/* =====================================================================
   ChemFlow BPS — Register  ("Emerald Glass")
   Frosted-glass registration card. Tokens from design_tokens.css.
   ===================================================================== */

main.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px);
    padding-block: 2.5rem;
}

h2.text-center {
    font-weight: 800;
    font-size: 1.8rem;
    letter-spacing: -0.02em;
    text-align: center;
    background: var(--gradient-heading);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mx-auto {
    width: 100%;
    padding: 2.5rem 2.25rem;
    background: var(--glass-bg-strong);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    animation: authRise 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

form p { margin-bottom: 1.1rem; }

form label {
    display: inline-block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    color: var(--color-heading);
}

form input[type="text"],
form input[type="password"],
form input[type="email"],
form input[type="number"],
.mx-auto select,
.form-control,
.form-select {
    display: block;
    width: 100%;
    padding: 0.7rem 0.95rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

form input:focus,
.mx-auto select:focus,
.form-control:focus,
.form-select:focus {
    background-color: #fff;
    border-color: var(--color-primary);
    outline: 0;
    box-shadow: 0 0 0 4px var(--color-primary-tint);
}

.errorlist {
    color: var(--color-danger);
    list-style-type: none;
    padding: 0;
    margin-top: 0.3rem;
    font-size: 0.88rem;
    font-weight: 500;
}

/* Role radio grid */
.radio-row {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 0.6rem !important;
    padding: 0 !important;
}

.radio-row li {
    flex: 1 0 30% !important;
    min-width: 130px !important;
    list-style: none !important;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 0.85rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    transition: border-color var(--transition), background var(--transition);
}

.radio-row li:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-tint);
}

.radio-row input[type="radio"] {
    margin-inline-end: 0.35rem;
    accent-color: var(--color-primary);
}

@keyframes authRise {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
    .mx-auto { padding: 1.75rem 1.35rem; }
}