:root{--bg: oklch(.99 .002 240);--fg: oklch(.25 .01 240);--muted: oklch(.55 .01 240);--card: oklch(1 0 0);--card-border: oklch(.9 .005 240);--primary: oklch(.42 .08 210);--primary-fg: oklch(.98 0 0);--accent: oklch(.56 .12 195);--accent-soft: oklch(.56 .12 195 / .08);--shadow: 0 1px 3px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.04);--shadow-lg: 0 4px 12px rgba(0,0,0,.08), 0 20px 48px rgba(0,0,0,.06);--radius: 12px;--radius-lg: 16px}*{box-sizing:border-box;margin:0}html,body{min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#eef7f9,#fbfcfd)}.login-card{width:min(440px,calc(100vw - 32px));padding:40px 32px;border-radius:var(--radius-lg);border:1px solid var(--card-border);background:var(--card);box-shadow:var(--shadow-lg);display:grid;gap:20px;text-align:center}.login-card h1{font-size:28px;font-weight:700;letter-spacing:-.03em;color:var(--fg)}.login-card p{color:var(--muted);font-size:15px;line-height:1.6}.login-error{color:#c53637;font-size:14px;padding:10px 14px;border-radius:8px;background:#c536370f;border:1px solid oklch(.55 .18 25 / .15)}.login-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:8px;border:none;background:var(--primary);color:var(--primary-fg);font-size:15px;font-weight:600;cursor:pointer;transition:opacity .15s}.login-button:hover{opacity:.9}.login-button:disabled{opacity:.5;cursor:default}.portal{min-height:100vh;display:grid;grid-template-rows:auto 1fr}.portal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 32px;border-bottom:1px solid var(--card-border);background:var(--card)}.portal-brand{display:flex;align-items:center;gap:12px}.portal-brand h1{font-size:20px;font-weight:700;letter-spacing:-.02em}.portal-user{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted)}.portal-user .badge{display:inline-flex;padding:3px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.logout-btn{padding:6px 14px;border-radius:6px;border:1px solid var(--card-border);background:var(--card);color:var(--muted);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s}.logout-btn:hover{border-color:#b8bfc4;color:var(--fg)}.portal-content{padding:40px 32px;max-width:1100px;width:100%;margin:0 auto}.customer-section{margin-bottom:48px}.customer-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}.customer-icon{width:40px;height:40px;border-radius:10px;background:var(--primary);display:grid;place-items:center;color:var(--primary-fg);font-size:18px;font-weight:700}.customer-header h2{font-size:24px;font-weight:700;letter-spacing:-.02em}.deck-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.deck-card{display:block;text-decoration:none;color:inherit;padding:24px;border-radius:var(--radius);border:1px solid var(--card-border);background:var(--card);box-shadow:var(--shadow);transition:all .2s}.deck-card:hover{box-shadow:var(--shadow-lg);border-color:var(--accent);transform:translateY(-2px)}.deck-card h3{font-size:17px;font-weight:600;letter-spacing:-.01em;margin-bottom:8px}.deck-card .deck-meta{font-size:13px;color:var(--muted)}.deck-card .arrow{display:flex;justify-content:flex-end;margin-top:16px;color:var(--accent);font-size:14px;font-weight:500}.empty-state{text-align:center;padding:60px 24px;color:var(--muted);font-size:15px}.loading{min-height:100vh;display:grid;place-items:center;color:var(--muted);font-size:15px}@media(max-width:640px){.portal-header{padding:12px 16px}.portal-content{padding:24px 16px}.deck-grid{grid-template-columns:1fr}.login-card{padding:28px 20px}}