.auth-section {
    padding: 64px 0 80px;
    background: radial-gradient(ellipse at 10% 20%, #eaeaf7, transparent 55%), var(--paper);
}
.auth-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 72px;
    align-items: start;
}
.auth-intro { padding: 20px 0; }
.auth-back { margin-bottom: 44px; }
.auth-intro > .eyebrow { display: flex; }
.auth-intro h2 {
    font-size: clamp(30px, 3vw, 42px);
    line-height: 1.25;
    letter-spacing: -.8px;
    margin: 20px 0;
    font-weight: 700;
}
.auth-intro h2 span { color: var(--primary); }
.auth-intro > p { color: var(--muted); font-size: 17px; line-height: 1.85; }
.auth-benefits { display: grid; gap: 26px; margin: 36px 0; }
.auth-benefits > div { display: flex; gap: 16px; align-items: start; }
.auth-benefit-icon {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border: 1px solid #d7d7eb;
    border-radius: 12px;
    color: var(--primary);
    background: #fff;
    font-size: 23px;
}
.auth-benefits h3 { font-size: 17px; line-height: 1.5; margin-bottom: 5px; }
.auth-benefits p { font-size: 15px; color: var(--muted); }
.auth-intro-note { border-top: 1px solid #dcdcea; padding-top: 24px; font-size: 14px; color: var(--muted); }
.auth-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: 0 16px 45px #38397308;
    min-width: 0;
}
.auth-card-heading { margin-bottom: 28px; }
.auth-card h1 { font-size: 30px; font-weight: 700; letter-spacing: -.6px; margin: 10px 0 12px; }
.auth-card-heading p { font-size: 16px; color: var(--muted); }
.auth-form { display: grid; gap: 22px; }
.auth-fields-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.auth-field { display: grid; gap: 9px; align-content: start; min-width: 0; }
.auth-field > label, .auth-form legend { font-size: 15px; font-weight: 600; }
.auth-field input, .auth-field select, .auth-field textarea {
    width: 100%;
    min-width: 0;
    padding: 13px 14px;
    font: inherit;
    font-size: 16px;
    line-height: 1.5;
    color: var(--ink);
    border: 1px solid #cccdda;
    border-radius: 9px;
    background: #fff;
}
.auth-field input::placeholder { color: #737589; opacity: 1; }
.auth-field textarea { resize: vertical; }
.auth-field input:focus, .auth-field select:focus, .auth-field textarea:focus {
    outline: 3px solid #4c4d9a18;
    border-color: var(--primary);
    outline-offset: 1px;
}
.auth-field input[aria-invalid=true] { border-color: #b13a48; }
.auth-password { position: relative; }
.auth-password input { padding-right: 88px; }
.password-toggle {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    border: 0;
    background: var(--lavender);
    color: var(--primary);
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}
.auth-form-options { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 14px; }
.auth-form-options a, .auth-legal a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.auth-checkbox { display: flex; align-items: start; gap: 9px; cursor: pointer; font-size: 14px; }
.auth-checkbox input, .auth-role input { width: 18px; height: 18px; accent-color: var(--primary); flex-shrink: 0; margin: 3px 0 0; }
.auth-submit { width: 100%; cursor: pointer; font-family: inherit; font-size: 16px; }
.auth-switch { border-top: 1px solid var(--line); margin-top: 28px; padding-top: 24px; text-align: center; }
.auth-switch p { font-size: 15px; color: var(--muted); margin-bottom: 8px; }
.auth-switch .text-link { font-size: 16px; }
.auth-legal { margin-top: 24px; font-size: 13px; color: var(--muted); text-align: center; line-height: 1.8; }
.auth-alert { border-radius: 9px; padding: 15px 18px; margin-bottom: 24px; font-size: 14px; overflow-wrap: anywhere; }
.auth-alert ul { margin: 8px 0 0; padding-left: 20px; }
.auth-alert-error { color: #8f2637; background: #fff3f4; border: 1px solid #f2d1d7; }
.auth-alert-success { color: #22624d; background: #f0faf5; border: 1px solid #c9e8d9; }
.auth-layout-register { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px; }
.auth-role-fieldset, .auth-detail-section { margin: 0; padding: 0; min-width: 0; border: 0; }
.auth-form legend { padding: 0; margin-bottom: 14px; }
.auth-roles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.auth-role { display: flex; align-items: start; gap: 8px; border: 1px solid #cccdda; padding: 14px 10px; border-radius: 10px; cursor: pointer; }
.auth-role:has(input:checked) { border-color: var(--primary); background: var(--lavender); box-shadow: 0 0 0 1px var(--primary); }
.auth-role strong { display: block; font-size: 13px; }
.auth-role small { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.auth-form-heading { font-size: 18px; padding-top: 4px; }
.auth-phone { display: grid; grid-template-columns: 125px minmax(0, 1fr); gap: 10px; }
.auth-detail-section { border-top: 1px solid var(--line); padding-top: 22px; }
.auth-detail-section legend { float: left; width: 100%; }
.auth-detail-section > .auth-fields-grid { clear: both; margin-bottom: 18px; }
.auth-hint { color: var(--muted); font-size: 13px; line-height: 1.7; }
.auth-form > .auth-hint { margin-top: -12px; }
.auth-field-error { color: #a22b40; font-size: 14px; }
.auth-field-error:empty { display: none; }
.auth-category-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 14px; }
.auth-category { border: 1px solid var(--line); padding: 12px; border-radius: 8px; overflow-wrap: anywhere; }
.auth-category:has(input:checked) { border-color: var(--primary); background: var(--lavender); }
@media (max-width: 1199px) {
    .auth-layout, .auth-layout-register { gap: 32px; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
    .auth-card { padding: 28px; }
    .auth-roles { grid-template-columns: 1fr; }
    .auth-role small { margin-top: 2px; }
}
@media (max-width: 850px) {
    .auth-layout, .auth-layout-register { grid-template-columns: minmax(0, 1fr); max-width: 680px; }
    .auth-section { padding: 30px 0 48px; }
    .auth-intro { padding: 0; }
    .auth-back { margin-bottom: 20px; }
    .auth-intro h2 { font-size: 30px; margin: 12px 0; }
    .auth-benefits, .auth-intro-note { display: none; }
    .auth-intro > p { font-size: 16px; }
    .auth-roles { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
    .auth-card { padding: 24px 20px; border-radius: 14px; }
    .auth-card h1 { font-size: 26px; }
    .auth-fields-grid, .auth-category-grid, .auth-roles { grid-template-columns: minmax(0, 1fr); }
    .auth-phone { grid-template-columns: 115px minmax(0, 1fr); }
}
.auth-launch-offer { padding: 16px 18px; margin-bottom: 24px; border-radius: 12px; border: 1px solid #ded3f1; background: #f4effc; color: #542c90; font-size: 14px; line-height: 1.6; }
.auth-launch-offer p { margin: 5px 0 0; font-size: 12px; }