:root {
  --nt-navy: #082b63;
  --nt-blue: #124b92;
  --nt-green: #00d995;
  --nt-ink: #10243f;
  --nt-muted: #607084;
  --nt-line: #dbe5e2;
  --nt-mint: #eef9f5;
  --nt-cream: #fbfaf5;
  --nt-white: #fff;
  --nt-danger: #bd2c2c;
  --nt-radius: 20px;
  --nt-shadow: 0 14px 36px rgba(8, 43, 99, .09);
}

.b180-nt-wrap,
.b180-nt-admin {
  color: var(--nt-ink);
  font-family: inherit;
  font-size: 17px;
  line-height: 1.65;
}

.b180-nt-wrap *,
.b180-nt-admin * { box-sizing: border-box; }
.b180-nt-wrap { max-width: 1220px; margin: 0 auto; padding: 48px 24px 96px; }
.b180-nt-wrap h2,
.b180-nt-wrap h3,
.b180-nt-admin h1,
.b180-nt-admin h2,
.b180-nt-admin h3 { color: var(--nt-navy); letter-spacing: -.035em; line-height: 1.25; }
.b180-nt-wrap h2 { margin: 3px 0 0; font-size: clamp(30px, 3vw, 48px); }
.b180-nt-section { margin: 0 0 72px; }
.b180-nt-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.b180-nt-section-head p,
.b180-nt-member-head p,
.b180-nt-admin-head p { margin: 0; color: #007a63; font-size: 14px; font-weight: 800; letter-spacing: .16em; }
.b180-nt-section-head > span { max-width: 460px; color: var(--nt-muted); }
.b180-nt-back { display: inline-block; margin-bottom: 22px; color: var(--nt-blue); font-weight: 750; text-decoration: none; }

.b180-nt-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0 0 46px; padding: 0; border-top: 1px solid var(--nt-line); border-bottom: 1px solid var(--nt-line); list-style: none; }
.b180-nt-flow li { display: flex; align-items: center; gap: 10px; min-height: 64px; padding: 12px 14px; color: var(--nt-muted); }
.b180-nt-flow li + li { border-left: 1px solid var(--nt-line); }
.b180-nt-flow li b { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid #b9cac5; border-radius: 50%; font-size: 13px; }
.b180-nt-flow li span { font-size: 15px; font-weight: 720; }
.b180-nt-flow li.is-current { color: var(--nt-navy); background: var(--nt-mint); }
.b180-nt-flow li.is-current b { border-color: var(--nt-green); background: var(--nt-green); }

.b180-nt-plan-stage { display: grid; grid-template-columns: minmax(220px, .38fr) minmax(0, 1fr); gap: 44px; padding: 36px 0; border-top: 1px solid var(--nt-line); }
.b180-nt-stage-title > span { color: #00846a; font-size: 13px; font-weight: 820; letter-spacing: .12em; }
.b180-nt-stage-title h3 { margin: 7px 0 0; font-size: 25px; }
.b180-nt-frequency { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.b180-nt-frequency button { min-height: 112px; padding: 20px 22px; border: 1px solid var(--nt-line); background: #fff; color: var(--nt-ink); text-align: left; cursor: pointer; transition: border-color .18s ease, background .18s ease, transform .18s ease; }
.b180-nt-frequency button:hover { border-color: #8eb9ad; transform: translateY(-2px); }
.b180-nt-frequency button:focus-visible { outline: 3px solid rgba(0, 217, 149, .35); outline-offset: 2px; }
.b180-nt-frequency button b,
.b180-nt-frequency button span { display: block; }
.b180-nt-frequency button b { color: var(--nt-navy); font-size: 24px; }
.b180-nt-frequency button span { margin-top: 5px; color: var(--nt-muted); font-size: 15px; }
.b180-nt-frequency button.is-selected { border: 2px solid var(--nt-navy); background: var(--nt-mint); }
.b180-nt-duration-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--nt-line); border: 1px solid var(--nt-line); }
.b180-nt-duration-options a { position: relative; display: none; min-height: 260px; padding: 26px; flex-direction: column; background: #fff; color: var(--nt-ink); text-decoration: none; }
.b180-nt-duration-options a.is-visible { display: flex; }
.b180-nt-duration-options a:hover { z-index: 1; box-shadow: inset 0 -4px 0 var(--nt-green); }
.b180-nt-duration-options a:focus-visible { z-index: 2; outline: 3px solid var(--nt-green); outline-offset: -3px; }
.b180-nt-duration-options a > em { position: absolute; top: 18px; right: 18px; padding: 4px 9px; background: var(--nt-green); color: var(--nt-navy); font-size: 11px; font-style: normal; font-weight: 850; letter-spacing: .08em; }
.b180-nt-duration-options a > span { color: #00846a; font-size: 15px; font-weight: 780; }
.b180-nt-duration-options h3 { margin: 8px 0 6px; font-size: 23px; }
.b180-nt-duration-options strong { color: var(--nt-navy); font-size: 25px; }
.b180-nt-duration-options small { margin: 18px 0 auto; color: var(--nt-muted); line-height: 1.55; }
.b180-nt-duration-options a > b { margin-top: 24px; color: var(--nt-navy); font-size: 15px; }

.b180-nt-filter-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin: 30px 0 14px; }
.b180-nt-filter-head > div:first-child b,
.b180-nt-filter-head > div:first-child span { display: block; }
.b180-nt-filter-head > div:first-child b { color: var(--nt-navy); font-size: 21px; }
.b180-nt-filter-head > div:first-child span { max-width: 600px; margin-top: 4px; color: var(--nt-muted); font-size: 14px; }
.b180-nt-teacher-filters { display: flex; gap: 6px; overflow-x: auto; }
.b180-nt-teacher-filters button { flex: 0 0 auto; min-height: 42px; padding: 0 15px; border: 1px solid #b9c9c5; background: #fff; color: #38544e; font: inherit; font-size: 14px; font-weight: 730; cursor: pointer; }
.b180-nt-teacher-filters button.is-active { border-color: var(--nt-navy); background: var(--nt-navy); color: #fff; }
.b180-nt-teacher-filters button:focus-visible { outline: 3px solid rgba(0, 217, 149, .35); outline-offset: 2px; }
.b180-nt-same-teacher-note { margin: 0 0 14px; padding: 12px 15px; border-left: 4px solid var(--nt-green); background: var(--nt-mint); color: #31584e; font-size: 14px; }
.b180-nt-week-scroll { overflow-x: auto; border: 1px solid var(--nt-line); background: #fff; box-shadow: 0 12px 30px rgba(8, 43, 99, .06); }
.b180-nt-week-scroll:focus-visible { outline: 3px solid rgba(0, 217, 149, .35); outline-offset: 2px; }
.b180-nt-week-grid { display: grid; grid-template-columns: 88px repeat(7, minmax(142px, 1fr)); min-width: 1080px; }
.b180-nt-week-grid > div { min-width: 0; border-right: 1px solid var(--nt-line); border-bottom: 1px solid var(--nt-line); }
.b180-nt-week-grid > div:nth-child(8n) { border-right: 0; }
.b180-nt-week-grid .is-head { position: sticky; top: 0; z-index: 4; display: grid; min-height: 50px; place-items: center; background: var(--nt-navy); color: #fff; font-size: 14px; font-weight: 790; }
.b180-nt-week-grid .is-time { position: sticky; left: 0; z-index: 3; display: grid; place-items: center; background: #f3f7f5; color: var(--nt-navy); font-size: 15px; font-weight: 800; }
.b180-nt-week-grid .is-head.is-time { z-index: 5; background: #062552; color: #fff; }
.b180-nt-slot-cell { display: flex; min-height: 116px; padding: 7px; flex-direction: column; gap: 6px; background: #fff; }
.b180-nt-slot-cell > i { display: none; margin: auto; color: #a5b2ae; font-style: normal; }
.b180-nt-slot-cell.is-empty > i { display: block; }
.b180-nt-slot-option { display: block; cursor: pointer; }
.b180-nt-slot-option[hidden] { display: none !important; }
.b180-nt-slot-option input { position: absolute; opacity: 0; pointer-events: none; }
.b180-nt-slot-option span { display: flex; min-height: 47px; padding: 7px 9px; flex-direction: column; justify-content: center; border: 1px solid #cfe0db; background: #f7fbf9; transition: border-color .16s ease, background .16s ease; }
.b180-nt-slot-option b { overflow: hidden; color: var(--nt-navy); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.b180-nt-slot-option small { color: #64756f; font-size: 11px; }
.b180-nt-slot-option:hover span,
.b180-nt-slot-option input:focus-visible + span { border-color: #00a878; }
.b180-nt-slot-option.is-selected span { border: 2px solid var(--nt-navy); background: #dcf7ed; }
.b180-nt-slot-option.is-selected b::before { content: "✓ "; color: #008f70; }
.b180-nt-slot-option input:disabled + span { opacity: .38; cursor: not-allowed; }
.b180-nt-swipe-hint { display: none; color: var(--nt-muted); font-size: 13px; }
.b180-nt-renewal-summary { padding: 28px; border: 1px solid var(--nt-line); background: var(--nt-mint); }
.b180-nt-renewal-summary > span { color: #00846a; font-size: 13px; font-weight: 820; letter-spacing: .1em; }
.b180-nt-renewal-summary > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 15px 0; }
.b180-nt-renewal-summary label { padding: 18px; background: #fff; border-left: 4px solid var(--nt-green); }
.b180-nt-renewal-summary input { position: absolute; opacity: 0; pointer-events: none; }
.b180-nt-renewal-summary b,
.b180-nt-renewal-summary small { display: block; }
.b180-nt-renewal-summary b { color: var(--nt-navy); }
.b180-nt-renewal-summary small,
.b180-nt-renewal-summary p { color: var(--nt-muted); }

.b180-nt-products { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--nt-line); border-left: 1px solid var(--nt-line); }
.b180-nt-products article { min-height: 360px; padding: 34px; background: #fff; border-right: 1px solid var(--nt-line); border-bottom: 1px solid var(--nt-line); }
.b180-nt-products article > span { color: #007a63; font-weight: 800; }
.b180-nt-products h3 { min-height: 64px; margin: 10px 0 14px; font-size: 27px; }
.b180-nt-products strong { display: block; color: var(--nt-navy); font-size: 25px; }
.b180-nt-products ul { min-height: 102px; margin: 24px 0; padding: 0; list-style: none; }
.b180-nt-products li { margin: 7px 0; color: var(--nt-muted); }
.b180-nt-products li::before { content: "✓"; margin-right: 8px; color: #00a878; font-weight: 900; }
.b180-nt-products a,
.b180-nt-login-callout a,
.b180-nt-picker-bar button,
.b180-nt-member-head a,
.b180-nt-renew { display: inline-flex; align-items: center; min-height: 50px; padding: 0 22px; border: 0; border-radius: 5px; background: var(--nt-navy); color: #fff !important; font: inherit; font-weight: 800; text-decoration: none !important; cursor: pointer; }
.b180-nt-products article:nth-child(2) { background: var(--nt-navy); }
.b180-nt-products article:nth-child(2) h3,
.b180-nt-products article:nth-child(2) strong { color: #fff; }
.b180-nt-products article:nth-child(2) > span,
.b180-nt-products article:nth-child(2) li { color: #cfe5e1; }
.b180-nt-products article:nth-child(2) a { background: var(--nt-green); color: var(--nt-navy) !important; }

.b180-nt-notice { margin: 18px 0; padding: 16px 20px; border-left: 5px solid #00a878; background: #effaf6; font-weight: 700; }
.b180-nt-notice.is-error { border-color: var(--nt-danger); background: #fff2f1; color: #8c2020; }
.b180-nt-login-callout,
.b180-nt-empty { padding: 44px; background: var(--nt-mint); border-top: 4px solid var(--nt-green); }
.b180-nt-login-callout h3,
.b180-nt-empty h3 { margin-top: 0; font-size: 25px; }

.b180-nt-teacher-card { display: grid; grid-template-columns: minmax(280px, .8fr) 1.4fr; gap: 42px; padding: 34px 0; border-top: 1px solid var(--nt-line); }
.b180-nt-teacher-profile { display: grid; grid-template-columns: 118px 1fr; gap: 22px; align-items: center; }
.b180-nt-teacher-profile img,
.b180-nt-teacher-profile > span { width: 118px; height: 148px; object-fit: cover; background: var(--nt-navy); color: #fff; display: grid; place-items: center; font-size: 45px; font-weight: 800; }
.b180-nt-teacher-profile p { margin: 0; color: #00846a; font-size: 12px; font-weight: 850; letter-spacing: .14em; }
.b180-nt-teacher-profile h3 { margin: 3px 0 8px; font-size: 25px; }
.b180-nt-teacher-profile div div { color: var(--nt-muted); font-size: 15px; }
.b180-nt-time-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.b180-nt-time-options label { display: block; cursor: pointer; }
.b180-nt-time-options input { position: absolute; opacity: 0; pointer-events: none; }
.b180-nt-time-options span { display: flex; min-height: 76px; padding: 13px 17px; flex-direction: column; justify-content: center; border: 1px solid var(--nt-line); background: #fff; transition: border-color .18s ease, background .18s ease; }
.b180-nt-time-options b { color: var(--nt-navy); font-size: 18px; }
.b180-nt-time-options small { color: #748279; }
.b180-nt-time-options label:hover span,
.b180-nt-time-options input:focus-visible + span { border-color: #00a878; }
.b180-nt-time-options label.is-selected span { border: 2px solid #008f70; background: var(--nt-mint); }
.b180-nt-time-options label.is-selected b::before { content: "✓ "; color: #008f70; }
.b180-nt-picker-bar { position: sticky; z-index: 20; bottom: 18px; display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 24px 0; padding: 16px 20px; background: var(--nt-navy); color: #fff; box-shadow: var(--nt-shadow); }
.b180-nt-picker-bar > div { min-width: 0; }
.b180-nt-picker-bar span,
.b180-nt-picker-bar small { display: block; }
.b180-nt-picker-bar span { font-size: 18px; }
.b180-nt-picker-bar small { overflow: hidden; max-width: 650px; color: #cfe0dd; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.b180-nt-picker-bar button { background: var(--nt-green); color: var(--nt-navy) !important; }
.b180-nt-picker-bar button:disabled { opacity: .45; cursor: not-allowed; }
.b180-nt-waitlist { margin-top: 38px; border-top: 1px solid var(--nt-line); }
.b180-nt-waitlist summary { padding: 18px 0; color: var(--nt-navy); font-weight: 800; cursor: pointer; }
.b180-nt-waitlist article { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 0; border-top: 1px solid #edf1ef; }
.b180-nt-waitlist article span { display: flex; gap: 18px; }
.b180-nt-waitlist button { padding: 8px 14px; border: 1px solid var(--nt-navy); background: transparent; color: var(--nt-navy); font-weight: 750; cursor: pointer; }

.b180-nt-member { margin-bottom: 68px; padding: 38px; background: var(--nt-navy); color: #eaf5f2; }
.b180-nt-member-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.b180-nt-member-head h2 { margin: 4px 0 0; color: #fff; font-size: clamp(28px, 3vw, 42px); }
.b180-nt-member-head a { background: var(--nt-green); color: var(--nt-navy) !important; }
.b180-nt-contracts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.b180-nt-contracts > article { padding: 25px; background: #fff; color: var(--nt-ink); }
.b180-nt-contracts > article > span { color: #00866c; font-size: 14px; font-weight: 800; }
.b180-nt-contracts h3 { margin: 4px 0 13px; font-size: 24px; }
.b180-nt-contract-slots { display: grid; gap: 5px; margin-bottom: 18px; }
.b180-nt-contracts dl { margin: 0; }
.b180-nt-contracts dl > div { display: grid; grid-template-columns: 90px 1fr; gap: 12px; padding: 9px 0; border-top: 1px solid var(--nt-line); }
.b180-nt-contracts dt { color: var(--nt-muted); }
.b180-nt-contracts dd { margin: 0; }
.b180-nt-renew { margin-top: 14px; background: var(--nt-green); color: var(--nt-navy) !important; }
.b180-nt-next-lessons { margin-top: 24px; }
.b180-nt-next-lessons h3 { color: #fff; }
.b180-nt-next-lessons article { display: grid; grid-template-columns: 150px 1fr auto; gap: 18px; align-items: center; min-height: 76px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.18); }
.b180-nt-next-lessons time { color: var(--nt-green); font-weight: 800; }
.b180-nt-next-lessons article div { display: flex; flex-direction: column; }
.b180-nt-next-lessons article a { padding: 9px 14px; background: var(--nt-green); color: var(--nt-navy); font-weight: 800; text-decoration: none; }
.b180-nt-next-lessons article em { color: #c4d4d1; font-style: normal; }
.b180-nt-change-note { margin: 26px 0 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.18); color: #cfe0dd; }

.b180-nt-admin { max-width: 1500px; margin: 20px 20px 0 0; }
.b180-nt-admin-head { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-bottom: 24px; padding: 30px 34px; background: var(--nt-navy); color: #fff; }
.b180-nt-admin-head h1 { margin: 3px 0; color: #fff; font-size: 34px; }
.b180-nt-admin-head span { color: #cfe0dd; font-size: 16px; }
.b180-nt-tabs { display: flex; gap: 2px; margin-bottom: 22px; overflow-x: auto; background: #e6eeec; }
.b180-nt-tabs a { flex: 0 0 auto; padding: 13px 18px; color: #29453f; font-weight: 750; text-decoration: none; }
.b180-nt-tabs a.is-active { background: var(--nt-navy); color: #fff; }
.b180-nt-panel { margin-bottom: 22px; padding: 28px; background: #fff; border: 1px solid #dce3e1; box-shadow: 0 8px 22px rgba(8,43,99,.05); }
.b180-nt-panel h2 { margin: 0 0 8px; font-size: 25px; }
.b180-nt-panel h3 { margin-top: 26px; }
.b180-nt-panel > p { color: var(--nt-muted); }
.b180-nt-panel hr { margin: 28px 0; border: 0; border-top: 1px solid var(--nt-line); }
.b180-nt-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 22px; }
.b180-nt-stats article { min-height: 128px; padding: 22px; background: #fff; border-top: 4px solid var(--nt-green); box-shadow: 0 8px 22px rgba(8,43,99,.05); }
.b180-nt-stats span { display: block; color: var(--nt-muted); font-weight: 700; }
.b180-nt-stats strong { display: block; margin-top: 6px; color: var(--nt-navy); font-size: 32px; line-height: 1.2; }
.b180-nt-stats small { display: block; margin-top: 8px; color: var(--nt-muted); }
.b180-nt-steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin: 24px 0 0; padding: 0; list-style: none; counter-reset: operation; }
.b180-nt-steps li { min-height: 145px; padding: 18px; border-top: 1px solid var(--nt-line); border-right: 1px solid var(--nt-line); counter-increment: operation; }
.b180-nt-steps li::before { content: counter(operation, decimal-leading-zero); display: block; margin-bottom: 17px; color: #00a878; font-size: 14px; font-weight: 850; }
.b180-nt-steps b,
.b180-nt-steps span { display: block; }
.b180-nt-steps span { margin-top: 6px; color: var(--nt-muted); font-size: 14px; line-height: 1.5; }
.b180-nt-admin-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr); gap: 22px; }
.b180-nt-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 20px 0; }
.b180-nt-form-grid label { display: flex; flex-direction: column; gap: 6px; }
.b180-nt-form-grid label > span { color: #38544e; font-weight: 750; }
.b180-nt-form-grid .is-wide { grid-column: 1 / -1; }
.b180-nt-form-grid input:not([type="checkbox"]),
.b180-nt-form-grid select,
.b180-nt-form-grid textarea { width: 100%; min-height: 44px; padding: 8px 12px; border: 1px solid #b9c8c4; border-radius: 3px; font-size: 15px; }
.b180-nt-form-grid textarea { min-height: 100px; }
.b180-nt-form-grid .b180-nt-check { flex-direction: row; align-items: center; }
.b180-nt-list article { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 15px 0; border-top: 1px solid var(--nt-line); }
.b180-nt-list img,
.b180-nt-avatar { width: 52px; height: 52px; object-fit: cover; display: grid; place-items: center; background: var(--nt-navy); color: #fff; font-weight: 800; }
.b180-nt-list b,
.b180-nt-list small { display: block; }
.b180-nt-list small { color: var(--nt-muted); }
.b180-nt-panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.b180-nt-lesson-list article { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(500px, 1.2fr); gap: 22px; align-items: center; padding: 16px 0; border-top: 1px solid var(--nt-line); }
.b180-nt-lesson-list article > div { display: grid; grid-template-columns: 150px 1fr auto; gap: 14px; align-items: center; }
.b180-nt-lesson-list form { display: grid; grid-template-columns: 180px 1fr auto; gap: 8px; }
.b180-nt-lesson-list select,
.b180-nt-lesson-list input { min-height: 38px; }
.b180-nt-table-wrap { overflow-x: auto; }
.b180-nt-table-wrap table { min-width: 1050px; }
.b180-nt-table-wrap td { vertical-align: middle; }
.b180-nt-table-wrap td form { display: flex; gap: 6px; align-items: center; }

.b180-nt-calendar { margin: 22px 0 30px; border-top: 1px solid var(--nt-line); border-left: 1px solid var(--nt-line); }
.b180-nt-cal-week,
.b180-nt-cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.b180-nt-cal-week span { padding: 9px; background: #edf4f2; border-right: 1px solid var(--nt-line); text-align: center; font-weight: 800; }
.b180-nt-cal-grid > div { min-height: 110px; padding: 8px; border-right: 1px solid var(--nt-line); border-bottom: 1px solid var(--nt-line); }
.b180-nt-cal-grid > div.is-empty { background: #f8faf9; }
.b180-nt-day { display: block; margin-bottom: 6px; color: #435a55; }
.b180-nt-cal-event { display: block; margin: 4px 0; padding: 5px 7px; background: #eaf7f2; border-left: 3px solid #00a878; font-size: 12px; line-height: 1.35; }
.b180-nt-cal-event small,
.b180-nt-cal-event b { display: block; }
.b180-nt-cal-event.is-no_show,
.b180-nt-cal-event.is-late_cancel,
.b180-nt-cal-event.is-same_day_cancel { background: #fff1ee; border-color: #ce4f38; }
.b180-nt-cal-event.is-completed,
.b180-nt-cal-event.is-makeup_completed { background: #edf2ff; border-color: #365db7; }

.b180-nt-checkout-hold { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; padding: 17px 20px; background: var(--nt-navy); color: #fff; }
.b180-nt-checkout-hold strong { color: var(--nt-green); font-size: 20px; }
.b180-nt-checkout-hold.is-expired { background: #8b2929; }

@media (max-width: 1000px) {
  .b180-nt-products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .b180-nt-plan-stage { grid-template-columns: 1fr; gap: 22px; }
  .b180-nt-filter-head { align-items: stretch; flex-direction: column; }
  .b180-nt-teacher-card,
  .b180-nt-admin-grid { grid-template-columns: 1fr; }
  .b180-nt-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .b180-nt-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .b180-nt-lesson-list article { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .b180-nt-wrap { padding: 28px 18px 70px; font-size: 16px; }
  .b180-nt-section { margin-bottom: 50px; }
  .b180-nt-section-head,
  .b180-nt-member-head,
  .b180-nt-admin-head,
  .b180-nt-panel-head { align-items: stretch; flex-direction: column; }
  .b180-nt-products,
  .b180-nt-contracts,
  .b180-nt-time-options,
  .b180-nt-stats,
  .b180-nt-steps,
  .b180-nt-form-grid { grid-template-columns: 1fr; }
  .b180-nt-flow { margin-bottom: 30px; }
  .b180-nt-flow li { min-height: 54px; padding: 8px 5px; flex-direction: column; gap: 3px; text-align: center; }
  .b180-nt-flow li b { width: 24px; height: 24px; font-size: 11px; }
  .b180-nt-flow li span { font-size: 11px; }
  .b180-nt-plan-stage { padding: 27px 0; }
  .b180-nt-stage-title h3 { font-size: 22px; }
  .b180-nt-frequency { grid-template-columns: 1fr 1fr; }
  .b180-nt-frequency button { min-height: 100px; padding: 15px; }
  .b180-nt-frequency button b { font-size: 20px; }
  .b180-nt-frequency button span { font-size: 12px; line-height: 1.45; }
  .b180-nt-duration-options { grid-template-columns: 1fr; }
  .b180-nt-duration-options a { min-height: 205px; padding: 22px; }
  .b180-nt-duration-options small { margin-top: 12px; }
  .b180-nt-teacher-filters { width: 100%; padding-bottom: 4px; }
  .b180-nt-week-scroll { margin-right: -18px; }
  .b180-nt-week-grid { grid-template-columns: 72px repeat(7, 128px); min-width: 968px; }
  .b180-nt-swipe-hint { display: block; margin: 8px 0 0; }
  .b180-nt-renewal-summary { padding: 20px; }
  .b180-nt-renewal-summary > div { grid-template-columns: 1fr; }
  .b180-nt-products h3,
  .b180-nt-products ul { min-height: 0; }
  .b180-nt-teacher-profile { grid-template-columns: 82px 1fr; }
  .b180-nt-teacher-profile img,
  .b180-nt-teacher-profile > span { width: 82px; height: 108px; }
  .b180-nt-picker-bar { bottom: 8px; padding: 12px; align-items: stretch; flex-direction: column; }
  .b180-nt-picker-bar small { white-space: normal; }
  .b180-nt-picker-bar button { min-height: 46px; padding: 0 14px; font-size: 15px; }
  .b180-nt-member { margin-left: -18px; margin-right: -18px; padding: 28px 18px; }
  .b180-nt-next-lessons article { grid-template-columns: 1fr auto; }
  .b180-nt-next-lessons time { grid-column: 1 / -1; }
  .b180-nt-contracts dl > div { grid-template-columns: 74px 1fr; }
  .b180-nt-admin { margin-right: 10px; }
  .b180-nt-admin-head { padding: 24px; }
  .b180-nt-panel { padding: 20px; }
  .b180-nt-form-grid .is-wide { grid-column: auto; }
  .b180-nt-lesson-list article > div,
  .b180-nt-lesson-list form { grid-template-columns: 1fr; }
  .b180-nt-cal-grid > div { min-height: 72px; padding: 4px; }
  .b180-nt-cal-event { overflow: hidden; padding: 3px; font-size: 10px; }
  .b180-nt-cal-event b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .b180-nt-cal-week span { padding: 6px 2px; font-size: 12px; }
  .b180-nt-checkout-hold { align-items: flex-start; flex-direction: column; }
}