:root{--bg: #fff;--fg: #1b1f24;--pri: #4299e1;--muted: #5b6572;--surface: rgba(255, 255, 255, .76);--surface-solid: #ffffff;--surface-2: rgba(27, 31, 36, .04);--border: rgba(27, 31, 36, .14);--border-strong: rgba(27, 31, 36, .22);--shadow: 0 14px 40px rgba(0, 0, 0, .12);--shadow-soft: 0 8px 18px rgba(0, 0, 0, .08);--danger: #f1857d;--warn: #b54708;--ok: #039855;--radius-lg: 16px;--radius-md: 12px;--radius-sm: 10px;--ring: 0 0 0 4px rgba(66, 153, 225, .24);--nav-h: 64px;--container-max: 920px;--container-pad: 16px}:root[data-device=mobile]{--nav-h: 70px;--container-max: 920px;--container-pad: 14px}:root[data-device=desktop]{--nav-h: 64px;--container-max: 1040px;--container-pad: 18px}:root[data-form-factor=tablet]{--nav-h: 70px;--container-max: 980px;--container-pad: 16px}:root[data-form-factor=phone]{--nav-h: 70px;--container-max: 920px;--container-pad: 14px}:root[data-os=ios]{--nav-h: 72px;--container-pad: 14px}:root[data-os=android]{--nav-h: 70px}:root[data-os=harmonyos]{--nav-h: 70px}:root[data-os=windows]{--container-max: 1040px}:root[data-os=macos]{--container-max: 1040px}@media (prefers-color-scheme: dark){:root{--bg: #0f1115;--fg: #f4f6f8;--muted: rgba(244, 246, 248, .68);--surface: rgba(18, 21, 27, .74);--surface-solid: #12151b;--surface-2: rgba(244, 246, 248, .06);--border: rgba(244, 246, 248, .14);--border-strong: rgba(244, 246, 248, .24);--shadow: 0 18px 54px rgba(0, 0, 0, .5);--shadow-soft: 0 10px 24px rgba(0, 0, 0, .35);--ring: 0 0 0 4px rgba(255, 107, 107, .22)}}@media (prefers-contrast: more){:root{--border: rgba(27, 31, 36, .28);--border-strong: rgba(27, 31, 36, .4);--surface: var(--surface-solid)}@media (prefers-color-scheme: dark){:root{--border: rgba(244, 246, 248, .28);--border-strong: rgba(244, 246, 248, .42);--surface: var(--surface-solid)}}.card,.bottom-nav,.side-nav-inner{backdrop-filter:none;-webkit-backdrop-filter:none}}::-webkit-scrollbar{width:0;height:0;background:transparent}*{scrollbar-width:none;-ms-overflow-style:none}*{box-sizing:border-box}.card>div[style*="width: 100%"][style*="height: 140px"]{margin-bottom:0!important}.card>div[style*="width: 100%"][style*="height: 140px"]>img{display:block!important;margin:0!important;padding:0!important;border:none!important;width:100%!important;height:100%!important;object-fit:cover!important}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}@media (prefers-reduced-motion: reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}html,body,#root{height:100%}body{margin:0;color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.45;background:radial-gradient(1200px 700px at 20% -10%,rgba(255,107,107,.18),transparent 60%),radial-gradient(900px 600px at 90% 0%,rgba(99,102,241,.14),transparent 55%),radial-gradient(900px 700px at 50% 120%,rgba(16,185,129,.1),transparent 50%),var(--bg)}:root[data-os=macos] body,:root[data-os=ios] body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit}h1,h2,h3{margin:0 0 12px;letter-spacing:-.02em}h2{font-size:20px}h3{font-size:16px}.container{max-width:var(--container-max);margin:0 auto;padding-top:calc(var(--container-pad) + env(safe-area-inset-top,0px));padding-bottom:calc(var(--container-pad) + env(safe-area-inset-bottom,0px));padding-left:calc(var(--container-pad) + env(safe-area-inset-left,0px));padding-right:calc(var(--container-pad) + env(safe-area-inset-right,0px))}.app-shell{display:flex;flex-direction:column;height:100%}.side-nav{display:none}.app-content{flex:1;overflow-y:auto;padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px))}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:1000;height:calc(var(--nav-h) + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);border-top:1px solid var(--border);background:linear-gradient(to bottom,#ffffff8c,#ffffffdb);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 -10px 24px #00000014;display:grid;grid-template-columns:repeat(5,1fr);align-items:center}@media (prefers-color-scheme: dark){.bottom-nav{background:linear-gradient(to bottom,#12151b99,#12151be6);box-shadow:0 -12px 28px #00000059}}.nav-item{text-decoration:none;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:12px;padding:8px 0;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.nav-item-active{color:var(--pri);font-weight:700}.nav-icon{width:28px;height:28px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;opacity:.74;transition:opacity .12s ease,transform .12s ease,background .12s ease}.nav-item-active .nav-icon{opacity:1;background:#ff6b6b24;transform:translateY(-1px)}@media (min-width: 980px){.app-shell{flex-direction:row}.side-nav{display:block;width:260px;position:sticky;top:0;height:100vh;padding:18px 14px}.side-nav-inner{height:calc(100vh - 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54px);padding:12px;background:#0000000f;display:flex;align-items:center;justify-content:center}@media (prefers-color-scheme: dark){.lightbox-body{background:#ffffff0a}}.lightbox-img{max-width:100%;max-height:calc(86vh - 78px);width:auto;height:auto;display:block;border-radius:var(--radius-md);background:transparent}.notification-badge{position:absolute;top:-4px;right:-4px;background-color:var(--pri);color:#fff;font-size:10px;font-weight:700;border-radius:10px;padding:2px 6px;min-width:18px;text-align:center;box-shadow:0 2px 4px #0003}.nav-icon-side,.nav-icon{position:relative}.notifications-container{max-width:var(--container-max);margin:0 auto;padding:20px var(--container-pad);min-height:calc(100vh - var(--nav-h))}.notifications-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}.notifications-header h1{margin:0;font-size:24px;font-weight:600;color:var(--fg)}.mark-all-read-btn{background-color:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 16px;font-size:14px;color:var(--muted);cursor:pointer;transition:all .2s ease}.mark-all-read-btn:hover{background-color:var(--surface);color:var(--fg)}.notification-groups{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap}.group-btn{background-color:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 16px;font-size:14px;color:var(--muted);cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:6px}.group-btn.active{background-color:var(--pri);border-color:var(--pri);color:#fff}.group-btn:hover:not(.active){background-color:var(--surface);color:var(--fg)}.unread-badge{background-color:var(--pri);color:#fff;font-size:12px;font-weight:700;border-radius:10px;padding:2px 8px;min-width:20px;text-align:center}.notifications-list{display:flex;flex-direction:column;gap:12px}.loading,.empty{text-align:center;padding:40px 0;color:var(--muted);font-size:16px}.notification-item{display:flex;align-items:flex-start;gap:12px;padding:16px;background-color:var(--surface-solid);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease;position:relative}.notification-item:hover{border-color:var(--pri);box-shadow:var(--shadow-soft)}.notification-item.unread{background-color:#ff6b6b0a;border-color:#ff6b6b33}.notification-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background-color:var(--surface-2);border-radius:var(--radius-sm);color:var(--pri);flex-shrink:0}.notification-content{flex:1;min-width:0}.notification-message{font-size:14px;color:var(--fg);margin-bottom:8px;line-height:1.5}.notification-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}.notification-type{background-color:var(--surface-2);padding:2px 8px;border-radius:4px}.unread-dot{position:absolute;top:16px;right:16px;width:8px;height:8px;background-color:var(--pri);border-radius:50%}.account-integration-container{max-width:var(--container-max);margin:0 auto;padding:20px var(--container-pad);min-height:calc(100vh - var(--nav-h))}.account-integration-container h1{margin:0 0 24px;font-size:24px;font-weight:600;color:var(--fg)}.account-integration-container h2{margin:0 0 16px;font-size:18px;font-weight:600;color:var(--fg)}.account-integration-container p{margin:0 0 12px;color:var(--muted);line-height:1.5}.integration-info{background-color:var(--surface-solid);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;margin-bottom:24px}.warning{background-color:#fbbf241a;border-left:4px solid var(--warn);padding:12px 16px;margin:16px 0;border-radius:var(--radius-sm);color:var(--warn);font-weight:500}.status-card{background-color:var(--surface-2);border-radius:var(--radius-md);padding:16px;margin-top:16px}.status-card.enabled{border-left:4px solid var(--ok)}.status-card.disabled{border-left:4px solid var(--muted)}.status-card h3{margin:0 0 12px;font-size:16px;font-weight:600;color:var(--fg)}.status-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.status-label{color:var(--muted);font-size:14px}.status-value{color:var(--fg);font-weight:500;font-size:14px}.integration-form-section{background-color:var(--surface-solid);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;margin-bottom:24px}.integration-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:14px;font-weight:500;color:var(--fg)}.form-group input{padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;transition:all .2s ease}.form-group input:focus{outline:none;border-color:var(--pri);box-shadow:var(--ring)}.form-group input:disabled{background-color:var(--surface-2);cursor:not-allowed}.target-user-info{display:flex;align-items:center;gap:12px;padding:12px;background-color:var(--surface-2);border-radius:var(--radius-sm);margin-top:8px}.user-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;flex-shrink:0}.user-avatar img{width:100%;height:100%;object-fit:cover}.avatar-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background-color:var(--pri);color:#fff;font-weight:600;font-size:18px}.user-details{display:flex;flex-direction:column;gap:4px}.user-name{font-size:14px;font-weight:600;color:var(--fg)}.user-id{font-size:12px;color:var(--muted)}.submit-btn{padding:10px 16px;background-color:var(--pri);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.submit-btn:hover:not(:disabled){opacity:.9;transform:translateY(-1px);box-shadow:var(--shadow-soft)}.submit-btn:disabled{background-color:var(--muted);cursor:not-allowed;transform:none}.error-message{background-color:#d92d201a;border-left:4px solid var(--danger);padding:12px 16px;border-radius:var(--radius-sm);color:var(--danger);font-size:14px}.success-message{background-color:#0398551a;border-left:4px solid var(--ok);padding:12px 16px;border-radius:var(--radius-sm);color:var(--ok);font-size:14px}.requests-section{background-color:var(--surface-solid);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px}.empty-requests{text-align:center;padding:40px 0;color:var(--muted);font-size:16px}.requests-list{display:flex;flex-direction:column;gap:12px}.request-item{padding:16px;border:1px solid var(--border);border-radius:var(--radius-md);background-color:var(--surface-2)}.request-item.pending{border-left:4px solid var(--warn)}.request-item.approved{border-left:4px solid var(--ok)}.request-item.rejected{border-left:4px solid var(--danger)}.request-item.cancelled{border-left:4px solid var(--muted)}.request-content{display:flex;flex-direction:column;gap:8px}.request-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}.request-title{font-size:14px;font-weight:500;color:var(--fg)}.request-status{padding:4px 8px;border-radius:4px;font-size:12px;font-weight:500}.status-pending{background-color:#fbbf241a;color:var(--warn)}.status-approved{background-color:#0398551a;color:var(--ok)}.status-rejected{background-color:#d92d201a;color:var(--danger)}.status-cancelled{background-color:#5b65721a;color:var(--muted)}.request-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:12px;color:var(--muted)}