:root{color-scheme:light;--background:#f4f6f8;--surface:#ffffff;--text:#17202a;--muted:#6b7280;--border:#dfe3e8;--primary:#1f4f5f;--primary-hover:#173f4b;--danger-bg:#fff2f2;--danger-text:#9f2d2d}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{min-height:100vh;background:var(--background);color:var(--text);font-family:Arial,Helvetica,sans-serif}button,input{font:inherit}a{color:inherit;text-decoration:none}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top left,rgba(31,79,95,.12),transparent 34%),var(--background)}.login-card{width:100%;max-width:420px;padding:36px;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:0 18px 50px rgba(23,32,42,.08)}.brand-mark{width:54px;height:54px;display:grid;place-items:center;margin-bottom:22px;border-radius:14px;background:var(--primary);color:white;font-weight:700;letter-spacing:.05em}.login-card h1{margin:0;font-size:28px}.login-card .subtitle{margin:8px 0 28px;color:var(--muted);line-height:1.5}.form-field{display:grid;gap:8px;margin-bottom:18px}.form-field label{font-size:14px;font-weight:600}.form-field input{width:100%;height:46px;padding:0 13px;border:1px solid var(--border);border-radius:10px;background:white;color:var(--text);outline:none;transition:border-color .15s ease,box-shadow .15s ease}.form-field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,79,95,.12)}.primary-button,.secondary-button{min-height:44px;border-radius:10px;border:0;cursor:pointer;font-weight:700}.primary-button{width:100%;background:var(--primary);color:white}.primary-button:hover{background:var(--primary-hover)}.primary-button:disabled{opacity:.65;cursor:wait}.secondary-button{padding:0 16px;background:white;border:1px solid var(--border);color:var(--text)}.form-error{margin:0 0 18px;padding:11px 12px;border-radius:9px;background:var(--danger-bg);color:var(--danger-text);font-size:14px}.login-footer{margin:22px 0 0;color:var(--muted);font-size:12px;text-align:center}.dashboard-page{min-height:100vh}.dashboard-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 28px;background:white;border-bottom:1px solid var(--border)}.dashboard-brand{display:flex;align-items:center;gap:12px;font-weight:700}.dashboard-brand .brand-mark{width:38px;height:38px;margin:0;border-radius:10px;font-size:13px}.dashboard-main{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:44px 0}.dashboard-main h1{margin:0 0 8px;font-size:30px}.dashboard-intro{margin:0 0 30px;color:var(--muted)}.dashboard-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.dashboard-card{padding:22px;background:white;border:1px solid var(--border);border-radius:14px}.dashboard-card h2{margin:0 0 8px;font-size:18px}.dashboard-card p{margin:0;color:var(--muted);line-height:1.5}@media (max-width:760px){.login-card{padding:28px 22px}.dashboard-header{padding:15px 18px}.dashboard-main{width:min(100% - 28px,1120px);padding-top:30px}.dashboard-grid{grid-template-columns:1fr}}