body.login-bg {
    --login-accent: #1abc9c;
    --login-accent-strong: #0e9e82;
    --login-accent-soft: rgba(26, 188, 156, .12);
    --login-brand-start: #172735;
    --login-brand-end: #0f5e52;
    --login-page-start: #edf6f4;
    --login-page-end: #dceeea;
    --login-surface: #ffffff;
    --login-surface-muted: #f6f9fb;
    --login-border: #dfe8ed;
    --login-text: #1f3040;
    --login-muted: #718190;
    --login-input-bg: #f8fafb;
    --login-input-border: #d7e1e7;
    --login-button-start: #1abc9c;
    --login-button-end: #0e9e82;
    --login-button-shadow: rgba(14, 158, 130, .25);
    --login-footer: #627482;

    position: relative;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    color: var(--login-text);
    background-color: var(--login-page-end);
    background-image: linear-gradient(
        145deg,
        var(--login-brand-start) 0%,
        var(--login-brand-end) 42%,
        var(--login-page-start) 76%,
        var(--login-page-end) 100%
    );
}

body.login-bg::before,
body.login-bg::after {
    display: none;
}

.login-page {
    position: relative;
    z-index: 1;
    display: grid;
    min-height: 100vh;
    padding: clamp(1.25rem, 4vw, 3.5rem);
    grid-template-rows: 1fr;
    align-items: center;
    justify-items: center;
}

.login-shell {
    display: grid;
    width: min(100%, 980px);
    overflow: hidden;
    grid-template-columns: minmax(0, 1.08fr) minmax(350px, .92fr);
    border: 1px solid rgba(255, 255, 255, .72);
    border-radius: 24px;
    background: var(--login-surface);
    box-shadow:
        0 30px 80px rgba(31, 48, 64, .20),
        0 8px 24px rgba(31, 48, 64, .10);
}

.login-brand-panel {
    position: relative;
    display: flex;
    min-height: 610px;
    padding: clamp(2rem, 4vw, 3.25rem);
    flex-direction: column;
    overflow: hidden;
    color: #ffffff;
    background:
        radial-gradient(circle at 100% 0, rgba(255, 255, 255, .12), transparent 32%),
        linear-gradient(145deg, var(--login-brand-start), var(--login-brand-end));
}

.login-brand-panel::before,
.login-brand-panel::after {
    position: absolute;
    content: "";
    pointer-events: none;
}

.login-brand-panel::before {
    top: -7rem;
    right: -7rem;
    width: 18rem;
    height: 18rem;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 50%;
    box-shadow:
        0 0 0 3.5rem rgba(255, 255, 255, .035),
        0 0 0 7rem rgba(255, 255, 255, .022);
}

.login-brand-panel::after {
    right: 2.25rem;
    bottom: 2.25rem;
    width: 8rem;
    height: 8rem;
    opacity: .12;
    background-image:
        linear-gradient(rgba(255, 255, 255, .58) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .58) 1px, transparent 1px);
    background-size: 16px 16px;
}

.login-brand-lockup,
.login-brand-copy,
.login-feature-list,
.login-brand-footer {
    position: relative;
    z-index: 1;
}

.login-brand-lockup {
    display: flex;
    align-items: center;
    gap: .9rem;
}

.login-brand-mark {
    display: inline-grid;
    width: 52px;
    height: 52px;
    flex: 0 0 auto;
    place-items: center;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 14px;
    background: rgba(255, 255, 255, .12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .20);
    font-size: 1.4rem;
}

.login-brand-name {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.login-brand-name strong {
    font-size: 1.35rem;
    letter-spacing: -.02em;
}

.login-brand-name small {
    margin-top: .25rem;
    color: rgba(255, 255, 255, .62);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.login-brand-copy {
    margin-top: auto;
    margin-bottom: 2.2rem;
}

.login-brand-kicker {
    display: inline-flex;
    margin-bottom: 1rem;
    padding: .42rem .7rem;
    align-items: center;
    gap: .45rem;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 999px;
    background: rgba(255, 255, 255, .09);
    font-size: .73rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.login-brand-copy h1 {
    max-width: 520px;
    margin: 0;
    color: #ffffff;
    font-size: clamp(2rem, 4vw, 3.15rem);
    font-weight: 750;
    letter-spacing: -.045em;
    line-height: 1.04;
}

.login-brand-copy p {
    max-width: 520px;
    margin: 1.2rem 0 0;
    color: rgba(255, 255, 255, .70);
    font-size: .96rem;
    line-height: 1.7;
}

.login-feature-list {
    display: grid;
    gap: .78rem;
}

.login-feature-item {
    display: flex;
    padding: .78rem .85rem;
    align-items: center;
    gap: .8rem;
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: 12px;
    background: rgba(255, 255, 255, .055);
    backdrop-filter: blur(4px);
}

.login-feature-icon {
    display: inline-grid;
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
    place-items: center;
    color: var(--login-accent);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 10px;
    background: rgba(255, 255, 255, .08);
}

.login-feature-item > span:last-child {
    display: flex;
    min-width: 0;
    flex-direction: column;
}

.login-feature-item strong {
    color: #ffffff;
    font-size: .82rem;
}

.login-feature-item small {
    margin-top: .12rem;
    overflow: hidden;
    color: rgba(255, 255, 255, .57);
    font-size: .72rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.login-form-panel {
    display: grid;
    padding: clamp(2rem, 4vw, 3.5rem);
    grid-template-rows: 1fr auto;
    align-items: center;
    background: var(--login-surface);
}

.login-form-content {
    width: 100%;
}

.login-form-header {
    display: flex;
    margin-bottom: 2rem;
    align-items: flex-start;
    gap: 1rem;
}

.login-form-symbol {
    display: inline-grid;
    width: 46px;
    height: 46px;
    flex: 0 0 auto;
    place-items: center;
    color: var(--login-accent-strong);
    border: 1px solid color-mix(in srgb, var(--login-accent) 24%, var(--login-border));
    border-radius: 12px;
    background: var(--login-accent-soft);
    font-size: 1.15rem;
}

.login-form-eyebrow {
    display: block;
    margin-bottom: .25rem;
    color: var(--login-accent-strong);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.login-form-header h2 {
    margin: 0;
    color: var(--login-text);
    font-size: 1.55rem;
    font-weight: 750;
    letter-spacing: -.025em;
}

.login-form-header p {
    margin: .45rem 0 0;
    color: var(--login-muted);
    font-size: .84rem;
    line-height: 1.55;
}

.login-alert,
.login-notice {
    display: flex;
    margin: 0 0 1.25rem;
    padding: .78rem .9rem;
    align-items: flex-start;
    gap: .65rem;
    border: 0;
    border-left: 3px solid;
    border-radius: 10px;
    font-size: .8rem;
    line-height: 1.5;
}

.login-notice {
    color: #176f61;
    border-left-color: var(--login-accent);
    background: var(--login-accent-soft);
}

.login-alert {
    color: #a43b34;
    border-left-color: #dc4c43;
    background: rgba(220, 76, 67, .10);
}

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

.login-field {
    display: grid;
    gap: .45rem;
}

.login-form-label {
    margin: 0;
    color: var(--login-text);
    font-size: .76rem;
    font-weight: 700;
}

.login-input-group {
    border-radius: 11px;
    box-shadow: 0 1px 2px rgba(31, 48, 64, .03);
}

.login-input-addon,
.login-input,
.login-input:focus {
    min-height: 48px;
    color: var(--login-text);
    border-color: var(--login-input-border);
    background: var(--login-input-bg);
}

.login-input-addon {
    width: 48px;
    justify-content: center;
    color: var(--login-accent-strong);
    border-right: 0;
    border-radius: 11px 0 0 11px;
}

.login-input {
    border-left: 0;
    border-radius: 0 11px 11px 0;
    font-size: .88rem;
}

.login-input::placeholder {
    color: #a1adb7;
}

.login-input:focus {
    border-color: var(--login-accent);
    box-shadow: none;
}

.login-input-group:focus-within {
    box-shadow: 0 0 0 .22rem color-mix(in srgb, var(--login-accent) 17%, transparent);
}

.login-input-group:focus-within .login-input-addon {
    border-color: var(--login-accent);
}

.login-submit {
    display: flex;
    min-height: 50px;
    margin-top: .35rem;
    padding: .75rem 1rem;
    align-items: center;
    justify-content: center;
    gap: .7rem;
    color: #ffffff;
    border: 0;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--login-button-start), var(--login-button-end));
    box-shadow: 0 10px 24px var(--login-button-shadow);
    font-size: .88rem;
    font-weight: 750;
    transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}

.login-submit:hover,
.login-submit:focus {
    color: #ffffff;
    filter: brightness(.96);
    transform: translateY(-1px);
    box-shadow: 0 13px 28px var(--login-button-shadow);
}

.login-submit:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--login-accent) 30%, transparent);
    outline-offset: 3px;
}

.login-security-note {
    display: flex;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    align-items: flex-start;
    gap: .6rem;
    color: var(--login-muted);
    border-top: 1px solid var(--login-border);
    font-size: .72rem;
    line-height: 1.5;
}

.login-security-note i {
    margin-top: .05rem;
    color: var(--login-accent-strong);
}

.login-brand-footer,
.login-form-footer {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    min-height: 24px;
    font-size: .72rem;
    font-weight: 600;
}

.login-brand-footer {
    margin-top: 1.25rem;
    color: rgba(255, 255, 255, .78);
}

.login-brand-footer > span {
    display: inline-flex;
    align-items: center;
    gap: .28rem;
}

.login-footer-heart {
    color: var(--login-accent);
    font-size: .78rem;
}

.login-form-footer {
    margin-top: 1.25rem;
    justify-content: flex-end;
    color: var(--login-button-end);
    letter-spacing: .02em;
}

@media (max-width: 820px) {
    .login-page {
        padding: 1.25rem;
    }

    .login-shell {
        max-width: 500px;
        grid-template-columns: 1fr;
        border-radius: 20px;
    }

    .login-brand-panel {
        min-height: auto;
        padding: 1.6rem;
    }

    .login-brand-copy {
        margin: 3rem 0 0;
    }

    .login-brand-copy h1 {
        max-width: 420px;
        font-size: clamp(1.7rem, 8vw, 2.35rem);
    }

    .login-brand-copy p {
        margin-top: .9rem;
    }

    .login-feature-list {
        display: none;
    }

    .login-brand-footer {
        margin-top: 1.5rem;
    }

    .login-form-panel {
        padding: 1.75rem 1.6rem 1.8rem;
    }

}

@media (max-width: 520px) {
    .login-page {
        padding: .75rem;
        gap: 1rem;
    }

    .login-shell {
        border-radius: 16px;
    }

    .login-brand-panel,
    .login-form-panel {
        padding: 1.3rem;
    }

    .login-brand-copy {
        margin-top: 2.25rem;
    }

    .login-brand-copy p {
        font-size: .84rem;
    }

    .login-form-header {
        margin-bottom: 1.5rem;
    }

    .login-form-symbol {
        width: 42px;
        height: 42px;
    }

    .login-form-header h2 {
        font-size: 1.3rem;
    }

    .login-brand-footer,
    .login-form-footer {
        font-size: .68rem;
    }

    .login-form-footer {
        margin-top: 1.4rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-submit {
        transition: none;
    }
}

/* Öffentliche Betreiber- und Mailserverinformationen direkt am Panelzugang. */
.login-operator-card {
    display: flex;
    margin-top: 1rem;
    padding: .85rem;
    align-items: flex-start;
    gap: .75rem;
    color: var(--login-muted);
    border: 1px solid var(--login-border);
    border-radius: 11px;
    background: var(--login-surface-muted);
}

.login-operator-icon {
    display: inline-grid;
    width: 34px;
    height: 34px;
    flex: 0 0 auto;
    place-items: center;
    color: var(--login-accent-strong);
    border: 1px solid color-mix(in srgb, var(--login-accent) 22%, var(--login-border));
    border-radius: 9px;
    background: var(--login-accent-soft);
}

.login-operator-content {
    min-width: 0;
}

.login-operator-content > strong {
    display: block;
    color: var(--login-text);
    font-size: .77rem;
}

.login-operator-content p {
    margin: .2rem 0 .45rem;
    font-size: .69rem;
    line-height: 1.45;
}

.login-operator-content p strong {
    color: var(--login-text);
    font-weight: 700;
}

.login-operator-primary-link {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    margin-bottom: .48rem;
    padding: .5rem .7rem;
    color: var(--login-accent-strong);
    border: 1px solid currentColor;
    border-radius: 9px;
    font-size: .7rem;
    font-weight: 700;
    line-height: 1.25;
    text-decoration: none;
}

.login-operator-primary-link:hover,
.login-operator-primary-link:focus-visible {
    color: var(--login-accent-strong);
    background: var(--login-accent-soft);
}

.login-operator-primary-link .bi-box-arrow-up-right {
    font-size: .62rem;
}

.login-operator-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .22rem .42rem;
    font-size: .68rem;
    font-weight: 700;
}

.login-operator-links a {
    color: var(--login-accent-strong);
    text-decoration: none;
}

.login-operator-links a:hover,
.login-operator-links a:focus-visible {
    text-decoration: underline;
}

.login-operator-links .operator-link-separator {
    color: #a8b4bd;
}

@media (max-width: 520px) {
    .login-operator-card {
        padding: .75rem;
    }

    .login-operator-links {
        gap: .2rem .35rem;
    }

    .login-operator-primary-link {
        width: 100%;
        justify-content: center;
        text-align: center;
    }
}