:root {

    --color-primary: #8ab4f8;
    --color-primary-hover: #aecbfa;

    --color-text-white: #ffffff;
    --color-text-light: #e8eaed;
    --color-text-muted: #9aa0a6;
    --color-text-link: #8ab4f8;

    --color-bg-dark: #202124;
    --color-bg-card: #303134;
    --color-bg-input: transparent;

    --color-border-dark: #5f6368;
    --color-border-focus: #8ab4f8;

    --font-primary: 'Google Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-text: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 28px;
    --radius-full: 9999px;

    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-text);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-white);
    background: #f8f9fa;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow-x: hidden;
}

body::before,
body::after {
    content: '';
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
}

body::before {
    top: -100px;
    left: -200px;
    background: linear-gradient(135deg, #c9b8ff 0%, #a5d6ff 50%, #7dd3fc 100%);
}

body::after {
    bottom: -150px;
    right: -200px;
    background: linear-gradient(135deg, #fecaca 0%, #fcd6bb 50%, #fde68a 100%);
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.lang-switcher {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 100;
}

.lang-switcher__btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: transparent;
    border: none;
    font-size: 13px;
    font-weight: 500;
    color: #5f6368;
    cursor: pointer;
    transition: var(--transition-normal);
}

.lang-switcher__btn:hover {
    color: #202124;
}

.lang-switcher__btn i {
    font-size: 14px;
    transition: transform var(--transition-fast);
}

.lang-switcher.open .lang-switcher__btn i {
    transform: rotate(180deg);
}

.lang-switcher__dropdown {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    background: #fff;
    border: 1px solid #dadce0;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition-normal);
    overflow: hidden;
}

.lang-switcher.open .lang-switcher__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-switcher__option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #202124;
    transition: var(--transition-fast);
}

.lang-switcher__option:hover {
    background: #f1f3f4;
}

.lang-switcher__option.active {
    background: #e8f0fe;
    color: #1a73e8;
}

.lang-switcher__flag {
    font-size: 18px;
}

.page-footer {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 100;
    display: flex;
    gap: 24px;
}

.page-footer__link {
    font-size: 13px;
    color: #5f6368;
    transition: var(--transition-fast);
}

.page-footer__link:hover {
    color: #202124;
}

.login {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 750px;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.98);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.login__card {
    background: #ffffff;
    border-radius: var(--radius-2xl);
    padding: 84px 56px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    box-shadow: 0 1px 3px 0 rgba(60, 64, 67, .3), 0 4px 8px 3px rgba(60, 64, 67, .15);
    border: 1px solid #e8eaed;
}

@media (max-width: 700px) {
    .login__card {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 48px 32px;
    }
}

.login__branding {
    display: flex;
    flex-direction: column;
}

.login__logo {
    margin-bottom: 8px;
}

.login__logo-img {
    height: 80px;
    width: auto;
}

.login__title {
    font-family: var(--font-primary);
    font-size: 32px;
    font-weight: 400;
    color: #202124;
    margin-bottom: 12px;
}

.login__subtitle {
    font-size: 16px;
    color: #5f6368;
}

.login__form-section {
    display: flex;
    flex-direction: column;
}

.login__form {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.form-group {
    margin-bottom: 8px;
}

.form-group__input-wrapper {
    position: relative;
}

.form-group__input {
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-family: var(--font-text);
    color: #202124;
    background: #ffffff;
    border: 1px solid #dadce0;
    border-radius: var(--radius-md);
    outline: none;
    transition: var(--transition-normal);
}

.form-group__input::placeholder {
    color: #9aa0a6;
}

.form-group__input:hover {
    border-color: #80868b;
}

.form-group__input:focus {
    border-color: #1a73e8;
    box-shadow: 0 0 0 2px #e8f0fe;
}

.form-group__error {
    margin-top: 6px;
    padding: 0;
    font-size: 12px;
    color: #d93025;
    display: flex;
    align-items: flex-start;
    gap: 6px;
    line-height: 1.4;
}

.form-group__error i {
    font-size: 14px;
    margin-top: 1px;
    flex-shrink: 0;
}

.form-group__input.error {
    border-color: #d93025;
}

.form-group__input.error:focus {
    border-color: #d93025;
    box-shadow: 0 0 0 2px rgba(217, 48, 37, 0.15);
}

.login__help-link {
    display: inline-block;
    margin-top: 16px;
    margin-bottom: 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-link);
    transition: var(--transition-fast);
}

.login__help-link:hover {
    color: var(--color-primary-hover);
}

.login__info {
    margin-top: auto;
    margin-bottom: 24px;
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.login__info a {
    color: var(--color-text-link);
}

.login__info a:hover {
    text-decoration: underline;
}

.login__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
    margin-top: auto;
}

.login__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-link);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.login__link:hover {
    background: rgba(138, 180, 248, 0.08);
}

.login__submit {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    color: #ffffff;
    background: #1a73e8;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-normal);
}

.login__submit:hover {
    background: #1557b0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.login__submit:active {
    transform: scale(0.98);
}

.login__back {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

.login__back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #5f6368;
    transition: var(--transition-fast);
}

.login__back-link:hover {
    color: #202124;
}

.login__back-link i {
    font-size: 16px;
}

@media (max-width: 600px) {
    .lang-switcher {
        bottom: auto;
        top: 16px;
        left: 16px;
    }

    .page-footer {
        position: static;
        margin-top: 24px;
        margin-bottom: 24px;
        justify-content: center;
    }

    .login__title {
        font-size: 24px;
    }
}