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var(--border);border-radius:var(--radius-lg);padding:20px;display:flex;flex-direction:column;gap:10px}.sidebar-card--profile{align-items:flex-start}.sidebar-card__icon{font-size:1.5rem}.sidebar-card__title{font-size:1rem;font-weight:700;color:var(--text-primary)}.sidebar-card__desc{font-size:.85rem;color:var(--text-secondary);line-height:1.5}.sidebar-card__actions{display:flex;flex-direction:column;gap:8px;margin-top:4px}.sidebar-profile__name{font-size:.95rem;font-weight:600;color:var(--text-primary)}.sidebar-profile__email{font-size:.8rem;color:var(--text-muted)}.sidebar-tips{background:var(--accent-light);border:1px solid var(--accent-muted);border-radius:var(--radius-lg);padding:16px 18px}.sidebar-tips__title{font-size:.875rem;font-weight:600;color:var(--accent);margin-bottom:10px;display:flex;align-items:center;gap:6px}.sidebar-tips__list{list-style:none;display:flex;flex-direction:column;gap:6px}.sidebar-tips__list li{font-size:.825rem;color:var(--accent);padding-left:14px;position:relative}.sidebar-tips__list li:before{content:"→";position:absolute;left:0;opacity:.6}[data-theme=dark] .sidebar-tips{background:#2563eb1a;border-color:#2563eb33}[data-theme=dark] .sidebar-tips__title,[data-theme=dark] .sidebar-tips__list li{color:#93c5fd}.feed-tag-filter{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--accent-light);border:1px solid var(--accent-muted);border-radius:var(--radius-md);font-size:.875rem;color:var(--accent);font-weight:500}.feed-tag-filter__clear{display:inline-flex;align-items:center;gap:4px;margin-left:auto;background:none;border:none;cursor:pointer;font-size:.8rem;font-weight:600;color:var(--accent);padding:3px 8px;border-radius:var(--radius-sm)}.feed-tag-filter__clear:hover{background:var(--accent-muted)}@media (max-width: 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var(--border);border-radius:var(--radius-lg);margin-bottom:24px}.profile-posts{display:flex;flex-direction:column;gap:16px}.profile-posts__title{font-size:1.05rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:10px}.profile-posts__count{font-size:.8rem;font-weight:600;color:var(--text-muted);background:var(--bg-hover);border:1px solid var(--border);border-radius:99px;padding:2px 10px}.profile-empty{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px}.profile-empty span{font-size:2rem}.profile-empty p{font-size:.9rem;color:var(--text-secondary)}@media (max-width: 600px){.profile-card{padding:16px}.profile-card__top{flex-direction:column;align-items:center;text-align:center;gap:12px}.profile-card__info{width:100%}.profile-card__actions{flex-direction:row;justify-content:center;width:100%}.profile-card__actions 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var(--border)}.create-card__name{font-size:.9rem;font-weight:600;color:var(--text-primary)}.create-card__badge{font-size:.775rem;color:var(--text-muted)}.create-form{display:flex;flex-direction:column;gap:16px}.create-content-wrapper{position:relative}.create-textarea{width:100%;padding:14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text-primary);font-size:1rem;line-height:1.65;resize:vertical;min-height:140px;transition:border-color .15s,box-shadow .15s;font-family:var(--font-sans)}.create-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light);outline:none}.create-textarea--error{border-color:var(--red)!important;box-shadow:0 0 0 3px var(--red-light)!important}.create-textarea::placeholder{color:var(--text-muted)}.create-counter{position:absolute;bottom:10px;right:12px;font-size:.775rem;font-family:var(--font-mono);color:var(--text-muted);pointer-events:none}.create-counter--warning{color:var(--orange)}.create-counter--error{color:var(--red);font-weight:600}.create-label-hint{font-size:.8rem;color:var(--text-muted);font-weight:400}.create-tag-preview{display:flex;flex-wrap:wrap;gap:6px;padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm)}.create-actions{display:flex;justify-content:flex-end;gap:10px;padding-top:4px}.create-tips{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.create-tips__title{font-size:.875rem;font-weight:600;color:var(--text-secondary);margin-bottom:14px}.create-tips__grid{display:grid;grid-template-columns:1fr 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.btn{width:100%;justify-content:center}}.explore-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.explore-title{font-size:1.6rem;font-weight:800;letter-spacing:-.5px;color:var(--text-primary)}.explore-sub{font-size:.875rem;color:var(--text-muted);margin-top:4px}.explore-search{display:flex;align-items:center;gap:12px;margin-bottom:16px}.explore-search__input-wrap{position:relative;flex:1}.explore-search__icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.explore-search__input{padding-left:42px!important;padding-right:38px!important}.explore-search__clear{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--text-muted);display:flex;padding:2px}.explore-search__clear:hover{color:var(--text-primary)}.explore-count{font-size:.82rem;color:var(--text-muted);margin-bottom:20px}.explore-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.explore-user-card{background:var(--bg-card);border:1px 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ease}.explore-user-card:hover{box-shadow:var(--shadow-md);border-color:var(--border-strong);transform:translateY(-2px)}.explore-user-card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.explore-user-card__avatar-link{text-decoration:none}.explore-user-card__name{font-size:.95rem;font-weight:700;color:var(--text-primary);text-decoration:none;line-height:1.3}.explore-user-card__name:hover{color:var(--accent)}.explore-user-card__bio{font-size:.82rem;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.explore-user-card__skills{display:flex;flex-wrap:wrap;gap:5px;margin-top:4px}.explore-user-card__meta{display:flex;align-items:center;gap:12px;margin-top:4px;font-size:.78rem;color:var(--text-muted)}.explore-user-card__github{display:flex;align-items:center;gap:4px;color:var(--text-muted);text-decoration:none}.explore-user-card__github:hover{color:var(--text-primary)}.explore-empty{text-align:center;padding:64px 0;display:flex;flex-direction:column;align-items:center;gap:8px}.explore-empty h3{font-size:1.1rem;font-weight:700;color:var(--text-primary)}.explore-empty p{font-size:.875rem;color:var(--text-muted)}@media (max-width: 640px){.explore-header{flex-direction:column;gap:8px}.explore-grid{grid-template-columns:1fr 1fr}.explore-user-card{padding:14px}}@media (max-width: 420px){.explore-grid{grid-template-columns:1fr}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f7f7f5;--bg-card: #ffffff;--bg-hover: #f0f0ec;--border: #e8e8e4;--border-strong: #d0d0c8;--text-primary: #1a1a18;--text-secondary: #6b6b65;--text-muted: #9c9c96;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-light: #eff6ff;--accent-muted: #bfdbfe;--green: #16a34a;--green-light: #dcfce7;--red: #dc2626;--red-light: #fee2e2;--orange: #ea580c;--orange-light: #fff7ed;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);--shadow-lg: 0 8px 24px rgba(0,0,0,.1), 0 4px 10px rgba(0,0,0,.06);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--nav-height: 64px}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}body{font-family:var(--font-sans);background-color:var(--bg);color:var(--text-primary);line-height:1.6;min-height:100vh}a{color:inherit;text-decoration:none}button{font-family:var(--font-sans);cursor:pointer;border:none;outline:none}input,textarea{font-family:var(--font-sans);outline:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:99px}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fadeIn .3s ease forwards}.slide-in{animation:slideIn .3s ease forwards}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}.page-container{min-height:calc(100vh - var(--nav-height));padding-top:calc(var(--nav-height) + 24px);padding-bottom:60px}.container{max-width:680px;margin:0 auto;padding:0 16px}.container--wide{max-width:900px;margin:0 auto;padding:0 16px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;transition:all .15s ease;white-space:nowrap}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:active{transform:translateY(0)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary)}.btn-danger{background:var(--red-light);color:var(--red)}.btn-danger:hover{background:var(--red);color:#fff}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.btn-sm{padding:6px 12px;font-size:.82rem}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:.875rem;font-weight:500;color:var(--text-secondary)}.form-input{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text-primary);font-size:.95rem;transition:border-color .15s ease,box-shadow .15s ease}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.form-input::placeholder{color:var(--text-muted)}textarea.form-input{resize:vertical;min-height:100px}.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500}.alert-error{background:var(--red-light);color:var(--red);border:1px solid #fca5a5}.alert-success{background:var(--green-light);color:var(--green);border:1px solid #86efac}.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:99px;font-size:.775rem;font-weight:500;font-family:var(--font-mono);background:var(--accent-light);color:var(--accent)}.tag--link{cursor:pointer;transition:background .15s ease,color .15s ease;text-decoration:none}.tag--link:hover{background:var(--accent);color:#fff}[data-theme=dark] .tag{background:#2563eb26;color:#93c5fd}[data-theme=dark] .tag--link:hover{background:var(--accent);color:#fff}.avatar{border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0;background:linear-gradient(135deg,var(--accent) 0%,#7c3aed 100%);color:#fff}.avatar-sm{width:36px;height:36px;font-size:.875rem}.avatar-md{width:48px;height:48px;font-size:1.1rem}.avatar-lg{width:72px;height:72px;font-size:1.6rem}.avatar-xl{width:96px;height:96px;font-size:2rem}.skeleton{background:linear-gradient(90deg,var(--border) 25%,var(--bg-hover) 50%,var(--border) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}[data-theme=dark]{--bg: #0f0f0e;--bg-card: #1a1a18;--bg-hover: #242420;--border: #2a2a26;--border-strong: #3a3a36;--text-primary: #f0f0ec;--text-secondary: #a0a09a;--text-muted: #6b6b65;--accent-light: #1e3a6e;--accent-muted: #1e40af;--green-light: #14532d;--red-light: #7f1d1d;--orange-light: #431407;--shadow-sm: 0 1px 3px rgba(0,0,0,.3), 0 1px 2px rgba(0,0,0,.2);--shadow-md: 0 4px 12px rgba(0,0,0,.4), 0 2px 6px rgba(0,0,0,.2);--shadow-lg: 0 8px 24px rgba(0,0,0,.5), 0 4px 10px rgba(0,0,0,.3)}@keyframes toastIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes toastOut{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(100%)}}.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);font-size:.875rem;font-weight:500;min-width:260px;max-width:360px;pointer-events:all;animation:toastIn .3s ease forwards;border:1px solid transparent}.toast--success{background:var(--bg-card);color:var(--green);border-color:#86efac}[data-theme=dark] .toast--success{border-color:#166534}.toast--error{background:var(--bg-card);color:var(--red);border-color:#fca5a5}[data-theme=dark] .toast--error{border-color:#991b1b}.toast--info{background:var(--bg-card);color:var(--accent);border-color:var(--accent-muted)}.toast__icon{flex-shrink:0;display:flex}.toast__message{flex:1}.toast__close{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:2px;display:flex;flex-shrink:0}.toast__close:hover{color:var(--text-primary)}@media (max-width: 640px){.container,.container--wide{padding:0 12px}.page-container{padding-top:calc(var(--nav-height) + 16px)}.toast-container{bottom:16px;right:12px;left:12px}.toast{min-width:unset;max-width:100%}}