:root{--c-primary: #000000;--c-primary-contrast: #ffffff;--c-accent: #d4af37;--c-bg: #f6f6f7;--c-surface: #ffffff;--c-surface-2: #fafafa;--c-text: #111111;--c-text-dim: #6b7280;--c-border: #e5e7eb;--c-success: #10b981;--c-warn: #f59e0b;--c-danger: #ef4444;--radius: 14px;--radius-sm: 10px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06), 0 1px 3px rgba(0, 0, 0, .04);--shadow: 0 4px 16px rgba(0, 0, 0, .08);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;min-height:100%}body{background:var(--c-bg);color:var(--c-text);font-family:var(--font);font-size:15px;line-height:1.45}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{border:0;cursor:pointer}h1,h2,p{margin:0}.app-shell{min-height:100dvh;padding-bottom:24px}.topbar{align-items:center;background:var(--c-primary);box-shadow:var(--shadow);color:var(--c-primary-contrast);display:flex;gap:12px;min-height:66px;padding:max(12px,env(safe-area-inset-top)) 18px 12px;position:sticky;top:0;z-index:20}.topbar strong,.topbar span{display:block}.topbar span{color:#ffffffb8;font-size:.82rem}.topbar-title{flex:1}.topbar-action{margin-left:auto;min-height:36px;padding:8px 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96px;width:100%}.content-narrow{max-width:760px}.bottom-nav{display:none}.nav-fab{align-items:center;background:var(--c-primary);border-radius:50%;bottom:max(16px,env(safe-area-inset-bottom));box-shadow:0 4px 16px #00000040;color:var(--c-primary-contrast);display:inline-flex;height:56px;justify-content:center;position:fixed;right:16px;transition:transform .15s ease,background .15s ease;width:56px;z-index:40}.nav-fab:active{transform:scale(.92)}.nav-fab.open{background:var(--c-text-dim)}.nav-sheet-container{inset:0;opacity:0;pointer-events:none;position:fixed;transition:opacity .25s ease;z-index:35}.nav-sheet-container.open{opacity:1;pointer-events:auto}.nav-sheet-backdrop{background:#0006;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);inset:0;position:absolute}.nav-sheet{background:var(--c-surface);border-radius:var(--radius) var(--radius) 0 0;bottom:0;box-shadow:0 -8px 32px #0000002e;display:grid;gap:4px;left:0;max-height:70vh;overflow-y:auto;padding:12px 16px max(16px,env(safe-area-inset-bottom));position:absolute;right:0;transform:translateY(100%);transition:transform .3s cubic-bezier(.32,.72,0,1)}.nav-sheet-container.open .nav-sheet{transform:translateY(0)}.nav-sheet-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:8px;padding-bottom:8px}.nav-sheet-drag{background:var(--c-border);border-radius:999px;height:4px;left:50%;position:absolute;top:8px;transform:translate(-50%);width:40px}.nav-sheet-title{font-size:1.05rem;font-weight:800;letter-spacing:-.02em}.nav-sheet-close{align-items:center;background:var(--c-surface-2);border-radius:10px;color:var(--c-text-dim);display:inline-flex;height:36px;justify-content:center;width:36px}.nav-sheet-close:active{background:var(--c-border)}.nav-sheet-list{display:grid;gap:4px}.nav-sheet-item{align-items:center;border-radius:12px;color:var(--c-text);display:flex;font-size:.95rem;font-weight:700;gap:14px;min-height:52px;padding:10px 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p{color:var(--c-text-dim);margin-top:8px}.state-action{margin-top:16px}.stats-grid{display:grid;gap:14px;grid-template-columns:1fr}.split-grid{display:grid;gap:16px;grid-template-columns:1fr}.form-card,.list-card{display:grid;gap:14px}.form-card h2,.list-card h2,.next-card h2{font-size:1.1rem;letter-spacing:-.03em}.field,.field-grid{display:grid;gap:8px}.field-grid{grid-template-columns:1fr}.field span{color:var(--c-text-dim);font-size:.78rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.field input,.field select{background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:10px;color:var(--c-text);min-height:42px;padding:10px 12px;width:100%}.field input[type=color]{padding:4px}.password-input-wrapper{position:relative}.password-input-wrapper 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var(--c-border);border-radius:var(--radius);display:grid;justify-items:center;max-height:340px;overflow:hidden;position:relative}.scan-video{height:100%;inset:0;object-fit:cover;position:absolute;width:100%}.scan-empty{align-items:center;background:#ffffffd1;border-radius:999px;color:var(--c-text-dim);display:inline-flex;font-size:2rem;font-weight:900;height:92px;justify-content:center;letter-spacing:-.08em;position:relative;width:92px;z-index:1}.scan-actions{display:grid}.scan-overlay{align-items:center;display:flex;height:100%;justify-content:center;left:0;pointer-events:none;position:absolute;top:0;width:100%;z-index:2}.scan-overlay-frame{height:65%;position:relative;width:65%}.scan-overlay-corner{border-color:var(--c-accent);border-style:solid;border-width:0;height:24px;position:absolute;width:24px}.scan-overlay-corner--tl{border-left-width:3px;border-top-width:3px;border-top-left-radius:6px;left:0;top:0}.scan-overlay-corner--tr{border-right-width:3px;border-top-width:3px;border-top-right-radius:6px;right:0;top:0}.scan-overlay-corner--bl{border-bottom-width:3px;border-left-width:3px;border-bottom-left-radius:6px;bottom:0;left:0}.scan-overlay-corner--br{border-bottom-width:3px;border-right-width:3px;border-bottom-right-radius:6px;bottom:0;right:0}.scan-line{animation:scanSweep 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rgba(0,0,0,.25);border-radius:3px;display:inline-block;height:18px;position:relative;width:72px}.belt-bar:after{background:#111;border-radius:2px;content:"";height:14px;position:absolute;right:6px;top:1px;width:8px}.belt-branca{background:linear-gradient(to right,#f8f8f8 70%,#111 70%)}.belt-azul{background:#0033a0}.belt-roxa{background:#6a0dad}.belt-marrom{background:#6b3e1b}.belt-preta{background:#111}.belt-cinza{background:gray}.belt-amarela{background:gold}.belt-laranja{background:#ff8c00}.belt-verde{background:green}.progress-track span.belt-verde{background:green}.quick-actions-card{display:grid;gap:12px}.quick-actions-card .last-checkin{color:var(--c-text-dim);font-size:.88rem;margin:0}.brand-preview-card{margin-top:0}.brand-preview-card h2{font-size:1.1rem;letter-spacing:-.03em;margin-bottom:4px}.brand-preview{align-items:center;display:flex;gap:16px}.brand-preview .color-swatch{border:1px solid var(--c-border);border-radius:10px;flex-shrink:0;height:56px;width:56px}.brand-preview p{margin-top:0}.brand-preview .btn{margin-top:8px}.field-hint{color:var(--c-text-dim);font-size:.78rem;margin-top:2px}@media(max-width:680px){.page-header{display:block}.page-action{margin-top:14px}}@media(min-width:760px){.stats-grid,.field-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:980px){.app-shell{padding-bottom:0}.shell-body{align-items:stretch}.sidebar{display:flex}.sidebar .nav-item{justify-content:flex-start}.bottom-nav:not(.always){display:none}.nav-fab,.nav-sheet-container{display:none}.content{padding:32px 32px 80px}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.stats-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.split-grid,.qr-session-grid{align-items:start;grid-template-columns:minmax(320px,420px) minmax(0,1fr)}}.graduation-student-view .progress-card,.graduation-student-view .belt-path-card{margin-top:16px}.progress-track{background:#e5e5e5;border-radius:6px;height:12px;margin:12px 0 8px;overflow:hidden;position:relative}.progress-track .belt-fill{border-radius:6px;height:100%;transition:width .3s ease}.progress-track span.belt-branca{background:linear-gradient(to right,#f8f8f8 70%,#111 70%)}.progress-track span.belt-azul{background:#0033a0}.progress-track span.belt-roxa{background:#6a0dad}.progress-track span.belt-marrom{background:#6b3e1b}.progress-track span.belt-preta{background:#111}.progress-track span.belt-cinza{background:gray}.progress-track span.belt-amarela{background:gold}.progress-track span.belt-laranja{background:#ff8c00}.progress-track span.belt-verde{background:#228b22}.progress-detail{color:#555;font-size:.875rem;margin:0}.belt-path{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}.belt-path-item{align-items:center;display:flex;flex-direction:column;gap:4px}.belt-dot{border:2px solid #ccc;border-radius:50%;display:inline-block;height:20px;width:20px}.belt-dot.belt-branca{background:#f8f8f8;border-color:#999}.belt-dot.belt-azul{background:#0033a0;border-color:#0033a0}.belt-dot.belt-roxa{background:#6a0dad;border-color:#6a0dad}.belt-dot.belt-marrom{background:#6b3e1b;border-color:#6b3e1b}.belt-dot.belt-preta{background:#111;border-color:#111}.belt-dot.belt-cinza{background:gray;border-color:gray}.belt-dot.belt-amarela{background:gold;border-color:gold}.belt-dot.belt-laranja{background:#ff8c00;border-color:#ff8c00}.belt-dot.belt-verde{background:#228b22;border-color:#228b22}.belt-path-item.current .belt-dot{box-shadow:0 0 0 3px #0003;transform:scale(1.2)}.belt-path-item.past .belt-dot{opacity:.6}.belt-label{font-size:.75rem;text-align:center}.graduation-admin-view .graduation-filters{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}.graduation-admin-view .graduation-filters input,.graduation-admin-view .graduation-filters select{border:1px solid 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8px}.modal-backdrop{align-items:center;background:#00000080;display:flex;justify-content:center;inset:0;padding:16px;position:fixed;z-index:1000}.modal-content{background:#fff;border-radius:12px;max-height:90vh;max-width:480px;overflow-y:auto;width:100%}.modal-header{align-items:center;border-bottom:1px solid #eee;display:flex;justify-content:space-between;padding:16px}.modal-header h2{font-size:1.1rem;margin:0}.modal-close{background:none;border:none;cursor:pointer;font-size:1.5rem;padding:0 4px}.modal-body{padding:16px}.modal-footer{border-top:1px solid #eee;display:flex;gap:10px;justify-content:flex-end;padding:16px}.promotion-summary{background:#f8f9fa;border-radius:6px;margin:0 0 16px;padding:12px;text-align:center}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:.875rem;font-weight:500;margin-bottom:6px}.form-group input,.form-group select,.form-group textarea{border:1px solid #e0e0e0;border-radius:6px;font-size:.9rem;padding:8px 12px;width:100%}.form-group textarea{resize:vertical}.form-error{color:#dc3545;font-size:.85rem;margin:8px 0 0}@media(min-width:760px){.graduation-admin-view .graduation-filters{flex-direction:row}.graduation-admin-view .graduation-filters input{flex:1}.graduation-admin-view .graduation-filters select{width:auto}.graduation-student-card{grid-template-columns:1fr auto auto}.student-info{grid-column:auto}}.install-prompt,.update-prompt{background:var(--c-surface);border-top:1px solid var(--c-border);box-shadow:0 -4px 16px #0000001a;left:0;padding:12px 16px max(12px,env(safe-area-inset-bottom));position:fixed;right:0;z-index:50}.update-prompt{border-bottom:1px solid var(--c-border);border-top:none;box-shadow:0 4px 16px #0000001a;padding-top:max(12px,env(safe-area-inset-top));top:0}.install-prompt-content,.update-prompt-content{align-items:center;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;margin:0 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10px}.badge-success{background:#10b9811f;color:var(--c-success)}.badge-warn{background:#f59e0b24;color:#b45309}.badge-danger{background:#ef44441f;color:var(--c-danger)}.badge-info{background:#3b82f61f;color:var(--c-info)}.badge-neutral{background:var(--c-bg);color:var(--c-text-dim)}.badge-primary{background:var(--c-primary);color:var(--c-primary-contrast)}.student-list-card{margin-top:20px;padding:0;overflow:hidden}.student-list-container{padding:20px}.student-toolbar{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.toolbar-search{display:flex;align-items:center;gap:12px}.toolbar-search input{background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:10px;color:var(--c-text);flex:1;min-height:42px;padding:10px 14px;width:100%}.toolbar-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px #0000000f;outline:none}.search-count{color:var(--c-text-dim);font-size:.85rem;font-weight:600;white-space:nowrap}.toolbar-filters{display:flex;gap:10px;flex-wrap:wrap}.toolbar-filters select{background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:10px;color:var(--c-text);min-height:40px;padding:8px 12px;font-size:.9rem}.student-sort-bar{display:flex;gap:4px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--c-border);overflow-x:auto}.student-sort-bar button{align-items:center;background:transparent;border:1px solid transparent;border-radius:8px;color:var(--c-text-dim);display:inline-flex;font-size:.85rem;font-weight:600;gap:4px;padding:6px 12px;transition:all .15s;white-space:nowrap}.student-sort-bar button:hover{background:var(--c-bg)}.student-sort-bar button.active{background:var(--c-primary);color:var(--c-primary-contrast)}.sort-icon{font-size:.75rem;opacity:.5}.sort-icon.active{opacity:1}.student-cards{display:flex;flex-direction:column;gap:12px}.student-card{background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:14px;padding:16px;transition:border-color .15s,box-shadow .15s}.student-card:hover{border-color:var(--c-primary);box-shadow:var(--shadow)}.student-card-main{display:flex;gap:14px}.student-avatar{align-items:center;background:var(--c-primary);border-radius:50%;color:var(--c-primary-contrast);display:inline-flex;flex-shrink:0;font-size:.9rem;font-weight:800;height:44px;justify-content:center;width:44px}.student-info{flex:1;min-width:0}.student-name-row{align-items:center;display:flex;gap:10px;flex-wrap:wrap}.student-name{font-size:1.05rem;letter-spacing:-.02em}.status-badge{border-radius:999px;font-size:.7rem;font-weight:700;letter-spacing:.03em;padding:2px 10px;text-transform:uppercase}.status-badge.active{background:#10b9811f;color:var(--c-success)}.status-badge.inactive{background:var(--c-bg);color:var(--c-text-dim)}.student-belt-row{align-items:center;display:flex;gap:10px;margin-top:6px}.belt-text{color:var(--c-text-dim);font-size:.85rem;font-weight:600}.student-meta-row{align-items:center;display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.student-meta-row span{color:var(--c-text-dim);font-size:.82rem}.student-email{max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.payment-badge{border-radius:999px;font-size:.7rem;font-weight:700;letter-spacing:.02em;padding:2px 10px}.payment-badge.success{background:#10b9811f;color:var(--c-success)}.payment-badge.warn{background:#f59e0b24;color:#b45309}.payment-badge.danger{background:#ef44441f;color:var(--c-danger)}.payment-badge.neutral{background:var(--c-bg);color:var(--c-text-dim)}.student-card-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:12px;padding-top:12px;border-top:1px solid var(--c-border)}.confirm-actions{align-items:center;display:flex;gap:8px}.confirm-text{color:var(--c-text-dim);font-size:.85rem;font-weight:600;margin-right:4px}.modal-backdrop{align-items:center;background:#0000008c;display:flex;justify-content:center;inset:0;padding:16px;position:fixed;z-index:1000;animation:fadeIn .2s}.modal-content{background:var(--c-surface);border-radius:var(--radius);box-shadow:0 12px 40px #00000024;max-height:90vh;max-width:560px;overflow-y:auto;width:100%;animation:slideUp .25s}.modal-header{align-items:center;border-bottom:1px solid var(--c-border);display:flex;justify-content:space-between;padding:20px 24px}.modal-header h2{font-size:1.2rem;letter-spacing:-.03em;margin:0}.modal-close{align-items:center;background:var(--c-surface-2);border:none;border-radius:10px;color:var(--c-text-dim);cursor:pointer;display:inline-flex;font-size:1.5rem;height:36px;justify-content:center;line-height:1;padding:0;transition:background .15s;width:36px}.modal-close:hover{background:var(--c-border);color:var(--c-text)}.modal-body{padding:20px 24px}.modal-footer{border-top:1px solid var(--c-border);display:flex;gap:10px;justify-content:flex-end;padding:16px 24px}.form-row{display:grid;gap:14px;grid-template-columns:1fr}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(min-width:600px){.student-toolbar{flex-direction:row;align-items:center}.toolbar-search{flex:1}.form-row{grid-template-columns:1fr 1fr}}@media(max-width:680px){.student-list-container{padding:14px}.student-card{padding:12px}.student-avatar{height:38px;width:38px;font-size:.8rem}.student-name{font-size:.95rem}.modal-content{max-height:100vh;border-radius:var(--radius) var(--radius) 0 0;position:fixed;bottom:0;left:0;right:0;max-width:100%;animation:slideUp .3s}.modal-backdrop{align-items:flex-end;padding:0}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.loading-spinner{width:48px;height:48px;border:3px solid var(--c-border);border-top-color:var(--c-accent);border-radius:50%;animation:spin .8s linear infinite}.loading-spinner-sm{width:32px;height:32px;border:2.5px solid var(--c-border);border-top-color:var(--c-accent);border-radius:50%;animation:spin .8s linear infinite}.loading-modal{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 32px;gap:16px;min-width:280px}.loading-modal h2{font-size:1.15rem;font-weight:600;letter-spacing:-.02em;margin:0;color:var(--c-text)}.loading-modal p{color:var(--c-text-dim);font-size:.92rem;margin:0;animation:pulse 2s ease-in-out infinite}.state-view-loading{display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;padding:32px 24px}.state-view-loading .loading-spinner{margin-bottom:4px}.brand-mark-img{width:32px;height:32px;border-radius:8px;object-fit:contain}.opening-hours-editor{display:flex;flex-direction:column;gap:16px;padding:16px 0}.opening-hours-editor h3{font-size:16px;font-weight:600;margin:0}.day-schedule{border:1px solid var(--c-border);border-radius:var(--radius-sm);padding:12px}.day-schedule-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.day-schedule-header strong{font-size:14px;font-weight:600}.day-schedule-empty{font-size:13px;color:var(--c-text-dim);margin:0;padding:8px 0}.day-schedule-periods{display:flex;flex-direction:column;gap:8px}.period-row{display:flex;align-items:center;gap:8px}.period-row .field-inline{display:flex;align-items:center;gap:4px}.period-row .field-inline span{font-size:12px;color:var(--c-text-dim)}.period-row input[type=time]{width:100px;padding:4px 8px;border:1px solid var(--c-border);border-radius:6px;font-size:13px}.period-separator{color:var(--c-text-dim);font-size:13px}.btn-sm{padding:4px 10px;font-size:12px;border-radius:6px;background:var(--c-accent);color:#fff;border:0;cursor:pointer}.btn-remove{padding:4px 8px;font-size:11px;border-radius:6px;background:var(--c-surface-2);color:var(--c-danger);border:1px solid var(--c-border);cursor:pointer;margin-left:auto}.schedule-card h2{font-size:16px;font-weight:600;margin:0 0 12px}.schedule-period{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--c-border)}.schedule-period:last-child{border-bottom:none}.schedule-period.current{background:#d4af371a;border-radius:8px;padding:8px 12px;margin:0 -12px}.schedule-time{font-size:15px;font-weight:500}.schedule-badge{font-size:11px;padding:2px 8px;border-radius:12px;background:var(--c-accent);color:#fff;font-weight:600}.schedule-next{margin-top:8px;font-size:13px;color:var(--c-text-dim)}.schedule-link{display:inline-block;margin-top:12px;font-size:13px;color:var(--c-accent);text-decoration:underline}.schedule-week-grid{display:grid;gap:12px;margin-top:16px}.schedule-day-card{padding:16px}.schedule-day-card.today{border-left:3px solid var(--c-accent)}.schedule-day-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.schedule-day-header strong{font-size:15px;font-weight:600}.schedule-today-badge{font-size:11px;padding:2px 8px;border-radius:12px;background:var(--c-accent);color:#fff;font-weight:600}.schedule-day-empty{font-size:13px;color:var(--c-text-dim);margin:0}.schedule-day-periods{display:flex;flex-direction:column;gap:6px}.schedule-day-period{font-size:14px;padding:6px 10px;background:var(--c-surface-2);border-radius:8px}.back-link{display:inline-block;margin-bottom:16px;font-size:14px;color:var(--c-accent)}