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var(--space-md);border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface-1);color:var(--text-muted);font-size:var(--text-sm);transition:all var(--dur-fast) var(--ease-out-quart)}.subject-chip:hover{border-color:var(--border-strong);color:var(--text)}.subject-chip[aria-pressed=true]{background:var(--primary-soft);border-color:var(--primary);color:var(--primary);font-weight:var(--weight-medium)}.subject-chip:disabled{opacity:.4;cursor:not-allowed}.podium{display:grid;grid-template-columns:repeat(3,1fr);align-items:end;gap:var(--space-xs);margin-block-end:var(--space-xl)}.podium-slot{display:grid;justify-items:center;gap:var(--space-2xs);padding:var(--space-md) var(--space-xs);border-radius:var(--radius-lg);background:var(--surface-1);border:1px solid var(--border);text-align:center}.podium-slot .rank-medal{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;margin-block-end:var(--space-2xs)}.podium-slot .who{font-weight:var(--weight-bold);font-size:var(--text-sm)}.podium-slot .time{font-size:var(--text-xs);color:var(--text-muted);font-variant-numeric:tabular-nums}.podium-slot[data-place="1"]{order:2;padding-block:var(--space-lg) var(--space-md);border-color:var(--gold);background:linear-gradient(to bottom,var(--gold-soft),var(--surface-1) 72%)}.podium-slot[data-place="1"] .rank-medal{background:var(--gold);color:var(--on-gold);width:50px;height:50px}.podium-slot[data-place="1"] .who{font-size:var(--text-base)}.podium-slot[data-place="2"]{order:1;border-color:var(--silver)}.podium-slot[data-place="2"] .rank-medal{background:var(--silver-soft);color:var(--silver)}.podium-slot[data-place="3"]{order:3;border-color:var(--bronze)}.podium-slot[data-place="3"] .rank-medal{background:var(--bronze-soft);color:var(--bronze)}.rank-table{display:grid;gap:2px}.rank-row{display:grid;grid-template-columns:2.5rem 1fr auto;align-items:center;gap:var(--space-md);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);background:var(--surface-1);transition:background-color var(--dur-fast) var(--ease-out-quart)}.rank-row:hover{background:var(--surface-2)}.rank-row[data-me=true]{background:var(--primary-soft);outline:1px solid var(--primary)}.rank-number{font-variant-numeric:tabular-nums;font-weight:var(--weight-bold);color:var(--text-faint)}.rank-row[data-me=true] .rank-number{color:var(--primary)}.rank-person{display:flex;align-items:center;gap:var(--space-xs);min-width:0}.rank-person .name{font-weight:var(--weight-medium);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rank-meta{display:flex;align-items:center;gap:var(--space-md);font-size:var(--text-sm);color:var(--text-muted);font-variant-numeric:tabular-nums}.my-rank-sticky{position:sticky;bottom:calc(var(--bottom-nav-h) + var(--space-xs));margin-block-start:var(--space-md);box-shadow:var(--shadow-md)}.announcement-list{display:grid;gap:var(--space-sm)}.announcement{display:grid;grid-template-columns:44px 1fr;gap:var(--space-md);padding:var(--space-md);border-radius:var(--radius-lg);background:var(--surface-1);border:1px solid var(--border);transition:border-color var(--dur-fast) var(--ease-out-quart)}.announcement:hover{border-color:var(--border-strong)}.announcement[data-unread=true]{background:var(--surface-2)}.announcement-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:var(--radius-md);background:var(--primary-soft);color:var(--primary)}.announcement[data-tone=warning] .announcement-icon{background:var(--gold-soft);color:var(--gold)}.announcement[data-tone=danger] .announcement-icon{background:var(--danger-soft);color:var(--danger)}.announcement-head{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-sm);flex-wrap:wrap}.announcement-title{font-weight:var(--weight-bold);font-size:var(--text-base)}.announcement-date{font-size:var(--text-xs);color:var(--text-faint);white-space:nowrap}.announcement-body{font-size:var(--text-sm);color:var(--text-muted);margin-block-start:var(--space-2xs);max-width:70ch}.announcement-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;word-break:break-all}.chat-layout{display:grid;grid-template-rows:1fr auto;gap:var(--space-md);height:calc(100dvh - var(--header-h) - var(--bottom-nav-h) - var(--space-2xl));min-height:24rem}.chat-scroll{overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-xs)}.chat-day{align-self:center;font-size:var(--text-xs);color:var(--text-faint);background:var(--surface-1);padding:2px var(--space-sm);border-radius:var(--radius-pill)}.bubble{max-width:min(78%,46ch);padding:var(--space-xs) var(--space-md);border-radius:var(--radius-lg);font-size:var(--text-sm);line-height:1.7;animation:bubble-in var(--dur-base) var(--ease-out-expo)}@keyframes bubble-in{0%{opacity:0;transform:translateY(6px)}}.bubble-time{display:block;margin-block-start:var(--space-2xs);font-size:.6875rem;opacity:.7;font-variant-numeric:tabular-nums}.bubble[data-from=consultant]{align-self:flex-start;background:var(--surface-2);border-start-start-radius:var(--radius-sm)}.bubble[data-from=me]{align-self:flex-end;background:var(--primary-soft);border:1px solid var(--primary);border-start-end-radius:var(--radius-sm)}.bubble[data-status=sending]{opacity:.6}.bubble[data-status=failed]{border-color:var(--danger)}.bubble-retry{display:inline-flex;align-items:center;gap:4px;font-size:.6875rem;color:var(--danger);text-decoration:underline;margin-block-start:var(--space-2xs)}.chat-composer{display:flex;gap:var(--space-xs);align-items:flex-end;padding:var(--space-xs);background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius-lg)}.chat-composer .textarea{resize:none;max-height:7.5rem;background:transparent;border:none;padding:var(--space-xs) var(--space-sm)}.chat-composer .textarea:focus-visible{outline:none}.chat-composer:focus-within{border-color:var(--primary)}.login-page{min-height:100dvh;display:grid;place-items:center;padding:var(--space-xl) var(--space-md)}.login-card{width:min(24rem,100%);display:grid;gap:var(--space-lg);text-align:center}.login-logo{justify-self:center;display:grid;place-items:center;width:78px;height:78px;border-radius:var(--radius-xl);background:var(--gold-soft);color:var(--gold)}.login-card h1{font-size:var(--text-lg)}.login-card .lead{font-size:var(--text-sm);color:var(--text-muted);max-width:32ch;margin-inline:auto}.login-form{display:grid;gap:var(--space-md);text-align:start}.login-alert{display:flex;align-items:flex-start;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);background:var(--danger-soft);border:1px solid var(--danger);font-size:var(--text-sm);text-align:start}.login-alert span{flex:1}.login-alert-close{display:grid;place-items:center;width:28px;height:28px;margin-block-start:-4px;border-radius:50%;color:var(--danger);transition:background-color var(--dur-fast),transform var(--dur-fast)}.login-alert-close:hover{background:color-mix(in oklch,var(--danger) 16%,transparent);transform:scale(1.06)}.password-wrap{position:relative}.password-wrap .input{padding-inline-start:3rem}.password-toggle{position:absolute;inset-inline-start:var(--space-2xs);top:50%;transform:translateY(-50%);width:40px;height:40px;display:grid;place-items:center;border-radius:var(--radius-sm);color:var(--text-muted);background:var(--surface-2);border:1px solid var(--border);transition:color var(--dur-fast),background-color var(--dur-fast),border-color var(--dur-fast),transform var(--dur-fast)}.password-toggle:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}.password-toggle:active{transform:translateY(-50%) scale(.94)}.password-toggle[aria-pressed=true]{color:var(--on-primary);border-color:var(--primary);background:var(--primary)}.login-foot{font-size:var(--text-xs);color:var(--text-faint)}.not-found{display:grid;justify-items:center;gap:var(--space-md);padding-block:var(--space-3xl);text-align:center}.not-found .code{font-size:var(--text-3xl);font-weight:var(--weight-bold);color:var(--surface-3);line-height:1}.admin-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md)}.admin-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-sm);margin-block-end:var(--space-lg)}.admin-metric{display:grid;gap:var(--space-xs);padding:var(--space-md);border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface-1)}.admin-metric span{color:var(--text-muted);font-size:var(--text-sm)}.admin-metric strong{font-size:var(--text-xl)}.admin-grid{display:grid;gap:var(--space-lg);margin-block-end:var(--space-lg)}.admin-panel{padding:var(--space-lg)}.admin-form{display:grid;gap:var(--space-md)}.admin-inline-form{display:grid;gap:var(--space-sm);margin-block:var(--space-md) var(--space-lg)}.admin-list{display:grid;gap:var(--space-xs)}.admin-list-item{display:flex;align-items:start;justify-content:space-between;gap:var(--space-md);padding-block:var(--space-sm);border-bottom:1px solid var(--border)}.admin-list-item p,.admin-list-item small{color:var(--text-muted);font-size:var(--text-sm)}.admin-table-wrap{overflow-x:auto}.admin-table{width:100%;min-width:620px;border-collapse:collapse}.admin-table th,.admin-table td{padding:var(--space-sm) var(--space-md);text-align:right;border-bottom:1px solid var(--border)}.admin-table th{color:var(--text-muted);font-size:var(--text-sm)}@media (min-width: 768px){.admin-metrics{grid-template-columns:repeat(4,minmax(0,1fr))}.admin-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.admin-inline-form{grid-template-columns:2fr 1.3fr 1fr auto;align-items:end}}@media (max-width: 479px){.quick-actions{display:grid;grid-template-columns:1fr 1fr}.quick-actions .btn{min-width:0;padding-inline:var(--space-sm)}.subjects-section{margin-block-start:var(--space-xl)}}.admin-period{width:auto;min-width:8rem}.admin-row-actions{display:flex;flex-wrap:wrap;gap:var(--space-2xs)}.admin-chat{display:grid;grid-template-columns:minmax(8rem,.7fr) minmax(0,1.3fr);min-height:18rem;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}.admin-chat-list{padding:var(--space-xs);border-inline-end:1px solid var(--border);overflow-y:auto}.admin-chat-person{width:100%;display:grid;gap:2px;padding:var(--space-sm);text-align:right;border-radius:var(--radius-sm);color:var(--text)}.admin-chat-person span{color:var(--text-muted);font-size:var(--text-xs)}.admin-chat-person:hover,.admin-chat-person[aria-pressed=true]{background:var(--primary-soft)}.admin-chat-thread{display:flex;flex-direction:column;gap:var(--space-xs);padding:var(--space-sm);overflow-y:auto;max-height:24rem}.admin-message{align-self:flex-start;max-width:86%;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-md);background:var(--surface-2)}.admin-message[data-from=me]{align-self:flex-end;color:var(--on-primary);background:var(--primary)}.admin-chat-form{display:grid;grid-template-columns:1fr auto;gap:var(--space-xs);margin-block-start:var(--space-sm)}@media (max-width: 640px){.admin-chat{grid-template-columns:1fr}.admin-chat-list{max-height:10rem;border-inline-end:0;border-bottom:1px solid var(--border)}.admin-chat-form{grid-template-columns:1fr}}.profile-request-panel{display:grid;gap:var(--space-md);margin-block-start:var(--space-xl);padding:var(--space-lg)}.profile-request-form{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:var(--space-sm)}.credential-reveal{display:flex;align-items:center;gap:var(--space-sm);margin-block-end:var(--space-lg);padding:var(--space-md);border:1px solid var(--primary);border-radius:var(--radius-lg);background:var(--primary-soft)}.credential-reveal[hidden]{display:none}.credential-reveal>div{display:grid;flex:1;gap:var(--space-2xs)}.credential-reveal strong{font-size:var(--text-xl);letter-spacing:.08em;direction:ltr;text-align:right}.profile-request-item{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);padding:var(--space-sm);border-bottom:1px solid var(--border)}.profile-request-item p{color:var(--text-muted);font-size:var(--text-sm)}@media (max-width: 767px){.chat-layout{height:auto;min-height:0}.chat-scroll{min-height:17rem;max-height:calc(100dvh - var(--header-h) - var(--bottom-nav-h) - 15rem)}.chat-composer{position:sticky;bottom:calc(var(--bottom-nav-h) + var(--space-xs));z-index:4;box-shadow:var(--shadow-md)}.admin-head,.section-head,.credential-reveal,.profile-request-item{align-items:stretch;flex-direction:column}.admin-metrics{grid-template-columns:1fr 1fr}.admin-panel{padding:var(--space-md)}.admin-table-wrap{overflow:visible}.admin-table{min-width:0}.admin-table thead{display:none}.admin-table,.admin-table tbody,.admin-table tr,.admin-table td{display:block;width:100%}.admin-table tr{margin-block-end:var(--space-sm);padding:var(--space-sm);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-1)}.admin-table td{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);padding:var(--space-xs) 0;border:0}.admin-table td:before{content:attr(data-label);color:var(--text-muted);font-size:var(--text-xs)}.admin-row-actions{justify-content:flex-end}.profile-request-form{grid-template-columns:1fr}}@media (max-width: 420px){.credential-reveal .btn{width:100%}}.admin-shell{min-width:0;padding-block-end:5.75rem}.admin-tab-content,.admin-tab-panel{min-width:0}.admin-tab-panel[hidden]{display:none}.admin-tabs{position:fixed;inset-inline:max(8px,env(safe-area-inset-left)) max(8px,env(safe-area-inset-right));bottom:max(8px,env(safe-area-inset-bottom));z-index:calc(var(--z-nav) + 2);display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:2px;padding:6px;border:1px solid var(--border-strong);border-radius:18px;background:color-mix(in oklch,var(--surface-1) 92%,transparent);box-shadow:0 14px 40px #00000047;backdrop-filter:blur(18px)}.admin-tab{min-width:0;min-height:52px;display:grid;place-items:center;align-content:center;gap:3px;padding:5px 2px;border-radius:12px;color:var(--text-faint);font-size:.64rem;font-weight:var(--weight-medium);transition:color var(--dur-fast),background-color var(--dur-fast),transform var(--dur-fast)}.admin-tab-icon{display:grid;place-items:center}.admin-tab:hover{color:var(--text);background:var(--surface-2)}.admin-tab[aria-selected=true]{color:var(--on-primary);background:var(--primary);transform:translateY(-1px)}.admin-welcome{display:flex;align-items:center;gap:var(--space-md);margin-block-end:var(--space-lg);padding:var(--space-lg);border:1px solid color-mix(in oklch,var(--primary) 44%,var(--border));border-radius:var(--radius-xl);background:radial-gradient(circle at 14% 15%,color-mix(in oklch,var(--primary) 18%,transparent),transparent 38%),var(--surface-1)}.admin-welcome-icon{display:grid;place-items:center;width:52px;height:52px;flex:none;border-radius:15px;color:var(--gold);background:var(--gold-soft)}.admin-welcome p{color:var(--text-muted);font-size:var(--text-sm)}.admin-quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-sm)}.admin-quick-card{min-height:82px;display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);text-align:right;color:var(--text);border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface-1);transition:border-color var(--dur-fast),background-color var(--dur-fast),transform var(--dur-fast)}.admin-quick-card{flex-direction:column;justify-content:center;text-align:center}.admin-quick-card small{display:none}.admin-quick-card:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}.admin-quick-card>svg{color:var(--primary);flex:none}.admin-quick-card span{display:grid;gap:3px}.admin-quick-card small{color:var(--text-muted)}@media (min-width: 640px){.admin-tabs{left:50%;right:auto;width:min(42rem,calc(100vw - 2rem));transform:translate(-50%)}.admin-quick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.admin-quick-card{flex-direction:row;justify-content:flex-start;text-align:right}.admin-quick-card small{display:block}}@media (min-width: 1024px){.admin-shell{display:grid;grid-template-columns:minmax(0,1fr) 13rem;gap:var(--space-xl);align-items:start;padding-block-end:0}.admin-tab-content{grid-column:1;grid-row:1}.admin-tabs{position:sticky;grid-column:2;grid-row:1;top:calc(var(--header-h) + var(--space-lg));inset-inline:auto;left:auto;right:auto;bottom:auto;width:auto;transform:none;grid-template-columns:1fr;gap:var(--space-xs);padding:var(--space-sm);border-radius:var(--radius-lg);box-shadow:none}.admin-tab{min-height:48px;grid-template-columns:28px 1fr;justify-items:start;align-content:center;padding-inline:var(--space-md);font-size:var(--text-sm)}}body.modal-open{overflow:hidden}.password-modal-backdrop{position:fixed;inset:0;z-index:calc(var(--z-toast) + 12);display:grid;place-items:end center;padding:var(--space-md);background:#000000ad;opacity:0;backdrop-filter:blur(10px);transition:opacity .18s ease}.password-modal-backdrop[hidden]{display:none}.password-modal-backdrop.is-visible{opacity:1}.password-modal{position:relative;width:min(100%,31rem);max-height:calc(100dvh - 2rem);overflow-y:auto;display:grid;gap:var(--space-lg);padding:var(--space-xl) var(--space-lg) var(--space-lg);border:1px solid var(--border-strong);border-radius:24px;background:radial-gradient(circle at 88% 0,color-mix(in oklch,var(--primary) 16%,transparent),transparent 34%),var(--surface-1);box-shadow:0 28px 90px #00000085;transform:translateY(28px) scale(.98);transition:transform .2s var(--ease-out-quart)}.password-modal-backdrop.is-visible .password-modal{transform:translateY(0) scale(1)}.password-modal-close{position:absolute;inset-inline-end:var(--space-sm);top:var(--space-sm);width:40px;height:40px;display:grid;place-items:center;border-radius:50%;color:var(--text-muted);background:var(--surface-2)}.password-modal-head{display:flex;align-items:center;gap:var(--space-md)}.password-modal-head p{color:var(--text-muted);font-size:var(--text-sm)}.password-modal-icon{width:52px;height:52px;display:grid;place-items:center;flex:none;border-radius:15px;color:var(--primary);background:var(--primary-soft)}.current-password-status{display:flex;align-items:flex-start;gap:var(--space-sm);padding:var(--space-md);border:1px solid color-mix(in oklch,var(--success) 45%,var(--border));border-radius:var(--radius-lg);background:color-mix(in oklch,var(--success) 10%,var(--surface-1))}.current-password-status>svg{color:var(--success);flex:none}.current-password-status 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