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8px;font-size:.75rem;font-weight:700}.sg-hero__title{color:var(--sg-text);margin:0 0 10px;font-size:clamp(1.5rem,4vw,1.875rem);font-weight:800;line-height:1.25}.sg-hero__desc{color:#475569;max-width:52ch;margin:0;font-size:1rem;line-height:1.65}.sg-actions{flex-wrap:wrap;gap:10px;margin-bottom:24px;display:flex}.sg-btn{cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:.9375rem;font-weight:600;text-decoration:none;transition:transform .15s,box-shadow .15s,background .15s;display:inline-flex}.sg-btn:disabled{opacity:.55;cursor:not-allowed}.sg-btn--primary{background:var(--sg-primary);color:#fff;box-shadow:0 2px 8px #2563eb59}.sg-btn--primary:hover:not(:disabled){background:var(--sg-primary-dark);transform:translateY(-1px)}.sg-btn--accent{background:var(--sg-accent);color:#fff}.sg-btn--accent:hover:not(:disabled){background:#047857;transform:translateY(-1px)}.sg-btn--secondary{color:var(--sg-text);border:1px solid 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10px;font-size:.75rem;font-weight:600;display:inline-flex}.sg-badge--on{color:#166534;background:#dcfce7}.sg-badge--off{color:#92400e;background:#fef3c7}.sg-badge--full{color:#991b1b;background:#fee2e2}.sg-empty{text-align:center;border-radius:var(--sg-radius);background:#f8fafc;border:1px dashed #cbd5e1;padding:40px 24px}.sg-empty__text{color:var(--sg-muted);margin:0 0 16px;line-height:1.6}.sg-alert{border-radius:10px;margin-bottom:16px;padding:14px 16px;font-size:.9375rem;line-height:1.5}.sg-alert--warn{color:#92400e;background:#fffbeb;border:1px solid #fde68a}.sg-alert--error{color:#b91c1c;background:#fef2f2;border:1px solid #fecaca}.sg-alert--success{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0}.sg-alert a{color:var(--sg-primary);font-weight:600}.sg-form{flex-direction:column;gap:18px;display:flex}.sg-field 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input{width:18px;height:18px;accent-color:var(--sg-primary);margin-top:4px}.sg-join-rules-link{color:var(--sg-primary);font-weight:600;text-decoration:none}.sg-join-rules-link:hover{text-decoration:underline}.sg-day-chips{flex-wrap:wrap;gap:8px;display:flex}.sg-day-chip{border:1px solid var(--sg-border);cursor:pointer;background:#fff;border-radius:10px;padding:8px 14px;font-size:.875rem;font-weight:600;transition:all .15s}.sg-day-chip--on{border:2px solid var(--sg-primary);color:var(--sg-primary-dark);background:#eff6ff}.sg-tabs{border-bottom:1px solid var(--sg-border);width:100%;max-width:100%;margin-bottom:20px;display:flex;overflow:hidden}.sg-tab{min-width:0;color:var(--sg-muted);cursor:pointer;white-space:nowrap;text-align:center;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;margin-bottom:-1px;padding:12px 8px;font-size:.9375rem;font-weight:500}.sg-tab--active{color:var(--sg-primary);border-bottom-color:var(--sg-primary);font-weight:700}.sg-tab{justify-content:center;align-items:center;gap:6px;display:inline-flex}.sg-tab-dot{background:#ef4444;border-radius:50%;flex-shrink:0;width:7px;height:7px}.sg-btn--with-badge{align-items:center;gap:8px;display:inline-flex}.sg-hub-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;min-width:0;margin-bottom:16px;display:flex}.sg-hub-top .sg-back{min-width:0}.sg-hub-top 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4px;font-size:.9375rem;font-weight:700;line-height:1.35}.sg-feature__text{color:var(--sg-muted);margin:0;font-size:.8125rem;line-height:1.5}.sg-rules section{color:#475569;margin-bottom:28px;line-height:1.75}.sg-rules h2{color:var(--sg-text);margin:0 0 8px;font-size:1.0625rem;font-weight:700}.sg-rules ul{margin:0;padding-left:1.25rem}.sg-group-card{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.sg-group-card__actions{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:6px;display:flex;position:relative}.sg-group-card__body{flex:1;min-width:0}.sg-group-card__name{margin:0;font-size:1.125rem;font-weight:700}.sg-group-card__host{border:1px solid var(--sg-border);background:#f8fafc;border-radius:10px;justify-content:space-between;align-items:center;gap:12px;margin-top:12px;padding:10px 12px;display:flex}.sg-group-card__host-label{align-items:center;min-width:0;display:flex}.sg-group-card__host-label 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100%);flex:1;margin-bottom:12px;padding:16px;overflow-y:auto}.sg-chat__bubble{margin-bottom:12px;font-size:.9375rem}.sg-chat__meta{justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:4px;display:flex}.sg-chat__meta-left{flex-wrap:wrap;align-items:baseline;gap:6px 10px;min-width:0;display:flex}.sg-chat__actions{flex-shrink:0;position:relative}.sg-chat__menu-btn{width:28px;height:28px;color:var(--sg-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;display:flex}.sg-chat__menu-btn:hover{color:var(--sg-text);background:#f1f5f9}.sg-chat__menu{z-index:20;border:1px solid var(--sg-border);background:#fff;border-radius:10px;min-width:200px;margin-top:4px;padding:6px;position:absolute;top:100%;right:0;box-shadow:0 8px 24px #0f172a1f}.sg-chat__menu-item{text-align:left;width:100%;color:var(--sg-text);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;padding:8px 10px;font-size:.8125rem;display:flex}.sg-chat__menu-item:hover{background:#f8fafc}.sg-chat__menu-item--danger{color:#b91c1c}.sg-chat__menu-item--danger:hover{background:#fef2f2}.sg-chat__sender{color:var(--sg-text);flex-wrap:wrap;align-items:center;gap:6px;font-size:.8125rem;font-weight:700;display:inline-flex}.sg-chat__sender-name{font-weight:700}.sg-chat__sender--system{color:var(--sg-muted);font-weight:600}.sg-chat__time{color:var(--sg-muted);font-size:.75rem}.sg-chat__form{align-items:center;gap:8px;display:flex}.sg-chat__form .sg-input{flex:1}.sg-member-row{border:1px solid var(--sg-border);background:#fff;border-radius:10px;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;padding:12px 14px;display:flex}.sg-member-row__name{flex-wrap:wrap;align-items:center;gap:6px;min-width:0;display:inline-flex}.sg-member-row__name-text{font-weight:600}.sg-level-tag{letter-spacing:.01em;border-radius:999px;padding:2px 8px;font-size:.6875rem;font-weight:700;line-height:1.3}.sg-level-tag--muted{color:#64748b;background:#f1f5f9}.sg-member-icon-btn{color:#94a3b8;cursor:pointer;opacity:.55;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;padding:0;transition:opacity .15s,color .15s,background .15s;display:inline-flex}.sg-member-icon-btn:hover:not(:disabled){opacity:1;color:#64748b;background:#f8fafc}.sg-member-icon-btn:disabled{cursor:not-allowed;opacity:.35}.sg-member-row__actions{flex-wrap:wrap;flex-shrink:0;align-items:center;gap:6px;display:flex}.sg-host-tag{color:var(--sg-primary);margin-left:8px;font-size:.75rem;font-weight:700}.sg-request-card{border:1px solid var(--sg-border);border-radius:var(--sg-radius);background:#fff;margin-bottom:12px;padding:16px}.sg-request-card__actions{gap:8px;margin-top:12px;display:flex}.sg-link-row{flex-wrap:wrap;gap:8px;display:flex}.sg-link-row .sg-input{flex:1;min-width:200px;font-size:.8125rem}.sg-footnote{color:#94a3b8;margin-top:24px;font-size:.8125rem}.sg-footnote a{color:var(--sg-primary);font-weight:600}.sg-modal-backdrop{z-index:50;background:#0f172a73;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.sg-modal{background:var(--sg-surface);border-radius:calc(var(--sg-radius) + 2px);width:100%;max-width:420px;max-height:min(90vh,640px);padding:24px 20px;overflow-y:auto;box-shadow:0 20px 48px #0f172a2e}.sg-modal--achievements{max-width:440px}.sg-modal__title{margin:0 0 16px;font-size:1.25rem;font-weight:800}.sg-modal__actions{justify-content:flex-end;gap:8px;margin-top:8px;display:flex}.sg-group-card__actions--stack{flex-direction:column;align-items:stretch;max-width:280px}.sg-join-pending-label{text-align:center;color:#64748b;border:1px solid var(--sg-border);background:#f8fafc;border-radius:10px;padding:.45rem .75rem;font-size:.8125rem;font-weight:700;display:block}.sg-group-card__actions--stack .sg-alert{margin:0}.sg-join-apply-msg{text-align:right;max-width:200px;margin:0;font-size:.75rem;line-height:1.35}.sg-join-apply-msg--ok{color:#059669}.sg-join-apply-msg--err{color:#dc2626}