:root {
  --tsumu-focus: #f3bd3f;
  --tsumu-focus-soft: rgba(243, 189, 63, .13);
  --tsumu-panel: rgba(255, 255, 255, .045);
  --tsumu-panel-strong: rgba(255, 255, 255, .075);
  --tsumu-line: rgba(255, 255, 255, .1);
  --tsumu-muted: rgba(238, 239, 244, .66);
  --tsumu-radius-lg: 24px;
  --tsumu-radius-md: 16px;
}

.tsumu-product-sidebar {
  gap: 22px;
}

.tsumu-context-switcher {
  position: relative;
  display: block;
  border: 1px solid var(--tsumu-line);
  border-radius: var(--tsumu-radius-md);
  background: var(--tsumu-panel);
}

.tsumu-context-switcher > summary,
.tsumu-context-switcher.is-pending {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 14px;
  cursor: pointer;
  color: inherit;
  text-decoration: none;
  list-style: none;
}

.tsumu-context-switcher > summary::-webkit-details-marker { display: none; }
.tsumu-context-switcher > summary span,
.tsumu-context-switcher.is-pending { min-width: 0; }
.tsumu-context-switcher strong,
.tsumu-context-switcher small { display: block; }
.tsumu-context-switcher strong { font-size: .91rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tsumu-context-switcher small { margin-top: 3px; color: var(--tsumu-muted); font-size: .73rem; }
.tsumu-context-menu {
  position: absolute;
  z-index: 30;
  left: 0;
  right: 0;
  top: calc(100% + 8px);
  padding: 8px;
  border: 1px solid var(--tsumu-line);
  border-radius: var(--tsumu-radius-md);
  background: #17191f;
  box-shadow: 0 20px 50px rgba(0,0,0,.42);
}
.tsumu-context-option {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.tsumu-context-option:hover,
.tsumu-context-option.is-active { background: var(--tsumu-focus-soft); }
.tsumu-context-option strong,
.tsumu-context-option small { display: block; }
.tsumu-context-option small { margin-top: 2px; color: var(--tsumu-muted); }
.tsumu-context-add {
  display: block;
  margin-top: 5px;
  padding: 10px 12px;
  color: var(--tsumu-focus);
  text-decoration: none;
  font-weight: 700;
}

.tsumu-account-menu {
  position: relative;
  margin-top: auto;
}
.tsumu-account-menu > summary {
  display: grid;
  grid-template-columns: auto minmax(0,1fr) auto;
  align-items: center;
  gap: 11px;
  cursor: pointer;
  list-style: none;
  padding: 10px;
  border-radius: 14px;
}
.tsumu-account-menu > summary:hover { background: var(--tsumu-panel); }
.tsumu-account-menu > summary::-webkit-details-marker { display: none; }
.tsumu-account-menu > summary strong,
.tsumu-account-menu > summary small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tsumu-account-menu > summary small { color: var(--tsumu-muted); font-size: .75rem; }
.tsumu-account-menu nav {
  position: absolute;
  z-index: 35;
  left: 0;
  right: 0;
  bottom: calc(100% + 8px);
  display: grid;
  gap: 3px;
  padding: 8px;
  border: 1px solid var(--tsumu-line);
  border-radius: var(--tsumu-radius-md);
  background: #17191f;
  box-shadow: 0 20px 50px rgba(0,0,0,.42);
}
.tsumu-account-menu nav a {
  padding: 10px 12px;
  border-radius: 10px;
  color: inherit;
  text-decoration: none;
}
.tsumu-account-menu nav a:hover { background: var(--tsumu-focus-soft); }

.tsumu-focus-card {
  display: grid;
  grid-template-columns: minmax(0,1.55fr) minmax(180px,.45fr);
  gap: clamp(24px,5vw,64px);
  align-items: center;
  padding: clamp(26px,5vw,54px);
  border: 1px solid rgba(243,189,63,.26);
  border-radius: 30px;
  background:
    radial-gradient(circle at 90% 15%, rgba(243,189,63,.18), transparent 40%),
    linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
  overflow: hidden;
}
.tsumu-focus-copy h1 {
  max-width: 760px;
  margin: 8px 0 14px;
  font-size: clamp(2rem,5vw,4.1rem);
  line-height: 1.02;
  letter-spacing: -.045em;
}
.tsumu-focus-copy > p:not(.tsumu-product-overline) {
  max-width: 700px;
  margin: 0;
  color: var(--tsumu-muted);
  font-size: clamp(1rem,1.5vw,1.18rem);
  line-height: 1.65;
}
.tsumu-focus-actions,
.tsumu-product-button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
}
.tsumu-focus-actions form,
.tsumu-product-button-row form { margin: 0; }
.tsumu-focus-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin: 28px 0 0;
}
.tsumu-focus-meta div { display: grid; gap: 2px; }
.tsumu-focus-meta dt { color: var(--tsumu-muted); font-size: .78rem; }
.tsumu-focus-meta dd { margin: 0; font-weight: 750; }
.tsumu-focus-mascot { align-self: end; justify-self: center; width: min(220px,100%); }
.tsumu-focus-mascot img { width: 100%; height: auto; }

.tsumu-compact-progress {
  display: grid;
  grid-template-columns: minmax(200px,1fr) minmax(160px,1fr) auto;
  align-items: center;
  gap: 18px;
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid var(--tsumu-line);
  border-radius: var(--tsumu-radius-md);
  background: var(--tsumu-panel);
}
.tsumu-compact-progress span,
.tsumu-compact-progress strong { display: block; }
.tsumu-compact-progress span { color: var(--tsumu-muted); font-size: .78rem; }
.tsumu-compact-progress a { color: var(--tsumu-focus); text-decoration: none; font-weight: 750; }
progress { accent-color: var(--tsumu-focus); }

.tsumu-course-grid,
.tsumu-language-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(min(100%,300px),1fr));
  gap: 16px;
}
.tsumu-course-card,
.tsumu-language-card,
.tsumu-course-intro,
.tsumu-lesson-intro,
.tsumu-placement-card {
  border: 1px solid var(--tsumu-line);
  border-radius: var(--tsumu-radius-lg);
  background: var(--tsumu-panel);
}
.tsumu-course-card { display: flex; flex-direction: column; padding: 24px; }
.tsumu-course-card.is-selected { border-color: rgba(243,189,63,.42); background: var(--tsumu-focus-soft); }
.tsumu-course-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--tsumu-muted); font-size: .8rem; }
.tsumu-course-card h2 { margin: 18px 0 10px; font-size: 1.35rem; }
.tsumu-course-card > p { margin: 0; color: var(--tsumu-muted); line-height: 1.6; }
.tsumu-course-card dl { display: flex; gap: 24px; margin: 22px 0 0; }
.tsumu-course-card dl div { display: grid; gap: 3px; }
.tsumu-course-card dt { color: var(--tsumu-muted); font-size: .76rem; }
.tsumu-course-card dd { margin: 0; font-weight: 700; }
.tsumu-course-card .tsumu-product-button-row { margin-top: auto; padding-top: 24px; }

.tsumu-language-card { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 165px; padding: 22px; }
.tsumu-language-card.is-pending { opacity: .72; }
.tsumu-language-native { color: var(--tsumu-focus); font-size: 1.45rem; font-weight: 800; }
.tsumu-language-card h2 { margin: 5px 0; }
.tsumu-language-card p { margin: 0; color: var(--tsumu-muted); }

.tsumu-course-intro,
.tsumu-lesson-intro { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: clamp(24px,4vw,40px); }
.tsumu-course-intro h2 { margin: 12px 0 8px; }
.tsumu-course-intro p { max-width: 740px; margin: 0; color: var(--tsumu-muted); line-height: 1.6; }
.tsumu-section-list { display: grid; gap: 18px; margin-top: 18px; }
.tsumu-course-section { border: 1px solid var(--tsumu-line); border-radius: var(--tsumu-radius-lg); overflow: hidden; background: var(--tsumu-panel); }
.tsumu-course-section > header { padding: 24px 26px 18px; }
.tsumu-course-section > header span { color: var(--tsumu-focus); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.tsumu-course-section > header h2 { margin: 7px 0; }
.tsumu-course-section > header p { margin: 0; color: var(--tsumu-muted); }
.tsumu-course-section ol { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--tsumu-line); }
.tsumu-course-section li + li { border-top: 1px solid var(--tsumu-line); }
.tsumu-course-section li a { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 15px; padding: 16px 22px; color: inherit; text-decoration: none; }
.tsumu-course-section li a:hover { background: var(--tsumu-focus-soft); }
.tsumu-course-section li.is-locked { opacity: .56; }
.tsumu-course-section li strong,
.tsumu-course-section li small { display: block; }
.tsumu-course-section li small { margin-top: 4px; color: var(--tsumu-muted); }
.tsumu-lesson-index { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--tsumu-panel-strong); font-weight: 800; }

.tsumu-lesson-intro { align-items: flex-end; background: linear-gradient(145deg,var(--tsumu-focus-soft),var(--tsumu-panel)); }
.tsumu-lesson-intro h1 { max-width: 780px; margin: 8px 0 16px; font-size: clamp(1.8rem,4vw,3.1rem); line-height: 1.12; }
.tsumu-lesson-meta { display: flex; gap: 10px; }
.tsumu-lesson-meta span { padding: 7px 10px; border-radius: 999px; background: var(--tsumu-panel-strong); color: var(--tsumu-muted); font-size: .82rem; }
.tsumu-lesson-blocks { display: grid; gap: 12px; }
.tsumu-lesson-blocks article { padding: 18px; border: 1px solid var(--tsumu-line); border-radius: 14px; background: rgba(0,0,0,.12); }
.tsumu-lesson-blocks article > span { color: var(--tsumu-focus); font-size: .72rem; text-transform: uppercase; font-weight: 800; }
.tsumu-lesson-blocks article p { margin: 8px 0 0; line-height: 1.65; }
.tsumu-object-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 12px; }
.tsumu-object-grid article { padding: 17px; border: 1px solid var(--tsumu-line); border-radius: 14px; background: rgba(0,0,0,.12); }
.tsumu-object-grid strong { display: block; font-size: 1.35rem; }
.tsumu-object-grid small { display: block; margin-top: 3px; color: var(--tsumu-muted); }
.tsumu-object-grid p { margin: 10px 0 0; }

.tsumu-product-panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.tsumu-product-panel-heading h2 { margin: 8px 0 0; }
.tsumu-product-live-list { display: grid; gap: 8px; }
.tsumu-product-live-list article { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 13px; padding: 12px 13px; border: 1px solid var(--tsumu-line); border-radius: 13px; }
.tsumu-product-live-list strong,
.tsumu-product-live-list small { display: block; }
.tsumu-product-live-list small { color: var(--tsumu-muted); }
.tsumu-product-live-list time { color: var(--tsumu-muted); font-size: .78rem; }

.tsumu-skill-list { display: grid; gap: 11px; }
.tsumu-skill-list article { display: grid; grid-template-columns: minmax(150px,.5fr) minmax(160px,1fr) auto; align-items: center; gap: 16px; padding: 12px 0; }
.tsumu-skill-list article + article { border-top: 1px solid var(--tsumu-line); }
.tsumu-skill-list strong,
.tsumu-skill-list small { display: block; }
.tsumu-skill-list small { margin-top: 2px; color: var(--tsumu-muted); }

.tsumu-profile-form,
.tsumu-settings-form { display: grid; gap: 24px; }
.tsumu-form-grid { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(180px,.6fr); gap: 16px; }
.tsumu-profile-form label > span,
.tsumu-settings-form label > span,
.tsumu-migration-actions label > span,
.tsumu-pricing-preview-form label > span { display: block; margin-bottom: 7px; color: var(--tsumu-muted); font-size: .8rem; font-weight: 700; }
.tsumu-profile-form textarea,
.tsumu-profile-form input,
.tsumu-profile-form select,
.tsumu-settings-form input,
.tsumu-settings-form select,
.tsumu-migration-actions input,
.tsumu-pricing-preview-form input,
.tsumu-pricing-preview-form select { width: 100%; box-sizing: border-box; padding: 12px 13px; border: 1px solid var(--tsumu-line); border-radius: 11px; background: rgba(0,0,0,.2); color: inherit; }
.tsumu-profile-form textarea { min-height: 120px; resize: vertical; }
.tsumu-profile-form fieldset,
.tsumu-settings-form fieldset { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 0; padding: 18px; border: 1px solid var(--tsumu-line); border-radius: 14px; }
.tsumu-profile-form legend,
.tsumu-settings-form legend { padding: 0 6px; font-weight: 800; }

.tsumu-placement-card { max-width: 780px; margin: 0 auto; padding: clamp(24px,5vw,44px); }
.tsumu-placement-card > h1 { margin: 9px 0 24px; font-size: clamp(1.55rem,4vw,2.5rem); }
.tsumu-placement-progress { display: grid; gap: 7px; margin-bottom: 28px; }
.tsumu-placement-progress span { color: var(--tsumu-muted); font-size: .82rem; }
.tsumu-placement-answer { display: grid; gap: 10px; }
.tsumu-placement-answer .tsumu-product-button { margin-top: 8px; }
.tsumu-placement-skip { margin-top: 10px; }
.tsumu-placement-skip-all { display: flex; justify-content: center; margin-top: 18px; }

.tsumu-migration-list { display: grid; gap: 14px; }
.tsumu-migration-card { display: grid; grid-template-columns: minmax(0,1fr) minmax(260px,.7fr); gap: 24px; padding: 20px; border: 1px solid var(--tsumu-line); border-radius: var(--tsumu-radius-md); }
.tsumu-migration-card.is-applied { opacity: .72; }
.tsumu-migration-card.is-next { border-color: rgba(243,189,63,.45); background: var(--tsumu-focus-soft); }
.tsumu-migration-card h3 { margin: 9px 0 6px; }
.tsumu-migration-card p { margin: 0; color: var(--tsumu-muted); }
.tsumu-migration-actions { display: grid; gap: 10px; align-content: start; }
.tsumu-condition-list { display: grid; gap: 8px; }
.tsumu-condition-list > div { display: grid; grid-template-columns: auto minmax(0,1fr) auto; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 10px; background: var(--tsumu-panel); }
.tsumu-condition-list > div.is-ok { border-left: 3px solid #62d49b; }
.tsumu-condition-list > div.is-failed { border-left: 3px solid #ff7676; }
.tsumu-condition-list small { color: var(--tsumu-muted); }
.tsumu-pricing-preview-form { display: grid; grid-template-columns: minmax(140px,.4fr) minmax(180px,.6fr) auto; gap: 12px; align-items: end; }

@media (max-width: 900px) {
  .tsumu-focus-card { grid-template-columns: 1fr; }
  .tsumu-focus-mascot { width: 150px; justify-self: end; }
  .tsumu-compact-progress { grid-template-columns: 1fr; }
  .tsumu-course-intro,
  .tsumu-lesson-intro { align-items: flex-start; flex-direction: column; }
  .tsumu-form-grid,
  .tsumu-migration-card,
  .tsumu-pricing-preview-form { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .tsumu-focus-card { padding: 24px 20px; border-radius: 22px; }
  .tsumu-focus-copy h1 { font-size: 2.25rem; }
  .tsumu-focus-mascot { display: none; }
  .tsumu-course-card,
  .tsumu-language-card { padding: 19px; }
  .tsumu-language-card { align-items: flex-start; flex-direction: column; }
  .tsumu-course-section li a { grid-template-columns: auto minmax(0,1fr); }
  .tsumu-course-section li a > :last-child { grid-column: 2; }
  .tsumu-product-live-list article { grid-template-columns: auto minmax(0,1fr); }
  .tsumu-product-live-list time { grid-column: 2; }
  .tsumu-skill-list article { grid-template-columns: 1fr auto; }
  .tsumu-skill-list progress { grid-column: 1 / -1; grid-row: 2; width: 100%; }
  .tsumu-product-panel-heading { align-items: flex-start; flex-direction: column; }
}