:root {
  --setting-v210-green: #0a9a78;
  --setting-v210-green-dark: #08745f;
  --setting-v210-ink: #17243a;
  --setting-v210-muted: #6c788b;
  --setting-v210-line: #dfe9e6;
  --setting-v210-bg: #f3f8f6;
}

html.teacher-setting-center-open-v210,
html.teacher-setting-center-open-v210 body {
  overflow: hidden !important;
}

.setting-center-page-v210 {
  z-index: 10020 !important;
  display: block !important;
  padding: 0 !important;
  overflow: auto !important;
  background: var(--setting-v210-bg) !important;
  backdrop-filter: none !important;
  animation: settingCenterPageInV210 .22s cubic-bezier(.22, .75, .24, 1) both !important;
}

.setting-center-page-v210 .setting-center-shell-v210 {
  width: 100% !important;
  max-width: none !important;
  min-height: 100dvh !important;
  max-height: none !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  overflow: visible !important;
  box-shadow: none !important;
  background: var(--setting-v210-bg) !important;
}

.setting-center-header-v210 {
  position: sticky !important;
  top: 0 !important;
  z-index: 30 !important;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px) !important;
  border-bottom: 1px solid rgba(215, 228, 224, .9) !important;
  background: rgba(255, 255, 255, .92) !important;
  backdrop-filter: saturate(170%) blur(16px) !important;
  -webkit-backdrop-filter: saturate(170%) blur(16px) !important;
}

.setting-center-header-v210 h3 {
  color: var(--setting-v210-ink) !important;
  font-size: clamp(18px, 2vw, 22px) !important;
  letter-spacing: -.02em;
}

.setting-center-close-v210 {
  width: auto !important;
  min-width: 112px !important;
  height: 44px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  padding: 0 15px !important;
  border: 1px solid var(--setting-v210-line) !important;
  border-radius: 14px !important;
  background: #fff !important;
  color: #425064 !important;
  box-shadow: 0 5px 15px rgba(23, 36, 58, .05) !important;
}

.setting-center-close-v210:hover {
  border-color: #b7d7ce !important;
  background: #eefaf6 !important;
  color: var(--setting-v210-green-dark) !important;
}

.setting-center-close-v210 span {
  font-size: 13px;
  font-weight: 800;
}

.setting-center-hero-v210 {
  width: min(1180px, calc(100% - 40px));
  margin: clamp(22px, 4vw, 44px) auto 20px;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid rgba(21, 153, 119, .18);
  border-radius: 28px;
  color: #fff;
  background:
    radial-gradient(circle at 92% 4%, rgba(255, 255, 255, .18), transparent 26%),
    linear-gradient(130deg, #087b65 0%, #0aa37f 58%, #18bca0 100%);
  box-shadow: 0 22px 50px rgba(8, 116, 95, .16);
}

.setting-center-hero-icon-v210 {
  width: 68px;
  height: 68px;
  flex: 0 0 68px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 21px;
  background: rgba(255, 255, 255, .14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .24);
}

.setting-center-hero-icon-v210 svg { width: 32px; height: 32px; }
.setting-center-hero-v210 small { display: block; margin-bottom: 7px; font-size: 11px; font-weight: 900; letter-spacing: .14em; opacity: .8; }
.setting-center-hero-v210 h1 { margin: 0; font-size: clamp(23px, 3vw, 34px); font-weight: 850; line-height: 1.15; letter-spacing: -.035em; }
.setting-center-hero-v210 p { max-width: 760px; margin: 9px 0 0; color: rgba(255, 255, 255, .82); font-size: 14px; line-height: 1.65; }

.setting-center-native-v210,
.setting-center-school-v210 {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 48px !important;
}

.setting-center-native-hidden-v210 { display: none !important; }

.setting-center-native-v210 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  background: transparent !important;
}

.setting-center-native-v210 > form,
.setting-center-native-v210 > div {
  min-width: 0;
  padding: 22px !important;
  border: 1px solid var(--setting-v210-line) !important;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(24, 52, 44, .05);
}

.setting-center-native-v210 > form { align-self: start; }
.setting-center-native-v210 input { min-height: 46px; border: 1px solid #e1e9e7 !important; }
.setting-center-native-v210 button { min-height: 42px; }

.setting-center-summary-v210 {
  display: grid;
  grid-template-columns: 190px 190px minmax(280px, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.setting-center-summary-v210 > div {
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px 22px;
  border: 1px solid var(--setting-v210-line);
  border-radius: 22px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 12px 30px rgba(24, 52, 44, .045);
}

.setting-center-summary-v210 span { color: var(--setting-v210-muted); font-size: 12px; font-weight: 750; }
.setting-center-summary-v210 strong { margin-top: 5px; color: var(--setting-v210-green-dark); font-size: 28px; line-height: 1.2; }
.setting-center-summary-v210 .is-wide strong { color: var(--setting-v210-ink); font-size: 18px; }
.setting-center-summary-v210 small { margin-top: 6px; color: #899488; font-size: 11px; }

.setting-center-grid-v210 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 18px;
}

.setting-center-card-v210 {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--setting-v210-line);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(24, 52, 44, .055);
}

.setting-center-card-title-v210 { display: flex; align-items: flex-start; gap: 14px; }
.setting-center-card-icon-v210 { width: 48px; height: 48px; flex: 0 0 48px; display: grid; place-items: center; border-radius: 15px; color: var(--setting-v210-green-dark); background: #e8f7f2; }
.setting-center-card-icon-v210 svg { width: 23px; height: 23px; }
.setting-center-card-title-v210 h2 { margin: 1px 0 4px; color: var(--setting-v210-ink); font-size: 18px; font-weight: 850; letter-spacing: -.025em; }
.setting-center-card-title-v210 p { margin: 0; color: var(--setting-v210-muted); font-size: 12px; line-height: 1.55; }

.setting-center-form-v210 { margin-top: 21px; }
.setting-center-form-v210 label > span { display: block; margin-bottom: 7px; color: #526071; font-size: 12px; font-weight: 800; }
.setting-center-form-v210 label > div { display: flex; gap: 9px; }
.setting-center-form-v210 input { min-width: 0; flex: 1; height: 47px; padding: 0 14px; border: 1px solid #dce7e4; border-radius: 14px; outline: none; color: var(--setting-v210-ink); background: #f9fbfa; font: inherit; font-size: 13px; font-weight: 650; transition: border-color .15s, box-shadow .15s, background .15s; }
.setting-center-form-v210 input:focus { border-color: #26ad8c; background: #fff; box-shadow: 0 0 0 4px rgba(16, 163, 127, .11); }
.setting-center-form-v210 button[type="submit"],
.setting-center-error-v210 button { min-width: 102px; height: 47px; padding: 0 15px; border: 0; border-radius: 14px; color: #fff; background: var(--setting-v210-green); font: inherit; font-size: 12px; font-weight: 850; cursor: pointer; box-shadow: 0 8px 18px rgba(10, 154, 120, .18); }
.setting-center-form-v210 button:disabled { opacity: .58; cursor: wait; }
.setting-center-cancel-v210 { margin-top: 8px; padding: 0; border: 0; color: #687587; background: transparent; font-size: 11px; font-weight: 750; cursor: pointer; }

.setting-center-list-heading-v210 { display: flex; align-items: center; justify-content: space-between; margin: 23px 0 10px; padding-top: 18px; border-top: 1px solid #edf2f0; }
.setting-center-list-heading-v210 strong { color: #445164; font-size: 12px; }
.setting-center-list-heading-v210 span { padding: 5px 9px; border-radius: 999px; color: var(--setting-v210-green-dark); background: #ebf8f4; font-size: 10px; font-weight: 850; }
.setting-center-list-v210 { max-height: min(42vh, 390px); display: grid; gap: 8px; overflow-y: auto; padding-right: 3px; scrollbar-width: thin; scrollbar-color: #bddfd6 transparent; }
.setting-center-item-v210 { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 9px 8px 13px; border: 1px solid #e7eeec; border-radius: 14px; background: #fbfcfc; }
.setting-center-item-v210 > span { min-width: 0; overflow: hidden; color: #334155; font-size: 12px; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
.setting-center-item-actions-v210 { display: flex; gap: 5px; }
.setting-center-item-actions-v210 button { width: 33px; height: 33px; display: grid; place-items: center; border: 1px solid #dceae6; border-radius: 10px; color: var(--setting-v210-green-dark); background: #fff; cursor: pointer; transition: transform .13s, background .13s; }
.setting-center-item-actions-v210 button:hover { transform: translateY(-1px); background: #eefaf6; }
.setting-center-item-actions-v210 button.is-danger { border-color: #ffd5d5; color: #d43b3b; background: #fff8f8; }
.setting-center-item-actions-v210 svg { width: 15px; height: 15px; }
.setting-center-empty-v210 { min-height: 100px; display: grid; place-items: center; padding: 18px; border: 1px dashed #cddbd7; border-radius: 15px; color: #8a9693; background: #fbfdfc; font-size: 12px; text-align: center; }

.setting-center-note-v210 { display: flex; gap: 13px; margin-top: 18px; padding: 18px 20px; border: 1px solid #cfe8e0; border-radius: 19px; background: #eaf7f3; }
.setting-center-note-v210 > span { width: 32px; height: 32px; flex: 0 0 32px; display: grid; place-items: center; border-radius: 10px; color: #fff; background: var(--setting-v210-green); }
.setting-center-note-v210 svg { width: 17px; height: 17px; }
.setting-center-note-v210 strong { display: block; color: #176d5b; font-size: 13px; }
.setting-center-note-v210 p { margin: 4px 0 0; color: #50756d; font-size: 11px; line-height: 1.55; }

.setting-center-preferences-v214 {
  margin-top: 18px;
  padding: 23px;
  border: 1px solid var(--setting-v210-line);
  border-radius: 22px;
  background: #fff;
}

.setting-center-preferences-head-v214 {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 18px;
}

.setting-center-preferences-head-v214 > span {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: var(--setting-v210-green-dark);
  background: #e8f7f2;
}

.setting-center-preferences-head-v214 svg { width: 21px; height: 21px; }
.setting-center-preferences-head-v214 h2 { margin: 0; color: var(--setting-v210-ink); font-size: 16px; font-weight: 850; letter-spacing: -.02em; }
.setting-center-preferences-head-v214 p { margin: 3px 0 0; color: var(--setting-v210-muted); font-size: 11px; line-height: 1.45; }

.setting-center-preferences-grid-v214 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.setting-center-preference-v214 {
  min-width: 0;
  min-height: 76px;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
  padding: 13px;
  border: 1px solid #e5eeeb;
  border-radius: 16px;
  background: #fbfcfc;
}

.setting-center-preference-icon-v214 {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--setting-v210-green-dark);
  background: #eaf7f3;
}

.setting-center-preference-icon-v214 svg { width: 19px; height: 19px; }
.setting-center-preference-v214 > div { min-width: 0; }
.setting-center-preference-v214 strong { display: block; color: #344255; font-size: 12px; font-weight: 820; line-height: 1.35; }
.setting-center-preference-v214 small { display: block; margin-top: 3px; color: #7b8797; font-size: 10px; line-height: 1.4; }
.setting-center-preference-v214.is-active .setting-center-preference-icon-v214 { color: #06725b; background: #dff6ee; }
.setting-center-preference-v214.is-warning .setting-center-preference-icon-v214 { color: #a86408; background: #fff4d9; }

.setting-center-switch-v214 {
  position: relative;
  width: 62px;
  min-width: 62px;
  height: 30px;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 0;
  border: 1px solid #c5d1ce;
  border-radius: 10px;
  outline: 0;
  background: linear-gradient(180deg, #dce4e2 0%, #ced8d5 100%);
  box-shadow: inset 0 1px 2px rgba(25, 53, 45, .09), 0 1px 2px rgba(25, 53, 45, .04);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .12s ease;
}

.setting-center-switch-v214 i {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  display: block;
  border-radius: 7px;
  background: #fff;
  box-shadow: 0 2px 6px rgba(15, 42, 34, .18), 0 0 0 1px rgba(15, 42, 34, .04);
  transform: translateX(0);
  transition: transform .22s cubic-bezier(.22, .78, .24, 1), border-radius .2s ease, box-shadow .2s ease;
}

.setting-center-switch-v214:hover { border-color: #a8bbb6; box-shadow: inset 0 1px 2px rgba(25, 53, 45, .08), 0 3px 9px rgba(25, 53, 45, .08); }
.setting-center-switch-v214:active { transform: scale(.97); }
.setting-center-switch-v214:focus-visible { box-shadow: 0 0 0 4px rgba(10, 154, 120, .16); }
.setting-center-switch-v214[aria-checked="true"] {
  border-color: #078267;
  background: linear-gradient(135deg, #079575 0%, #08a985 100%);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, .17), 0 4px 10px rgba(7, 130, 103, .16);
}
.setting-center-switch-v214[aria-checked="true"] i { transform: translateX(32px); box-shadow: 0 2px 7px rgba(5, 91, 70, .25); }

.setting-center-direct-modal-v215 {
  position: fixed;
  inset: 0;
  z-index: 10020;
  overflow: auto;
  background: var(--setting-v210-bg);
}

.setting-center-direct-shell-v215 { min-height: 100dvh; }
.setting-center-direct-header-v215 { display: flex; align-items: center; justify-content: space-between; }
.setting-center-direct-header-v215 h3 { margin: 0; }
.setting-center-direct-header-v215 button svg { width: 18px; height: 18px; transform: rotate(180deg); }

.setting-center-preference-action-v214 {
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid #bfe2d8;
  border-radius: 10px;
  color: var(--setting-v210-green-dark);
  background: #effaf7;
  font: inherit;
  font-size: 10px;
  font-weight: 850;
  cursor: pointer;
}

.setting-center-preference-action-v214:disabled { border-color: #dce7e4; color: #77847f; background: #f1f5f4; cursor: default; }
.setting-center-preference-v214 select { width: min(160px, 100%); min-height: 38px; padding: 0 30px 0 10px; border: 1px solid #d6e4e0; border-radius: 11px; outline: none; color: #344255; background: #fff; font: inherit; font-size: 10px; font-weight: 750; }
.setting-center-preference-v214 select:focus { border-color: #26ad8c; box-shadow: 0 0 0 3px rgba(16, 163, 127, .1); }
.setting-center-preference-empty-v214 { max-width: 150px; color: #8a9693; font-size: 10px; font-weight: 750; line-height: 1.35; text-align: right; }

html.portal-reduced-motion-v214 *,
html.portal-reduced-motion-v214 *::before,
html.portal-reduced-motion-v214 *::after {
  scroll-behavior: auto !important;
  animation-duration: .01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: .01ms !important;
}

.setting-center-loading-v210,
.setting-center-error-v210 { min-height: 260px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 13px; padding: 30px; border: 1px solid var(--setting-v210-line); border-radius: 24px; color: #5d6a7a; background: #fff; text-align: center; }
.setting-center-loading-v210 > span { width: 33px; height: 33px; border: 3px solid #dcece7; border-top-color: var(--setting-v210-green); border-radius: 50%; animation: settingCenterSpinV210 .7s linear infinite; }
.setting-center-error-v210 strong { color: #b83232; }
.setting-center-error-v210 p { max-width: 520px; margin: 0; color: #758092; font-size: 12px; }

.setting-center-toast-v210 { position: fixed; z-index: 10150; right: 22px; bottom: 22px; max-width: min(390px, calc(100vw - 32px)); display: flex; align-items: center; gap: 9px; padding: 13px 16px; border: 1px solid #bde5da; border-radius: 15px; color: #126b57; background: rgba(240, 253, 249, .97); box-shadow: 0 18px 44px rgba(20, 45, 38, .16); opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .18s, transform .18s; }
.setting-center-toast-v210.is-visible { opacity: 1; transform: translateY(0); }
.setting-center-toast-v210.is-error { border-color: #fecaca; color: #b42323; background: rgba(255, 247, 247, .98); }
.setting-center-toast-v210 svg { width: 18px; height: 18px; }
.setting-center-toast-v210 span { font-size: 12px; font-weight: 800; line-height: 1.45; }

@keyframes settingCenterPageInV210 { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes settingCenterSpinV210 { to { transform: rotate(360deg); } }

@media (max-width: 760px) {
  .setting-center-header-v210 { min-height: 64px; padding: 10px 14px !important; }
  .setting-center-close-v210 { min-width: 45px !important; width: 45px !important; padding: 0 !important; }
  .setting-center-close-v210 span { display: none; }
  .setting-center-hero-v210,
  .setting-center-native-v210,
  .setting-center-school-v210 { width: calc(100% - 24px); }
  .setting-center-hero-v210 { align-items: flex-start; margin-top: 12px; padding: 20px; border-radius: 22px; }
  .setting-center-hero-icon-v210 { width: 48px; height: 48px; flex-basis: 48px; border-radius: 15px; }
  .setting-center-hero-icon-v210 svg { width: 24px; height: 24px; }
  .setting-center-hero-v210 small { font-size: 9px; }
  .setting-center-hero-v210 h1 { font-size: 20px; }
  .setting-center-hero-v210 p { font-size: 11px; line-height: 1.5; }
  .setting-center-summary-v210 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .setting-center-summary-v210 .is-wide { grid-column: 1 / -1; min-height: 100px; }
  .setting-center-summary-v210 > div { min-height: 94px; padding: 16px; border-radius: 18px; }
  .setting-center-summary-v210 strong { font-size: 23px; }
  .setting-center-grid-v210,
  .setting-center-native-v210 { grid-template-columns: 1fr; }
  .setting-center-card-v210 { padding: 18px; border-radius: 20px; }
  .setting-center-card-title-v210 p { font-size: 11px; }
  .setting-center-form-v210 label > div { align-items: stretch; flex-direction: column; }
  .setting-center-form-v210 button[type="submit"] { width: 100%; }
  .setting-center-list-v210 { max-height: 330px; }
  .setting-center-preferences-v214 { padding: 18px; border-radius: 20px; }
  .setting-center-preferences-grid-v214 { grid-template-columns: 1fr; }
  .setting-center-preference-v214 { grid-template-columns: 36px minmax(0, 1fr) auto; padding: 12px; }
  .setting-center-preference-v214 select { width: 120px; }
  .setting-center-toast-v210 { right: 16px; bottom: 16px; }
}

@media (max-width: 430px) {
  .setting-center-preference-v214:has(select) { grid-template-columns: 36px minmax(0, 1fr); }
  .setting-center-preference-v214:has(select) select { grid-column: 2; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .setting-center-page-v210,
  .setting-center-toast-v210,
  .setting-center-item-actions-v210 button { animation: none !important; transition: none !important; }
}