:root {
    --signup-primary: var(--color-primary);
    --signup-primary-soft: var(--color-primary-soft);
    --signup-secondary: var(--color-secondary);
    --signup-teal: var(--color-secondary);
    --signup-error: var(--color-danger-dark);
    --signup-error-soft: var(--color-danger-soft);
    --signup-success-soft: var(--color-success-soft);
    --signup-text: var(--color-text);
    --signup-muted: var(--color-text-muted);
    --signup-border: var(--color-border);
    --signup-surface: var(--color-surface);
    --signup-radius: var(--radius-xs);
}

.signup-page {
    min-height: 100vh;
    background: var(--signup-primary);
    color: var(--signup-text);
}

.signup-main {
    min-height: 100vh;
}

.signup-background-page {
    position: relative;
    isolation: isolate;
    min-height: 100vh;
    background:
        linear-gradient(
            110deg,
            rgba(var(--color-primary-rgb), 0.94) 0%,
            rgba(var(--color-primary-rgb), 0.8) 42%,
            rgba(var(--color-primary-rgb), 0.38) 100%
        ),
        linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.3)),
        url("../images/signup-background.webp") center / cover no-repeat;
}

.signup-background-page::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(90deg, rgba(0, 0, 0, 0.28), transparent 58%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 24%);
    pointer-events: none;
}

.signup-form-section {
    min-height: 100vh;
    padding: 8rem 0 4rem;
    display: flex;
    align-items: center;
    background: transparent;
}

.signup-form-container {
    width: 100%;
    max-width: 1180px;
    display: flex;
    justify-content: flex-end;
}

.signup-card {
    width: min(100%, 720px);
    padding: clamp(1.25rem, 2.5vw, 2rem);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: var(--signup-radius);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(18px);
}

.signup-card-header {
    display: grid;
    gap: 0.45rem;
    margin-bottom: 1.25rem;
}

.signup-card-header .panel-kicker {
    margin-bottom: 0.35rem;
}

.signup-card-header h1,
.signup-card-header h2 {
    margin: 0;
    color: var(--signup-primary);
    font-size: 2.25rem;
    line-height: 1.05;
    letter-spacing: 0;
}

.signup-card-header p {
    max-width: 44rem;
    margin: 0;
    color: var(--signup-muted);
    line-height: 1.6;
}

.signup-form {
    display: grid;
    gap: 1.2rem;
}

.signup-visually-hidden-field {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.signup-selected-plan {
    padding: 0.85rem 1rem;
    border: 1px solid rgba(var(--color-success-rgb), 0.2);
    border-radius: var(--signup-radius);
    background: var(--signup-success-soft);
    color: var(--color-success-dark);
    font-weight: 900;
}

.signup-intent-note {
    padding: 0.85rem 1rem;
    border: 1px solid rgba(var(--color-secondary-rgb), 0.18);
    border-radius: var(--signup-radius);
    background: var(--color-secondary-soft);
    color: var(--signup-primary);
    font-weight: 800;
}

.signup-recaptcha-status {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.85rem 1rem;
    border: 1px solid rgba(var(--color-success-rgb), 0.22);
    border-radius: var(--signup-radius);
    background: var(--signup-success-soft);
    color: var(--color-success-dark);
}

.signup-recaptcha-status strong {
    display: block;
    color: var(--signup-primary);
    font-weight: 900;
}

.signup-recaptcha-status small {
    display: block;
    margin-top: 0.15rem;
    color: var(--signup-muted);
    line-height: 1.45;
}

.signup-recaptcha-status-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    background: rgba(var(--color-success-rgb), 0.12);
    color: var(--color-success-dark);
    flex: 0 0 auto;
}

.signup-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.signup-field,
.signup-checkbox {
    display: grid;
    gap: 0.5rem;
}

.signup-field-full {
    grid-column: 1 / -1;
}

.signup-field-password,
.signup-field-password-confirm {
    grid-column: 1 / -1;
}

.signup-field label,
.signup-checkbox span {
    color: var(--signup-primary);
    font-weight: 800;
}

.signup-field input {
    width: 100%;
    min-height: 3.15rem;
    padding: 0.85rem 0.95rem;
    border: 1px solid var(--signup-border);
    border-radius: var(--signup-radius);
    background: #ffffff;
    color: var(--signup-text);
    font: inherit;
    transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.signup-field input:focus {
    border-color: rgba(var(--color-secondary-rgb), 0.55);
    box-shadow: 0 0 0 4px rgba(var(--color-secondary-rgb), 0.12);
    outline: none;
}

.signup-field input[aria-invalid="true"],
.signup-checkbox input[aria-invalid="true"] {
    border-color: rgba(var(--color-danger-rgb), 0.65);
    background: var(--signup-error-soft);
}

.signup-help {
    margin: 0;
    color: var(--signup-muted);
    font-size: 0.92rem;
    line-height: 1.45;
}

.signup-error {
    margin: 0;
    color: var(--signup-error);
    font-size: 0.92rem;
    font-weight: 800;
    line-height: 1.45;
}

.signup-alert {
    display: grid;
    gap: 0.25rem;
    margin-bottom: 1.1rem;
    padding: 0.95rem 1rem;
    border-radius: var(--signup-radius);
    border: 1px solid transparent;
}

.signup-alert[hidden] {
    display: none;
}

.signup-alert p {
    margin: 0;
}

.signup-alert-error {
    border-color: rgba(var(--color-danger-rgb), 0.22);
    background: var(--signup-error-soft);
    color: var(--signup-error);
}

.signup-checkbox {
    padding: 0.95rem 1rem;
    border: 1px solid rgba(var(--color-primary-rgb), 0.1);
    border-radius: var(--signup-radius);
    background: var(--signup-primary-soft);
}

.signup-checkbox label {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.75rem;
    align-items: start;
}

.signup-checkbox input {
    width: 1rem;
    height: 1rem;
    margin-top: 0.25rem;
    accent-color: var(--signup-primary);
}

.signup-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    align-items: center;
}

.signup-submit {
    min-width: 12rem;
}

.signup-password-meter {
    min-height: 1.15rem;
    color: var(--signup-muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.signup-password-meter.is-ready {
    color: var(--signup-teal);
}

.signup-password-meter.is-warning {
    color: var(--color-warning-dark);
}

@media (max-width: 980px) {
    .signup-form-section {
        padding: 7rem 0 3rem;
    }

    .signup-form-container {
        justify-content: center;
    }
}

@media (max-width: 680px) {
    .signup-background-page {
        background:
            linear-gradient(
                180deg,
                rgba(var(--color-primary-rgb), 0.9) 0%,
                rgba(var(--color-primary-rgb), 0.76) 100%
            ),
            url("../images/signup-background.webp") center / cover no-repeat;
    }

    .signup-form-section {
        padding: 6.5rem 0 2.5rem;
    }

    .signup-card {
        padding: 1.1rem;
    }

    .signup-card-header h1,
    .signup-card-header h2 {
        font-size: 1.8rem;
    }

    .signup-form-grid {
        grid-template-columns: 1fr;
    }

    .signup-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .signup-actions .button {
        width: 100%;
    }
}