:root{--primary: #6d4b70;--primary-hover: #5a3e5d;--primary-ring: rgba(109, 75, 112, 0.22);--sidebar-bg: #1e0d28;--sidebar-accent: #a78bfa;--text: #18181b;--text-muted: #71717a;--border: #e4e4e7;--bg: #f6f6f4;--white: #ffffff;--radius: 6px;--success: #16a34a;--danger: #dc2626}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}body.ln-body{font-family:"DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;font-size:0.9375rem;background:var(--bg);color:var(--text);min-height:100vh}.ln-wrap{display:flex;min-height:100vh}.ln-brand{flex:0 0 50%;background:var(--sidebar-bg);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.ln-brand::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle, rgba(255,255,255,0.07) 1px, transparent 1px);background-size:22px 22px}.ln-brand-inner{position:relative;z-index:1;padding:3rem 2.5rem;text-align:center;color:#fff}.ln-logo{height:64px;margin-bottom:2rem;filter:brightness(0) invert(1)}.ln-tagline{font-family:"Syne", sans-serif;font-size:1.05rem;font-weight:600;line-height:1.5;color:rgba(255,255,255,0.75);margin-bottom:2.5rem}.ln-feature-list{display:flex;flex-direction:column;gap:0.625rem;text-align:left}.ln-feature{font-family:"DM Mono", monospace;font-size:0.6875rem;color:rgba(255,255,255,0.55);letter-spacing:0.02em}.ln-feature i{margin-right:0.5rem;color:var(--sidebar-accent);opacity:0.85}.ln-form-panel{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem;background:var(--bg)}.ln-form-inner{width:100%;max-width:380px}.ln-mobile-logo{display:none;text-align:center;margin-bottom:2rem}.ln-mobile-logo-img{height:36px}.ln-flash{display:flex;align-items:center;gap:0.5rem;font-size:0.8125rem;padding:0.625rem 0.875rem;border-radius:var(--radius);margin-bottom:1.25rem;border:1px solid transparent}.ln-flash--notice{background:#f0fdf4;border-color:#bbf7d0;color:var(--success)}.ln-flash--alert{background:#fef2f2;border-color:#fecaca;color:var(--danger)}.ln-card{background:var(--white);border:1px solid var(--border);border-radius:10px;padding:2rem}.ln-card-title{font-family:"Syne", sans-serif;font-size:1.375rem;font-weight:700;color:var(--text);margin-bottom:0.25rem}.ln-card-sub{font-size:0.8125rem;color:var(--text-muted);margin-bottom:1.75rem}.ln-field{margin-bottom:1rem}.ln-field label{display:block;font-size:0.8125rem;font-weight:500;color:var(--text);margin-bottom:0.375rem}.ln-field input[type="email"],.ln-field input[type="password"],.ln-field input[type="text"]{display:block;width:100%;padding:0.5625rem 0.75rem;font-family:"DM Sans", sans-serif;font-size:0.875rem;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);outline:none;transition:border-color 0.15s, box-shadow 0.15s}.ln-field input[type="email"]::-moz-placeholder,.ln-field input[type="password"]::-moz-placeholder,.ln-field input[type="text"]::-moz-placeholder{color:#a1a1aa}.ln-field input[type="email"]::placeholder,.ln-field input[type="password"]::placeholder,.ln-field input[type="text"]::placeholder{color:#a1a1aa}.ln-field input[type="email"]:focus,.ln-field input[type="password"]:focus,.ln-field input[type="text"]:focus{background:var(--white);border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-ring)}.ln-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}.ln-remember{display:flex;align-items:center;gap:0.4rem;font-size:0.8125rem;color:var(--text-muted);cursor:pointer}.ln-remember input[type="checkbox"]{width:14px;height:14px;accent-color:var(--primary);cursor:pointer}.ln-link{font-size:0.8125rem;color:var(--primary);text-decoration:none;font-weight:500}.ln-link:hover{text-decoration:underline;color:var(--primary-hover)}.ln-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:block;width:100%;padding:0.625rem 1rem;font-family:"DM Sans", sans-serif;font-size:0.875rem;font-weight:600;color:#fff;background:#1e0d28;border:none;border-radius:var(--radius);cursor:pointer;transition:background 0.15s;text-align:center}.ln-btn:hover{background:#2e1640}.ln-btn:active{background:#2e1640}.ln-below{margin-top:1.25rem;text-align:center;font-size:0.8125rem;color:var(--text-muted)}.ln-below a{color:var(--primary);text-decoration:none;font-weight:500}.ln-below a:hover{text-decoration:underline}#error_explanation{background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);padding:0.75rem 1rem;margin-bottom:1.25rem}#error_explanation h2{font-size:0.8125rem;font-weight:600;color:var(--danger);margin-bottom:0.375rem}#error_explanation ul{padding-left:1rem;margin:0}#error_explanation ul li{font-size:0.8rem;color:var(--danger)}.ln-footer{margin-top:2rem;text-align:center;font-size:0.75rem;color:#a1a1aa}@media (max-width: 800px){.ln-brand{display:none}.ln-mobile-logo{display:block}.ln-form-panel{padding:1.5rem 1rem}}