:root{--bg: #0a0d12;--surface: #10141b;--surface-2: #161b24;--border: #242b36;--text: #e8ebef;--text-muted: #8d95a3;--accent: #4c8dff;--accent-2: #21d4a8;--danger: #ff6b6b;--radius: 10px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,sans-serif;font-size:15px}h1,h2,h3{font-family:Space Grotesk,sans-serif;font-weight:600;margin:0}button,input,textarea{font-family:inherit}a{color:inherit;text-decoration:none}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse 700px 400px at 50% 0%,rgba(76,141,255,.14),transparent 60%),var(--bg)}.auth-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:36px}.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:26px;font-size:16px;font-weight:600}.auth-card h1{font-size:22px;margin-bottom:6px}.auth-card>p{color:var(--text-muted);font-size:14px;margin:0 0 26px}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--border);padding:24px 18px;display:flex;flex-direction:column}.sidebar-brand{display:flex;align-items:center;gap:10px;font-weight:600;padding:0 8px 22px;margin-bottom:10px;border-bottom:1px solid var(--border)}.sidebar nav{display:flex;flex-direction:column;gap:2px;flex:1}.sidebar nav a{padding:10px 12px;border-radius:8px;font-size:14px;color:var(--text-muted)}.sidebar nav a:hover{background:var(--surface);color:var(--text)}.sidebar nav a.active{background:var(--surface-2);color:var(--text)}.sidebar-footer{border-top:1px solid var(--border);padding-top:14px;margin-top:14px}.logout-btn{width:100%;text-align:left;padding:10px 12px;border-radius:8px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;font-size:14px}.logout-btn:hover{background:var(--surface);color:var(--danger)}.main{padding:36px 42px;max-width:900px}.page-head{margin-bottom:28px}.page-head h1{font-size:24px;margin-bottom:6px}.page-head p{color:var(--text-muted);margin:0;font-size:14px}.field{margin-bottom:18px}.field label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:6px}.field input,.field textarea{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:10px 13px;color:var(--text);font-size:14px}.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}.field textarea{min-height:90px;resize:vertical}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:8px;border:none;font-size:14px;font-weight:600;cursor:pointer}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{opacity:.92}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-ghost:hover{background:var(--surface)}.btn-danger{background:transparent;color:var(--danger);border:1px solid rgba(255,107,107,.35)}.btn-danger:hover{background:#ff6b6b14}.btn-full{width:100%;justify-content:center}.status-msg{font-size:13.5px;margin:14px 0 0}.status-msg.ok{color:var(--accent-2)}.status-msg.err{color:var(--danger)}.item-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.item-card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.item-card-head span{font-size:12.5px;color:var(--text-muted)}.item-actions{display:flex;gap:10px;margin-top:14px}.add-card{border:1px dashed var(--border);border-radius:var(--radius);padding:16px;text-align:center;color:var(--text-muted);background:transparent;width:100%;cursor:pointer;font-size:14px}.add-card:hover{border-color:var(--accent);color:var(--text)}.overview-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.overview-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.overview-card h3{font-size:15px;margin-bottom:6px}.overview-card p{color:var(--text-muted);font-size:13.5px;margin:0 0 14px}