/* assets/styles/app.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --color-background: #0D0F1A;
    --color-surface: #171A29;
    --color-primary: #3C7BFF;
    --color-primary-hover: #659CFF;
    --color-primary-rgb: 60, 123, 255;
    --color-secondary: #2A2F45;
    --color-secondary-hover: #3C425E;
    --color-danger: #ff4d4d;
    --color-text-primary: #EAEBF0;
    --color-text-secondary: #A0A3B5;
    --color-border: #2A2F45;
    --header-height: 80px;
    --container-width: 1200px;
    --font-family-base: 'Inter', sans-serif;
    --footer-hero-opacity: 0.42;
}

html[data-bs-theme='light'] {
    --color-background: #F0F2F5;
    --color-surface: #FFFFFF;
    --color-primary: #3C7BFF;
    --color-primary-hover: #2968E8;
    --color-primary-rgb: 60, 123, 255;
    --color-secondary: #EAEBF0;
    --color-secondary-hover: #D9DCE1;
    --color-danger: #ab2e33;
    --color-text-primary: #171A29;
    --color-text-secondary: #5E637E;
    --color-border: #D9DCE1;
    --footer-hero-opacity: 0.38;
}

html {
    min-height: 100%;
    background-color: var(--color-background);
}

/* --- General --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    background-color: var(--color-background);
    color: var(--color-text-primary);
    font-family: var(--font-family-base);
    line-height: 1.6;
    padding-top: var(--header-height); /* Добавляем отступ сверху, чтобы контент не перекрывался хедером */
}

.text-ltr,
code,
.font-monospace,
input[type="email"],
input[type="url"],
input[type="number"] {
    direction: ltr;
    unicode-bidi: isolate;
}

input[type="email"],
input[type="url"],
input[type="number"],
.text-ltr.form-control,
.font-monospace.form-control {
    text-align: left;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover { color: var(--color-primary-hover); }

h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-primary);
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,.5);
}

p {
    color: var(--color-text-secondary);
}

/* --- Header --- */
.main-header {
    background-color: rgba(23, 26, 41, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: transform 0.4s ease;
}
html[data-bs-theme='light'] .main-header {
    background-color: rgba(255, 255, 255, 0.8);
    color: var(--color-text-primary);
}
.main-header .container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.theme-toggle-button i {
    font-size: 1.8rem; /* Увеличиваем размер иконки */
}

/* Стили для кнопки переключения темы */
.theme-switcher-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    display: block; /* Убедимся, что кнопка всегда видна */
}
.theme-switcher-button i {
    font-size: 1.8rem; /* Размер иконки, как у кнопки мобильного меню */
    color: var(--color-text-primary);
}


@media (max-width: 992px) {
    .main-header .theme-switcher-button {
        margin-inline-start: auto; /* Выталкиваем кнопку темы к краю */
        margin-inline-end: 15px; /* Отступ от кнопки темы */
    }
}
.logo {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text-primary);
}
html[data-bs-theme='light'] .logo {
    color: var(--color-text-primary);
}
.logo span {
    color: var(--color-danger);
}
.logo sub {
    font-size: 0.7em;
    color: var(--color-text-secondary);
}

.logo .alfa {
    top: -16px;
    font-size: 8px;
    left: -27px;
    letter-spacing: 2px;
    color: var(--color-text-secondary);
}

html[data-bs-theme='light'] .logo sub {
    color: var(--color-text-secondary);
}
.main-nav {
    display: flex;
    gap: 40px;
}
.main-nav a {
    color: var(--color-text-secondary);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}
html[data-bs-theme='light'] .main-nav a {
    color: var(--color-text-secondary);
}
.main-nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--color-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}
.main-nav a:hover::after, .main-nav a.active::after {
    width: 100%;
}
.main-nav a:hover, .main-nav a.active {
    color: var(--color-text-primary);
}
html[data-bs-theme='light'] .main-nav a:hover, html[data-bs-theme='light'] .main-nav a.active {
    color: var(--color-text-primary);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-inline-end: 15px; /* Отступ, чтобы отделить от кнопки темы */
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.lang-link {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
    padding: 0.45rem 0.65rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background-color: transparent;
}

.lang-link:hover,
.lang-link.active {
    color: var(--color-text-primary);
    background-color: var(--color-secondary);
}

/* --- Language dropdown (desktop) --- */
.lang-dropdown {
    position: relative;
    display: inline-flex;
}

.lang-dropdown__button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
    color: var(--color-text-secondary);
    padding: 0.45rem 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background-color: transparent;
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.lang-dropdown__button:hover,
.lang-dropdown__button[aria-expanded="true"] {
    color: var(--color-text-primary);
    background-color: var(--color-secondary);
}

.lang-dropdown__caret {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.lang-dropdown__button[aria-expanded="true"] .lang-dropdown__caret {
    transform: rotate(180deg);
}

.lang-dropdown__menu {
    position: absolute;
    top: calc(100% + 8px);
    inset-inline-end: 0;
    min-width: 150px;
    padding: 6px;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 1050;
}

.lang-dropdown__menu[hidden] {
    display: none;
}

.lang-dropdown__item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.5rem 0.65rem;
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    white-space: nowrap;
}

.lang-dropdown__item:hover,
.lang-dropdown__item:focus-visible {
    color: var(--color-text-primary);
    background-color: var(--color-secondary);
    outline: none;
}

.lang-dropdown__item.active {
    color: var(--color-text-primary);
    font-weight: 600;
}

.lang-dropdown__code {
    font-weight: 600;
    min-width: 1.6em;
    color: var(--color-text-primary);
}

.lang-dropdown__check {
    margin-inline-start: auto;
    font-size: 0.85rem;
}

/* --- Profile language picker (dropdown inside personal-data card) --- */
.lang-dropdown--block {
    display: flex;
}

.lang-dropdown--block .lang-dropdown__menu {
    inset-inline-start: 0;
    inset-inline-end: auto;
}

.theme-switcher-button {
    /* Existing styles */
    margin-inline-end: 15px; /* Отступ, чтобы отделить от кнопки мобильного меню на узких экранах */
}

@media (max-width: 992px) {
    .header-actions {
        margin-inline-end: 0; /* Убираем отступ на узких экранах */
        margin-inline-start: auto; /* Прижимаем к краю */
    }

    .header-actions .language-switcher,
    .header-actions .lang-dropdown {
        display: none;
    }
}

/* --- Mobile Navigation --- */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}
.nav-toggle .icon-bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text-primary);
    margin: 5px 0;
    transition: all 0.3s;
}
.mobile-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    top: var(--header-height); /* Меню начинается под шапкой */
    left: 0;
    right: 0;
    height: calc(100vh - var(--header-height)); /* Занимает оставшуюся высоту экрана */
    background-color: var(--color-background);
    padding: 1rem 1rem; /* Отступ сверху для шапки */
    z-index: 999; /* Ниже шапки */
    overflow-y: auto;
}
.mobile-nav.is-open { display: flex; }

/* Адаптация для мобильных устройств, если header-height меняется */
@media (max-width: 768px) {
    .mobile-nav {
        top: 70px; /* Отступ сверху для шапки на мобильных устройствах */
        height: calc(100vh - 70px); /* Занимает оставшуюся высоту экрана */
        padding-top: 0; /* Отступ сверху для шапки на мобильных устройствах */
    }
}
.mobile-nav a {
    color: var(--color-text-primary);
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    font-size: 1.2rem;
}

.language-switcher-mobile {
    justify-content: center;
    padding: 1rem 0 1.5rem;
    border-bottom: 1px solid var(--color-border);
    margin-top: 3.5rem;
}

.language-switcher-mobile .lang-link {
    font-size: 0.95rem;
}
.mobile-nav .btn { width: 100%; margin-top: 1rem; }

.nav-close-toggle {
    display: block; /* Показываем кнопку закрытия */
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    position: absolute; /* Позиционируем абсолютно */
    inset-block-start: 15px; /* Отступ сверху */
    inset-inline-end: 15px; /* Отступ от края */
    z-index: 1002; /* Выше мобильного меню */
    color: var(--color-text-primary); /* Цвет иконки */
    font-size: 1.8rem; /* Размер иконки */
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    font-size: 1rem;
}
.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(var(--color-primary-rgb), 0.3);
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
}
.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-text-primary);
}
.btn-secondary:hover { background-color: var(--color-secondary-hover); }

/* --- Page main + bottom visual under content --- */
.page-main {
    position: relative;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.page-main__content {
    position: relative;
    z-index: 1;
}

.page-main__bottom-visual {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 0;
    opacity: var(--footer-hero-opacity);
    pointer-events: none;
    line-height: 0;
}

.page-main__bottom-visual::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1;
    height: 45%;
    background: linear-gradient(to bottom, var(--color-background) 0%, transparent 100%);
}

.page-main__bottom-visual-picture {
    display: none;
    width: 100%;
}

html[data-bs-theme='dark'] .page-main__bottom-visual-picture--dark {
    display: block;
}

html[data-bs-theme='light'] .page-main__bottom-visual-picture--light {
    display: block;
}

.page-main__bottom-visual img {
    display: block;
    width: 100%;
    height: auto;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0 1.25rem;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}
.footer-nav {
    width: 100%;
}
.footer-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-menu > li {
    flex: 0 1 auto;
}
.footer-menu a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.25rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
    white-space: nowrap;
}
.footer-menu a:hover,
.footer-menu a:focus {
    color: var(--color-primary);
}
.footer-menu a i {
    font-size: 1.25rem;
    line-height: 1;
}
.footer-copyright {
    text-align: center;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    width: 100%;
}
.footer-copyright p {
    margin: 0;
    font-size: 0.85rem;
}

/* --- Form Elements --- */
.form-control {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    border-radius: 8px;
    padding: 12px 15px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2);
    outline: none;
}
.form-control::placeholder {
    color: var(--color-text-secondary);
}
.form-label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

/* --- Bootstrap Overrides --- */
.modal-content {
    background-color: var(--color-surface);
    border-color: var(--color-border);
}
.modal-header {
    border-bottom-color: var(--color-border);
}
.accordion {
    --bs-accordion-color: var(--color-text-primary);
    --bs-accordion-bg: var(--color-surface);
    --bs-accordion-btn-color: var(--color-text-primary);
    --bs-accordion-button-active-color: var(--color-primary);
    --bs-accordion-button-active-bg: var(--color-secondary);
    --bs-accordion-border-color: var(--color-border);
    --bs-accordion-button-focus-box-shadow: 0 0 0 .25rem rgba(var(--color-primary-rgb),.25);
    border-radius: 8px;
}
.accordion-button:not(.collapsed) {
    box-shadow: inset 0 calc(-1 * var(--bs-accordion-border-width)) 0 var(--bs-accordion-border-color);
}

.card {
    background-color: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text-primary);
}
.card-header {
    background-color: var(--color-secondary);
    border-bottom: 1px solid var(--color-border);
}
.card-body p {
    color: var(--color-text-secondary);
}
.card-body p strong {
    color: var(--color-text-primary);
}

hr {
    border-top: 1px solid var(--color-border);
    opacity: 1;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .main-nav { display: none; }
    .nav-toggle { display: block; }
    .main-header .container { justify-content: space-between; }
}

@media (max-width: 768px) {
    .container { padding: 0 15px; }
    .main-header { height: 70px; }
    .mobile-nav { top: 70px; }
    .footer-menu {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        gap: 0.25rem;
    }
    .footer-menu a {
        justify-content: center;
    }

    .hide-on-mobile {
        display: none;
    }
}



.main-header.header-hidden {
    transform: translateY(-100%);
}

.cursor-pointer {
    cursor: pointer;
}

.cursor-pointer {
    cursor: pointer;
}