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#1a34a6;--brand-royal-dark: #142985;--brand-surface: #eef2ff;--brand-lavender: #dde3ff;--brand-pale: #cbd6ff;--brand-white: #ffffff;--brand-text: #1a2e5c;--brand-text-muted: rgba(26, 46, 92, .6);--brand-border: #cbd6ff;--brand-success: #2e7d5a;--brand-error: #c62828;--brand-accent-soft: rgba(26, 52, 166, .1);--brand-shadow: 0 8px 24px rgba(26, 52, 166, .08)}body:has(.admin-shell),body:has(.auth-screen--admin),body:has(.admin-loading){background:var(--brand-surface);padding:0}body:has(.admin-shell) .phone-frame,body:has(.auth-screen--admin) .phone-frame{max-width:none;box-shadow:none;border-radius:0;background:var(--brand-surface)}.brand-logo{display:block;object-fit:contain;flex-shrink:0;border-radius:12px}.auth-screen--admin{background:var(--brand-surface)}.auth-screen--admin .auth-screen__orb--1{background:#1a34a61f}.auth-screen--admin .auth-screen__orb--2{background:#dde3ffd9}.auth-screen--admin .auth-screen__grid{background-image:radial-gradient(rgba(26,52,166,.06) 1px,transparent 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var(--brand-border)}.admin-students__points{font-size:1.25rem;font-weight:900;line-height:1;color:var(--brand-royal)}.admin-students__points-label{font-size:10px;font-weight:700;color:var(--brand-text-muted);margin-top:2px}.admin-students__streak{margin-top:6px;font-size:11px;font-weight:800;color:var(--brand-text)}@media(max-width:960px){.admin-students__top,.admin-students__grid{grid-template-columns:1fr}}.admin-notify__head{margin-bottom:18px}.admin-notify__title{margin:0;font-size:1.15rem;font-weight:900;color:var(--brand-text)}.admin-notify__sub{margin:6px 0 0;font-size:13px;font-weight:600;color:var(--brand-text-muted)}.admin-notify__toast{margin-bottom:18px;font-size:14px;font-weight:600}.admin-notify__insights{display:grid;grid-template-columns:repeat(2,minmax(120px,.7fr)) repeat(2,minmax(0,1fr));gap:12px;margin-bottom:22px}.admin-notify__stat{padding:16px;border-radius:18px;background:var(--brand-white);border:2px solid 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#ffffff14}.notify-preview__phone-notch{position:absolute;top:10px;left:50%;transform:translate(-50%);width:56px;height:5px;border-radius:999px;background:#ffffff40}.notify-preview__push{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:16px;background:#fffffff5;box-shadow:0 8px 24px #0003}.notify-preview__app-icon{flex-shrink:0;border-radius:10px}.notify-preview__push-text{flex:1;min-width:0;text-align:right}.notify-preview__push-app{font-size:11px;font-weight:700;color:var(--brand-text-muted);margin-bottom:4px}.notify-preview__push-title{font-size:14px;font-weight:800;color:var(--brand-text);line-height:1.35;margin-bottom:4px}.notify-preview__push-body{font-size:13px;font-weight:600;color:var(--brand-text-muted);line-height:1.4;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.notify-preview__placeholder{opacity:.55;font-style:italic}.notify-preview__push-title.is-empty,.notify-preview__push-body.is-empty{font-weight:600}.notify-preview__hint{margin:12px 0 0;font-size:12px;text-align:center}.admin-notify__submit{min-height:48px;font-weight:800;border-radius:14px;box-shadow:0 4px 14px #1a34a638}.admin-notify__history{padding:20px;border-radius:20px;background:var(--brand-white);border:2px solid var(--brand-border);box-shadow:var(--brand-shadow)}.admin-notify__history-title{margin:0;font-size:1.05rem;font-weight:900;color:var(--brand-text)}.admin-notify__history-sub{margin:4px 0 0;font-size:12px;font-weight:600;color:var(--brand-text-muted)}.admin-notify__history-head{margin-bottom:16px}.admin-notify__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.admin-notify__list.is-loading{opacity:.55;pointer-events:none}.admin-notify__item{display:flex;gap:14px;padding:14px 16px;border-radius:16px;border:1px solid var(--brand-border);background:var(--brand-surface);transition:border-color .2s,transform 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var(--brand-border);box-shadow:var(--brand-shadow);text-align:center}.admin-settings__snap-value{display:block;font-size:1.5rem;font-weight:900;color:var(--brand-royal);line-height:1}.admin-settings__snap-label{display:block;margin-top:8px;font-size:11px;font-weight:700;color:var(--brand-text-muted)}.admin-settings__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}.admin-settings__card{border-radius:20px;background:var(--brand-white);border:2px solid var(--brand-border);box-shadow:var(--brand-shadow);overflow:hidden}.admin-settings__card--wa,.admin-settings__card--account{display:flex;flex-direction:column}.admin-settings__profile{display:flex;align-items:center;gap:16px;padding:20px 22px;background:linear-gradient(135deg,var(--brand-royal) 0%,#2a4fd4 55%,var(--brand-pale) 100%);color:#fff}.admin-settings__profile-meta{flex:1;min-width:0}.admin-settings__profile-name{margin:0 0 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var(--brand-border)}.admin-settings__admin-name{margin:0 0 4px;font-size:14px;font-weight:800;color:var(--brand-text)}.admin-settings__admin-contact{margin:0;font-size:12px;font-weight:600;color:var(--brand-text-muted)}.admin-settings__admin-date{flex-shrink:0;font-size:11px;font-weight:600;color:var(--brand-text-muted)}.admin-shell .field-input,.admin-shell textarea.field-input,.admin-filters .field-input,.admin-search-bar .field-input,.admin-shell select.field-input{background:var(--brand-white);border:2px solid var(--brand-border);color:var(--brand-text)}.admin-shell .field-input::placeholder,.admin-shell textarea.field-input::placeholder{color:#1a2e5c59}.admin-shell .field-input:focus,.admin-shell textarea.field-input:focus{border-color:var(--brand-royal);box-shadow:0 0 0 3px var(--brand-accent-soft)}.admin-search-bar{display:flex;align-items:stretch;flex-wrap:wrap;gap:12px;margin-bottom:20px}.admin-search-bar__input{flex:0 1 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var(--brand-border);background:var(--brand-white);color:var(--brand-text);font-family:inherit;font-size:13px;font-weight:700;cursor:pointer;transition:border-color .2s,background .2s,color .2s,box-shadow .2s}.admin-pagination__btn:hover:not(:disabled){border-color:var(--brand-royal);background:var(--brand-lavender);color:var(--brand-royal)}.admin-pagination__btn:focus-visible{outline:none;border-color:var(--brand-royal);box-shadow:0 0 0 3px var(--brand-accent-soft)}.admin-pagination__btn:disabled{opacity:.45;cursor:not-allowed}.admin-pagination__btn--next{background:var(--brand-royal);border-color:var(--brand-royal);color:#fff}.admin-pagination__btn--next:hover:not(:disabled){background:#152a8a;border-color:#152a8a;color:#fff}.admin-shell .user-avatar--fallback{background:var(--brand-lavender);color:var(--brand-royal);font-weight:800}.admin-shell .field-label{color:var(--brand-text)}.admin-shell .chip--dim{background:var(--brand-lavender);color:var(--brand-text)}.admin-shell 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16px;border-radius:16px;background:var(--brand-white);color:var(--brand-royal);box-shadow:0 8px 20px #00000014}.student-detail__points-value{font-size:1.65rem;font-weight:900;line-height:1}.student-detail__points-label{margin-top:4px;font-size:12px;font-weight:700;color:var(--brand-text-muted)}.student-detail__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}.student-detail__stat{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:118px;padding:16px 12px;border-radius:18px;background:var(--brand-white);border:2px solid var(--brand-border);text-align:center;box-shadow:var(--brand-shadow)}.student-detail__stat--accent{border-color:var(--brand-pale);background:linear-gradient(180deg,var(--brand-white) 0%,var(--brand-surface) 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0 1px var(--brand-border)}.student-detail__account{margin-bottom:24px;padding:22px 22px 20px;border-radius:20px;background:var(--brand-white);border:2px solid var(--brand-border);box-shadow:var(--brand-shadow)}.student-detail__account-head{margin-bottom:18px}.student-detail__account-title{margin:0 0 4px;font-size:1.05rem;font-weight:900;color:var(--brand-text)}.student-detail__account-sub{margin:0;font-size:13px;font-weight:600;color:var(--brand-text-muted)}.student-detail__account-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:12px}.student-detail__account-tile{display:flex;align-items:flex-start;gap:12px;padding:14px 14px 16px;border-radius:16px;border:1px solid var(--brand-border);background:var(--brand-surface);min-height:88px;transition:border-color .2s,transform .2s,box-shadow .2s}.student-detail__account-tile:hover{border-color:var(--brand-pale);transform:translateY(-2px);box-shadow:0 8px 20px #1a34a614}.student-detail__account-icon{flex-shrink:0;width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center}.student-detail__account-tile--mail .student-detail__account-icon{background:var(--brand-accent-soft);color:var(--brand-royal)}.student-detail__account-tile--phone .student-detail__account-icon{background:#1a34a614;color:var(--brand-royal-dark)}.student-detail__account-tile--date .student-detail__account-icon{background:#2e7d5a1f;color:var(--brand-success)}.student-detail__account-tile--streak .student-detail__account-icon{background:#c663281f;color:#c66328}.student-detail__account-tile--best .student-detail__account-icon{background:var(--brand-lavender);color:var(--brand-royal)}.student-detail__account-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}.student-detail__account-label{font-size:11px;font-weight:800;letter-spacing:.02em;text-transform:none;color:var(--brand-text-muted)}.student-detail__account-value{font-size:15px;font-weight:800;line-height:1.35;color:var(--brand-text);word-break:break-word}.student-detail__account-value--accent{color:var(--brand-royal);font-size:1.25rem;line-height:1.1}.student-detail__account-unit{font-size:12px;font-weight:700;color:var(--brand-text-muted)}.student-detail__activity-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.student-detail__section-title{margin:0;font-size:1.05rem;font-weight:900;color:var(--brand-text)}.student-detail__activity-count{font-size:12px;font-weight:700;color:var(--brand-text-muted);padding:6px 12px;border-radius:999px;background:var(--brand-white);border:1px solid var(--brand-border)}.student-detail__activity-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.student-detail__activity-item{display:flex;align-items:flex-start;gap:14px;padding:14px 16px;border-radius:16px;background:var(--brand-white);border:2px solid var(--brand-border);box-shadow:var(--brand-shadow);transition:border-color .2s,transform .2s}.student-detail__activity-item:hover{border-color:var(--brand-pale);transform:translateY(-1px)}.student-detail__activity-status{flex-shrink:0;width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:900}.student-detail__activity-status.is-correct{background:#2e7d5a1f;color:var(--brand-success)}.student-detail__activity-status.is-wrong{background:#c628281a;color:var(--brand-error)}.student-detail__activity-body{flex:1;min-width:0}.student-detail__activity-text{margin:0 0 8px;font-size:14px;line-height:1.45;color:var(--brand-text)}.student-detail__activity-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}.student-detail__activity-time{font-size:12px;font-weight:600;color:var(--brand-text-muted)}@media(max-width:720px){.student-detail__stats{grid-template-columns:1fr}.student-detail__points-badge{width:100%;flex-direction:row;justify-content:space-between;gap:8px}.student-detail__points-value{font-size:1.35rem}}.admin-toast{background:#2e7d5a1a;border-color:#2e7d5a4d;color:var(--brand-success)}.admin-preview{background:var(--brand-surface);border:2px dashed var(--brand-pale);color:var(--brand-text)}.admin-preview p{color:var(--brand-text)}.admin-preview__label{color:var(--brand-royal)}.admin-shell .skeleton{background:linear-gradient(90deg,var(--brand-lavender) 25%,var(--brand-pale) 50%,var(--brand-lavender) 75%);background-size:200% 100%}body:has(.admin-shell) .btn.btn--primary,body.sheet-open--admin .btn.btn--primary{background:linear-gradient(180deg,#243fc0 0%,var(--brand-royal) 100%);color:var(--brand-white);box-shadow:0 4px 0 var(--brand-royal-dark),0 8px 20px #1a34a640}body:has(.admin-shell) .btn.btn--primary:hover:not(:disabled),body.sheet-open--admin .btn.btn--primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 0 var(--brand-royal-dark),0 12px 28px #1a34a652}body:has(.admin-shell) .btn.btn--primary:active:not(:disabled),body.sheet-open--admin .btn.btn--primary:active:not(:disabled){transform:translateY(2px);box-shadow:0 1px 0 var(--brand-royal-dark),0 4px 12px #1a34a638}body:has(.admin-shell) .btn.btn--secondary,body.sheet-open--admin .btn.btn--secondary{background:var(--brand-white);color:var(--brand-royal);border:2px solid var(--brand-royal);box-shadow:none}body:has(.admin-shell) .btn.btn--secondary:hover:not(:disabled),body.sheet-open--admin 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.sheet-backdrop{background:#1a2e5c66;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}body.sheet-open--admin-dialog .sheet-panel,.sheet-panel--admin-dialog{top:50%;bottom:auto;left:50%;right:auto;transform:translate(-50%,-50%);width:min(92vw,520px);max-width:none;max-height:min(88dvh,720px);border-radius:20px;border:2px solid var(--brand-border);background:var(--brand-white);box-shadow:0 24px 48px #1a34a629,0 8px 24px #1a2e5c14;overflow:hidden;display:flex;flex-direction:column;animation:admin-dialog-in .28s cubic-bezier(.34,1.2,.64,1) both}.sheet-panel--admin-dialog-lg{width:min(94vw,680px);max-height:min(90dvh,820px)}@keyframes admin-dialog-in{0%{opacity:0;transform:translate(-50%,-46%) scale(.97)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}body.sheet-open--admin-dialog .sheet-panel__header,.sheet-panel--admin-dialog .sheet-panel__header{position:relative;flex-shrink:0;padding:18px 20px 14px;background:linear-gradient(180deg,var(--brand-surface) 0%,var(--brand-white) 100%);border-bottom:1px solid var(--brand-border)}body.sheet-open--admin-dialog .sheet-panel__title,.sheet-panel--admin-dialog .sheet-panel__title{font-size:17px;font-weight:800;color:var(--brand-text)}body.sheet-open--admin-dialog .sheet-panel__close,.sheet-panel--admin-dialog .sheet-panel__close{width:36px;height:36px;min-height:36px;padding:0;border-radius:10px;color:var(--brand-text-muted);border:1px solid var(--brand-border);background:var(--brand-white)}body.sheet-open--admin-dialog .sheet-panel__close:hover:not(:disabled),.sheet-panel--admin-dialog .sheet-panel__close:hover:not(:disabled){color:var(--brand-royal);border-color:var(--brand-pale);background:var(--brand-lavender)}body.sheet-open--admin-dialog .sheet-panel__body,.sheet-panel--admin-dialog .sheet-panel__body{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:18px 20px 22px;padding-bottom:calc(22px + env(safe-area-inset-bottom,0));color:var(--brand-text);-webkit-overflow-scrolling:touch}body.sheet-open--admin-dialog .sheet-panel__body .space-y-4>*+*{margin-top:14px}body.sheet-open--admin .sheet-panel{background:var(--brand-white)}body.sheet-open--admin .sheet-panel__body .field-input,body.sheet-open--admin .sheet-panel__body textarea.field-input,body.sheet-open--admin .sheet-panel__body select.field-input{background:var(--brand-white);border-color:var(--brand-border);color:var(--brand-text)}body.sheet-open--admin .sheet-panel__body .field-label{color:var(--brand-text)}body.sheet-open--admin .sheet-panel__body .admin-preview{background:var(--brand-surface);border-color:var(--brand-pale)}body.sheet-open--admin .sheet-panel__body .admin-preview__label{color:var(--brand-royal)}body.sheet-open--admin .sheet-panel__body label span{color:var(--brand-text)}body.sheet-open--admin .sheet-panel__body input[type=checkbox]{accent-color:var(--brand-royal)}.admin-shell .admin-muted{color:var(--brand-text-muted)}.admin-shell .text-gold{color:var(--brand-royal)}.admin-shell .admin-ok{color:var(--brand-success)}.admin-shell .admin-bad{color:var(--brand-error)}.brand-select{position:relative;width:100%}.brand-select__trigger{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;min-height:46px;padding:10px 14px;border-radius:14px;border:2px solid var(--brand-border);background:var(--brand-white);color:var(--brand-text);font-family:inherit;font-size:14px;font-weight:600;text-align:right;cursor:pointer;transition:border-color .2s,box-shadow .2s,background .2s}.brand-select__trigger:hover:not(:disabled){border-color:var(--brand-pale);background:var(--brand-surface)}.brand-select--open .brand-select__trigger,.brand-select__trigger:focus-visible{outline:none;border-color:var(--brand-royal);box-shadow:0 0 0 3px var(--brand-accent-soft)}.brand-select--disabled .brand-select__trigger{opacity:.55;cursor:not-allowed}.brand-select__value{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.brand-select__value--placeholder{color:var(--brand-text-muted);font-weight:500}.brand-select__chevron{display:flex;align-items:center;justify-content:center;color:var(--brand-text-muted);flex-shrink:0;transition:transform .2s,color .2s}.brand-select--open .brand-select__chevron{transform:rotate(180deg);color:var(--brand-royal)}.brand-select__menu{margin:0;padding:6px;list-style:none;max-height:240px;overflow-y:auto;border-radius:14px;border:2px solid var(--brand-border);background:var(--brand-white);box-shadow:0 16px 40px #1a34a624,0 4px 12px #1a2e5c14;animation:brand-select-in .18s cubic-bezier(.34,1.2,.64,1) both}.brand-select__menu--portal{position:fixed}@keyframes brand-select-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.brand-select__option{display:block;width:100%;padding:10px 12px;border:none;border-radius:10px;background:transparent;color:var(--brand-text);font-family:inherit;font-size:14px;font-weight:600;text-align:right;cursor:pointer;transition:background .15s,color .15s}.brand-select__option:hover{background:var(--brand-lavender)}.brand-select__option--active{background:var(--brand-accent-soft);color:var(--brand-royal)}.brand-select__option--active:hover{background:var(--brand-lavender)}@media(max-width:960px){.admin-sidebar{border-bottom:2px solid var(--brand-border)}}