:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-card: #1c2333;--border-color: #30363d;--text-primary: #c9d1d9;--text-secondary: #8b949e;--accent: #58a6ff;--accent-hover: #79c0ff;--danger: #f85149}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-container{width:380px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:40px 32px;box-shadow:0 8px 32px #0006}.login-logo{text-align:center;margin-bottom:32px}.login-logo .icon{font-size:48px}.login-logo h1{font-size:22px;font-weight:600;margin-top:8px}.login-logo p{font-size:13px;color:var(--text-secondary);margin-top:4px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-group input{width:100%;padding:10px 14px;border:1px solid var(--border-color);border-radius:8px;background:var(--bg-secondary);color:var(--text-primary);font-size:14px;outline:none;transition:border-color .2s}.form-group input:focus{border-color:var(--accent)}.btn-login{width:100%;padding:11px;border:none;border-radius:8px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s}.btn-login:hover{background:var(--accent-hover)}.btn-login:disabled{opacity:.6;cursor:not-allowed}.error-msg{color:var(--danger);font-size:13px;text-align:center;margin-bottom:16px;min-height:20px}.lang-switcher{text-align:center;margin-bottom:16px;font-size:13px;color:var(--text-secondary)}.lang-switcher span{cursor:pointer;transition:color .2s}.lang-switcher span.active{color:var(--accent);font-weight:600}.lang-switcher span:hover{color:var(--accent)}.lang-switcher .sep{margin:0 8px;cursor:default}.captcha-group label{color:var(--accent)!important;font-size:16px!important;font-weight:700!important}.btn-refresh{padding:10px 14px;border:1px solid var(--border-color);border-radius:8px;background:var(--bg-secondary);color:var(--accent);font-size:13px;cursor:pointer;white-space:nowrap;transition:border-color .2s}.btn-refresh:hover{border-color:var(--accent)}