:root{
  --oc-bg:#10171e;
  --oc-panel:#202a33;
  --oc-panel-2:#25313a;
  --oc-panel-deep:#151e25;
  --oc-line:rgba(174,196,196,.095);
  --oc-line-soft:rgba(174,196,196,.065);
  --oc-text:#eef3f5;
  --oc-muted:#b8c3ca;
  --oc-muted-2:#96a7b2;
  --oc-gold:#efbd55;
  --oc-gold-soft:#f5d58b;
  --oc-cyan:#7fcfc3;
  --oc-danger:#ef8c8c;
  --oc-shadow:0 20px 48px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:radial-gradient(circle at 50% -18%,rgba(229,189,99,.045),transparent 34%),linear-gradient(180deg,#10171e 0%,#151e25 100%);color:var(--oc-text);font-family:"Inter","Pretendard","Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",Arial,sans-serif;font-size:15px;font-weight:300}
a{color:inherit;text-decoration:none}
button,input{font:inherit;font-weight:300}
button{color:inherit}
em{font-style:normal;color:var(--oc-gold)}
.baro-open-root{min-height:100vh;padding:26px 22px 26px}
.oc-page{width:min(1420px,100%);margin:0 auto}

/* STUDY PAGE · top/bottom outer gap stays exactly 26px */
body.oc-study-page{height:100vh;min-height:100vh;overflow:hidden}
body.oc-study-page .oc-page{height:100%;min-height:0;display:flex;flex-direction:column}
body.oc-study-page .oc-topbar{flex:0 0 auto}
body.oc-study-page .oc-study-shell{flex:1 1 auto;min-height:0}
body.oc-study-page .oc-study-side,
body.oc-study-page .oc-study-main{height:100%;min-height:0;max-height:none}

/* Common top bar: same FM704 density as the original STUDENT OPEN CLASS */
.oc-topbar{position:relative;overflow:hidden;min-height:84px;padding:16px 18px 17px;border:1px solid var(--oc-line);border-radius:16px;background:radial-gradient(circle at 92% 18%,rgba(229,189,99,.075),transparent 28%),linear-gradient(145deg,#25313a 0%,#1b252d 100%);display:flex;align-items:center;justify-content:space-between;gap:20px;box-shadow:0 18px 42px rgba(0,0,0,.23),inset 0 1px 0 rgba(255,255,255,.025)}
.oc-topbar::after{content:"";position:absolute;right:0;top:0;width:120px;height:1px;background:linear-gradient(90deg,transparent,rgba(239,189,85,.72))}
.oc-topbar>div:first-child{display:flex;flex-direction:column;gap:6px}
.oc-brand-kicker,.oc-system,.oc-kicker,.oc-section-kicker{font-size:14px;line-height:1.1;letter-spacing:.14em;color:#a9b7c0;font-weight:300}
.oc-brand-kicker{color:#9eabb4;letter-spacing:.24em}
.oc-topbar strong{font-size:24px;line-height:1;font-weight:330;letter-spacing:-.01em;color:#f2f5f6}
.oc-top-actions{display:flex;flex-direction:row;align-items:center;gap:13px}
.oc-system{white-space:nowrap;font-size:14px}
.oc-top-link,.oc-logout{min-height:34px;padding:0 11px;border:1px solid rgba(255,255,255,.07);border-radius:9px;background:rgba(255,255,255,.016);display:inline-flex;align-items:center;color:#c2cbd1;font-size:14px;font-family:inherit;font-weight:300;cursor:pointer}
.oc-top-link:hover,.oc-logout:hover{border-color:rgba(239,189,85,.26);color:#f5d58b}

/* MESSAGE PAGE · public reflection inside STEP BY STEP ENGLISH */
body.oc-message-page{min-height:100vh;overflow:auto}
.oc-message-shell{
  margin-top:14px;
  padding:14px;
  border:1px solid var(--oc-line);
  border-radius:16px;
  background:linear-gradient(155deg,#202a33 0%,#172129 100%);
  box-shadow:0 18px 44px rgba(0,0,0,.18),
             inset 0 1px 0 rgba(255,255,255,.018);
}
.oc-message-card{
  width:min(980px,100%);
  margin:0 auto;
  padding:34px 42px 40px;
  border:1px solid var(--oc-line);
  border-radius:15px;
  background:radial-gradient(circle at 86% 6%,rgba(239,189,85,.075),transparent 28%),
             linear-gradient(155deg,#25313a 0%,#1d2931 100%);
  box-shadow:0 16px 34px rgba(0,0,0,.19),
             inset 0 1px 0 rgba(255,255,255,.022);
}
.oc-message-head{
  padding:2px 0 26px;
  text-align:center;
  border-bottom:1px solid rgba(255,255,255,.055);
}
.oc-message-kicker{
  display:block;
  color:#a9b7c0;
  font-size:14px;
  line-height:1.2;
  letter-spacing:.14em;
  font-weight:300;
}
.oc-message-head h1{
  margin:10px 0 0;
  color:#f2f5f6;
  font-size:32px;
  line-height:1.28;
  letter-spacing:-.04em;
  font-weight:300;
}
.oc-message-head p{
  margin:10px auto 0;
  max-width:760px;
  color:#b8c3ca;
  font-size:15px;
  line-height:1.7;
}
.oc-message-audio{
  width:min(760px,100%);
  margin:22px auto 0;
  text-align:left;
}
.oc-message-body{
  width:min(820px,100%);
  margin:30px auto 0;
  color:#d9e1e5;
  font-size:17px;
  line-height:1.9;
  letter-spacing:-.012em;
}
.oc-message-body p{margin:0 0 18px}
.oc-message-body .oc-message-question{
  color:#f0cf78;
  font-size:18px;
}
.oc-message-body .oc-message-line{
  color:#eef3f5;
}
.oc-message-body .oc-message-strong{
  color:#f5d58b;
}
.oc-message-final{
  margin-top:34px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.065);
}
.oc-message-final p{
  margin:0 0 16px;
  color:#eef3f5;
}
.oc-message-final strong{
  display:block;
  margin-top:24px;
  color:#f5d58b;
  font-size:24px;
  line-height:1.3;
  font-weight:330;
  letter-spacing:-.02em;
}
.oc-message-return{
  display:flex;
  justify-content:center;
  margin-top:32px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.055);
}

/* Landing / course list keep the same palette and typography */
.oc-home-shell,.oc-course-shell{margin-top:14px;border:1px solid var(--oc-line);border-radius:16px;background:linear-gradient(155deg,#202a33 0%,#172129 100%);padding:14px;box-shadow:0 18px 44px rgba(0,0,0,.18),inset 0 1px 0 rgba(255,255,255,.018)}
.oc-home-hero,.oc-course-head{padding:20px;border:1px solid var(--oc-line-soft);border-radius:15px;background:radial-gradient(circle at 100% 0%,rgba(239,189,85,.085),transparent 38%),linear-gradient(145deg,#202c34 0%,#172129 100%)}
.oc-home-hero h1,.oc-course-head h1{margin:10px 0 0;font-size:30px;font-weight:300;letter-spacing:-.04em;line-height:1.25}
.oc-home-hero p,.oc-course-head p{margin:10px 0 0;color:#c2cbd1;font-size:15px;line-height:1.65}
.oc-learner-line{margin-top:12px;padding-top:10px;border-top:1px solid rgba(255,255,255,.055);display:flex;justify-content:space-between;gap:15px;color:#c2cbd1;font-size:14px}
.oc-learner-line strong{color:#eef3f5;font-weight:300}
.oc-subject-grid{margin-top:16px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.oc-subject-card{min-height:172px;padding:18px;border:1px solid var(--oc-line-soft);border-radius:14px;background:linear-gradient(155deg,#1d2835,#172129);display:flex;flex-direction:column}
.oc-subject-card span{font-size:14px;letter-spacing:.12em;color:#a9b7c0}.oc-subject-card strong{margin-top:9px;font-size:22px;font-weight:300;letter-spacing:-.035em}.oc-subject-card p{margin:9px 0 0;color:#c2cbd1;line-height:1.6}.oc-subject-card b{margin-top:auto;padding-top:16px;color:#96a7b2;font-size:14px;font-weight:300}.oc-subject-card.is-active{border-color:rgba(239,189,85,.25);background:radial-gradient(circle at 100% 0%,rgba(239,189,85,.10),transparent 35%),linear-gradient(155deg,#223039,#172129)}.oc-subject-card.is-active strong,.oc-subject-card.is-active b{color:#f5d58b}.oc-subject-card.is-soon{opacity:.72}
.oc-week-list{display:grid;gap:8px;margin-top:12px}.oc-week-day{min-height:52px;padding:0 14px;border:1px solid var(--oc-line-soft);border-radius:11px;background:rgba(255,255,255,.014);display:grid;grid-template-columns:80px minmax(0,1fr) auto;align-items:center;gap:14px}.oc-week-day span,.oc-week-day b{font-size:14px;color:#a9b7c0;font-weight:300}.oc-week-day strong{font-size:15px;font-weight:300}.oc-week-day.is-current{border-color:rgba(239,189,85,.27);background:rgba(239,189,85,.045)}.oc-week-day.is-current span,.oc-week-day.is-current b{color:#f0cf78}.oc-promise{margin-top:12px;padding:12px 14px;border-top:1px solid rgba(255,255,255,.055);color:#b8c3ca;font-size:14px;line-height:1.55}.oc-promise strong{color:#f0cf78;font-weight:300}.oc-empty{margin-top:16px;padding:30px;border:1px solid var(--oc-line);border-radius:15px;background:linear-gradient(160deg,#202a33,#172129)}.oc-empty h1{font-size:26px;font-weight:300}.oc-empty p{color:#c2cbd1}

/* COURSE MAP · STEP BY STEP ENGLISH */
body.oc-course-map-page{height:100vh;min-height:100vh;overflow:hidden}
body.oc-course-map-page .oc-page{height:100%;min-height:0;display:flex;flex-direction:column}
body.oc-course-map-page .oc-topbar{flex:0 0 auto}
.oc-course-map-shell{flex:1 1 auto;min-height:0;margin-top:14px;padding:14px;border:1px solid var(--oc-line);border-radius:16px;background:linear-gradient(155deg,#202a33 0%,#172129 100%);box-shadow:0 18px 44px rgba(0,0,0,.18),inset 0 1px 0 rgba(255,255,255,.018);display:grid;grid-template-columns:minmax(300px,.82fr) minmax(0,2.18fr);gap:14px;overflow:hidden}
.oc-course-map-intro,.oc-course-map-main{min-width:0;min-height:0;border:1px solid var(--oc-line);border-radius:15px;background:linear-gradient(155deg,#25313a 0%,#1d2931 100%);box-shadow:0 16px 34px rgba(0,0,0,.19),inset 0 1px 0 rgba(255,255,255,.022)}
.oc-course-map-intro{padding:14px;display:flex;flex-direction:column;gap:12px;overflow:hidden}
.oc-course-map-hero{padding:20px 18px 18px;border:1px solid var(--oc-line);border-radius:15px;background:radial-gradient(circle at 86% 10%,rgba(239,189,85,.11),transparent 32%),linear-gradient(145deg,#202c34 0%,#172129 62%,#10171e 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.025)}
.oc-course-map-hero h1{margin:10px 0 0;color:#f0cf78;font-size:25px;line-height:1.2;letter-spacing:-.035em;font-weight:300}
.oc-course-map-hero p{margin:10px 0 0;color:#c2cbd1;font-size:15px;line-height:1.65}
.oc-course-map-guide{padding:17px 16px;border:1px solid var(--oc-line-soft);border-radius:14px;background:linear-gradient(160deg,#202b35,#172129)}
.oc-course-map-guide-row{display:grid;grid-template-columns:92px minmax(0,1fr);gap:12px;align-items:start;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.oc-course-map-guide-row:last-child{padding-bottom:0;border-bottom:0}
.oc-course-map-guide-row strong{color:#f0cf78;font-size:15px;line-height:1.45;font-weight:340;white-space:nowrap}
.oc-course-map-guide-row span{color:#b8c3ca;font-size:15px;line-height:1.55}
.oc-course-map-note{margin-top:auto;padding:14px 15px;border-top:1px solid rgba(239,189,85,.18);background:linear-gradient(90deg,rgba(239,189,85,.035),transparent 76%)}
.oc-course-map-note strong{display:block;color:#f0cf78;font-size:14px;font-weight:320}
.oc-course-map-note span{display:block;margin-top:6px;color:#9eafba;font-size:14px;line-height:1.5}
.oc-course-map-main{padding:14px;display:flex;flex-direction:column;overflow:hidden}
.oc-course-map-head{flex:0 0 auto;min-height:104px;padding:17px 18px;border:1px solid var(--oc-line);border-radius:15px;background:radial-gradient(circle at 90% 12%,rgba(239,189,85,.10),transparent 30%),linear-gradient(145deg,#202c34 0%,#172129 72%);display:flex;align-items:center;justify-content:space-between;gap:20px}
.oc-course-map-head h2{margin:8px 0 0;color:#f1f4f5;font-size:26px;line-height:1.18;font-weight:300;letter-spacing:-.04em}
.oc-course-map-head p{margin:7px 0 0;color:#aebbc5;font-size:13px;line-height:1.55;letter-spacing:-.01em}
.oc-course-map-count{flex:0 0 auto;min-height:32px;padding:0 12px;display:inline-flex;align-items:center;border:1px solid rgba(127,207,195,.20);border-radius:999px;background:rgba(127,207,195,.045);color:#a8ded2;font-size:12px;letter-spacing:.08em;white-space:nowrap}
.oc-course-map-scroll{flex:1 1 auto;min-height:0;margin-top:12px;padding:12px 10px 12px 12px;overflow:auto;border:1px solid var(--oc-line);border-radius:15px;background:linear-gradient(155deg,#223039 0%,#182229 100%);scrollbar-width:thin;scrollbar-color:rgba(142,153,166,.56) rgba(22,27,33,.72)}
.oc-course-map-scroll::-webkit-scrollbar{width:9px;height:9px}.oc-course-map-scroll::-webkit-scrollbar-track{background:#171d24;border-radius:999px}.oc-course-map-scroll::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#4b5663,#334149);border:2px solid #171d24;border-radius:999px}.oc-course-map-scroll::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#5b6876,#3b4852)}
.oc-course-map-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}
.oc-course-map-card{position:relative;min-width:0;min-height:316px;padding:16px 17px 13px;display:flex;flex-direction:column;border:1px solid rgba(255,255,255,.06);border-radius:13px;background:radial-gradient(circle at 100% 0%,rgba(127,207,195,.025),transparent 34%),linear-gradient(160deg,#202b38 0%,#19232e 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.02);transition:border-color .15s ease,transform .15s ease,background .15s ease}
a.oc-course-map-card:hover{transform:translateY(-1px);border-color:rgba(239,189,85,.24);background:radial-gradient(circle at 100% 0%,rgba(239,189,85,.06),transparent 34%),linear-gradient(160deg,#222e3a 0%,#1a252f 100%)}
.oc-course-map-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#a9b7c0;font-size:14px;line-height:1.2;font-weight:300;letter-spacing:.10em}
.oc-course-map-last-arrow{flex:0 0 auto;color:#efbd55;font-size:19px;line-height:1;font-weight:300;opacity:0;transform:translateX(-3px)}
.oc-course-map-card.is-last-position .oc-course-map-last-arrow{opacity:1;transform:translateX(0)}
.oc-course-map-card>strong{margin-top:12px;min-width:0;color:#f0f4f6;font-size:18px;line-height:1.3;font-weight:320;letter-spacing:-.035em}
.oc-course-map-card>p{margin:6px 0 0;min-height:20px;color:#c2cbd1;font-size:14px;line-height:1.55;font-weight:300;letter-spacing:-.012em}
.oc-course-map-days{margin-top:13px;padding-top:10px;display:grid;gap:1px;border-top:1px solid rgba(255,255,255,.055)}
.oc-course-map-day{min-height:25px;display:grid;grid-template-columns:62px minmax(0,1fr);gap:10px;align-items:center;padding:2px 0}
.oc-course-map-day span{color:#96a7b2;font-size:14px;line-height:1.45;font-weight:300;letter-spacing:0;white-space:nowrap}
.oc-course-map-day strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#d9e1e5;font-size:14px;line-height:1.45;font-weight:300;letter-spacing:0}
.oc-course-map-day.is-review span{color:#96a7b2}.oc-course-map-day.is-review strong{color:#d9e1e5}
.oc-course-map-card-meta{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid rgba(255,255,255,.045);color:#96a7b2;font-size:14px;font-weight:300;letter-spacing:0}
.oc-course-map-card.is-disabled{opacity:.42;cursor:default}.oc-course-map-card.is-disabled>strong{color:#a9b7c0}

/* STUDY PAGE: matched to uploaded original step_by_step.php */
.oc-study-shell{
  margin-top:14px;
  padding:14px;
  border:1px solid var(--oc-line);
  border-radius:16px;
  background:linear-gradient(155deg,#202a33 0%,#172129 100%);
  box-shadow:0 18px 44px rgba(0,0,0,.18),
             inset 0 1px 0 rgba(255,255,255,.018);
  display:grid;
  grid-template-columns:minmax(310px,1fr) minmax(0,2fr);
  gap:14px;
}
.oc-study-side,.oc-study-main{height:100%;min-height:0;max-height:none;min-width:0;border:1px solid var(--oc-line);border-radius:15px;background:linear-gradient(155deg,#25313a 0%,#1d2931 100%);box-shadow:0 16px 34px rgba(0,0,0,.19),inset 0 1px 0 rgba(255,255,255,.022)}
.oc-study-side{padding:14px;display:flex;flex-direction:column;gap:12px;overflow:hidden}
.oc-side-hero{padding:17px 16px 16px;border:1px solid var(--oc-line);border-radius:15px;background:radial-gradient(circle at 82% 18%,rgba(239,189,85,.11),transparent 30%),linear-gradient(145deg,#202c34 0%,#172129 62%,#10171e 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.025)}
.oc-side-course-row{margin-top:8px;display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0}.oc-side-course-row h2{min-width:0;margin:0;color:#f0cf78;font-size:23px;line-height:1.2;letter-spacing:-.035em;font-weight:300}.oc-course-minutes{flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;min-height:32px;padding:0 11px;border:1px solid rgba(127,207,195,.20);border-radius:999px;background:rgba(127,207,195,.045);color:#a8ded2;font-size:14px;font-weight:300;white-space:nowrap}.oc-course-minutes:before{content:"";width:7px;height:7px;border-radius:50%;background:#7fcfc3;box-shadow:0 0 0 4px rgba(127,207,195,.10)}.oc-side-hero p{margin:8px 0 0;color:#c2cbd1;font-size:14px;line-height:1.55;font-weight:300}
.oc-schedule{flex:1 1 auto;min-height:0;padding:12px 14px;overflow:auto;border:1px solid var(--oc-line);border-radius:15px;background:linear-gradient(155deg,#223039 0%,#182229 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.02)}
.oc-schedule-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.055)}.oc-chapter-switch{flex:1 1 auto;min-width:0;display:grid;grid-template-columns:28px minmax(0,1fr) 28px;align-items:center;gap:6px}.oc-chapter-switch strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;color:#eef3f5;font-size:14px;font-weight:300}.oc-chapter-step{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.08);border-radius:8px;background:rgba(255,255,255,.018);color:#cbd6e1;font-size:18px;line-height:1;text-decoration:none}.oc-chapter-step:hover{border-color:rgba(239,189,85,.28);color:#f5d58b}.oc-chapter-step.is-disabled{opacity:.28;cursor:default}.oc-schedule-head>span{flex:0 0 auto;color:#d8b554;font-size:14px}.oc-day-list{display:grid;gap:6px;margin-top:8px}.oc-day-item{min-height:46px;display:grid;grid-template-columns:68px minmax(0,1fr) auto;align-items:center;gap:10px;padding:8px 10px;border:1px solid rgba(255,255,255,.05);border-radius:11px;background:rgba(255,255,255,.014);color:#d9e1e5;font-size:14px;text-decoration:none}.oc-day-item span{color:#96a7b2}.oc-day-item b{color:#7e8c9b;font-size:14px;font-weight:300}.oc-day-item strong{color:#d9e1e5;font-size:14px;font-weight:300}.oc-day-item.is-current{border-color:rgba(239,189,85,.25);background:rgba(239,189,85,.045)}.oc-day-item.is-current span,.oc-day-item.is-current b{color:#f0cf78}.oc-day-item.is-current strong{color:#f0f3f6}.oc-side-note{padding:12px 14px;border-top:1px solid rgba(255,255,255,.055);color:#b8c3ca;font-size:14px;line-height:1.55}.oc-side-note strong{color:#f0cf78;font-weight:300}

.oc-study-main{padding:14px;display:flex;flex-direction:column;gap:12px;overflow:hidden}
.oc-study-head{flex:0 0 auto;min-height:96px;padding:11px 16px;display:flex;align-items:center;border:1px solid var(--oc-line);border-radius:15px;background:radial-gradient(circle at 82% 18%,rgba(239,189,85,.11),transparent 30%),linear-gradient(145deg,#202c34 0%,#172129 62%,#10171e 100%);box-shadow:var(--oc-shadow),inset 0 1px 0 rgba(255,255,255,.025)}.oc-study-head-copy{width:100%;min-width:0}.oc-study-meta{display:block;color:#a9b7c0;font-size:14px;line-height:1.2;letter-spacing:.10em}.oc-study-title{margin:5px 0 0;color:#f1f4f5;font-size:22px;line-height:1.18;font-weight:300;letter-spacing:-.035em;white-space:nowrap}

.oc-study-formula{
  margin:3px 0 0;
  color:#efbd55;
  font-size:22px;
  line-height:1.25;
  font-weight:300;
  letter-spacing:-.02em;
  white-space:nowrap;
}

.oc-stage-tabs{flex:0 0 auto;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}.oc-stage-tabs button{min-height:42px;padding:0 9px;border:1px solid rgba(255,255,255,.06);border-radius:10px;background:rgba(255,255,255,.018);color:#96a7b2;font-size:14px;cursor:not-allowed}.oc-stage-tabs button.is-open{cursor:pointer;color:#cbd6e1;border-color:rgba(255,255,255,.085)}.oc-stage-tabs button.is-active{cursor:pointer;border-color:rgba(239,189,85,.30);background:rgba(239,189,85,.06);color:#f5d58b}.oc-stage-tabs button.is-done{cursor:pointer;border-color:rgba(127,207,195,.18);color:#a8ded2;background:rgba(127,207,195,.035)}.oc-stage-tabs button:disabled{cursor:not-allowed}
.oc-stage-scroll{flex:1 1 auto;min-height:0;overflow:hidden;border:1px solid var(--oc-line);border-radius:16px;background:linear-gradient(155deg,#223039 0%,#182229 100%);box-shadow:0 15px 34px rgba(0,0,0,.18),inset 0 1px 0 rgba(255,255,255,.02)}.oc-panel{display:none;height:100%;min-height:0;overflow:auto;padding:18px 20px}.oc-panel.is-active{display:block}.oc-panel h2{margin:7px 0 0;color:#f1f4f5;font-size:27px;line-height:1.25;font-weight:300;letter-spacing:-.04em}.oc-copy{margin:9px 0 0;color:#c2cbd1;font-size:15px;line-height:1.65}

.oc-lesson-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:14px;
  margin-top:18px;
}
.oc-lesson-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;margin-top:18px}.oc-one-point,.oc-example,.oc-word-card,.oc-quiz-card,.oc-sentence-card,.oc-complete-card{border:1px solid rgba(255,255,255,.055);border-radius:14px;background:rgba(255,255,255,.018)}.oc-one-point{padding:17px}.oc-one-point>span{color:#a9b7c0;font-size:14px;letter-spacing:.10em}.oc-point-box{margin-top:12px;padding:14px;border-left:2px solid rgba(239,189,85,.55);background:rgba(239,189,85,.035);color:#eef3f5;font-size:18px;line-height:1.55}.oc-point-box strong{color:#f5d58b;font-size:18px;font-weight:380}.oc-point-box p{margin:3px 0 0;color:#eef3f5}

.oc-breakdown{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,2fr);
  gap:10px;
  align-items:start;
  margin-top:8px;
  color:#d9e1e5;
  font-size:14px;
  line-height:1.55;
}

.oc-breakdown{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,2fr);
  gap:10px;
  align-items:start;
  margin-top:8px;
  color:#d9e1e5;
  font-size:14px;
  line-height:1.55;
}

.oc-breakdown span{color:#96a7b2;font-size:14px}.oc-breakdown b{font-size:14px;font-weight:300}.oc-audio-box{margin-top:14px;padding:14px;border:1px dashed rgba(239,189,85,.24);border-radius:12px;background:rgba(239,189,85,.025)}.oc-audio-box>span{display:block;color:#a9b7c0;font-size:14px;letter-spacing:.08em}.oc-audio-box strong{display:block;margin-top:6px;color:#f5d58b;font-size:16px;font-weight:300}.oc-audio-box small{display:block;margin-top:5px;color:#96a7b2;font-size:14px;line-height:1.45}

.oc-audio-box audio{
  width:100%;
  height:42px;
  margin-top:7px;
  border-radius:999px;
  background:#2b373f;
  color-scheme:dark;
}

.oc-audio-box audio::-webkit-media-controls-enclosure{
  background:linear-gradient(180deg,#334149 0%,#2b373f 100%);
  border:1px solid rgba(255,255,255,.08);
  border-radius:999px;
}

.oc-audio-box audio::-webkit-media-controls-panel{
  background:transparent;
}

.oc-audio-box audio::-webkit-media-controls-play-button,
.oc-audio-box audio::-webkit-media-controls-mute-button,
.oc-audio-box audio::-webkit-media-controls-overflow-button{
  filter:invert(1) brightness(1.35);
}

.oc-audio-box audio::-webkit-media-controls-current-time-display,
.oc-audio-box audio::-webkit-media-controls-time-remaining-display{
  color:#eef3f5;
  text-shadow:none;
}


.oc-example-list{display:grid;gap:7px}.oc-example{padding:11px 15px;min-height:0}.oc-example strong{display:block;color:#eef3f5;font-size:17px;line-height:1.45;font-weight:300}.oc-example span{display:block;margin-top:3px;color:#b2c0c7;font-size:14px;line-height:1.45}

.oc-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.oc-btn{min-height:44px;padding:0 16px;border:1px solid rgba(255,255,255,.09);border-radius:10px;background:linear-gradient(180deg,#334149,#2b373f);color:#dce6f0;font-size:14px;cursor:pointer}.oc-btn.primary{border-color:rgba(239,189,85,.34);background:linear-gradient(180deg,#554723,#3d351f);color:#f4d57b}.oc-btn:disabled{cursor:not-allowed;opacity:.42}

.oc-section-line,.oc-study-tools{display:flex;align-items:center;justify-content:space-between;gap:10px}.oc-tts-tools,.oc-study-tools>div{display:inline-flex;align-items:center;gap:7px;flex-wrap:wrap}.oc-tts-tools>span{color:#96a7b2;font-size:14px;line-height:1;letter-spacing:.08em}.oc-tool-btn{min-height:36px;padding:0 12px;border:1px solid rgba(255,255,255,.08);border-radius:10px;background:linear-gradient(180deg,#334149 0%,#2b373f 100%);color:#eef3f5;font-size:14px;line-height:1;font-family:inherit;font-weight:300;cursor:pointer}.oc-tool-btn:hover{border-color:rgba(239,189,85,.28);color:#f1d58a}.oc-tool-btn:disabled{opacity:.38;cursor:not-allowed;border-color:rgba(255,255,255,.05);color:#96a7b2}.oc-tool-btn.is-active{border-color:rgba(127,207,195,.30);background:linear-gradient(180deg,#24504d 0%,#193b3b 100%);color:#a8ded2}
.oc-choice-headphone{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border-radius:8px;border:1px solid #213142;background:#0e151c;color:#eef3f5;font-size:16px;line-height:1;font-family:inherit;flex:0 0 auto}.oc-choice-headphone:hover{background:#151a20;border-color:#213142}.oc-choice-headphone:disabled{opacity:.38;cursor:not-allowed}
.oc-choice-speed{-webkit-appearance:none;appearance:none;width:160px;height:2px;margin:0 1px;background:rgba(210,220,228,.22);border:0;border-radius:999px;outline:none;cursor:pointer}.oc-choice-speed::-webkit-slider-runnable-track{height:2px;background:rgba(210,220,228,.22);border-radius:999px}.oc-choice-speed::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;background:#22a3f9;border:0;border-radius:50%;cursor:pointer;margin-top:-6px}.oc-choice-speed::-moz-range-track{height:2px;background:rgba(210,220,228,.22);border:0;border-radius:999px}.oc-choice-speed::-moz-range-thumb{width:16px;height:16px;background:#22a3f9;border:0;border-radius:50%;cursor:pointer}.oc-choice-speed:disabled{opacity:.38;cursor:not-allowed}.oc-choice-speed-label{min-width:38px;color:#eef3f5;font-size:14px;line-height:1;letter-spacing:0;white-space:nowrap}
.oc-word-note{margin-top:12px;color:#b8c3ca;font-size:14px}.oc-word-note strong{color:#d9e1e5;font-weight:300}.oc-word-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:18px}.oc-word-card{min-height:108px;padding:14px 10px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer;transition:.15s ease;color:#eef3f5}.oc-word-card:hover{border-color:rgba(239,189,85,.20)}.oc-word-card span{color:#eef3f5;font-size:18px;font-weight:300}.oc-word-card b{margin-top:8px;color:transparent;font-size:14px;line-height:1.35;font-weight:300;user-select:none}.oc-word-card.is-revealed{border-color:rgba(127,207,195,.18);background:rgba(127,207,195,.025)}.oc-word-card.is-revealed b{color:#c2cbd1}.oc-word-card.is-speaking{box-shadow:inset 0 0 0 1px rgba(239,189,85,.35)}.oc-word-hint{margin-top:12px;color:#b8c3ca;font-size:14px}

.oc-study-tools{margin-top:12px}.oc-quiz-status{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;color:#c2cbd1;font-size:14px}.oc-quiz-card{margin-top:10px;padding:16px}.oc-question{color:#f1f4f5;font-size:23px;line-height:1.5;font-weight:300;text-align:center}.oc-question .blank{color:#efbd55;letter-spacing:.06em}.oc-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}.oc-choice-grid button{width:100%;min-height:52px;padding:0 17px;border:1px solid rgba(174,196,196,.095);border-radius:11px;background:linear-gradient(180deg,#334149,#2b373f);box-shadow:inset 0 1px 0 rgba(255,255,255,.018);color:#eef3f5;font-size:16px;font-weight:300;line-height:1.35;text-align:left;cursor:pointer;transition:border-color .16s ease,transform .16s ease,background .16s ease}.oc-choice-grid button:last-child:nth-child(odd){grid-column:1/-1}.oc-choice-grid button:hover{transform:translateY(-1px);border-color:rgba(239,189,85,.23);color:#f1f4f5}.oc-choice-grid button:disabled{transform:none}.oc-choice-grid button.is-correct{border-color:rgba(127,207,195,.30);background:rgba(127,207,195,.07);color:#a8ded2}.oc-choice-grid button.is-wrong{border-color:rgba(230,133,133,.28);background:rgba(230,133,133,.05);color:#f0c2c2}.oc-feedback{min-height:46px;margin-top:12px;padding:11px 13px;border:1px solid rgba(255,255,255,.055);border-radius:10px;background:rgba(255,255,255,.016);color:#b8c3ca;font-size:14px;line-height:1.5}.oc-feedback.good{color:#bff7ef;border-color:rgba(127,207,195,.18)}.oc-feedback.bad{color:#efc2c2;border-color:rgba(230,133,133,.18)}
.oc-sentence-card{margin-top:16px;padding:20px}.oc-korean-prompt{color:#eef3f5;font-size:20px;line-height:1.5;text-align:center}.oc-sentence-input{width:100%;min-height:48px;margin-top:16px;padding:0 14px;border:1px solid rgba(255,255,255,.08);border-radius:10px;background:linear-gradient(180deg,#334149,#2b373f);color:#eef3f5;font-size:16px;outline:none}.oc-sentence-input:focus{border-color:rgba(239,189,85,.30)}
.oc-complete-wrap{height:100%;display:flex;align-items:center;justify-content:center}.oc-complete-card{width:min(620px,100%);padding:28px;text-align:center}.oc-complete-mark{width:58px;height:58px;margin:0 auto;display:flex;align-items:center;justify-content:center;border:1px solid rgba(127,207,195,.24);border-radius:16px;background:rgba(127,207,195,.045);color:#a8ded2;font-size:28px}.oc-complete-card h2{margin-top:15px;color:#f2f5f8;font-size:28px;font-weight:300;letter-spacing:-.035em}.oc-complete-card>p{margin-top:8px;color:#c2cbd1;font-size:15px;line-height:1.6}.oc-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:18px}.oc-summary>div{padding:11px;border:1px solid rgba(255,255,255,.055);border-radius:10px;background:rgba(255,255,255,.014);font-size:14px;color:#c2cbd1}.oc-summary strong{display:block;margin-top:3px;color:#f5d58b;font-size:16px;font-weight:300}.oc-next-preview{margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.055);color:#d9e1e5;font-size:14px;line-height:1.55}.oc-next-preview strong{color:#f5d58b;font-weight:300}

/* Two-tone scrollbars */
.oc-schedule,.oc-panel{scrollbar-width:thin;scrollbar-color:rgba(142,153,166,.56) rgba(22,27,33,.72)}.oc-schedule::-webkit-scrollbar,.oc-panel::-webkit-scrollbar{width:9px;height:9px}.oc-schedule::-webkit-scrollbar-track,.oc-panel::-webkit-scrollbar-track{background:#171d24;border-radius:999px}.oc-schedule::-webkit-scrollbar-thumb,.oc-panel::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#4b5663,#334149);border:2px solid #171d24;border-radius:999px}.oc-schedule::-webkit-scrollbar-thumb:hover,.oc-panel::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#5b6876,#3b4852)}

@media(max-width:980px){
  html,body{overflow:auto}body.oc-study-page{height:auto;min-height:100vh;overflow:auto}body.oc-study-page .oc-page{height:auto;display:block}.baro-open-root{padding:14px 10px 18px}.oc-topbar{height:auto;min-height:68px;padding:14px 16px}.oc-topbar strong{font-size:21px}.oc-system{display:none}.oc-subject-grid{grid-template-columns:1fr}.oc-study-shell{grid-template-columns:1fr}.oc-study-side,.oc-study-main{height:auto;max-height:none;min-height:0;overflow:visible}.oc-schedule{max-height:360px}.oc-study-main{min-height:720px}.oc-stage-scroll{min-height:680px;overflow:visible}.oc-panel{overflow:visible}.oc-stage-tabs{grid-template-columns:1fr 1fr}.oc-stage-tabs button:last-child{grid-column:1/-1}.oc-lesson-grid{grid-template-columns:1fr}.oc-word-grid{grid-template-columns:1fr 1fr}.oc-choice-grid{grid-template-columns:1fr}.oc-section-line,.oc-study-tools{align-items:flex-start;flex-direction:column}.oc-summary{grid-template-columns:1fr 1fr}.oc-week-day{grid-template-columns:75px 1fr auto}.oc-study-head{min-height:104px;align-items:flex-start}.oc-study-title,
  .oc-study-formula{white-space:normal}

  .oc-message-shell{padding:10px}
  .oc-message-card{padding:26px 18px 30px}
  .oc-message-head{padding-bottom:22px}
  .oc-message-head h1{font-size:27px}
  .oc-message-body{margin-top:24px;font-size:16px;line-height:1.85}
  .oc-message-final strong{font-size:21px}
  .oc-top-actions{gap:7px}
  .oc-top-link,.oc-logout{padding:0 9px;white-space:nowrap}
  body.oc-course-map-page{height:auto;min-height:100vh;overflow:auto}
  body.oc-course-map-page .oc-page{height:auto;display:block}
  .oc-course-map-shell{grid-template-columns:1fr;overflow:visible}
  .oc-course-map-intro,.oc-course-map-main{overflow:visible}
  .oc-course-map-note{margin-top:0}
  .oc-course-map-main{min-height:720px}
  .oc-course-map-head{align-items:flex-start}
  .oc-course-map-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .oc-course-map-scroll{max-height:none;overflow:visible}
}
@media(max-width:620px){
  /* LEARN MOBILE FRAME OWNER */
  .baro-open-root{
    width:100%;
    padding:6px 4px 12px;
  }
  .oc-page{
    width:100%;
    max-width:none;
    min-width:0;
    margin:0;
  }
  .oc-topbar{
    min-height:0;
    padding:9px 10px 10px;
    gap:8px;
    border-radius:11px;
    box-shadow:none;
    flex-wrap:wrap;
  }
  .oc-topbar strong{
    font-size:19px;
    line-height:1.15;
  }
  .oc-brand-kicker{font-size:11px;}
  .oc-top-actions{
    width:100%;
    min-width:0;
    gap:6px;
    justify-content:flex-start;
    flex-wrap:wrap;
  }
  .oc-top-link,
  .oc-logout{
    min-height:32px;
    padding:0 8px;
    font-size:12px;
  }

  .oc-home-shell,
  .oc-course-shell,
  .oc-course-map-shell,
  .oc-study-shell,
  .oc-message-shell{
    width:100%;
    max-width:100%;
    min-width:0;
    margin-top:6px;
    padding:0;
    gap:6px;
    border:0;
    border-radius:0;
    background:transparent;
    box-shadow:none;
    overflow:visible;
  }

  .oc-course-map-intro,
  .oc-course-map-main,
  .oc-study-side,
  .oc-study-main{
    width:100%;
    max-width:100%;
    min-width:0;
    min-height:0;
    padding:0;
    border:0;
    border-radius:0;
    background:transparent;
    box-shadow:none;
    overflow:visible;
  }

  .oc-message-card{
    width:100%;
    max-width:100%;
    padding:20px 12px 24px;
    border-radius:12px;
    box-shadow:none;
  }

  /* COURSE MAP: title/guide/scroll wrappers are information layout,
     not functional cards. On phones they must not consume card-like space. */
  body.oc-course-map-page .oc-course-map-intro{
    gap:4px;
  }
  body.oc-course-map-page .oc-course-map-hero,
  body.oc-course-map-page .oc-course-map-guide,
  body.oc-course-map-page .oc-course-map-head{
    width:100%;
    max-width:100%;
    min-width:0;
    padding:9px 4px 10px;
    border:0;
    border-radius:0;
    background:transparent;
    box-shadow:none;
  }
  body.oc-course-map-page .oc-course-map-note{
    margin-top:0;
    padding:8px 4px 10px;
    border-top:1px solid rgba(239,189,85,.14);
    background:transparent;
  }
  body.oc-course-map-page .oc-course-map-scroll{
    width:100%;
    max-width:100%;
    min-width:0;
    margin-top:6px;
    padding:0;
    border:0;
    border-radius:0;
    background:transparent;
    box-shadow:none;
  }

  /* STUDY VIEW remains a functional learning surface. */
  .oc-side-hero,
  .oc-study-head{
    padding-left:12px;
    padding-right:12px;
    border-radius:11px;
    box-shadow:none;
  }
  .oc-schedule,
  .oc-stage-scroll{
    width:100%;
    max-width:100%;
    min-width:0;
    border-radius:11px;
    box-shadow:none;
  }
  .oc-panel{
    width:100%;
    max-width:100%;
    min-width:0;
    padding:14px 10px;
  }

  .oc-course-map-grid{grid-template-columns:1fr}
  .oc-course-map-head{flex-direction:column;gap:10px}
  .oc-course-map-main{min-height:0}
  .oc-course-map-card{min-height:0;padding:14px 11px 12px}
  .oc-course-map-day{grid-template-columns:58px minmax(0,1fr)}
  .oc-course-map-day strong{white-space:normal}

  .oc-study-main{min-height:0}
  .oc-study-side{gap:6px}
  .oc-stage-scroll{min-height:0}
  .oc-stage-tabs{gap:5px}
  .oc-stage-tabs button{min-height:38px;padding:0 6px;font-size:12px}
  .oc-word-grid{gap:6px}
  .oc-word-card{min-height:96px;padding:12px 8px}
  .oc-quiz-card,
  .oc-sentence-card{padding:12px 10px}
  .oc-choice-grid{gap:7px}
  .oc-choice-grid button{min-height:48px;padding:8px 10px}
}

/* SHORT READING · COURSE MAP */
body.oc-short-reading-map-page{height:100vh;min-height:100vh;overflow:hidden}
body.oc-short-reading-map-page .oc-page{height:100%;min-height:0;display:flex;flex-direction:column}
body.oc-short-reading-map-page .oc-topbar{flex:0 0 auto}
.oc-sr-map-shell{flex:1 1 auto;min-height:0;margin-top:14px;padding:14px;border:1px solid var(--oc-line);border-radius:16px;background:linear-gradient(155deg,#202a33 0%,#172129 100%);box-shadow:0 18px 44px rgba(0,0,0,.18),inset 0 1px 0 rgba(255,255,255,.018);display:grid;grid-template-columns:minmax(300px,.82fr) minmax(0,2.18fr);gap:14px;overflow:hidden}
.oc-sr-map-side,.oc-sr-map-main{min-width:0;min-height:0;border:1px solid var(--oc-line);border-radius:15px;background:linear-gradient(155deg,#25313a 0%,#1d2931 100%);box-shadow:0 16px 34px rgba(0,0,0,.19),inset 0 1px 0 rgba(255,255,255,.022)}
.oc-sr-map-side{padding:14px;display:flex;flex-direction:column;gap:12px;overflow:hidden}
.oc-sr-map-hero{padding:20px 18px 18px;border:1px solid var(--oc-line);border-radius:15px;background:radial-gradient(circle at 86% 10%,rgba(127,207,195,.095),transparent 32%),linear-gradient(145deg,#202c34 0%,#172129 62%,#10171e 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.025)}
.oc-sr-map-hero h1{margin:10px 0 0;color:#a8ded2;font-size:25px;line-height:1.2;letter-spacing:-.035em;font-weight:300}
.oc-sr-map-hero p{margin:10px 0 0;color:#c2cbd1;font-size:14px;line-height:1.62}
.oc-sr-grade-panel,.oc-sr-map-guide{padding:15px;border:1px solid var(--oc-line-soft);border-radius:14px;background:linear-gradient(160deg,#202b35,#172129)}
.oc-sr-grade-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-top:11px}
.oc-sr-grade-grid a{min-height:35px;padding:0 7px;display:flex;align-items:center;justify-content:center;gap:5px;border:1px solid rgba(127,207,195,.18);border-radius:8px;background:rgba(127,207,195,.035);color:#a8ded2;font-size:13px;line-height:1;font-weight:300;white-space:nowrap;transition:border-color .15s ease,background .15s ease,color .15s ease,transform .15s ease}
.oc-sr-grade-grid a:hover{transform:translateY(-1px);border-color:rgba(239,189,85,.30);background:rgba(239,189,85,.05);color:#f5d58b}
.oc-sr-grade-grid a.is-current{border-color:rgba(239,189,85,.34);background:rgba(239,189,85,.065);color:#f5d58b}
.oc-sr-grade-grid a.is-soon{border-color:rgba(255,255,255,.07);background:rgba(255,255,255,.016);color:#9eabb4}
.oc-sr-grade-grid a small{color:#7f8e98;font-size:10px;line-height:1;font-weight:300}
.oc-sr-map-guide-row{display:grid;grid-template-columns:92px minmax(0,1fr);gap:12px;align-items:start;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.oc-sr-map-guide-row:last-child{padding-bottom:0;border-bottom:0}
.oc-sr-map-guide-row strong{color:#f0cf78;font-size:14px;line-height:1.45;font-weight:340;white-space:nowrap}
.oc-sr-map-guide-row span{color:#b8c3ca;font-size:13px;line-height:1.5}
.oc-sr-map-note{margin-top:auto;padding:13px 15px;border-top:1px solid rgba(239,189,85,.18);background:linear-gradient(90deg,rgba(239,189,85,.035),transparent 76%)}
.oc-sr-map-note strong{display:block;color:#f0cf78;font-size:14px;font-weight:320}
.oc-sr-map-note span{display:block;margin-top:5px;color:#9eafba;font-size:13px;line-height:1.45}
.oc-sr-map-main{padding:14px;display:flex;flex-direction:column;overflow:hidden}
.oc-sr-map-head{flex:0 0 auto;min-height:104px;padding:17px 18px;border:1px solid var(--oc-line);border-radius:15px;background:radial-gradient(circle at 90% 12%,rgba(127,207,195,.075),transparent 30%),linear-gradient(145deg,#202c34 0%,#172129 72%);display:flex;align-items:center;justify-content:space-between;gap:20px}
.oc-sr-map-head h2{margin:8px 0 0;color:#f1f4f5;font-size:26px;line-height:1.18;font-weight:300;letter-spacing:-.04em}
.oc-sr-map-head p{margin:7px 0 0;color:#aebbc5;font-size:13px;line-height:1.55;letter-spacing:-.01em}
.oc-sr-map-scroll{flex:1 1 auto;min-height:0;margin-top:12px;padding:12px 10px 12px 12px;overflow:auto;border:1px solid var(--oc-line);border-radius:15px;background:linear-gradient(155deg,#223039 0%,#182229 100%);scrollbar-width:thin;scrollbar-color:rgba(142,153,166,.56) rgba(22,27,33,.72)}
.oc-sr-map-scroll::-webkit-scrollbar{width:9px;height:9px}.oc-sr-map-scroll::-webkit-scrollbar-track{background:#171d24;border-radius:999px}.oc-sr-map-scroll::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#4b5663,#334149);border:2px solid #171d24;border-radius:999px}.oc-sr-map-scroll::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#5b6876,#3b4852)}
.oc-sr-map-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}
.oc-sr-map-card{position:relative;min-width:0;min-height:150px;padding:15px 17px 13px;display:flex;flex-direction:column;border:1px solid rgba(255,255,255,.06);border-radius:13px;background:radial-gradient(circle at 100% 0%,rgba(127,207,195,.025),transparent 34%),linear-gradient(160deg,#202b38 0%,#19232e 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.02);transition:border-color .15s ease,transform .15s ease,background .15s ease}
a.oc-sr-map-card:hover{transform:translateY(-1px);border-color:rgba(239,189,85,.24);background:radial-gradient(circle at 100% 0%,rgba(239,189,85,.055),transparent 34%),linear-gradient(160deg,#222e3a 0%,#1a252f 100%)}
.oc-sr-map-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#9fb0ba;font-size:13px;line-height:1.2;font-weight:300;letter-spacing:.10em}
.oc-sr-map-last-arrow{flex:0 0 auto;color:#efbd55;font-size:19px;line-height:1;font-weight:300;opacity:0;transform:translateX(-3px)}
.oc-sr-map-card.is-last-position .oc-sr-map-last-arrow{opacity:1;transform:translateX(0)}
.oc-sr-map-card>strong{margin-top:11px;min-width:0;color:#f0f4f6;font-size:18px;line-height:1.3;font-weight:320;letter-spacing:-.025em}
.oc-sr-map-card>p{margin:6px 0 0;color:#a8ded2;font-size:14px;line-height:1.5;font-weight:300}
.oc-sr-map-card-meta{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid rgba(255,255,255,.045);color:#96a7b2;font-size:12px;font-weight:300;letter-spacing:.01em}
.oc-sr-map-card.is-disabled{opacity:.42;cursor:default}.oc-sr-map-card.is-disabled>strong{color:#a9b7c0}.oc-sr-map-card.is-disabled>p{color:#96a7b2}

/* SHORT READING · HIGH SCHOOL coming-soon vertical balance */
body.oc-short-reading-soon-page{height:100vh;min-height:100vh;overflow:hidden}
body.oc-short-reading-soon-page .oc-page{height:100%;min-height:0;display:flex;flex-direction:column}
body.oc-short-reading-soon-page .oc-topbar{flex:0 0 auto}
body.oc-short-reading-soon-page .oc-message-shell{flex:1 1 auto;min-height:0;display:flex;align-items:center;justify-content:center}
body.oc-short-reading-soon-page .oc-message-card{margin:0 auto;transform:translateY(10px)}
body.oc-short-reading-soon-page .oc-message-return .oc-btn{display:inline-flex;align-items:center;justify-content:center;line-height:1}

@media(max-width:980px){
  body.oc-short-reading-map-page{height:auto;min-height:100vh;overflow:auto}
  body.oc-short-reading-map-page .oc-page{height:auto;display:block}
  .oc-sr-map-shell{grid-template-columns:1fr;overflow:visible}
  .oc-sr-map-side,.oc-sr-map-main{overflow:visible}
  .oc-sr-map-note{margin-top:0}
  .oc-sr-map-main{min-height:720px}
  .oc-sr-map-head{align-items:flex-start}
  .oc-sr-map-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .oc-sr-map-scroll{max-height:none;overflow:visible}
  body.oc-short-reading-soon-page{height:auto;min-height:100vh;overflow:auto}
  body.oc-short-reading-soon-page .oc-page{height:auto;display:block}
  body.oc-short-reading-soon-page .oc-message-shell{display:block}
  body.oc-short-reading-soon-page .oc-message-card{transform:none}
}
@media(max-width:620px){
  .oc-sr-map-shell{
    width:100%;
    max-width:100%;
    min-width:0;
    margin-top:6px;
    padding:0;
    gap:6px;
    border:0;
    border-radius:0;
    background:transparent;
    box-shadow:none;
    overflow:visible;
  }
  .oc-sr-map-side,
  .oc-sr-map-main{
    width:100%;
    max-width:100%;
    min-width:0;
    min-height:0;
    padding:0;
    border:0;
    border-radius:0;
    background:transparent;
    box-shadow:none;
    overflow:visible;
  }
  .oc-sr-map-side{
    gap:4px;
  }
  .oc-sr-map-main{min-height:0}

  /* SHORT READING MAP: outer title/grade/guide boxes are flattened.
     Grade buttons and READING cards remain as the actual functional cards. */
  .oc-sr-map-hero,
  .oc-sr-grade-panel,
  .oc-sr-map-guide,
  .oc-sr-map-head{
    width:100%;
    max-width:100%;
    min-width:0;
    padding:9px 4px 10px;
    border:0;
    border-radius:0;
    background:transparent;
    box-shadow:none;
  }
  .oc-sr-map-head{
    flex-direction:column;
    gap:8px;
  }
  .oc-sr-map-note{
    margin-top:0;
    padding:8px 4px 10px;
    border-top:1px solid rgba(239,189,85,.14);
    background:transparent;
  }
  .oc-sr-map-scroll{
    width:100%;
    max-width:100%;
    min-width:0;
    margin-top:6px;
    padding:0;
    border:0;
    border-radius:0;
    background:transparent;
    box-shadow:none;
  }
  .oc-sr-grade-grid{
    gap:6px;
    margin-top:10px;
  }
  .oc-sr-map-grid{
    grid-template-columns:1fr;
    gap:7px;
  }
  .oc-sr-map-card{
    width:100%;
    max-width:100%;
    min-width:0;
    min-height:0;
    padding:14px 11px 12px;
  }
}