:root {
    --abys-navy: #0f2e57;
    --abys-navy-dark: #0a1f3d;
    --abys-border: #dce3eb;
    --abys-text: #1e2a36;
    --abys-muted: #364556;
    --abys-bg: #f0f3f7;
    --abys-white: #ffffff;
    --abys-accent: #2563eb;
    --abys-font: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scrollbar-gutter: stable;
    overflow-x: hidden;
}

body {
    margin: 0;
    font-family: var(--abys-font);
    font-size: 13px;
    font-weight: 400;
    color: var(--abys-text);
    background: #fff;
    line-height: 1.5;
    text-shadow: none;
    -webkit-font-smoothing: auto;
    -moz-osx-font-smoothing: auto;
    overflow-x: hidden;
}

.login-shell {
    min-height: 100vh;
    display: flex;
    width: 100%;
}

.login-brand-panel {
    flex: 1 1 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 56px 48px;
    background: linear-gradient(165deg, #0a1628 0%, #0f2e57 50%, #123a6b 100%);
    color: #fff;
}

.login-brand-inner {
    max-width: 360px;
    text-align: center;
}

.login-logo {
    display: block;
    width: 188px;
    height: 188px;
    margin: 0 auto 28px;
    object-fit: contain;
}

.login-system-title {
    margin: 0 0 10px;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.45;
    letter-spacing: 0.01em;
    color: rgba(255, 255, 255, 0.95);
}

.login-dept-full {
    margin: 0;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.68);
}

.login-support {
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    text-align: center;
}

.login-support-title {
    margin: 0 0 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.82);
}

.login-support-text {
    margin: 0 0 14px;
    font-size: 12px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.52);
}

.login-support-link {
    display: inline-block;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: #fff;
    text-decoration: none;
    padding: 10px 18px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.06);
    transition: background 0.15s ease, border-color 0.15s ease;
}

.login-support-link:hover {
    background: rgba(37, 211, 102, 0.14);
    border-color: rgba(37, 211, 102, 0.45);
    color: #fff;
}

.login-support-dept {
    margin: 12px 0 0;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.42);
    letter-spacing: 0.03em;
}

.login-form-panel {
    flex: 1 1 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 56px 48px;
    background: #fff;
    position: relative;
}

.login-form-panel::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12%;
    bottom: 12%;
    width: 1px;
    background: linear-gradient(
        180deg,
        transparent 0%,
        #e2e8ef 18%,
        #e2e8ef 82%,
        transparent 100%
    );
}

.login-form-inner {
    width: 100%;
    max-width: 360px;
}

.login-form {
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.login-form .form-group {
    margin-bottom: 22px;
}

.login-form .form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #4a5563;
}

.login-form .form-control {
    height: 46px;
    padding: 0 14px;
    font-size: 15px;
    border: 1px solid #d8e0e8;
    border-radius: 2px;
    background: #fafbfc;
    transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.login-form .form-control:hover {
    border-color: #c5d0dc;
    background: #fff;
}

.login-form .form-control:focus {
    outline: none;
    border-color: var(--abys-navy);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(15, 46, 87, 0.07);
}

.login-field-hint {
    margin: 6px 0 0;
    font-size: 12px;
    color: #5c6670;
    line-height: 1.4;
}

.login-form .form-check {
    margin-bottom: 28px;
}

.login-form .form-check label {
    font-size: 13px;
    color: #5c6670;
    text-transform: none;
    letter-spacing: normal;
    font-weight: 400;
}

.login-form .btn-primary {
    height: 46px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: 2px;
}

.login-footer {
    margin-top: 32px;
    text-align: left;
    font-size: 11px;
    color: #9aa5b1;
    letter-spacing: 0.08em;
    text-transform: lowercase;
}

@media (max-width: 900px) {
    .login-shell {
        flex-direction: column;
        min-height: 100dvh;
    }

    .login-brand-panel,
    .login-form-panel {
        flex: none;
        width: 100%;
        padding: 40px 28px;
        padding-left: max(28px, env(safe-area-inset-left));
        padding-right: max(28px, env(safe-area-inset-right));
    }

    .login-form-panel {
        flex: 1;
        padding-bottom: max(40px, env(safe-area-inset-bottom));
    }

    .login-form-panel::before {
        display: none;
    }

    .login-logo {
        width: 148px;
        height: 148px;
        margin-bottom: 22px;
    }

    .login-system-title {
        font-size: 15px;
    }

    .login-support {
        margin-top: 28px;
        padding-top: 22px;
    }

    .login-footer {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .login-brand-panel,
    .login-form-panel {
        padding: 28px 20px;
        padding-left: max(20px, env(safe-area-inset-left));
        padding-right: max(20px, env(safe-area-inset-right));
    }

    .login-logo {
        width: 120px;
        height: 120px;
        margin-bottom: 18px;
    }

    .login-system-title {
        font-size: 14px;
    }

    .login-dept-full {
        font-size: 13px;
    }

    .login-support-link {
        font-size: 16px;
        width: 100%;
        box-sizing: border-box;
    }

    .login-form .form-control,
    .login-form .btn-primary {
        min-height: 48px;
        font-size: 16px;
    }

    .login-form-inner {
        max-width: 100%;
    }
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--abys-text);
}

.form-control {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    font-size: 14px;
    border: 1px solid var(--abys-border);
    border-radius: 0;
    background: var(--abys-white);
    color: var(--abys-text);
}

.form-control:focus {
    outline: none;
    border-color: var(--abys-navy);
    box-shadow: 0 0 0 3px rgba(15, 46, 87, 0.08);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 13px;
    color: var(--abys-muted);
}

.btn-primary {
    width: 100%;
    height: 44px;
    border: none;
    background: var(--abys-navy);
    color: var(--abys-white);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: background 0.15s ease;
}

.btn-primary:hover {
    background: var(--abys-navy-dark);
}

.validation-summary {
    margin-bottom: 16px;
    padding: 12px 14px;
    background: #fdf2f2;
    border: 1px solid #e8b4b4;
    color: #8b1a1a;
    font-size: 13px;
    list-style: none;
}

.validation-summary:empty {
    display: none;
    margin: 0;
    padding: 0;
    border: none;
}

.field-error {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: #8b1a1a;
}