:root {
  --bg:         #f7f5f2;
  --bg-sidebar: #f0ede8;
  --surface:    #ffffff;
  --border:     #e2dfd9;
  --text:       #1c1a18;
  --text-2:     #6b6760;
  --text-3:     #b5b2ac;
  --accent:     #b85c2c;
  --accent-dim: rgba(184,92,44,0.09);
  --err:        #b83232;
  --toolbar-h:  52px;
  --sidebar-w:  262px;
  --ease:       cubic-bezier(0.4,0,0.2,1);
}
[data-theme="dark"] {
  --bg:         #131110;
  --bg-sidebar: #1a1816;
  --surface:    #211f1d;
  --border:     #2e2c29;
  --text:       #e8e4de;
  --text-2:     #87837d;
  --text-3:     #4d4a47;
  --accent:     #d97040;
  --accent-dim: rgba(217,112,64,0.11);
  --err:        #e05555;
}

*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--text);
  font-family:'DM Sans',-apple-system,sans-serif;-webkit-font-smoothing:antialiased;
  transition:background 200ms var(--ease),color 200ms var(--ease)}

/* ── Login ───────────────────────────────── */
.login-body{display:flex;align-items:center;justify-content:center;overflow:auto}
.login-wrap{width:100%;max-width:340px;padding:24px}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:32px 28px 28px}
.login-mark{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:var(--text);letter-spacing:-0.01em;margin-bottom:22px;user-select:none}
.login-mark svg{width:16px;height:16px;color:var(--accent)}
.login-err{font-size:12px;color:var(--err);min-height:18px;margin-bottom:6px}
.login-err:empty{opacity:0}
.login-input{display:block;width:100%;padding:9px 12px;font-size:14px;font-family:inherit;background:var(--bg);border:1px solid var(--border);border-radius:7px;color:var(--text);outline:none;transition:border-color 150ms}
.login-input:focus{border-color:var(--accent)}
.login-btn{display:block;width:100%;margin-top:12px;padding:9px;font-size:13.5px;font-weight:500;font-family:inherit;background:var(--accent);color:#fff;border:none;border-radius:7px;cursor:pointer;transition:opacity 150ms,transform 100ms}
.login-btn:hover{opacity:.9}
.login-btn:active{transform:scale(0.985)}
.login-btn:disabled{opacity:.5;cursor:default}

/* ── Modal ───────────────────────────────── */
.modal-bg{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.35);opacity:0;pointer-events:none;transition:opacity 200ms var(--ease)}
.modal-bg.show{opacity:1;pointer-events:auto}
.modal-card{width:100%;max-width:360px;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:10px;transform:scale(0.96);transition:transform 200ms var(--ease)}
.modal-bg.show .modal-card{transform:scale(1)}
.modal-title{font-size:13px;font-weight:500;color:var(--text);margin-bottom:12px}
.modal-err{font-size:12px;color:var(--err);min-height:16px;margin:6px 0 2px}
.modal-err:empty{opacity:0}
.modal-row{display:flex;gap:8px;margin-top:12px}
.modal-cancel{flex:1;padding:8px;font-size:13px;font-family:inherit;background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--text-2);cursor:pointer;transition:all 120ms}
.modal-cancel:hover{border-color:var(--text-3);color:var(--text)}
.modal-save{flex:1;padding:8px;font-size:13px;font-family:inherit;background:var(--accent);border:none;border-radius:6px;color:#fff;cursor:pointer;font-weight:500;transition:opacity 120ms}
.modal-save:hover{opacity:.88}
.modal-save:disabled{opacity:.5;cursor:default}

/* ── Layout ──────────────────────────────── */
.layout{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100vh}

/* ── Sidebar ─────────────────────────────── */
.sidebar{display:flex;flex-direction:column;height:100vh;background:var(--bg-sidebar);border-right:1px solid var(--border);overflow:hidden}
.sidebar-header{display:flex;align-items:center;justify-content:space-between;height:var(--toolbar-h);padding:0 12px 0 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.app-mark{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:500;color:var(--text);letter-spacing:-0.01em;user-select:none}
.app-mark svg{width:14px;height:14px;color:var(--accent);flex-shrink:0}

.sidebar-sections{padding:6px;flex-shrink:0}
.section-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:6px;cursor:pointer;font-size:13px;color:var(--text-2);transition:all 120ms;border-left:2px solid transparent}
.section-item:hover{background:rgba(0,0,0,0.035);color:var(--text)}
[data-theme="dark"] .section-item:hover{background:rgba(255,255,255,0.035)}
.section-item.active{background:var(--surface);color:var(--text);border-left-color:var(--accent)}
.section-item svg{width:14px;height:14px;flex-shrink:0;stroke-width:1.75}
.section-item span:nth-child(2){flex:1}

.sidebar-divider{height:1px;background:var(--border);margin:4px 12px}

.feeds-list{flex:1;overflow-y:auto;padding:6px;scrollbar-width:none}
.feeds-list::-webkit-scrollbar{display:none}

.sidebar-footer{border-top:1px solid var(--border);padding:8px;flex-shrink:0;display:flex;gap:2px;justify-content:flex-end}

.sidebar-loading,.sidebar-error{padding:24px 14px;text-align:center;color:var(--text-3);font-size:12.5px}
.empty-state-small{padding:24px 14px;text-align:center;color:var(--text-3);font-size:12.5px;line-height:1.6}

/* ── Feed items ──────────────────────────── */
.feed-item{display:flex;align-items:center;gap:4px;padding:7px 8px 7px 10px;border-radius:6px;cursor:pointer;border-left:2px solid transparent;transition:background 120ms,border-color 120ms}
.feed-item:hover{background:rgba(0,0,0,0.035)}
[data-theme="dark"] .feed-item:hover{background:rgba(255,255,255,0.035)}
.feed-item.active{background:var(--surface);border-left-color:var(--accent)}
.feed-item-body{display:flex;align-items:center;gap:7px;flex:1;min-width:0}
.feed-item-favicon{display:flex;align-items:center;flex-shrink:0;width:14px;height:14px}
.feed-item-favicon img{border-radius:2px;object-fit:contain}
.feed-favicon-fallback{width:14px;height:14px;color:var(--text-3)}
.feed-favicon-fallback svg{width:12px;height:12px;stroke-width:1.75}
.feed-item-title{font-size:12.5px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.feed-item.active .feed-item-title{color:var(--accent)}

.del-feed-btn{opacity:0;display:flex;align-items:center;justify-content:center;width:18px;height:18px;border:none;background:transparent;color:var(--text-3);cursor:pointer;border-radius:3px;flex-shrink:0;padding:0;transition:all 120ms}
.feed-item:hover .del-feed-btn{opacity:1}
.del-feed-btn:hover{background:var(--accent-dim);color:var(--accent)}
.del-feed-btn svg{width:11px;height:11px;stroke-width:1.75}

/* ── Unread badge ────────────────────────── */
.unread-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--accent-dim);color:var(--accent);font-size:10.5px;font-weight:500;flex-shrink:0}

/* ── Buttons ─────────────────────────────── */
.icon-btn{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:none;border-radius:5px;background:transparent;color:var(--text-2);cursor:pointer;text-decoration:none;transition:all 120ms;flex-shrink:0}
.icon-btn:hover{background:var(--surface);color:var(--text)}
.icon-btn svg{width:15px;height:15px;stroke-width:1.75}
.icon-btn.saved-on{color:var(--accent)}
.logout-btn:hover{color:var(--err) !important}

.spinning svg{animation:spin 0.8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Main pane ───────────────────────────── */
.main-pane{display:grid;grid-template-columns:340px 1fr;height:100vh;overflow:hidden;position:relative}

/* ── Article list pane ───────────────────── */
.article-list-pane{display:flex;flex-direction:column;height:100vh;border-right:1px solid var(--border);overflow:hidden}
.main-toolbar{display:flex;align-items:center;height:var(--toolbar-h);padding:0 16px;border-bottom:1px solid var(--border);gap:6px;flex-shrink:0}
.main-toolbar-title{flex:1;font-size:13px;font-weight:500;color:var(--text);letter-spacing:-0.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-list{flex:1;overflow-y:auto;scrollbar-width:none;min-height:0}
.article-list::-webkit-scrollbar{display:none}
.articles-loading{padding:24px;text-align:center;color:var(--text-3);font-size:12.5px}

/* ── Article items ───────────────────────── */
.article-item{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background 120ms;position:relative}
.article-item:hover{background:var(--bg-sidebar)}
.article-item.read .article-item-title{color:var(--text-2);font-weight:400}
.article-item.read .unread-dot{opacity:0}
.unread-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0;margin-top:5px}
.read-placeholder{width:6px;height:6px;flex-shrink:0}
.article-item-body{flex:1;min-width:0}
.article-item-title{font-size:13.5px;font-weight:500;color:var(--text);line-height:1.4;margin-bottom:3px;letter-spacing:-0.01em}
.article-item-meta{font-size:11.5px;color:var(--text-3);margin-bottom:4px}
.article-item-summary{font-size:12.5px;color:var(--text-2);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-saved-mark{color:var(--accent);flex-shrink:0;margin-top:3px}
.article-saved-mark svg{width:12px;height:12px}

/* ── Empty state ─────────────────────────── */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:14px;color:var(--text-3);font-size:13.5px;padding:40px 20px;text-align:center}
.empty-state svg{width:28px;height:28px;opacity:0.35}

/* ── Reader pane ─────────────────────────── */
.article-reader-pane{display:flex;flex-direction:column;height:100vh;overflow:hidden}
.article-reader-scroll{flex:1;overflow-y:scroll;scrollbar-width:none;min-height:0}
.article-reader-scroll::-webkit-scrollbar{display:none}
.article-reader-body{max-width:680px;margin:0 auto;padding:40px 40px 100px}

/* ── Reader typography ───────────────────── */
.reader-title{font-family:'Lora',Georgia,serif;font-size:26px;font-weight:500;color:var(--text);line-height:1.3;letter-spacing:-0.02em;margin-bottom:12px}
.reader-meta{font-size:12px;color:var(--text-3);margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.reader-content{font-family:'Lora',Georgia,serif;font-size:16.5px;color:var(--text);line-height:1.85;letter-spacing:0.005em}
.reader-content p{margin-bottom:1.2em}
.reader-content p:last-child{margin-bottom:0}
.reader-content h1,.reader-content h2,.reader-content h3{font-family:'DM Sans',sans-serif;font-weight:500;margin:1.8em 0 0.6em;color:var(--text)}
.reader-content h1{font-size:20px}
.reader-content h2{font-size:18px}
.reader-content h3{font-size:16px}
.reader-content a{color:var(--accent);text-decoration:none;border-bottom:1px solid var(--accent-dim)}
.reader-content a:hover{border-bottom-color:var(--accent)}
.reader-content img{max-width:100%;border-radius:6px;margin:1em 0;height:auto}
.reader-content blockquote{border-left:2px solid var(--accent);padding-left:16px;margin:1.2em 0;color:var(--text-2);font-style:italic}
.reader-content pre,.reader-content code{font-family:ui-monospace,monospace;font-size:14px;background:var(--bg-sidebar);border:1px solid var(--border);border-radius:4px;padding:2px 6px}
.reader-content pre{padding:14px;overflow-x:auto;line-height:1.5}
.reader-content pre code{background:none;border:none;padding:0}
.reader-content ul,.reader-content ol{padding-left:1.5em;margin-bottom:1.2em}
.reader-content li{margin-bottom:0.4em}
.reader-footer{margin-top:48px;padding-top:24px;border-top:1px solid var(--border)}
.reader-link{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--accent);text-decoration:none;font-family:'DM Sans',sans-serif}
.reader-link:hover{opacity:0.8}

/* ── Custom scrollbar ────────────────────── */
.custom-scrollbar{position:fixed;top:var(--toolbar-h);right:0;width:3px;height:calc(100vh - var(--toolbar-h));z-index:200;pointer-events:none}
.custom-scrollbar-thumb{position:absolute;right:0;width:3px;background:var(--text-3);border-radius:2px;opacity:0;transition:opacity 200ms var(--ease);pointer-events:auto;cursor:pointer}
.custom-scrollbar.scrolling .custom-scrollbar-thumb,.custom-scrollbar:hover .custom-scrollbar-thumb{opacity:0.5}
.custom-scrollbar-thumb:hover{opacity:0.8 !important;width:5px;right:-1px;transition:opacity 150ms,width 150ms,right 150ms}

/* ── Mobile back ─────────────────────────── */
.mobile-back{display:none}

/* ── Mobile ──────────────────────────────── */
@media (max-width:900px) {
  .main-pane{grid-template-columns:1fr}
  .article-list-pane{position:absolute;inset:0;background:var(--bg);z-index:2;transform:translateX(-100%);transition:transform 300ms var(--ease);border-right:none}
  .article-list-pane.visible{transform:translateX(0)}
  .article-reader-pane{position:absolute;inset:0;background:var(--bg);z-index:3;transform:translateX(100%);transition:transform 300ms var(--ease)}
  .article-reader-pane.visible{transform:translateX(0)}
  .custom-scrollbar{display:none}
}

@media (max-width:720px) {
  .mobile-back{display:flex}
  .layout{display:block;position:relative;height:100vh;overflow:hidden}
  .sidebar{position:absolute;inset:0;width:100%;z-index:10;border-right:none;transform:translateX(0);transition:transform 300ms var(--ease)}
  .sidebar.mobile-hidden{transform:translateX(-100%)}
}