:root {
    --login-brand: #004358;
    --login-brand-dark: #082f3c;
    --login-brand-soft: #e4eef0;
    --login-bg: #eef3f2;
    --login-surface: #ffffff;
    --login-text: #18272c;
    --login-muted: #687c82;
    --login-border: #dfe8e9;
    --login-error: #9b2c2c;
    --login-error-bg: #fff5f5;
    --login-error-border: #eccaca;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--login-bg);
}

.login-body {
    min-height: 100vh;
    margin: 0;
    color: var(--login-text);
    background: var(--login-bg);
    font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
}

.login-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    background: var(--login-brand);
}

.login-header__inner {
    display: flex;
    width: min(100% - 40px, 1120px);
    min-height: 72px;
    margin: 0 auto;
    align-items: center;
    justify-content: space-between;
}

.login-brand {
    display: flex;
    gap: 13px;
    align-items: center;
    color: #ffffff;
    text-decoration: none;
}

.login-brand img {
    display: block;
    width: 38px;
    height: 38px;
    object-fit: contain;
}

.login-brand strong {
    font-size: 1rem;
    letter-spacing: 0.08em;
}

.login-brand span {
    padding-left: 13px;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    font-weight: 650;
}

.login-nav {
    display: flex;
    gap: 24px;
    align-items: center;
}

.login-nav a {
    padding: 24px 0 21px;
    border-bottom: 3px solid transparent;
    color: rgba(255, 255, 255, 0.74);
    font-size: 0.86rem;
    font-weight: 650;
    text-decoration: none;
}

.login-nav a:hover,
.login-nav a:focus-visible {
    color: #ffffff;
}

.login-nav a.is-active {
    border-color: #ad7b43;
    color: #ffffff;
}

.login-main {
    display: grid;
    width: min(100% - 40px, 960px);
    min-height: calc(100vh - 73px);
    margin: 0 auto;
    padding: 72px 0;
    grid-template-columns: minmax(0, 1fr) minmax(340px, 420px);
    gap: 80px;
    align-items: center;
}

.login-introduction {
    max-width: 420px;
    padding-bottom: 34px;
    border-bottom: 3px solid var(--login-brand);
}

.login-eyebrow {
    color: var(--login-brand);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.login-introduction h1 {
    margin: 8px 0 0;
    font-size: clamp(2rem, 4vw, 3.25rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.login-introduction p {
    margin: 18px 0 0;
    color: var(--login-muted);
    font-size: 1rem;
}

.login-panel {
    padding: 34px;
    border: 1px solid var(--login-border);
    border-radius: 4px;
    background: var(--login-surface);
}

.login-panel__heading {
    margin-bottom: 27px;
}

.login-panel__heading h2 {
    margin: 0;
    font-size: 1.65rem;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.login-panel__heading p {
    margin: 7px 0 0;
    color: var(--login-muted);
    font-size: 0.9rem;
}

.login-alert {
    margin-bottom: 22px;
    padding: 12px 14px;
    border: 1px solid var(--login-error-border);
    border-radius: 3px;
    color: var(--login-error);
    background: var(--login-error-bg);
    font-size: 0.84rem;
    line-height: 1.45;
}

.login-form {
    display: grid;
    gap: 20px;
}

.login-field {
    display: grid;
    gap: 7px;
}

.login-field label {
    color: var(--login-text);
    font-size: 0.82rem;
    font-weight: 700;
}

.login-field input {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border: 1px solid #c9d6d8;
    border-radius: 3px;
    outline: none;
    color: var(--login-text);
    background: var(--login-surface);
    font: inherit;
    font-size: 0.92rem;
}

.login-field input:hover {
    border-color: #aebfc1;
}

.login-field input:focus {
    border-color: var(--login-brand);
    box-shadow: 0 0 0 3px var(--login-brand-soft);
}

.login-submit {
    min-height: 46px;
    margin-top: 4px;
    padding: 0 20px;
    border: 1px solid var(--login-brand);
    border-radius: 3px;
    color: #ffffff;
    background: var(--login-brand);
    cursor: pointer;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 750;
}

.login-submit:hover,
.login-submit:focus-visible {
    border-color: var(--login-brand-dark);
    background: var(--login-brand-dark);
}

@media (max-width: 820px) {
    .login-main {
        width: min(100% - 40px, 560px);
        min-height: auto;
        padding: 54px 0 64px;
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .login-introduction {
        max-width: none;
        padding-bottom: 24px;
    }
}

@media (max-width: 560px) {
    .login-header__inner,
    .login-main {
        width: min(100% - 28px, 560px);
    }

    .login-header__inner {
        align-items: flex-start;
        flex-direction: column;
        padding-top: 16px;
    }

    .login-brand {
        min-height: 28px;
    }

    .login-brand span {
        font-size: 0.75rem;
    }

    .login-nav {
        width: 100%;
        gap: 20px;
    }

    .login-nav a {
        padding-top: 14px;
        padding-bottom: 12px;
    }

    .login-main {
        padding-top: 38px;
        gap: 28px;
    }

    .login-introduction h1 {
        font-size: clamp(1.85rem, 10vw, 2.35rem);
    }

    .login-panel {
        padding: 26px 20px;
    }
}