhere!important;word-break:keep-all!important;line-height:1.55!important}.hero:after{right:-190px!important}}


/* links mobile hard overflow guard */
@media(max-width:700px){body,.wrap,.hero,.section,.list,.item{width:100%!important;max-width:100%!important;min-width:0!important}.hero .lead{display:block!important;width:100%!important;max-width:100%!important;min-width:0!important;word-break:break-all!important;overflow-wrap:anywhere!important;overflow:hidden!important}.hero h1{max-width:100%!important;word-break:keep-all!important}.wrap{overflow-x:hidden!important}}