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p{margin:0 0 8px;color:var(--text-muted)}.auth-card label{font-size:.9rem;color:var(--text-muted)}.auth-card input{border-radius:10px;border:1px solid var(--border);padding:10px 12px;font-size:1rem}.phone-row{display:grid;grid-template-columns:150px 1fr;grid-gap:8px;gap:8px}.phone-row select{border-radius:10px;border:1px solid var(--border);padding:10px 8px;font-size:.95rem;background:var(--surface)}.auth-card button,.stack button{border:0;border-radius:10px;padding:10px 12px;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}.auth-dynamic-panel{display:grid;grid-gap:10px;gap:10px;opacity:0;transform:translateY(-6px);animation:auth-step-in .22s ease forwards}.auth-stage-label{margin:0;color:var(--text-muted);font-size:.92rem}.auth-actions{display:flex;gap:8px;align-items:center}.auth-secondary-btn{border:1px solid var(--border)!important;background:#fff!important;color:var(--text)!important}@keyframes 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h2{margin:0;font-size:1rem}.admin-limits{display:flex;gap:8px}.admin-limits a{text-decoration:none;border:1px solid var(--border);border-radius:8px;padding:4px 8px;color:var(--text)}.admin-table-scroll{width:100%;overflow:auto}.admin-table{width:100%;border-collapse:collapse;min-width:760px}.admin-table td,.admin-table th{border-bottom:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top;font-size:.86rem}.admin-table th{position:-webkit-sticky;position:sticky;top:0;background:#f2f6fb;z-index:1}@media (max-width:900px){.shell{display:block;height:100dvh;padding-bottom:72px;overflow:hidden}.shell,.sidebar{min-height:100dvh}.sidebar{width:min(380px,100%)!important;max-width:100%;min-width:0;max-height:calc(100dvh - 72px);position:fixed;left:0;top:0;bottom:72px;z-index:35;border-right:1px solid var(--border);border-bottom:0;transform:translateX(-105%);transition:transform .2s ease;box-shadow:0 8px 30px rgba(18,41,70,.2);padding:14px 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12px;gap:8px}.chat-header>div{min-width:0}.chat-header h2{font-size:1.02rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header span{font-size:.82rem}.chat-header-nav-btn{display:inline-flex;width:36px;height:32px;margin:0;align-items:center;justify-content:center;padding:0;flex-shrink:0}.header-action{padding:6px 8px;font-size:.82rem}.messages{padding:12px 12px 136px}.bubble{max-width:86%}.composer{position:fixed;left:0;right:0;bottom:calc(72px + env(safe-area-inset-bottom));z-index:25;padding:10px 12px;background:var(--surface)}.composer form{gap:8px}.composer .attach-trigger{min-width:42px;width:42px;padding:0}.composer button{padding:8px 12px}.composer-send-btn{min-width:88px;padding:8px 14px}.image-preview{width:150px;max-width:min(150px,100%)}.scroll-to-latest-btn{right:14px;bottom:calc(148px + env(safe-area-inset-bottom))}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:60;height:calc(72px + env(safe-area-inset-bottom));min-height:calc(72px + env(safe-area-inset-bottom));max-height:calc(72px + env(safe-area-inset-bottom));padding:8px 10px env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:8px;gap:8px}.mobile-bottom-nav-btn{border:1px solid var(--border);background:#f7fbff;color:var(--text);border-radius:12px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0}.mobile-bottom-nav-btn[data-active=true]{color:var(--accent);background:#eaf3ff;border-color:#a8c8ee}.mobile-duplicate-control{display:none!important}.mobile-bottom-nav-btn .menu-trigger-bars span{background:currentColor}.app-modal,.modal-backdrop{padding:0;place-items:stretch;background:#fff}.app-modal-card,.contact-card,.contacts-modal-card,.delete-message-card,.file-viewer-card,.modal-card{width:100%;height:100%;max-height:100dvh;border-radius:0;border:0;padding:60px 14px 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