:root,[data-theme=light]{--bg-primary: #f8fafc;--bg-secondary: #f1f5f9;--card-bg: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--border-color: rgba(148, 163, 184, .3);--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(255, 255, 255, .5);--glass-shadow: rgba(31, 38, 135, .15);--input-bg: rgba(255, 255, 255, .6);--gradient-start: #667eea;--gradient-end: #764ba2;--navbar-bg: rgba(255, 255, 255, .75);--bottom-nav-bg: rgba(255, 255, 255, .85);--hover-bg: rgba(102, 126, 234, .08);--tag-bg: rgba(102, 126, 234, .1);--tag-text: #667eea;--divider: rgba(148, 163, 184, .2)}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--card-bg: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--border-color: rgba(71, 85, 105, .5);--glass-bg: rgba(30, 41, 59, .7);--glass-border: rgba(71, 85, 105, .4);--glass-shadow: rgba(0, 0, 0, .3);--input-bg: rgba(30, 41, 59, .6);--navbar-bg: rgba(15, 23, 42, .8);--bottom-nav-bg: rgba(15, 23, 42, .9);--hover-bg: rgba(102, 126, 234, .15);--tag-bg: rgba(102, 126, 234, .2);--tag-text: #a5b4fc;--divider: rgba(71, 85, 105, .3)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;font-weight:400;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);transition:background-color .3s ease,color .3s 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.3s ease}.glass-input::placeholder{color:var(--text-secondary)}.glass-input:focus{border-color:var(--gradient-start);box-shadow:0 0 0 3px #667eea40}#root{min-height:100vh;display:flex;flex-direction:column}.theme-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-primary);cursor:pointer;transition:background .2s ease,transform .2s ease}.theme-toggle:hover{background:var(--hover-bg);transform:scale(1.05)}.theme-toggle svg{transition:transform .3s ease}.theme-toggle:active svg{transform:rotate(30deg)}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:var(--navbar-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);transition:background .3s 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svg{color:var(--text-secondary);flex-shrink:0}.navbar__search--mobile{display:flex;min-width:0;flex:1;margin-right:4px;margin-left:8px;max-width:220px}.navbar__link{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 14px;border-radius:10px;color:var(--text-secondary);font-size:12px;font-weight:500;transition:color .2s ease,background .2s ease;position:relative}.navbar__link svg{width:20px;height:20px}.navbar__link:hover{color:var(--text-primary);background:var(--hover-bg)}.navbar__link.active{color:var(--gradient-start)}.navbar__link.active:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:24px;height:3px;border-radius:3px;background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end))}.navbar__right{display:flex;align-items:center;gap:6px}.navbar__icon-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;color:var(--text-secondary);transition:background .2s ease,color .2s ease}.navbar__icon-btn:hover{background:var(--hover-bg);color:var(--text-primary)}.navbar__avatar-wrap{position:relative}.navbar__avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;transition:transform .2s,box-shadow .2s;flex-shrink:0;position:relative}.navbar__avatar:hover{transform:scale(1.06);box-shadow:0 2px 12px #667eea66}.navbar__bell{display:flex;position:relative}.navbar__bell-badge{position:absolute;top:4px;right:4px;min-width:16px;height:16px;padding:0 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var(--divider)}.navbar__search-section:last-child{border-bottom:none}.navbar__search-section-label{display:flex;align-items:center;gap:6px;padding:6px 14px 4px;font-size:11px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em}.navbar__search-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 14px;text-align:left;cursor:pointer;transition:background 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+ 10px);right:0;width:340px;background:var(--card-bg);border:1px solid var(--glass-border);border-radius:14px;box-shadow:0 8px 32px var(--glass-shadow);z-index:200;overflow:hidden;animation:dropdown-in .15s ease}.navbar__notif-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 10px;border-bottom:1px solid var(--divider)}.navbar__notif-title{font-size:15px;font-weight:700;color:var(--text-primary)}.navbar__notif-mark-read{font-size:12px;color:var(--gradient-start);font-weight:500;cursor:pointer;transition:opacity .15s}.navbar__notif-mark-read:hover{opacity:.75}.navbar__notif-list{max-height:360px;overflow-y:auto}.navbar__notif-item{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;transition:background .15s;position:relative;cursor:pointer}.navbar__notif-item:hover{background:var(--hover-bg)}.navbar__notif-item--unread{background:#667eea0f}.navbar__notif-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:700;flex-shrink:0}.navbar__notif-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}.navbar__notif-text{font-size:13px;color:var(--text-primary);line-height:1.5}.navbar__notif-time{font-size:11px;color:var(--text-secondary)}.navbar__notif-dot{width:8px;height:8px;border-radius:50%;background:var(--gradient-start);flex-shrink:0;margin-top:4px}@media(min-width:768px){.navbar{padding:0 40px}.navbar__logo--desktop{display:flex}.navbar__logo--mobile{display:none}.navbar__center,.navbar__theme-desktop{display:flex}.navbar__dropdown-theme,.navbar__search--mobile{display:none}}@media(max-width:767px){.navbar__notif-dropdown{right:-40px;width:300px}}.navbar__notif-item--clickable{cursor:pointer}.bottom-nav{display:flex;align-items:center;justify-content:space-around;position:fixed;bottom:0;left:0;right:0;z-index:100;height:60px;background:var(--bottom-nav-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--glass-border);transition:background .3s ease}.bottom-nav__item{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--text-secondary);font-size:11px;font-weight:500;padding:6px 0;transition:color .2s ease}.bottom-nav__item svg{width:22px;height:22px}.bottom-nav__item.active{color:transparent}.bottom-nav__item.active svg{stroke:var(--gradient-start)}.bottom-nav__item.active span{background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@media(min-width:768px){.bottom-nav{display:none}}.chat-avatar{border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;flex-shrink:0}.chat-unread-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));color:#fff;font-size:11px;font-weight:700;border-radius:9px;flex-shrink:0}.chat-close-btn{display:flex;align-items:center;justify-content:center;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:6px;transition:color .2s,background .2s}.chat-close-btn:hover{color:var(--text-primary);background:var(--hover-bg)}.chat-back-btn{display:flex;align-items:center;justify-content:center;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:6px;margin-right:4px;transition:color .2s,background .2s}.chat-back-btn:hover{color:var(--text-primary);background:var(--hover-bg)}.chat-conv-list{display:flex;flex-direction:column;height:100%;overflow:hidden}.chat-conv-list__header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 10px;border-bottom:1px solid var(--divider);flex-shrink:0}.chat-conv-list__title{font-size:16px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px}.chat-conv-list__search{position:relative;padding:10px 12px;border-bottom:1px solid var(--divider);flex-shrink:0}.chat-search-icon{position:absolute;left:22px;top:50%;transform:translateY(-50%);color:var(--text-secondary);pointer-events:none}.chat-search-input{width:100%;padding:8px 10px 8px 30px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:20px;color:var(--text-primary);font-size:13px;outline:none;transition:border-color .2s}.chat-search-input:focus{border-color:var(--gradient-start)}.chat-search-input::placeholder{color:var(--text-secondary)}.chat-conv-list__items{overflow-y:auto;flex:1}.chat-conv-item{display:flex;align-items:center;gap:10px;width:100%;padding:12px 14px;text-align:left;cursor:pointer;border-bottom:1px solid var(--divider);background:none;color:inherit;transition:background .15s}.chat-conv-item:hover{background:var(--hover-bg)}.chat-conv-item__body{flex:1;min-width:0}.chat-conv-item__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:2px}.chat-conv-item__name{font-size:14px;font-weight:600;color:var(--text-primary)}.chat-conv-item__time{font-size:11px;color:var(--text-secondary);white-space:nowrap}.chat-conv-item__bottom{display:flex;align-items:center;justify-content:space-between;gap:8px}.chat-conv-item__last{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.chat-message-view{display:flex;flex-direction:column;height:100%;overflow:hidden}.chat-message-view__header{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--divider);flex-shrink:0;background:var(--card-bg)}.chat-message-view__info{flex:1;min-width:0}.chat-message-view__name{font-size:14px;font-weight:700;color:var(--text-primary)}.chat-message-view__status{font-size:11px;color:#22c55e}.chat-messages{flex:1;overflow-y:auto;padding:12px 12px 8px;display:flex;flex-direction:column;gap:6px;background:var(--bg-primary)}.chat-bubble-row{display:flex;justify-content:flex-start}.chat-bubble-row--me{justify-content:flex-end}.chat-bubble{max-width:78%;padding:9px 12px;border-radius:14px;font-size:13px;line-height:1.5;position:relative;word-break:break-word}.chat-bubble--them{background:var(--card-bg);color:var(--text-primary);border-bottom-left-radius:4px;border:1px solid var(--border-color)}.chat-bubble--me{background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));color:#fff;border-bottom-right-radius:4px}.chat-bubble__time{display:block;font-size:10px;margin-top:3px;opacity:.6;text-align:right}.chat-input-row{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--divider);background:var(--card-bg);flex-shrink:0;align-items:center}.chat-input{flex:1;padding:9px 14px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:20px;color:var(--text-primary);font-size:13px;outline:none;transition:border-color .2s;font-family:inherit}.chat-input:focus{border-color:var(--gradient-start)}.chat-input::placeholder{color:var(--text-secondary)}.chat-send-btn{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:opacity .2s,transform .2s}.chat-send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.chat-send-btn:not(:disabled):hover{transform:scale(1.08)}.chat-desktop,.chat-mobile{display:none}@media(min-width:768px){.chat-desktop{display:block;position:fixed;bottom:24px;right:24px;z-index:100}.chat-mobile{display:none!important}.chat-fab{display:flex;align-items:center;gap:8px;padding:12px 18px;background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));color:#fff;border-radius:28px;font-size:14px;font-weight:600;cursor:pointer;box-shadow:0 4px 20px #667eea66;transition:transform .2s,box-shadow .2s;position:relative}.chat-fab:hover{transform:scale(1.04);box-shadow:0 6px 28px #667eea80}.chat-fab__label{font-size:14px}.chat-fab__badge{position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 5px;background:#ef4444;color:#fff;font-size:11px;font-weight:700;border-radius:10px;display:flex;align-items:center;justify-content:center}.chat-panel{width:340px;height:480px;background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;overflow:hidden;box-shadow:0 8px 40px var(--glass-shadow);display:flex;flex-direction:column}}@media(max-width:767px){.chat-desktop{display:none!important}.chat-mobile{display:flex;flex-direction:column;position:fixed;top:64px;left:0;width:100%;bottom:60px;z-index:99;background:var(--bg-primary);overflow:hidden}.chat-mobile .chat-conv-list,.chat-mobile .chat-message-view{height:100%}.chat-input-row{padding-bottom:calc(10px + env(safe-area-inset-bottom))}}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton{background:linear-gradient(90deg,var(--glass-bg) 25%,var(--hover-bg) 50%,var(--glass-bg) 75%);background-size:800px 100%;animation:shimmer 1.5s infinite linear;display:block;flex-shrink:0}.skeleton-mt{margin-top:12px}.skeleton-mt-sm{margin-top:8px}.skeleton-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:20px}.skeleton-card__header{display:flex;align-items:center;gap:12px;margin-bottom:16px}.skeleton-card__header-text{flex:1;display:flex;flex-direction:column;gap:8px}.skeleton-card__footer{display:flex;gap:10px;margin-top:16px}.skeleton-profile{max-width:1100px;margin:0 auto;padding:80px 16px 40px}.skeleton-profile__hero{display:flex;gap:24px;align-items:flex-start;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:28px;margin-bottom:24px;flex-wrap:wrap}.skeleton-profile__hero-info{flex:1;min-width:200px;display:flex;flex-direction:column;gap:0}.skeleton-profile__actions{display:flex;gap:10px;margin-top:16px}.skeleton-profile__body{display:flex;flex-direction:column;gap:20px}.skeleton-profile__section{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:22px}.skeleton-profile__skills{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.skeleton-page{padding:80px 16px 40px;max-width:1200px;margin:0 auto}.skeleton-page__header{margin-bottom:32px}.skeleton-page__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}