:root{--bg: #faf7f2;--bg-sunken: #f1ece3;--surface: #ffffff;--surface-2: #f6f1e8;--border: #e5dccb;--border-strong: #c9bda6;--text: #2b1d12;--text-2: #57442f;--text-3: #7a6448;--text-muted: #a08868;--accent: #d97757;--accent-hover: #c15f3c;--accent-dark: #a04823;--accent-soft: #fbe9dc;--accent-border: #f0c8a8;--success: #8a6f1f;--success-soft: #f5ecc9;--warning: #b35a1c;--warning-soft: #fae0c4;--danger: #b13a2e;--danger-soft: #f7d7cf;--info: #6b4b9a;--info-soft: #ecdff7;--r-teacher-bg: #f7d8c4;--r-teacher-fg: #b85a31;--r-orgadmin-bg: #ecdff7;--r-orgadmin-fg: #6b4b9a;--r-assistant-bg: #e1e8c8;--r-assistant-fg: #6b7d2e;--r-student-bg: #e8dfcf;--r-student-fg: #6b5230;--r-superadmin-bg: #f7d7cf;--r-superadmin-fg: #b13a2e;--hm-0: #f1ece3;--hm-1: #f5d4bb;--hm-2: #ecaa84;--hm-3: #d97757;--hm-4: #9c4d2f;--q-again: #b13a2e;--q-hard: #d97757;--q-good: #8a8a3a;--q-easy: #6b4b9a;--tier-basic-bg: #e8dfcf;--tier-basic-fg: #6b5230;--tier-advanced-bg: #fae0c4;--tier-advanced-fg: #b35a1c;--tier-pro-bg: #ecdff7;--tier-pro-fg: #6b4b9a;--s-1: 4px;--s-2: 8px;--s-3: 12px;--s-4: 16px;--s-5: 20px;--s-6: 24px;--s-8: 32px;--s-10: 40px;--s-12: 48px;--s-16: 64px;--r-sm: 0px;--r-md: 2px;--r-lg: 2px;--r-xl: 4px;--shadow-sm: 2px 2px 0 rgba(43, 29, 18, .08);--shadow-md: 3px 3px 0 rgba(43, 29, 18, .12);--shadow-lg: 4px 4px 0 rgba(43, 29, 18, .16);--shadow-overlay: 6px 6px 0 rgba(43, 29, 18, .28);--shadow-inset: inset -2px -2px 0 rgba(43, 29, 18, .06);--font-sans: "Handjet", "Pixelify Sans", monospace;--font-pixel: "Silkscreen", "Handjet", monospace;--font-mono: "VT323", "Courier New", monospace;--sidebar-w: 260px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.5;font-weight:500;-webkit-font-smoothing:none;font-smooth:never;text-rendering:geometricPrecision;font-variation-settings:"ELGR" 1,"ELSH" 0,"ELXP" 0}h1,h2,h3,.page-title,.kpi-value,.auth-title,.modal-title,.card-title{font-variation-settings:"ELGR" 1,"ELSH" 0,"ELXP" -30;letter-spacing:.02em}body{background-image:radial-gradient(circle at 1px 1px,rgba(43,29,18,.04) 1px,transparent 0);background-size:4px 4px}#root{min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer;border:0;background:transparent;color:inherit;padding:0}input,select,textarea{font-family:inherit;font-size:14px;color:var(--text)}h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0}h1{font-size:28px;letter-spacing:0}h2{font-size:20px}h3{font-size:16px}p{margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:38px;padding:0 16px;border-radius:var(--r-md);font-size:14px;font-weight:600;white-space:nowrap;transition:transform 80ms,box-shadow 80ms,background 80ms,color 80ms;border:2px solid var(--text);-webkit-user-select:none;user-select:none;box-shadow:2px 2px 0 var(--text);font-family:var(--font-sans)}.btn:hover{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--text)}.btn:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--text)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.btn-primary{background:var(--accent);color:#fff;border-color:var(--text)}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--surface);border-color:var(--text);color:var(--text)}.btn-secondary:hover{background:var(--surface-2)}.btn-ghost{background:transparent;border-color:transparent;box-shadow:none;color:var(--text-2)}.btn-ghost:hover{background:var(--surface-2);color:var(--text);transform:none;box-shadow:none}.btn-danger{background:var(--danger);color:#fff;border-color:var(--text)}.btn-danger:hover{background:#8a2d24}.btn-danger-soft{background:var(--danger-soft);color:var(--danger);border-color:var(--danger);box-shadow:2px 2px 0 var(--danger)}.btn-danger-soft:hover{background:#f0c5bc;box-shadow:1px 1px 0 var(--danger)}.btn-sm{height:30px;padding:0 10px;font-size:12px;box-shadow:1px 1px 0 var(--text)}.btn-sm:hover{box-shadow:0 0 0 var(--text);transform:translate(1px,1px)}.btn-lg{height:46px;padding:0 22px;font-size:15px;box-shadow:3px 3px 0 var(--text)}.btn-lg:hover{box-shadow:2px 2px 0 var(--text)}.btn-lg:active{box-shadow:0 0 0 var(--text);transform:translate(3px,3px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:disabled:hover{transform:none;box-shadow:2px 2px 0 var(--text)}.btn-icon{width:52px;height:auto;min-height:42px;padding:4px;border-radius:var(--r-md);color:var(--text-2);border:1.5px solid transparent;background:transparent;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;transition:background 80ms,border-color 80ms}.btn-icon:hover{background:var(--surface-2);border-color:var(--text);color:var(--text)}.btn-icon:disabled{opacity:.5;cursor:not-allowed}.btn-icon:disabled:hover{background:transparent;border-color:transparent;color:var(--text-2)}.btn-icon-label{font-size:9px;line-height:1.15;text-align:center;font-weight:500;word-break:break-word;max-width:100%}.btn-icon-close{width:30px;height:30px;padding:0;border-radius:var(--r-md);color:var(--text-2);border:1.5px solid transparent;background:transparent;display:inline-flex;align-items:center;justify-content:center;transition:background 80ms,border-color 80ms}.btn-icon-close:hover{background:var(--surface-2);border-color:var(--text);color:var(--text)}.input,.select,.textarea{width:100%;height:38px;padding:0 12px;background:var(--surface);border:2px solid var(--text);border-radius:var(--r-md);font-size:14px;font-family:var(--font-sans);font-weight:500;transition:box-shadow 80ms;box-shadow:inset 2px 2px #2b1d120f}.textarea{height:auto;padding:10px 12px;resize:vertical;min-height:80px}.input:focus,.select:focus,.textarea:focus{outline:none;box-shadow:inset 2px 2px #2b1d120f,0 0 0 3px var(--accent-soft);border-color:var(--accent)}.input::placeholder{color:var(--text-muted)}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:13px;font-weight:600;color:var(--text);letter-spacing:0}.field-hint{font-size:12px;color:var(--text-3)}.field-error{font-size:12px;color:var(--danger)}.badge{display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 8px;font-size:11px;font-weight:700;letter-spacing:.04em;border-radius:0;background:var(--surface-2);color:var(--text-2);text-transform:uppercase;border:1.5px solid currentColor;font-family:var(--font-sans);white-space:nowrap}.badge-dot{width:6px;height:6px;border-radius:1px;background:currentColor;display:inline-block}.badge-teacher{background:var(--r-teacher-bg);color:var(--r-teacher-fg)}.badge-orgadmin{background:var(--r-orgadmin-bg);color:var(--r-orgadmin-fg)}.badge-assistant{background:var(--r-assistant-bg);color:var(--r-assistant-fg)}.badge-student{background:var(--r-student-bg);color:var(--r-student-fg)}.badge-superadmin{background:var(--r-superadmin-bg);color:var(--r-superadmin-fg)}.badge-tier-basic{background:var(--tier-basic-bg);color:var(--tier-basic-fg)}.badge-tier-advanced{background:var(--tier-advanced-bg);color:var(--tier-advanced-fg)}.badge-tier-pro{background:var(--tier-pro-bg);color:var(--tier-pro-fg)}.badge-success{background:var(--success-soft);color:var(--success)}.badge-warning{background:var(--warning-soft);color:var(--warning)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-info{background:var(--info-soft);color:var(--info)}.badge-neutral{background:var(--surface-2);color:var(--text-2);border:1px solid var(--border)}.card{background:var(--surface);border:2px solid var(--text);border-radius:var(--r-lg);box-shadow:3px 3px 0 var(--text)}.card-header{padding:14px 18px;border-bottom:2px solid var(--text);display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface-2)}.card-body{padding:18px}.card-title{font-size:15px;font-weight:700;color:var(--text)}.card-subtitle{font-size:12px;color:var(--text-3);margin-top:2px;font-weight:500}.tbl{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}.tbl thead th{text-align:left;font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-2);padding:10px 16px;border-bottom:2px solid var(--text);background:var(--surface-2)}.tbl tbody td{padding:12px 16px;border-bottom:1.5px dashed var(--border-strong);color:var(--text);vertical-align:middle}.tbl tbody tr:last-child td{border-bottom:0}.tbl tbody tr:hover{background:var(--surface-2)}.tbl td-num{font-variant-numeric:tabular-nums}.tbl-row-actions{display:flex;gap:4px;justify-content:flex-end}.tbl-wrap{background:var(--surface);border:2px solid var(--text);border-radius:var(--r-lg);overflow-x:auto;overflow-y:hidden;box-shadow:3px 3px 0 var(--text);position:relative}.tbl-wrap:after{content:"";position:absolute;top:0;right:0;bottom:0;width:24px;pointer-events:none;background:linear-gradient(to right,transparent,rgba(43,29,18,.08))}.kpi{background:var(--surface);border:2px solid var(--text);border-radius:var(--r-lg);padding:14px 16px;display:flex;flex-direction:column;gap:4px;min-height:96px;box-shadow:3px 3px 0 var(--text);position:relative}.kpi-label{font-size:11px;font-weight:700;color:var(--text-2);text-transform:uppercase;letter-spacing:.06em;display:flex;align-items:center;gap:6px}.kpi-value{font-size:36px;font-weight:400;letter-spacing:0;color:var(--text);font-family:var(--font-mono);line-height:1;margin-top:2px}.kpi-meta{font-size:12px;color:var(--text-3);font-weight:500}.kpi-meta-up{color:var(--success)}.kpi-meta-down{color:var(--danger)}.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:2px solid var(--text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow:hidden}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;border-bottom:2px solid var(--text);background:var(--accent-soft)}.sidebar-brand-text{font-weight:700;font-size:17px;letter-spacing:0;color:var(--text)}.sidebar-brand-sub{font-size:9px;text-transform:uppercase;letter-spacing:.16em;color:var(--accent-dark);margin-top:1px;font-family:var(--font-pixel);font-weight:700}.sidebar-nav{flex:1;padding:12px 10px;overflow-y:auto}.sidebar-section{font-size:10px;text-transform:uppercase;letter-spacing:.16em;color:var(--text-3);padding:16px 10px 6px;font-weight:700;font-family:var(--font-pixel)}.nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-md);color:var(--text-2);font-size:14px;font-weight:600;width:100%;text-align:left;margin-bottom:2px;border:2px solid transparent;transition:background 80ms,border-color 80ms;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-item:hover{background:var(--surface-2);color:var(--text)}.nav-item.active{background:var(--accent);color:#fff;border-color:var(--text);box-shadow:2px 2px 0 var(--text)}.nav-item.active .nav-icon{color:#fff}.nav-icon{width:18px;height:18px;flex-shrink:0;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center}.nav-badge{margin-left:auto;background:var(--text);color:#fff;font-size:10px;font-weight:700;padding:1px 6px;border-radius:0;min-width:18px;text-align:center;font-family:var(--font-pixel)}.nav-item.active .nav-badge{background:#fff;color:var(--accent)}.sidebar-user{border-top:2px solid var(--text);padding:12px;display:flex;flex-direction:column;gap:10px;background:var(--surface-2)}.user-row{display:flex;align-items:center;gap:10px}.user-avatar{width:32px;height:32px;background:var(--accent);border:2px solid var(--text);border-radius:0;display:flex;align-items:center;justify-content:center;flex-shrink:0}.user-info{flex:1;min-width:0}.user-email{font-size:13px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-role{font-size:11px;color:var(--text-3)}.mobile-topbar{display:none;align-items:center;gap:12px;height:52px;padding:0 14px;background:var(--surface);border-bottom:2px solid var(--text);position:sticky;top:0;z-index:30}.mobile-topbar-brand{display:flex;align-items:center;gap:8px}.mobile-topbar-title{font-weight:700;font-size:15px;color:var(--text)}.sidebar-scrim{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#2b1d1273;z-index:40}.sidebar-close{display:none;margin-left:auto}.main{display:flex;flex-direction:column;min-width:0}.topbar{height:56px;background:var(--surface);border-bottom:2px solid var(--text);display:flex;align-items:center;padding:0 24px;gap:12px;position:sticky;top:0;z-index:20}.topbar-title{font-size:14px;font-weight:700;color:var(--text)}.topbar-crumb{font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:8px;font-weight:600}.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:8px;flex-shrink:0}.topbar-actions .chip{white-space:nowrap}.page{padding:28px 32px 80px;max-width:1320px}.page-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:32px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px}.page-title{font-size:30px;font-weight:700;letter-spacing:0;line-height:1.15}.page-sub{color:var(--text-3);font-size:14px;margin-top:6px;font-weight:500}.impersonate-banner{background:var(--warning-soft);border-bottom:2px solid var(--text);color:var(--warning);padding:10px 24px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:10px}.impersonate-banner strong{font-weight:700;color:var(--text)}.row{display:flex;gap:var(--s-3);align-items:center}.row-between{display:flex;align-items:center;justify-content:space-between;gap:var(--s-3)}.col{display:flex;flex-direction:column;gap:var(--s-3)}.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.gap-6{gap:24px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.grid-kpi{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.text-muted{color:var(--text-3)}.text-num{font-variant-numeric:tabular-nums}.text-mono{font-family:var(--font-mono)}.text-pixel{font-family:var(--font-pixel)}.text-xs{font-size:11px}.text-sm{font-size:12px}.segment{display:inline-flex;background:var(--surface);border:2px solid var(--text);border-radius:var(--r-md);padding:2px;gap:2px;box-shadow:2px 2px 0 var(--text)}.segment-btn{padding:6px 14px;font-size:13px;font-weight:600;color:var(--text-2);border-radius:0;white-space:nowrap;font-family:var(--font-sans)}.segment-btn:hover{color:var(--text);background:var(--surface-2)}.segment-btn.active{background:var(--accent);color:#fff}.tabs{display:flex;border-bottom:2px solid var(--text);gap:0}.tab{padding:10px 16px;font-size:14px;font-weight:600;color:var(--text-2);border-bottom:3px solid transparent;margin-bottom:-2px;display:flex;align-items:center;gap:8px;font-family:var(--font-sans)}.tab:hover{color:var(--text);background:var(--surface-2)}.tab.active{color:var(--text);border-bottom-color:var(--accent);background:var(--accent-soft)}.heatmap{display:flex;gap:2px;align-items:flex-start}.heatmap-week{display:flex;flex-direction:column;gap:2px}.heatmap-cell{width:14px;height:14px;background:var(--hm-0);border-radius:0;border:1px solid var(--border)}.heatmap-cell[data-l="0"]{background:var(--hm-0)}.heatmap-cell[data-l="1"]{background:var(--hm-1);border-color:#e8c4a8}.heatmap-cell[data-l="2"]{background:var(--hm-2);border-color:#cf9468}.heatmap-cell[data-l="3"]{background:var(--hm-3);border-color:var(--accent-hover)}.heatmap-cell[data-l="4"]{background:var(--hm-4);border-color:var(--text)}.heatmap-cell.today{box-shadow:0 0 0 2px var(--text);position:relative;z-index:1}.heatmap-legend{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-3);font-weight:600}.heatmap-legend .heatmap-cell{width:12px;height:12px}.heatmap-cell-btn{cursor:pointer;padding:0}.heatmap-cell-btn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.heatmap-summary{font-size:13px;color:var(--text-2);line-height:1.5}.heatmap-summary-detail{margin-top:4px;font-weight:600;color:var(--text)}.streak-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}.streak-box{border:2px solid var(--text);border-radius:var(--r-lg);padding:12px 14px;box-shadow:2px 2px 0 var(--text);background:var(--accent-soft);color:var(--text)}.streak-box-accent{background:var(--accent);color:#fff}.streak-label{font-size:10px;text-transform:uppercase;letter-spacing:.08em;font-weight:700;opacity:.85}.streak-value{font-size:28px;font-weight:700;font-family:var(--font-mono);margin-top:2px;line-height:1}.streak-note{font-size:11px;margin-top:6px;opacity:.9}.trend-chart-wrap{border:2px solid var(--text);border-radius:var(--r-lg);padding:12px;background:var(--surface-2)}.trend-chart-wrap svg{display:block;width:100%;height:120px}.trend-chart-caption{font-size:12px;color:var(--text-2);margin-top:8px}.bars{display:flex;align-items:flex-end;gap:6px;height:140px}.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0}.bar-col-btn{background:none;border:0;padding:0;font:inherit;color:inherit;cursor:pointer}.bar-col-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.bar{width:100%;background:var(--accent-soft);border:2px solid var(--text);border-bottom:0;border-radius:0;position:relative;min-height:4px}.bar.today{background:var(--accent)}.bar-label{font-size:11px;color:var(--text-3);text-align:center;font-family:var(--font-mono);font-weight:500}.bar-value{font-size:13px;color:var(--text);font-weight:500;font-family:var(--font-mono)}.quality{display:flex;flex-direction:column;gap:12px}.quality-row{display:grid;grid-template-columns:80px 1fr 90px;align-items:center;gap:12px;font-size:13px;font-weight:600}.quality-track{height:14px;background:var(--bg-sunken);border:2px solid var(--text);border-radius:0;overflow:hidden}.quality-bar{height:100%}.quality-bar.again{background:var(--q-again)}.quality-bar.hard{background:var(--q-hard)}.quality-bar.good{background:var(--q-good)}.quality-bar.easy{background:var(--q-easy)}.progress{height:10px;background:var(--surface);border:2px solid var(--text);border-radius:0;overflow:hidden}.progress-fill{height:100%;background:var(--accent)}.progress-fill.warn{background:var(--warning)}.progress-fill.danger{background:var(--danger)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#2b1d128c;display:flex;align-items:center;justify-content:center;z-index:100;padding:24px;animation:fade .12s ease-out}@keyframes fade{0%{opacity:0}to{opacity:1}}.modal{background:var(--surface);border:2px solid var(--text);border-radius:var(--r-xl);box-shadow:6px 6px 0 var(--text);width:100%;max-width:520px;max-height:92vh;display:flex;flex-direction:column;overflow:hidden;animation:pop .14s ease-out}.modal-lg{max-width:720px}.modal-xl{max-width:900px}@keyframes pop{0%{transform:translate(4px,4px);box-shadow:2px 2px 0 var(--text);opacity:0}to{transform:translate(0);box-shadow:6px 6px 0 var(--text);opacity:1}}.modal-header{padding:14px 18px;border-bottom:2px solid var(--text);display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--accent-soft)}.modal-title{font-size:16px;font-weight:700}.modal-body{padding:20px;overflow-y:auto;flex:1}.modal-footer{padding:14px 18px;border-top:2px solid var(--text);display:flex;justify-content:flex-end;gap:8px;background:var(--surface-2)}.toast-stack{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:200}.toast{background:var(--text);color:#fff;padding:12px 14px;border:2px solid var(--text);border-radius:var(--r-md);box-shadow:3px 3px 0 var(--text);display:flex;align-items:flex-start;gap:10px;font-size:14px;font-weight:500;min-width:280px;max-width:380px;animation:slide-in .18s ease-out}@keyframes slide-in{0%{transform:translate(20px);opacity:0}to{transform:translate(0);opacity:1}}.toast-success{background:#6b5b1a}.toast-success .toast-icon{color:#f5d76e}.toast-error{background:#7d2820}.toast-error .toast-icon{color:#f7a89f}.toast-info{background:var(--accent-dark)}.toast-info .toast-icon{color:var(--accent-soft)}.toast-icon{flex-shrink:0;margin-top:1px}.toast-body{flex:1;line-height:1.4}.toast-close{color:#fff9;flex-shrink:0}.toast-close:hover{color:#fff}.pixel{image-rendering:pixelated;image-rendering:crisp-edges}.pixel-frame{background:linear-gradient(180deg,#fafbfc,#f1f5f9);border:1px solid var(--border);border-radius:var(--r-md);padding:12px;display:flex;align-items:center;justify-content:center}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;gap:16px;text-align:center}.empty-title{font-size:15px;font-weight:600;color:var(--text)}.empty-sub{font-size:13px;color:var(--text-3);max-width:360px;line-height:1.5}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:24px;position:relative;overflow:hidden}.auth-shell:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle at 1px 1px,rgba(43,29,18,.08) 1.5px,transparent 0);background-size:20px 20px;pointer-events:none;-webkit-mask-image:radial-gradient(ellipse at center,rgba(0,0,0,.6),transparent 70%);mask-image:radial-gradient(ellipse at center,rgba(0,0,0,.6),transparent 70%)}.auth-card{width:100%;max-width:440px;background:var(--surface);border:2px solid var(--text);border-radius:var(--r-xl);padding:32px;box-shadow:6px 6px 0 var(--text);position:relative}.auth-brand{display:flex;flex-direction:column;align-items:center;gap:14px;margin-bottom:24px}.auth-title{font-size:24px;font-weight:700;text-align:center;letter-spacing:0;line-height:1.15}.auth-sub{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;font-weight:500;line-height:1.4}.auth-tabs{display:flex;background:var(--surface-2);border:2px solid var(--text);border-radius:var(--r-md);padding:3px;margin-bottom:18px;box-shadow:2px 2px 0 var(--text)}.auth-tab{flex:1;padding:8px;font-size:13px;font-weight:600;text-align:center;border-radius:0;color:var(--text-2)}.auth-tab.active{background:var(--accent);color:#fff}.device-preview{background:#1c1917;border:2px solid var(--text);border-radius:4px;padding:12px;width:220px;box-shadow:3px 3px 0 var(--text)}.device-screen{background:#e7e5e4;border-radius:0;padding:16px 14px;min-height:120px;color:#1c1917;font-family:var(--font-mono);font-size:15px;line-height:1.4;font-weight:500;background-image:radial-gradient(rgba(0,0,0,.08) 1px,transparent 1px);background-size:3px 3px}.device-meta{margin-top:8px;display:flex;justify-content:space-between;font-size:10px;color:#a8a29e;text-transform:uppercase;letter-spacing:.12em;font-family:var(--font-pixel);font-weight:700}.role-switcher{display:flex;gap:0;background:var(--surface);border:2px solid var(--text);border-radius:var(--r-md);padding:2px;box-shadow:2px 2px 0 var(--text)}.role-switcher button{padding:5px 10px;font-size:12px;font-weight:600;color:var(--text-2);border-radius:0;flex:1}.role-switcher button.active{background:var(--accent);color:#fff}.pager{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-top:2px solid var(--text);background:var(--surface-2);font-size:13px;color:var(--text-2);font-weight:500}.pager-controls{display:flex;gap:6px;align-items:center}.hr{border:0;border-top:2px dashed var(--border-strong);margin:16px 0}@media(max-width:880px){.app{grid-template-columns:1fr}.mobile-topbar{display:flex}.sidebar{position:fixed;top:0;left:0;height:100vh;width:min(280px,82vw);z-index:50;transform:translate(-100%);transition:transform .22s ease}.sidebar.sidebar-open{transform:translate(0)}.sidebar-scrim{display:block}.sidebar-close{display:inline-flex}.grid-2,.grid-3{grid-template-columns:1fr}.page{padding:16px}}.skel{background:linear-gradient(90deg,var(--bg-sunken) 25%,#e2e8f0 50%,var(--bg-sunken) 75%);background-size:200% 100%;animation:shimmer 1.4s ease-in-out infinite;border-radius:var(--r-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.link{background:none;border:0;color:var(--accent-dark);font-size:14px;cursor:pointer;font-weight:600;font-family:var(--font-sans);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:2px}.link:hover{color:var(--accent)}.chip{display:inline-flex;align-items:center;gap:4px;font-family:var(--font-mono);font-size:13px;padding:2px 6px;background:var(--surface-2);border:1.5px solid var(--text);border-radius:0;color:var(--text);font-weight:500}.brand-mark{width:28px;height:28px;border-radius:0;background:var(--accent);border:2px solid var(--text);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
