:root{--bg-brand: #5865F2;--bg-brand-hover: #4752c4;--bg-brand-gradient: linear-gradient(90deg, #5865F2, #4752c4);--bg-primary: #313338;--bg-secondary: #2b2d31;--bg-tertiary: #1e1f22;--bg-modifier-hover: #36373c;--bg-modifier-active: #3f4147;--bg-card: #383a40;--bg-input: #1e1f22;--bg-modal: #2b2d31;--text-normal: #dbdee1;--text-muted: #949ba4;--text-secondary: #949ba4;--text-link: #00a8fc;--text-positive: #23a55a;--text-danger: #f23f42;--text-warning: #f0b232;--text-brand: #5865F2;--interactive-normal: #949ba4;--interactive-hover: #dbdee1;--interactive-active: #fff;--interactive-muted: #80848e;--status-online: #23a55a;--status-idle: #f0b232;--status-dnd: #f23f42;--status-offline: #80848e;--border-subtle: #3f4147;--border-strong: #4e5058;--border-brand: #5865F2;--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-round: 9999px;--font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .24);--shadow-md: 0 4px 12px rgba(0, 0, 0, .32);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);font-size:16px;line-height:1.5;color:var(--text-normal);background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh;overflow-x:hidden}a{color:var(--text-link);text-decoration:none}a:hover{text-decoration:underline}::selection{background-color:var(--bg-brand);color:#fff}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-modifier-active);border-radius:var(--radius-round)}.container{max-width:800px;margin:0 auto;padding:0 16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border:none;border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:14px;font-weight:500;line-height:18px;cursor:pointer;transition:background-color .15s,opacity .15s,transform .1s}.btn:active{transform:translateY(1px)}.btn-brand{background-color:var(--bg-brand);color:#fff}.btn-brand:hover{background-color:var(--bg-brand-hover)}.btn-danger{background-color:var(--status-dnd);color:#fff}.btn-danger:hover{background-color:#c72e31}.btn-ghost{background:transparent;color:var(--text-normal)}.btn-ghost:hover{background-color:var(--bg-modifier-hover)}.btn-sm{padding:4px 8px;font-size:12px}.btn-icon{padding:6px;width:32px;height:32px}input[type=text],input[type=password],textarea{width:100%;padding:10px 12px;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background-color:var(--bg-input);color:var(--text-normal);font-family:var(--font-sans);font-size:14px;line-height:1.3;outline:none;transition:border-color .15s}input:focus,textarea:focus{border-color:var(--bg-brand)}textarea{resize:vertical;min-height:100px}.card{background-color:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:20px;transition:border-color .15s}.card:hover{border-color:var(--border-strong)}.timestamp{color:var(--text-muted);font-size:11px;font-weight:500;letter-spacing:.02em}.page-header{margin-bottom:24px}.page-header h1{font-size:24px;font-weight:700;color:var(--text-normal);margin-bottom:4px}.page-header p{color:var(--text-secondary);font-size:14px}.app-shell{display:flex;height:100vh;overflow:hidden}.app-main{flex:1;overflow-y:auto;padding:32px 40px 64px;background-color:var(--bg-primary)}.app-main-inner{max-width:720px}.sidebar{width:240px;flex-shrink:0;background-color:var(--bg-secondary);display:flex;flex-direction:column;border-right:1px solid var(--border-subtle)}.sidebar-header{height:48px;display:flex;align-items:center;padding:0 16px;border-bottom:1px solid var(--border-subtle);box-shadow:var(--shadow-sm)}.sidebar-logo{font-size:16px;font-weight:700;color:var(--text-normal)!important;text-decoration:none!important}.sidebar-nav{flex:1;overflow-y:auto;padding:12px 8px}.sidebar-category{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);padding:6px 8px 8px}.sidebar-channel{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:var(--radius-sm);color:var(--interactive-normal)!important;font-size:14px;font-weight:500;text-decoration:none!important;cursor:pointer;transition:color .1s,background-color .1s}.sidebar-channel:hover{color:var(--interactive-hover)!important;background-color:var(--bg-modifier-hover)}.sidebar-channel.active{color:var(--interactive-active)!important;background-color:var(--bg-modifier-active)}.channel-icon{font-size:18px;font-weight:700;color:var(--interactive-muted);width:20px;text-align:center;flex-shrink:0}.sidebar-channel.active .channel-icon{color:var(--interactive-active)}.sidebar-channel:hover .channel-icon{color:var(--interactive-hover)}.home-avatar{width:96px;height:96px;border-radius:var(--radius-round);background:var(--bg-brand-gradient);display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700;color:#fff;margin-bottom:16px;-webkit-user-select:none;user-select:none}.home-section{margin-top:32px}.home-section-title{font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);margin-bottom:12px}.home-links{display:flex;gap:8px;flex-wrap:wrap}.home-link{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);background-color:var(--bg-card);color:var(--text-normal)!important;font-size:14px;text-decoration:none!important;border:1px solid var(--border-subtle);transition:border-color .15s,background-color .15s}.home-link:hover{border-color:var(--bg-brand);background-color:var(--bg-modifier-hover)}.guestbook-form{margin-bottom:24px}.guestbook-form input,.guestbook-form textarea{margin-bottom:8px}.guestbook-item{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--border-subtle)}.guestbook-item:last-child{border-bottom:none}.guestbook-avatar{width:40px;height:40px;border-radius:var(--radius-round);background-color:var(--bg-modifier-active);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:14px;font-weight:600;color:var(--text-normal);-webkit-user-select:none;user-select:none}.guestbook-body{flex:1;min-width:0}.guestbook-header{display:flex;align-items:baseline;gap:8px;margin-bottom:4px}.guestbook-nickname{font-size:14px;font-weight:600;color:var(--text-normal)}.guestbook-content{font-size:14px;color:var(--text-normal);line-height:1.5;word-break:break-word;white-space:pre-wrap}.article-list{display:flex;flex-direction:column;gap:12px}.article-card{display:block;padding:20px;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background-color:var(--bg-card);color:var(--text-normal)!important;text-decoration:none!important;transition:border-color .15s}.article-card:hover{border-color:var(--border-brand)}.article-card-title{font-size:16px;font-weight:600;margin-bottom:6px}.article-card-summary{font-size:14px;color:var(--text-secondary);line-height:1.5}.article-card-date{font-size:11px;color:var(--text-muted);margin-top:8px}.article-content{font-size:15px;line-height:1.8;color:var(--text-normal)}.article-content p{margin-bottom:16px}.article-content h2{font-size:20px;font-weight:700;margin:24px 0 12px}.article-content h3{font-size:17px;font-weight:600;margin:20px 0 8px}.article-content code{font-family:var(--font-mono);font-size:13px;background-color:var(--bg-tertiary);padding:2px 6px;border-radius:var(--radius-xs)}.article-content pre{background-color:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:16px;overflow-x:auto;margin-bottom:16px}.article-content pre code{background:none;padding:0}.comment-section{margin-top:48px;padding-top:24px;border-top:1px solid var(--border-subtle)}.comment-section-title{font-size:16px;font-weight:600;margin-bottom:16px;color:var(--text-normal)}.comment-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border-subtle)}.comment-item:last-child{border-bottom:none}.admin-login{max-width:400px;margin:0 auto}.admin-login input{margin-bottom:12px}.admin-list{display:flex;flex-direction:column;gap:12px}.admin-entry{display:flex;align-items:flex-start;gap:12px;background-color:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:16px}.admin-entry-info{flex:1;min-width:0}.admin-entry-text{font-size:14px;margin-bottom:4px;word-break:break-word}.admin-entry-meta{font-size:11px;color:var(--text-muted)}.empty-state{text-align:center;padding:48px 16px;color:var(--text-muted)}.empty-state p{font-size:14px}