:root{--bg:#f4efe6;--bg-strong:#efe4d2;--surface:rgba(255,252,246,0.9);--surface-strong:#fffaf1;--surface-muted:#f8f1e5;--text:#23190f;--text-muted:#6a5a4a;--line:rgba(72,50,28,0.14);--accent:#a3512c;--accent-strong:#7e3917;--accent-soft:#f4d7c4;--danger:#9f2f2f;--shadow:0 24px 70px rgba(61,40,20,0.12);--radius-xl:28px;--radius-lg:20px;--radius-md:14px;--radius-sm:10px;--content-width:1180px;--font-sans:"Segoe UI","Helvetica Neue",sans-serif}*{box-sizing:border-box}html{min-height:100%;background:radial-gradient(circle at top left,rgba(163,81,44,.18),transparent 28%),radial-gradient(circle at top right,rgba(94,125,102,.18),transparent 24%),linear-gradient(180deg,#f8f4ed 0,var(--bg) 52%,#efe7db 100%)}body{margin:0;min-height:100vh;color:var(--text);font-family:var(--font-sans)}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(calc(100% - 32px),var(--content-width));margin:0 auto}.login-screen{min-height:100vh;display:grid;place-items:center;padding:40px 16px}.login-card,.surface-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.login-card{width:min(100%,520px);padding:32px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted)}.page-title{margin:14px 0 10px;font-size:clamp(2rem,4vw,3.4rem);line-height:.96}.lead{margin:0;color:var(--text-muted);line-height:1.55}.stack{display:grid;grid-gap:16px;gap:16px}.field{display:grid;grid-gap:8px;gap:8px}.field label{font-weight:600}.field input{width:100%;padding:14px 16px;border-radius:var(--radius-md);border:1px solid var(--line);background:rgba(255,255,255,.8)}.field input:focus{outline:2px solid rgba(163,81,44,.25);border-color:rgba(163,81,44,.45)}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 18px;border:0;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:white;font-weight:700;cursor:pointer}.button.secondary{background:transparent;color:var(--text);border:1px solid var(--line)}.error-banner{padding:14px 16px;border-radius:var(--radius-md);background:rgba(159,47,47,.1);color:var(--danger);border:1px solid rgba(159,47,47,.16)}.portal-layout{padding:24px 0 40px}.portal-topbar{position:-webkit-sticky;position:sticky;top:0;z-index:10;margin:16px 0 28px;background:rgba(255,249,239,.82);border:1px solid var(--line);border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow)}.portal-topbar-inner{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:18px 22px 14px}.brand-row{display:flex;flex-direction:column;gap:4px}.brand-row strong{font-size:1.2rem}.session-row{display:flex;align-items:center;gap:14px;color:var(--text-muted)}.portal-nav{display:flex;flex-wrap:wrap;gap:10px;padding:0 22px 18px}.portal-nav a{padding:10px 14px;border-radius:999px;color:var(--text-muted)}.portal-nav a.active{color:white;background:linear-gradient(135deg,var(--accent),var(--accent-strong))}.page-grid{display:grid;grid-gap:18px;gap:18px}.panel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:18px;gap:18px}.surface-card{padding:22px}.surface-card h2,.surface-card h3{margin:12px 0 8px}.muted{color:var(--text-muted)}.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--line);background:rgba(255,255,255,.76)}table{width:100%;border-collapse:collapse}td,th{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-size:.84rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}tbody tr:hover{background:rgba(163,81,44,.04)}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:14px;gap:14px}.detail-item{padding:14px 16px;border-radius:var(--radius-md);background:var(--surface-muted);border:1px solid var(--line)}.detail-item strong{display:block;margin-bottom:6px;font-size:.84rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}.link-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.link-row a{color:var(--accent-strong);font-weight:700}.empty-state{padding:20px;border-radius:var(--radius-lg);background:rgba(255,255,255,.7);border:1px dashed rgba(72,50,28,.24);color:var(--text-muted)}@media (max-width:720px){.portal-topbar-inner,.session-row{align-items:flex-start;flex-direction:column}.portal-nav{padding-top:8px}}