:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172033;background:#f6f7f9;--card:#fff;--line:#e3e6eb;--muted:#758096;--accent:#355c91;--soft:#eef3f9;--shadow:0 10px 35px rgba(25,38,58,.07)}*{box-sizing:border-box}body{margin:0;background:var(--bg,#f6f7f9);color:var(--text,#172033)}button,input,textarea{font:inherit}button{cursor:pointer;border:0}.topbar{height:66px;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(22px,calc((100vw - 760px)/2));position:sticky;top:0;z-index:20}.wordmark{font-weight:750;letter-spacing:-.02em;color:inherit;text-decoration:none}.top-actions{display:flex;align-items:center;gap:6px}.icon-btn,.ghost-btn{background:transparent;color:#62708a;padding:9px 11px;border-radius:10px}.icon-btn:hover,.ghost-btn:hover{background:var(--soft)}.shell{width:min(700px,calc(100% - 30px));margin:28px auto 90px}.compose-card{width:100%;text-align:left;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:17px 20px;color:#758096;display:flex;align-items:center;gap:12px}.compose-card:hover{border-color:#cbd4e1}.plus{font-size:23px;color:var(--accent)}.timeline{margin-top:22px}.post{background:var(--card);border:1px solid var(--line);border-radius:17px;padding:22px 22px 17px;margin-bottom:18px;box-shadow:0 6px 25px rgba(25,38,58,.045)}.post-body{font-size:16px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}.post-image{display:block;width:100%;max-height:600px;object-fit:cover;border-radius:13px;margin:17px 0 3px;cursor:zoom-in}.post-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:15px;color:var(--muted);font-size:13px}.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.tag{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:650;background:color-mix(in srgb,var(--tag-color) 12%,white);color:var(--tag-color);border:1px solid color-mix(in srgb,var(--tag-color) 24%,white)}.post-tools{display:flex;gap:3px}.post-tools button{background:transparent;color:#8290a5;border-radius:8px;padding:6px}.post-tools button:hover{background:var(--soft)}.search-box{margin-top:10px;display:flex;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}.search-box input{flex:1;border:0;background:transparent;padding:12px 14px;outline:none}.search-box button{background:transparent;padding:0 13px;color:var(--muted)}.empty{text-align:center;padding:80px 20px;color:var(--muted)}.empty h2{color:var(--text);margin:12px 0 6px}.empty-mark{font-size:28px}.bottom-nav{position:fixed;bottom:14px;left:50%;transform:translateX(-50%);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:999px;padding:5px;display:flex;gap:3px;z-index:30}.bottom-nav button{background:transparent;color:var(--muted);border-radius:999px;padding:9px 15px}.bottom-nav .nav-active{background:var(--soft);color:var(--accent);font-weight:700}.modal{position:fixed;inset:0;background:rgba(13,21,34,.42);display:grid;place-items:center;padding:18px;z-index:50}.modal-card{width:min(680px,100%);max-height:92vh;overflow:auto;background:var(--card);border-radius:20px;padding:25px;box-shadow:0 25px 80px rgba(0,0,0,.18);position:relative}.modal-card.small{width:min(520px,100%)}.modal-close{position:absolute;right:17px;top:14px;background:transparent;color:var(--muted);font-size:25px}.modal h2{margin:0 30px 20px 0;font-size:20px}label{display:block;font-size:13px;font-weight:700;color:#58667c;margin-bottom:15px}input,textarea{width:100%;border:1px solid var(--line);border-radius:11px;background:var(--card);color:inherit;padding:11px 12px;margin-top:7px;outline:none}textarea{resize:vertical;line-height:1.55}input:focus,textarea:focus{border-color:#9eb2cd;box-shadow:0 0 0 3px rgba(53,92,145,.08)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:8px}.primary{background:var(--accent);color:#fff;border-radius:10px;padding:11px 17px;font-weight:700}.full{width:100%}.upload-btn{display:inline-flex;align-items:center;background:var(--soft);color:var(--accent);border-radius:10px;padding:10px 13px;cursor:pointer}.image-previews{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:4px 0 15px}.image-preview{position:relative}.image-preview img{width:100%;height:115px;object-fit:cover;border-radius:10px}.image-preview button{position:absolute;right:5px;top:5px;border-radius:50%;width:25px;height:25px;background:rgba(0,0,0,.6);color:#fff}.tag-chips{display:flex;flex-wrap:wrap;gap:6px;margin:-4px 0 12px}.tag-chip{display:flex;align-items:center;gap:5px;background:var(--soft);border-radius:999px;padding:5px 9px;font-size:12px}.tag-chip button{background:transparent;color:var(--muted)}#tagList{margin-bottom:20px}.tag-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}.tag-row-actions button{background:transparent;color:var(--muted);padding:5px}.notice{padding:11px;border-radius:10px;margin-bottom:15px;font-size:13px}.notice.error{background:#fff0f0;color:#a33}.notice.success{background:#eef9f0;color:#28713a}.hidden{display:none!important}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(390px,100%);background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:var(--shadow)}.login-card h1{margin:12px 0 5px;letter-spacing:-.03em}.muted{color:var(--muted)}.brand-mark{width:42px;height:42px;border-radius:13px;background:var(--accent);color:white;display:grid;place-items:center;font-weight:800;font-size:20px}.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.88);display:grid;place-items:center;z-index:100;padding:30px}.lightbox img{max-width:95vw;max-height:90vh;object-fit:contain}.lightbox button{position:absolute;right:22px;top:15px;color:white;background:transparent;font-size:35px}.dark{--bg:#10151d;--text:#edf1f7;--card:#171e28;--line:#2b3544;--muted:#9ca8b9;--soft:#202a38;--accent:#83a7d8}.dark .topbar{background:rgba(23,30,40,.9)}.dark .tag{background:color-mix(in srgb,var(--tag-color) 18%,#171e28);border-color:color-mix(in srgb,var(--tag-color) 40%,#171e28)}@media(max-width:620px){.shell{width:min(100% - 18px,700px);margin-top:18px}.post{padding:18px 16px}.field-row{grid-template-columns:1fr}.topbar{padding:0 12px}.image-previews{grid-template-columns:repeat(2,1fr)}.modal-card{padding:20px}.post-meta{align-items:flex-start}.form-actions{align-items:stretch;flex-direction:column}.form-actions .primary{width:100%}}