:root {
    --pp-ink: #1a1f36;
    --pp-ink-soft: #425466;
    --pp-muted: #697386;
    --pp-line: #e3e8ee;
    --pp-line-strong: #d3dbe5;
    --pp-bg: #f6f9fc;
    --pp-bg-soft: #fafbfc;
    --pp-orange: #ff6b35;
    --pp-orange-strong: #e85a26;
    --pp-orange-soft: #fff3ec;
    --pp-success: #0a7a3b;
    --pp-success-bg: #e6f6ec;
    --pp-error: #b42318;
    --pp-error-bg: #fef3f2;
}

body.business-auth-page,
body.business-register-page {
    margin: 0;
    background: var(--pp-bg);
    color: var(--pp-ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    font-size: 14px;
    line-height: 1.5;
}

body.business-register-page {
    min-height: 100vh;
    padding: 48px 24px;
}

.business-auth-brand,
.business-register-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--pp-ink);
    font-weight: 600;
    text-decoration: none;
    font-size: 15px;
}

.business-auth-brand img,
.business-register-brand img {
    width: 28px;
    height: 28px;
    border-radius: 6px;
}

.business-auth-eyebrow,
.business-register-kicker {
    display: inline-block;
    margin-top: 28px;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--pp-orange-soft);
    color: var(--pp-orange-strong);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.business-auth-form .form-group,
.business-register-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 0;
}

.business-auth-form .form-label,
.business-register-form .form-label {
    color: var(--pp-ink-soft);
    font-size: 12.5px;
    font-weight: 500;
    margin: 0;
}

.business-auth-form .form-label .required,
.business-register-form .form-label .required {
    color: var(--pp-orange);
    margin-left: 2px;
}

.business-auth-form .form-input,
.business-register-form .form-input {
    background: #ffffff;
    color: var(--pp-ink);
    border: 1px solid var(--pp-line);
    border-radius: 6px;
    padding: 9px 12px;
    font-size: 14px;
    line-height: 1.4;
    height: auto;
    box-shadow: 0 1px 2px rgba(60, 66, 87, 0.04);
    transition: border-color 0.12s ease, box-shadow 0.12s ease;
    font-family: inherit;
    width: 100%;
    box-sizing: border-box;
}

.business-auth-form .form-input::placeholder,
.business-register-form .form-input::placeholder {
    color: #a3acba;
}

.business-auth-form .form-input:hover,
.business-register-form .form-input:hover {
    border-color: var(--pp-line-strong);
}

.business-auth-form .form-input:focus,
.business-register-form .form-input:focus {
    outline: none;
    border-color: var(--pp-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.18);
}

.business-auth-error,
.business-auth-success,
.business-register-status,
.business-register-success {
    display: none;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.45;
}

.business-auth-error,
.business-register-status {
    background: var(--pp-error-bg);
    color: var(--pp-error);
    border: 1px solid #fda29b;
}

.business-auth-success,
.business-register-success {
    background: var(--pp-success-bg);
    color: var(--pp-success);
    border: 1px solid #abefc6;
}

.business-auth-submit,
.business-auth-link,
.business-register-submit,
.business-register-secondary {
    border-radius: 6px;
    padding: 9px 16px;
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background-color 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
    line-height: 1.2;
}

.business-auth-submit,
.business-register-submit {
    background: var(--pp-orange);
    color: #ffffff;
    border: 1px solid var(--pp-orange);
    box-shadow: 0 1px 2px rgba(60, 66, 87, 0.08);
}

.business-auth-submit:hover,
.business-register-submit:hover {
    background: var(--pp-orange-strong);
    border-color: var(--pp-orange-strong);
}

.business-auth-submit:disabled,
.business-register-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.business-auth-link,
.business-register-secondary {
    background: #ffffff;
    color: var(--pp-ink);
    border: 1px solid var(--pp-line);
}

.business-auth-link:hover,
.business-register-secondary:hover {
    background: var(--pp-bg-soft);
    border-color: var(--pp-line-strong);
}

.business-auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(320px, 460px) minmax(320px, 1fr);
}

.business-auth-aside {
    padding: 56px 48px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 32px;
    background: #ffffff;
    border-right: 1px solid var(--pp-line);
}

.business-auth-copy h1 {
    margin: 16px 0 10px;
    color: var(--pp-ink);
    font-size: 28px;
    line-height: 1.2;
    letter-spacing: -0.01em;
    font-weight: 600;
    max-width: 18ch;
}

.business-auth-copy p {
    max-width: 46ch;
    color: var(--pp-muted);
    font-size: 13.5px;
    line-height: 1.6;
    margin: 0 0 24px;
}

.business-auth-points {
    margin-top: 24px;
    display: grid;
    gap: 12px;
}

.business-auth-points span {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--pp-ink-soft);
    font-size: 13.5px;
    line-height: 1.5;
}

.business-auth-points span::before {
    content: "";
    flex-shrink: 0;
    margin-top: 7px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pp-orange);
}

.business-auth-side-footer {
    color: var(--pp-muted);
    font-size: 13px;
}

.business-auth-side-footer a,
.business-auth-helper a {
    color: var(--pp-orange-strong);
    font-weight: 500;
    text-decoration: none;
}

.business-auth-side-footer a:hover,
.business-auth-helper a:hover {
    text-decoration: underline;
}

.business-auth-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
}

.business-auth-card {
    width: min(100%, 420px);
    padding: 32px;
    border-radius: 8px;
    background: #ffffff;
    border: 1px solid var(--pp-line);
    box-shadow: 0 1px 2px rgba(60, 66, 87, 0.04), 0 2px 5px rgba(60, 66, 87, 0.04);
}

.business-auth-card h2 {
    margin: 0 0 4px;
    color: var(--pp-ink);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.005em;
}

.business-auth-card > p {
    margin: 0 0 24px;
    color: var(--pp-muted);
    font-size: 13px;
    line-height: 1.5;
}

.business-auth-form {
    display: grid;
    gap: 14px;
}

.business-auth-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
}

.business-auth-submit,
.business-auth-link {
    width: 100%;
    box-sizing: border-box;
}

.business-auth-helper {
    margin: 20px 0 0;
    padding-top: 20px;
    border-top: 1px solid var(--pp-line);
    color: var(--pp-muted);
    font-size: 12.5px;
    line-height: 1.5;
}

.business-register-shell {
    width: min(960px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(260px, 300px) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
}

.business-register-panel {
    position: sticky;
    top: 32px;
    padding: 4px 0;
    color: var(--pp-ink-soft);
}

.business-register-panel h1 {
    margin: 16px 0 10px;
    font-size: 24px;
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--pp-ink);
    font-weight: 600;
}

.business-register-panel p {
    color: var(--pp-muted);
    font-size: 13px;
    line-height: 1.55;
    margin: 0 0 20px;
}

.business-register-list {
    margin-top: 24px;
    display: grid;
    gap: 14px;
}

.business-register-list div {
    padding-left: 22px;
    position: relative;
    color: var(--pp-ink-soft);
    font-size: 13px;
    line-height: 1.5;
}

.business-register-list div::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pp-orange);
}

.business-register-list strong {
    display: block;
    margin-bottom: 2px;
    color: var(--pp-ink);
    font-weight: 600;
    font-size: 13px;
}

.business-register-card {
    background: #ffffff;
    border: 1px solid var(--pp-line);
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(60, 66, 87, 0.04), 0 2px 5px rgba(60, 66, 87, 0.04);
    padding: 32px;
}

.business-register-head h2 {
    margin: 0;
    color: var(--pp-ink);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.005em;
}

.business-register-head p {
    margin: 4px 0 0;
    color: var(--pp-muted);
    font-size: 13px;
}

.business-register-form {
    margin-top: 24px;
    display: grid;
    gap: 28px;
}

.business-register-section {
    padding: 0;
    background: transparent;
    border: 0;
    border-top: 1px solid var(--pp-line);
    padding-top: 24px;
}

.business-register-section:first-of-type {
    border-top: 0;
    padding-top: 0;
}

.business-register-section h3 {
    margin: 0 0 2px;
    color: var(--pp-ink);
    font-size: 14px;
    font-weight: 600;
}

.business-register-section p {
    margin: 0 0 16px;
    color: var(--pp-muted);
    font-size: 13px;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 16px;
}

.business-grid .full-span {
    grid-column: 1 / -1;
}

.business-register-status,
.business-register-success {
    margin-top: 16px;
}

.business-register-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 8px;
}

.business-register-footnote {
    color: var(--pp-muted);
    font-size: 12px;
    margin: 0;
    line-height: 1.5;
}

@media (max-width: 980px) {
    .business-auth-shell {
        grid-template-columns: 1fr;
    }

    .business-auth-aside {
        padding: 32px 24px;
        border-right: none;
        border-bottom: 1px solid var(--pp-line);
        gap: 20px;
    }

    .business-auth-copy h1 {
        max-width: none;
        font-size: 24px;
    }

    .business-auth-main {
        padding: 32px 16px;
    }
}

@media (max-width: 880px) {
    body.business-register-page {
        padding: 24px 16px;
    }

    .business-register-shell {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .business-register-panel {
        position: static;
    }

    .business-register-card {
        padding: 24px 20px;
    }
}

@media (max-width: 560px) {
    .business-auth-card {
        padding: 24px 20px;
    }

    .business-grid {
        grid-template-columns: 1fr;
    }

    .business-register-actions .business-register-submit,
    .business-register-actions .business-register-secondary {
        width: 100%;
    }
}