body.register-page {
    font-family: 'Inter', sans-serif;
    min-height: 100dvh;
    overflow: hidden;
}

.register-brand {
    font-size: 1.85rem;
}

.register-brand-badge {
    width: 1.05rem;
    height: 1.05rem;
    font-size: 8px;
}

.register-main {
    max-width: 31rem;
    padding-top: 0.25rem;
    padding-bottom: 0.2rem;
}

.register-heading {
    margin-bottom: 0.4rem;
}

.register-heading h2 {
    font-size: 1.35rem;
    margin-bottom: 0.1rem;
}

.register-heading p {
    font-size: 0.7rem;
}

.register-card {
    max-width: 26.5rem;
    margin: 0 auto;
    padding: 0.7rem;
    border-radius: 0.65rem;
}

.register-card h3 {
    font-size: 1rem;
}

.register-google-btn {
    padding-top: 0.4rem;
    padding-bottom: 0.4rem;
}

.register-google-btn span {
    font-size: 0.68rem;
}

.register-form {
    gap: 0.4rem;
}

.register-form label {
    font-size: 0.67rem;
    margin-bottom: 0.18rem;
}

.register-input {
    padding-top: 0.45rem;
    padding-bottom: 0.45rem;
    font-size: 0.78rem;
}

.register-submit {
    padding-top: 0.48rem;
    padding-bottom: 0.48rem;
    font-size: 0.7rem;
    margin-top: 0.45rem;
}

.register-footer {
    min-height: 0.3rem;
}

/* Global compact mode for notebook/short-height viewports. */
@media (max-height: 900px) {
    .register-header {
        padding-top: 0.35rem;
        padding-bottom: 0.3rem;
    }

    .register-back {
        margin-left: 0.8rem;
    }

    .register-brand {
        font-size: 1.6rem;
        line-height: 0.88;
    }

    .register-main {
        max-width: 27rem;
        padding-top: 0.08rem;
        padding-bottom: 0.08rem;
    }

    .register-heading {
        margin-bottom: 0.22rem;
    }

    .register-heading h2 {
        font-size: 1.08rem;
        margin-bottom: 0;
        line-height: 1.05;
    }

    .register-heading p {
        font-size: 0.62rem;
    }

    .register-card {
        max-width: 22.8rem;
        padding: 0.46rem;
        border-radius: 0.48rem;
    }

    .register-card h3 {
        font-size: 0.78rem;
    }

    .register-card .mb-4 {
        margin-bottom: 0.2rem;
    }

    .register-card .mt-4 {
        margin-top: 0.2rem;
    }

    .register-card .text-xs {
        font-size: 0.58rem;
    }

    .register-google-btn {
        padding-top: 0.22rem;
        padding-bottom: 0.22rem;
    }

    .register-google-btn svg {
        width: 12px;
        height: 12px;
    }

    .register-form {
        gap: 0.16rem;
    }

    .register-form label {
        margin-bottom: 0.04rem;
        font-size: 0.54rem;
    }

    .register-input {
        padding-top: 0.24rem;
        padding-bottom: 0.24rem;
        font-size: 0.66rem;
        line-height: 1.08;
    }

    .register-submit {
        padding-top: 0.26rem;
        padding-bottom: 0.26rem;
        font-size: 0.58rem;
        margin-top: 0.14rem;
        line-height: 1.08;
    }

    .register-form .text-sm,
    .register-form .mt-1 {
        font-size: 0.52rem;
        margin-top: 0.06rem;
    }

    .register-footer {
        min-height: 0;
    }
}

/* Ultra compact fallback for very short screens. */
@media (max-height: 760px) {
    .register-brand {
        font-size: 1.35rem;
    }

    .register-main {
        max-width: 24.5rem;
    }

    .register-card {
        max-width: 20.8rem;
        padding: 0.36rem;
    }

    .register-input {
        padding-top: 0.2rem;
        padding-bottom: 0.2rem;
        font-size: 0.62rem;
    }

    .register-submit {
        padding-top: 0.22rem;
        padding-bottom: 0.22rem;
        font-size: 0.54rem;
    }
}

/* Notebook-focused compact layout, similar to ~90% zoom visual density. */
@media (min-width: 1024px) and (max-width: 1600px) {
    .register-header {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .register-back {
        margin-left: 0.75rem;
    }

    .register-main {
        padding-top: 0.35rem;
        padding-bottom: 0.35rem;
        max-width: 30rem;
    }

    .register-heading {
        margin-bottom: 0.5rem;
    }

    .register-heading h2 {
        font-size: 1.45rem;
        margin-bottom: 0.15rem;
    }

    .register-heading p {
        font-size: 0.72rem;
    }

    .register-card {
        max-width: 25.5rem;
        padding: 0.7rem;
        border-radius: 0.58rem;
    }

    .register-google-btn {
        padding-top: 0.45rem;
        padding-bottom: 0.45rem;
    }

    .register-form {
        gap: 0.45rem;
    }

    .register-form label {
        font-size: 0.68rem;
        margin-bottom: 0.2rem;
    }

    .register-input {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
        font-size: 0.8rem;
    }

    .register-submit {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
        font-size: 0.72rem;
        margin-top: 0.5rem;
    }
}

/* Extra compact mode for common notebook viewport 1366x768. */
@media (min-width: 1280px) and (max-width: 1400px) and (max-height: 800px) {
    .register-header {
        padding-top: 0.2rem;
        padding-bottom: 0.2rem;
    }

    .register-main {
        max-width: 24.5rem;
        padding-top: 0;
        padding-bottom: 0;
    }

    .register-heading {
        margin-bottom: 0.12rem;
    }

    .register-heading h2 {
        font-size: 1.02rem;
        margin-bottom: 0;
        line-height: 1.05;
    }

    .register-heading p {
        font-size: 0.58rem;
    }

    .register-card {
        max-width: 21.5rem;
        padding: 0.36rem;
        border-radius: 0.42rem;
    }

    .register-card h3 {
        font-size: 0.76rem;
    }

    .register-card .mb-4 {
        margin-bottom: 0.16rem;
    }

    .register-card .mt-4 {
        margin-top: 0.16rem;
    }

    .register-card .text-xs {
        font-size: 0.54rem;
    }

    .register-google-btn {
        padding-top: 0.2rem;
        padding-bottom: 0.2rem;
    }

    .register-google-btn svg {
        width: 12px;
        height: 12px;
    }

    .register-form {
        gap: 0.16rem;
    }

    .register-form label {
        margin-bottom: 0.04rem;
        font-size: 0.52rem;
    }

    .register-input {
        padding-top: 0.22rem;
        padding-bottom: 0.22rem;
        font-size: 0.64rem;
        line-height: 1.1;
    }

    .register-submit {
        padding-top: 0.24rem;
        padding-bottom: 0.24rem;
        font-size: 0.56rem;
        margin-top: 0.14rem;
        line-height: 1.1;
    }

    .register-form .text-sm,
    .register-form .mt-1 {
        font-size: 0.52rem;
        margin-top: 0.08rem;
    }

    .register-footer {
        min-height: 0;
    }
}