.reg-hero {
            background: linear-gradient(135deg, var(--midnight) 0%, var(--deep-plum) 100%);
            color: white; padding: 3.5rem 2rem; text-align: center;
        }
        .reg-hero-inner { max-width: 640px; margin: 0 auto; }
        .reg-hero-inner h2 { font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; margin-bottom: 0.75rem; line-height: 1.2; }
        .reg-hero-inner p { font-size: 0.95rem; line-height: 1.7; }
        @media (max-width: 768px) { .reg-hero { padding: 2.5rem 1.5rem; } .reg-hero-inner h2 { font-size: 1.8rem; } }

        .reg-main { max-width: 720px; margin: 0 auto; padding: 2.5rem 2rem 4.5rem; }

        /* Shared form bits */
        .form-row { display: flex; flex-direction: column; gap: 0.4rem; }
        .form-row label { font-family: var(--font-ui); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-heading); font-weight: 700; }
        .form-row .hint { font-size: 0.75rem; opacity: 0.7; font-weight: 400; text-transform: none; letter-spacing: 0; }
        .form-row input, .form-row select, .form-row textarea {
            font-family: var(--font-body); font-size: 0.9rem; color: var(--text-body); background-color: var(--bg-page);
            border: 1px solid var(--border-subtle); border-radius: 6px; padding: 0.65rem 0.8rem; transition: border-color 0.3s ease;
        }
        .form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: var(--accent); }
        .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
        @media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }
        .btn-secondary {
            background-color: var(--antique-gold); color: var(--midnight); padding: 0.7rem 1.4rem; border: 1px solid var(--antique-gold); border-radius: 6px;
            text-transform: uppercase; letter-spacing: 0.5px; font-size: 0.75rem; font-weight: 700; cursor: pointer; font-family: var(--font-ui);
            transition: background-color 0.3s ease, border-color 0.3s ease;
        }
        .btn-secondary:hover { background-color: var(--fox-copper); border-color: var(--fox-copper); }

        /* Signed-in dashboard */
        #dashboard { display: flex; flex-direction: column; gap: 2rem; }
        .section-heading { font-family: var(--font-display); font-size: 1.5rem; color: var(--text-heading); margin-bottom: 0.5rem; }
        .section-sub { font-size: 0.85rem; opacity: 0.8; margin-bottom: 1.25rem; }
        .who-bar { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; opacity: 0.8; }
        .who-bar button { background: none; border: none; color: var(--accent); cursor: pointer; font-family: var(--font-ui); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; }

        .participant-card {
            background-color: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: 8px;
            padding: 1.25rem 1.5rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
        }
        .participant-name { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; color: var(--text-heading); }
        .participant-meta { font-size: 0.8rem; opacity: 0.75; }
        .status-badge {
            font-family: var(--font-ui); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.5px;
            padding: 0.3rem 0.7rem; border-radius: 999px; font-weight: 700;
        }
        .status-current { background-color: rgba(47, 122, 74, 0.15); color: var(--good); }
        .status-missing, .status-expired { background-color: rgba(179, 101, 26, 0.15); color: var(--warn); }

        /* Registration form */
        #regForm { display: none; flex-direction: column; gap: 1.5rem; background-color: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: 8px; padding: 1.75rem; }
        #regForm.active { display: flex; }
        .form-section-title { font-family: var(--font-display); font-size: 1.15rem; color: var(--text-heading); border-bottom: 1px dashed var(--border-subtle); padding-bottom: 0.5rem; }

        .radio-group { display: flex; flex-direction: column; gap: 0.6rem; }
        .radio-option { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.85rem; cursor: pointer; }
        .radio-option input { margin-top: 0.2rem; }
        .radio-option .opt-title { font-weight: 700; display: block; }
        .radio-option .opt-desc { opacity: 0.75; font-size: 0.8rem; }

        .check-row { display: flex; align-items: flex-start; gap: 0.7rem; font-size: 0.85rem; background-color: var(--bg-page); border: 1px dashed var(--border-subtle); border-radius: 6px; padding: 0.9rem 1rem; }
        .check-row input { margin-top: 0.2rem; flex-shrink: 0; }
        .check-row a { color: var(--accent); }

        .pickup-row { display: grid; grid-template-columns: 2fr 1fr; gap: 0.75rem; }
        @media (max-width: 560px) { .pickup-row { grid-template-columns: 1fr; } }

        .form-msg { font-size: 0.85rem; min-height: 1.2em; }
        .form-msg.error { color: var(--warn); }
        .form-msg.success { color: var(--good); }


.form-row.hint { text-transform: none; }
.back-link { font-family: var(--font-ui); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--accent); }
#regFormHeading { margin-bottom: -0.5rem; }
#regFormHeading + p { margin-top: -0.5rem; }