/* ============================================================
   site.css — Pravdalist Private  |  Design: "Trust & Tech"
   ============================================================ */

/* ── CSS Variables (LIGHT — default) ──────────────────────── */
:root {
    --color-primary: #1E3A8A;
    --color-primary_h2: #185148;
    --color-primary-hover: #162d6e;
    --color-accent: #06B6D4;
    --color-accent-hover: #0891b2;
    --color-secondary: #7C3AED;
    --color-secondary_block: #79feff;
    --color-bg: #F9FAFB;
    --color-panel-bg: #EEF1F6;
    --color-surface: #FFFFFF;
    --color-text: #111827;
    --color-text-muted: #6B7280;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-border: #E5E7EB;
    /* Семантические алиасы для теней/границ/акцентов */
    --shadow-color-rgb: 0, 0, 0;
    --header-border: rgba(30, 58, 138, .05);
    --header-divider-edge: var(--color-bg);
    --panel-border: rgba(30, 58, 138, .08);
    --accent-soft: rgba(6, 182, 212, .04);
    --accent-focus-ring: rgba(6, 182, 212, .2);
    /* Footer disclaimer */
    --disclaimer-text: #B0B5BD;
    --disclaimer-title: #9CA3AE;
    /* Notice (legal lang notice) */
    --notice-bg: #FEF3C7;
    --notice-fg: #78350F;
    --notice-border: #FCD34D;
    /* Header geometry — золотое сечение */
    --golden: 1.618;
    --header-pad-y: 12px;
    --header-height: 56px;
    --header-side-gap: calc(var(--header-height) * 0.67);
    --header-pad-x: calc(var(--header-pad-y) * var(--golden));
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(var(--shadow-color-rgb), .08);
    --shadow-md: 0 4px 16px rgba(var(--shadow-color-rgb), .10);
    --shadow-lg: 0 8px 32px rgba(var(--shadow-color-rgb), .14);
    --transition: 0.2s ease;
}

/* ── DARK THEME OVERRIDES ─────────────────────────────────── */
[data-theme="dark"] {
    --color-primary: #93C5FD; /* светло-голубой для тёмного фона */
    --color-primary_h2: #74c1b5;
    --color-primary-hover: #BFDBFE;
    --color-accent: #22D3EE;
    --color-accent-hover: #67E8F9;
    --color-secondary: #A78BFA;
    --color-secondary_block: #3d8d8d;
    --color-bg: #0B1220; /* очень тёмный сине-чёрный */
    --color-panel-bg: #111A2E;
    --color-surface: #131C32;
    --color-text: #E5E7EB;
    --color-text-muted: #9CA3AF;
    --color-success: #34D399;
    --color-warning: #FBBF24;
    --color-danger: #F87171;
    --color-border: #2A3450;
    --shadow-color-rgb: 0, 0, 0;
    --header-border: rgba(147, 197, 253, .10);
    --header-divider-edge: var(--color-bg);
    --panel-border: rgba(147, 197, 253, .14);
    --accent-soft: rgba(34, 211, 238, .08);
    --accent-focus-ring: rgba(34, 211, 238, .25);
    --disclaimer-text: #6B7280;
    --disclaimer-title: #9CA3AF;
    --notice-bg: #3B2F0B;
    --notice-fg: #FDE68A;
    --notice-border: #92731A;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .35);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, .45);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, .55);
}

/* Если пользователь ничего не выбирал — используем системную тему */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --color-primary: #93C5FD;
        --color-primary-hover: #BFDBFE;
        --color-accent: #22D3EE;
        --color-accent-hover: #67E8F9;
        --color-secondary: #A78BFA;
        --color-secondary_block: #3d8d8d;
        --color-bg: #0B1220;
        --color-panel-bg: #111A2E;
        --color-surface: #131C32;
        --color-text: #E5E7EB;
        --color-text-muted: #9CA3AF;
        --color-success: #34D399;
        --color-warning: #FBBF24;
        --color-danger: #F87171;
        --color-border: #2A3450;
        --header-border: rgba(147, 197, 253, .10);
        --panel-border: rgba(147, 197, 253, .14);
        --accent-soft: rgba(34, 211, 238, .08);
        --accent-focus-ring: rgba(34, 211, 238, .25);
        --disclaimer-text: #6B7280;
        --disclaimer-title: #9CA3AF;
        --notice-bg: #3B2F0B;
        --notice-fg: #FDE68A;
        --notice-border: #92731A;
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, .35);
        --shadow-md: 0 4px 16px rgba(0, 0, 0, .45);
        --shadow-lg: 0 8px 32px rgba(0, 0, 0, .55);
    }
}

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition), color var(--transition);
}

main {
    flex: 1;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

    a:hover {
        color: var(--color-accent);
    }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.3;
}

.text-muted {
    color: var(--color-text-muted) !important;
}

.text-accent {
    color: var(--color-accent);
}

.text-secondary-brand {
    color: var(--color-secondary);
}

/* ============================================================
   HEADER
   ============================================================ */
#site-header {
    background-color: var(--color-bg) !important;
    padding: var(--header-pad-y) 0;
    position: relative;
    border-bottom: 1px solid var(--header-border);
    box-shadow: 0 2px 6px rgba(var(--shadow-color-rgb), .04);
}

    #site-header .container-fluid {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        position: relative;
        padding-left: var(--header-side-gap);
        padding-right: var(--header-side-gap);
    }

    #site-header .site-title {
        flex: 0 0 auto;
    }

    #site-header .site-title__link {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        text-decoration: none;
        line-height: 1;
    }

    #site-header .site-title__logo {
        width: 36px;
        height: 36px;
        flex-shrink: 0;
        display: block;
        transition: transform var(--transition);
    }

    #site-header .site-title__link:hover .site-title__logo {
        transform: scale(1.08);
    }

    #site-header .site-title__desktop {
        font-size: 1.4rem;
        font-weight: 900;
        color: var(--color-primary);
        letter-spacing: .06em;
        margin: 0;
        white-space: nowrap;
        transition: color var(--transition);
    }

    #site-header .site-title__link:hover .site-title__desktop {
        color: var(--color-accent);
    }

    #site-header .site-title__mobile {
        display: none;
    }

@media (max-width: 991.98px) {
    #site-header .site-title__desktop {
        display: none;
    }

    #site-header .site-title__mobile {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 0;
        line-height: 1.1;
    }

    #site-header .site-title__mobile-name {
        font-size: 1.05rem;
        font-weight: 900;
        color: var(--color-primary);
        letter-spacing: .06em;
        white-space: nowrap;
        transition: color var(--transition);
    }

    #site-header .site-title__mobile-desc {
        font-size: 0.65rem;
        font-weight: 500;
        color: var(--color-text-muted);
        letter-spacing: .08em;
        white-space: nowrap;
        text-transform: uppercase;
        transition: color var(--transition);
    }

    #site-header .site-title__link:hover .site-title__mobile-name {
        color: var(--color-accent);
    }

    #site-header .site-title__link:hover .site-title__mobile-desc {
        color: var(--color-accent);
    }

    #site-header .site-title__logo {
        width: 36px;
        height: 36px;
        align-self: center;
    }
}

/* — Главное меню (десктоп — центр) — */
@media (min-width: 992px) {
    #main-nav {
        flex: 1 1 auto;
        display: flex;
        justify-content: center;
    }

        #main-nav .navbar-nav {
            flex-direction: row;
            gap: 1.5rem;
        }
}

#site-header .nav-link {
    color: var(--color-primary) !important;
    font-weight: 300;
    font-size: 1.2rem;
    padding: .35rem .25rem;
    border-radius: 0;
    transition: color var(--transition);
}

    #site-header .nav-link:hover,
    #site-header .nav-link.active {
        color: var(--color-accent) !important;
        background: transparent;
    }

/* — Правая панель: иконки — */
#header-actions {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: .75rem;
    margin-left: auto;
}

.header-icon-btn {
    background: transparent;
    border: none;
    padding: .25rem .5rem;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    color: var(--color-primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition), background-color var(--transition), transform var(--transition);
}

    .header-icon-btn:hover,
    .header-icon-btn:focus {
        color: var(--color-accent);
        outline: none;
        transform: scale(1.05);
    }

    .header-icon-btn[aria-expanded="true"] {
        color: var(--color-primary-hover);
        background-color: var(--color-panel-bg);
        transform: none;
    }

    .header-icon-btn svg {
        display: block;
    }

/* — Кнопка переключения темы — */
#theme-toggle {
    /* наследует стили .header-icon-btn */
}

    #theme-toggle .theme-icon-sun {
        display: none;
    }

    #theme-toggle .theme-icon-moon {
        display: block;
    }

[data-theme="dark"] #theme-toggle .theme-icon-sun {
    display: block;
}

[data-theme="dark"] #theme-toggle .theme-icon-moon {
    display: none;
}

/* — Декоративная градиентная полоса — */
.header-divider {
    position: absolute;
    bottom: 0;
    left: 16.5%;
    width: 67%;
    height: 1px;
    background: linear-gradient(to right, var(--header-divider-edge) 0%, var(--color-primary) 50%, var(--header-divider-edge) 100%);
}

/* — Мобильная кнопка переключения темы внутри #main-nav — */
.theme-toggle-mobile {
    background: transparent;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: var(--color-primary) !important;
    font-weight: 300;
    font-size: 1rem;
    padding: .35rem .75rem;
    transition: color var(--transition);
}

.theme-toggle-mobile:hover,
.theme-toggle-mobile:focus {
    color: var(--color-accent) !important;
    outline: none;
}

.theme-toggle-mobile__icons {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
}

.theme-toggle-mobile .theme-icon-sun  { display: none; }

.theme-toggle-mobile .theme-icon-moon { display: block; }

[data-theme="dark"] .theme-toggle-mobile .theme-icon-sun  { display: block; }

[data-theme="dark"] .theme-toggle-mobile .theme-icon-moon { display: none; }

/* — Боковые collapse-панели — */
.side-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-panel-bg);
    border-bottom: 1px solid var(--panel-border);
    box-shadow: var(--shadow-sm);
    z-index: 1040;
    padding: .5rem var(--header-pad-x);
}

    .side-panel .navbar-nav {
        flex-direction: row;
        justify-content: center;
        gap: 1.5rem;
        flex-wrap: wrap;
    }

    .side-panel .nav-link.active {
        color: var(--color-accent) !important;
        font-weight: 500;
    }
    /* — Панель Tools: группировка пунктов по колонкам — */
    .side-panel .tools-groups {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: flex-start;
        gap: 1rem 2.5rem;
        padding: .25rem 0;
    }

    .side-panel .tools-group {
        display: flex;
        flex-direction: column;
        min-width: 12rem;
    }

    .side-panel .tools-group__title {
        font-size: .75rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: .04em;
        color: var(--color-accent);
        padding: .3rem .75rem;
        margin-bottom: .25rem;
        border-bottom: 1px solid var(--panel-border);
    }

    /* внутри группы — строго в столбик, друг под другом */
    .side-panel .tools-group__list.navbar-nav {
        flex-direction: column;
        flex-wrap: nowrap;
        justify-content: flex-start;
        align-items: stretch;
        gap: .1rem;
        min-width: 100%;
    }
/* ── Mobile (< 992px) ───────────────────────────────────── */
@media (max-width: 991.98px) {
    #site-header .container-fluid {
        padding-left: var(--header-pad-x);
        padding-right: var(--header-pad-x);
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        column-gap: .5rem;
    }

        #site-header .container-fluid > .header-icon-btn.d-lg-none {
            grid-column: 1;
            justify-self: start;
            margin: 0;
        }

    #site-header .site-title {
        grid-column: 2;
        justify-self: center;
        text-align: center;
    }

    #header-actions {
        grid-column: 3;
        justify-self: end;
        margin-left: 0;
    }

    #main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-panel-bg);
        border-top: 1px solid var(--panel-border);
        border-bottom: 1px solid var(--panel-border);
        box-shadow: var(--shadow-sm);
        padding: .5rem 0;
        z-index: 1041;
    }

        #main-nav .navbar-nav {
            flex-direction: column;
            gap: .25rem;
            align-items: center;
        }

    .side-panel {
        z-index: 1040;
    }

        .side-panel .navbar-nav {
            flex-direction: column;
            align-items: center;
            gap: .25rem;
        }
        .side-panel .tools-groups {
            flex-direction: column;
            align-items: center;
            gap: .75rem;
            min-width:100%;
        }

        .side-panel .tools-group {
            align-items: center;
            min-width: 0;
            min-width: 100%;
        }

        .side-panel .tools-group__title {
            text-align: center;
        }
}

/* ============================================================
   BUTTONS / CARDS / FORMS / BADGES
   ============================================================ */
.btn-primary,
.btn-prl-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-surface);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

    .btn-primary:hover,
    .btn-prl-primary:hover {
        background-color: var(--color-primary-hover);
        border-color: var(--color-primary-hover);
        transform: translateY(-1px);
        box-shadow: var(--shadow-sm);
    }

.btn-accent,
.btn-prl-accent {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-surface);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

    .btn-accent:hover,
    .btn-prl-accent:hover {
        background-color: var(--color-accent-hover);
        border-color: var(--color-accent-hover);
        transform: translateY(-1px);
    }

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition), background-color var(--transition), border-color var(--transition);
}

    .card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }

.card-title {
    color: var(--color-primary);
    font-weight: 700;
}

.badge-truth {
    background-color: var(--color-success);
    color: #fff;
}

.badge-warning {
    background-color: var(--color-warning);
    color: #fff;
}

.badge-danger {
    background-color: var(--color-danger);
    color: #fff;
}

.form-control, .form-select {
    background-color: var(--color-surface);
    border-color: var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition);
}

    .form-control:focus, .form-select:focus {
        background-color: var(--color-surface);
        color: var(--color-text);
        border-color: var(--color-accent);
        box-shadow: 0 0 0 3px var(--accent-focus-ring);
        outline: none;
    }

label {
    color: var(--color-text);
    font-weight: 500;
}

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
    background-color: var(--color-bg) !important;
    color: var(--color-primary);
    font-size: .875rem;
    position: relative;
    padding-top: 1.5rem !important;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    border-top: 1px solid var(--header-border);
}

    #site-footer::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 1px;
        background: var(--color-primary);
    }

.footer-links {
    line-height: 1.9;
}

.footer-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
    margin: 0 .25rem;
}

    .footer-link:hover {
        color: var(--color-accent);
        text-decoration: underline;
    }

.footer-sep {
    color: var(--color-text-muted);
    margin: 0 .25rem;
    user-select: none;
}

.footer-copyright {
    color: var(--color-primary);
    font-weight: 500;
}

.footer-disclaimer {
    color: var(--disclaimer-text);
    font-size: .78rem;
    line-height: 1.5;
    text-align: center;
}

.footer-disclaimer__title {
    color: var(--disclaimer-title);
    font-weight: 600;
    font-size: .8rem;
    letter-spacing: .02em;
}

.footer-disclaimer__text {
    color: var(--disclaimer-text);
}

@media (max-width: 575.98px) {
    .footer-links {
        line-height: 2.2;
    }

    .footer-sep {
        display: none;
    }

    .footer-link {
        display: inline-block;
        padding: .15rem .25rem;
    }
}

/* ============================================================
   ERROR PAGES / UTILITIES
   ============================================================ */
.error-page {
    min-height: 100vh;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-page__code {
    font-size: 8rem;
    font-weight: 900;
    line-height: 1;
    color: var(--color-primary);
    opacity: .15;
    user-select: none;
}

.error-page__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
}

.error-page__text {
    color: var(--color-text-muted);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.divider {
    border: none;
    border-top: 2px solid var(--color-border);
    margin: 2rem 0;
}

.surface {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

/* ============================================================
   COOKIE CONSENT
   ============================================================ */
.cookie-consent {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    background: var(--color-surface);
    color: var(--color-text);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -6px 24px rgba(var(--shadow-color-rgb), .10);
    transform: translateY(100%);
    transition: transform .25s ease;
}

    .cookie-consent.is-visible {
        transform: translateY(0);
    }

.cookie-consent__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding: .9rem 1rem;
}

.cookie-consent__text {
    color: var(--color-text);
    font-size: .9rem;
    flex: 1 1 320px;
    min-width: 0;
}

.cookie-consent__link {
    color: var(--color-primary);
    text-decoration: underline;
    margin-left: .25rem;
}

    .cookie-consent__link:hover {
        color: var(--color-accent);
    }

.cookie-consent__actions {
    display: flex;
    gap: .5rem;
    flex: 0 0 auto;
}

@media (max-width: 575.98px) {
    .cookie-consent__inner {
        justify-content: center;
        text-align: center;
    }

    .cookie-consent__actions {
        width: 100%;
        justify-content: center;
    }
}
/* ── Nested Tools submenu in main-nav ─────────────────────────────── */
.nav-submenu {
    padding-left: 1rem;
    list-style: none;
    margin: 0;
}

    .nav-submenu .nav-link {
        font-size: .95em;
        padding-top: .35rem;
        padding-bottom: .35rem;
    }

.nav-link--toggle {
    background: none;
    border: 0;
    text-align: left;
    width: 100%;
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    cursor: pointer;
}

.page-shell {
    max-width: 1080px; /* комфортная ширина для смешанного контента */
    margin: 0 auto;
    padding: 1.5rem 1.25rem 3rem;
}

.page-shell__header {
    margin: 0 0 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.page-shell__title {
    margin: 0 0 0.5rem;
    text-align: left;
    font-size: clamp(1.5rem, 2.2vw + 0.6rem, 2rem);
    line-height: 1.25;
    color: var(--color-primary);
}

.page-shell__intro {
    max-width: 70ch; /* ограничение длины строки для читаемости */
    margin: 0;
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

.page-shell__body {
    margin-top: 1.5rem;
}

/* Узкая колонка для преимущественно текстового контента */
.page-shell--narrow {
    max-width: 760px;
}

/* Сетка для страниц с иллюстрациями/диаграммами рядом с текстом */
.page-shell__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
}

@media (min-width: 992px) {
    .page-shell__grid--split {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        align-items: start;
    }
}

/* ── Mobile ────────────────────────────────────── */
@media (max-width: 575.98px) {
    .page-shell {
        padding: 1rem 1rem 2rem;
    }

    .page-shell__intro {
        max-width: 100%; /* на мобильном — во всю ширину */
        font-size: 1rem;
    }

    .page-shell__title {
        font-size: 1.4rem;
    }
}
/* ── Кнопка закрытия панели (крестик) ──────────────────────── */
.panel-close-btn {
    position: absolute;
    top: 50%;
    right: var(--header-pad-x, 1rem);
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    z-index: 1;
    flex-shrink: 0;
}

    .panel-close-btn:hover,
    .panel-close-btn:focus-visible {
        background: color-mix(in srgb, var(--color-accent) 12%, transparent);
        color: var(--color-primary);
        outline: none;
    }

/* В #main-nav крестик позиционируется относительно самой панели */
#main-nav {
    position: relative; /* уже absolute на мобильном — перекрыто @media ниже */
}

/* На мобильном main-nav уже absolute — position: relative не нужен */
@media (max-width: 991.98px) {
    #main-nav {
        position: absolute; /* восстанавливаем существующее поведение */
    }
}