.header{background:rgba(255,255,255,.55);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid rgba(139,92,246,.08);position:sticky;top:0;z-index:50}.header-left{display:flex;align-items:center;gap:12px}.header-right{display:flex;align-items:center;gap:14px;flex-shrink:0}.hamburger{cursor:pointer;font-size:17px;color:var(--text2,#4a4770);padding:7px;border-radius:9px;transition:background .2s}.hamburger:hover{background:var(--bg,#e8e6f0)}.header-icon{position:relative;cursor:pointer;font-size:17px;color:var(--text2,#4a4770);padding:6px;border-radius:9px;transition:all .2s}.header-icon:hover{color:var(--accent,#7c3aed);background:var(--accent-bg,rgba(124,58,237,.06))}.header-icon .notif-badge{position:absolute;top:-3px;right:-4px;background:var(--red,#ff3b30);color:#fff;font-size:10px;width:15px;height:15px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;border:2px solid #fff}.service-tag{background:var(--accent-bg,rgba(124,58,237,.06));color:var(--accent,#7c3aed);font-size:13px;padding:5px 12px;border-radius:20px;display:flex;align-items:center;gap:5px;font-weight:500;white-space:nowrap}.user-info{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:var(--text2,#4a4770);padding:5px 10px;border-radius:20px;transition:background .2s;white-space:nowrap;position:relative}.user-info:hover{background:var(--bg,#eee)}.user-avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:600;flex-shrink:0}.user-balance{color:var(--red,#ff3b30);font-weight:600}.user-dropdown{display:none;position:absolute;right:0;top:calc(100% + 8px);width:260px;background:var(--surface,#fff);border-radius:16px;box-shadow:0 8px 32px rgba(0,0,0,.12);border:1px solid var(--border,rgba(139,92,246,.1));z-index:999;padding:20px 0 10px}.user-dropdown.show{display:block}.user-dropdown::before{content:'';position:absolute;top:-6px;right:24px;width:12px;height:12px;background:var(--surface,#fff);border:1px solid var(--border,rgba(139,92,246,.1));border-bottom:0;border-right:0;transform:rotate(45deg)}.ud-header{text-align:center;padding:0 20px 16px;border-bottom:1px solid var(--border,rgba(139,92,246,.1))}.ud-avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:700;margin:0 auto 10px}.ud-email{font-size:14px;color:var(--text,#1e1b4b);font-weight:500}.ud-upgrade{display:inline-block;margin-top:10px;padding:8px 48px;border-radius:8px;background:linear-gradient(90deg,#1677ff,#4096ff);color:#fff;font-size:14px;font-weight:600;border:none;cursor:pointer}.ud-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:16px 12px}.ud-item{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 4px;border-radius:12px;cursor:pointer;transition:background .2s}.ud-item:hover{background:var(--surface2,#f2f0f8)}.ud-item .ud-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px}.ud-item .ud-label{font-size:12px;color:var(--text2,#4a4770);white-space:nowrap}.ud-icon.ic-blue{background:#e6f4ff;color:#1677ff}.ud-icon.ic-green{background:#f0fdf4;color:#52c41a}.ud-icon.ic-orange{background:#fff7e6;color:#fa8c16}.ud-icon.ic-purple{background:#f3e8ff;color:#af52de}.ud-icon.ic-red{background:#fff1f0;color:#ff4d4f}.ud-icon.ic-cyan{background:#e6fffb;color:#13c2c2}.ud-icon.ic-pink{background:#fff0f6;color:#eb2f96}.ud-icon.ic-gray{background:#f5f5f5;color:#8c8c8c}.ud-icon.ic-indigo{background:#f0f5ff;color:#2f54eb}.dropdown-overlay{display:none;position:fixed;inset:0;z-index:998}.dropdown-overlay.show{display:block}body.dark .header{background:rgba(26,27,36,.88);border-bottom-color:rgba(139,92,246,.06)}body.dark .service-tag{background:rgba(99,102,241,.1);color:#818cf8}