/*
Theme Name: dds_kopcaapps.com
Theme URI: https://kopcaapps.com
Author: Алексей Волков
Author URI: https://kopcaapps.com
Description: Тема для независимого аналитического онлайн-журнала об устройстве интернета, high-tech-решениях и их влиянии на бизнес и инженерию. Инженерная минималистичность: интерфейс приборной панели с тактильной теплотой печатного журнала.
Version: 1.1
Requires at least: 6.0
Requires PHP: 8.0
Text Domain: kopca
*/

/* ============================================================
   Переменные
   ============================================================ */
:root {
    --bg:        #0E1113;
    --card:      #171B1E;
    --border:    #2A2F35;
    --text:      #E6EDF3;
    --muted:     #9AA4AD;
    --accent:    #E06C2E;
    --accent-hi: #F47C3C;
    --green:     #4F9A6B;
    --red:       #B3413B;
    --blue:      #2A4B6E;
    --mono: "JetBrains Mono", "Courier New", monospace;
    --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
    --shell: min(92%, 1180px);
}

/* ============================================================
   База
   ============================================================ */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--serif);
    font-size: 18px;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover { color: var(--accent-hi); text-decoration: underline; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--mono);
    color: var(--text);
    line-height: 1.3;
    margin: 1.4em 0 0.6em;
}
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1.1em; }

code, pre, kbd {
    font-family: var(--mono);
    background: #0B0E10;
    color: var(--green);
    border: 1px solid var(--border);
    border-radius: 4px;
}
code, kbd { padding: 0.1em 0.4em; font-size: 0.9em; }
pre {
    padding: 1em 1.2em;
    overflow-x: auto;
    border-radius: 4px;
}
pre code { border: 0; padding: 0; background: none; }

blockquote {
    margin: 1.4em 0;
    padding: 0.6em 1.2em;
    border-left: 3px solid var(--blue);
    background: rgba(42, 75, 110, 0.18);
    color: var(--text);
}

table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--border);
    margin: 1.4em 0;
}
th, td {
    border: 1px solid var(--border);
    padding: 0.55em 0.8em;
    text-align: left;
}
th {
    background: #1F2429;
    font-family: var(--mono);
    font-size: 0.92rem;
}

hr { border: 0; border-top: 1px solid var(--border); margin: 2em 0; }

/* ============================================================
   Контейнеры и раскладки
   ============================================================ */
.shell {
    width: var(--shell);
    margin-inline: auto;
}

.layout-with-sidebar {
    display: grid;
    grid-template-columns: minmax(0, 67fr) minmax(0, 27fr);
    gap: 40px;
    margin: 36px auto;
}

.layout-single {
    width: 85%;
    margin: 36px auto;
    display: block;
}

.content-area { min-width: 0; }

.skip-link {
    position: absolute;
    left: -999px;
}
.skip-link:focus {
    left: 12px; top: 12px;
    background: var(--accent);
    color: var(--bg);
    padding: 8px 14px;
    z-index: 999;
    border-radius: 4px;
}

/* ============================================================
   Шапка
   ============================================================ */
.site-header {
    border-bottom: 1px solid var(--border);
    background: var(--card);
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 18px 0;
    flex-wrap: wrap;
}
.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
    text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-logo,
.brand-logo-svg {
    width: 52px;
    height: 52px;
    display: block;
    flex: 0 0 auto;
}
.brand-text { min-width: 0; }
.brand-name {
    font-family: var(--mono);
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
    line-height: 1.35;
    display: block;
}
.brand-desc {
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.4;
    display: block;
    margin-top: 2px;
}
.header-tools {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 14px;
}

/* Переключатель «Режим Инженерия» */
.eng-toggle {
    font-family: var(--mono);
    font-size: 0.78rem;
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
}
.eng-toggle:hover { background: var(--border); }
.eng-toggle[aria-pressed="true"] {
    border-color: var(--green);
    color: var(--green);
}

/* Навигация */
.nav-toggle {
    display: none;
    font-family: var(--mono);
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
}
.main-nav { border-top: 1px solid var(--border); }
.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    width: var(--shell);
    margin-inline: auto;
}
.main-nav a {
    display: block;
    font-family: var(--mono);
    font-size: 0.9rem;
    color: var(--text);
    padding: 12px 16px;
    border-bottom: 2px solid transparent;
}
.main-nav a:hover {
    color: var(--accent);
    text-decoration: none;
    border-bottom-color: var(--accent);
}
.main-nav .current-menu-item > a {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* ============================================================
   Кнопки
   ============================================================ */
.btn,
.btn-primary {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.88rem;
    padding: 11px 18px;
    border-radius: 4px;
    border: 1px solid transparent;
    background: var(--accent);
    color: var(--bg);
    cursor: pointer;
    text-decoration: none;
}
.btn:hover,
.btn-primary:hover {
    background: var(--accent-hi);
    border-color: #FFFFFF;
    color: var(--bg);
    text-decoration: none;
}
.btn-secondary {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.88rem;
    padding: 11px 18px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
    cursor: pointer;
    text-decoration: none;
}
.btn-secondary:hover {
    background: var(--border);
    color: var(--text);
    text-decoration: none;
}

/* Кнопки-кейкапы для категорий */
.keycaps {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}
.keycap {
    font-family: var(--mono);
    font-size: 0.8rem;
    background: #1F2429;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 3px;
    border-bottom-width: 3px;
    padding: 7px 12px;
    text-decoration: none;
    transition: transform 0.05s ease;
}
.keycap:hover {
    color: var(--accent);
    text-decoration: none;
}
.keycap:active {
    transform: translateY(2px);
    border-bottom-width: 1px;
}

/* ============================================================
   Хлебные крошки
   ============================================================ */
.breadcrumbs {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--muted);
    padding: 14px 0;
    margin: 0;
}
.breadcrumbs a { color: var(--green); }
.breadcrumbs .sep { color: var(--border); margin: 0 4px; }
.breadcrumbs span:last-child { color: var(--text); }

/* ============================================================
   Карточки записей
   ============================================================ */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: 24px;
}

.card {
    display: flex;
    flex-direction: column;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    min-width: 0;
}
.card-thumb {
    display: block;
    overflow: hidden;
}
.card-thumb img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
}
.card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 18px 20px;
    min-width: 0;
}
.card-title {
    font-size: 1.1rem;
    margin: 0 0 8px;
}
.card-title a { color: var(--text); }
.card-title a:hover { color: var(--accent); text-decoration: none; }
.card-excerpt {
    color: var(--muted);
    font-size: 0.95rem;
    flex: 1;
}
.card-excerpt p {
    margin: 0 0 0.5em;
    background: none;
}
.card .post-meta { margin-bottom: 10px; }
.card-foot { margin-top: 14px; }

/* Горизонтальная карточка (лента блога) */
.card-row {
    flex-direction: row;
}
.card-row .card-thumb-wrap {
    flex: 0 0 280px;
    position: relative;
    overflow: hidden;
}
.card-row .card-thumb-wrap a {
    display: block;
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
}
.card-row .card-thumb-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ============================================================
   Мета и волновой индикатор
   ============================================================ */
.post-meta {
    font-family: var(--mono);
    font-size: 0.76rem;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.meta-date { color: var(--green); }
.meta-cat { color: var(--accent); }
.meta-wave {
    display: inline-flex;
    align-items: flex-end;
    gap: 2px;
    height: 12px;
}
.meta-wave i {
    width: 3px;
    background: var(--green);
    display: block;
    border-radius: 1px;
    animation: kopca-wave 1.4s ease-in-out infinite;
}
.meta-wave i:nth-child(1) { height: 4px;  animation-delay: 0s; }
.meta-wave i:nth-child(2) { height: 9px;  animation-delay: 0.15s; }
.meta-wave i:nth-child(3) { height: 12px; animation-delay: 0.3s; }
.meta-wave i:nth-child(4) { height: 7px;  animation-delay: 0.45s; }
.meta-wave i:nth-child(5) { height: 5px;  animation-delay: 0.6s; }
@keyframes kopca-wave {
    0%, 100% { transform: scaleY(0.5); }
    50%      { transform: scaleY(1); }
}

/* ============================================================
   Пагинация
   ============================================================ */
.pager {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 32px 0;
}
.pager-cell .page-numbers {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.85rem;
    padding: 8px 13px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--card);
    color: var(--text);
    text-decoration: none;
}
.pager-cell a.page-numbers:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.pager-cell .page-numbers.current {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}
.pager-cell .page-numbers.dots {
    background: none;
    border-color: transparent;
}

/* ============================================================
   Виджеты — общие
   ============================================================ */
.widget {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 18px 20px;
    margin-bottom: 22px;
}
.widget-title {
    font-family: var(--mono);
    font-size: 0.95rem;
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.widget ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.widget li {
    padding: 6px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 0.92rem;
}
.widget li:last-child { border-bottom: 0; }

/* Сайдбар: тёмная карточка, светлый текст */
.sidebar .widget {
    color: var(--text);
}
.sidebar .widget-title { color: var(--text); }
.sidebar .widget a { color: var(--green); }
.sidebar .widget a:hover { color: var(--accent-hi); }
.sidebar .widget .post-date {
    display: block;
    font-family: var(--mono);
    font-size: 0.74rem;
    color: var(--muted);
}

/* ============================================================
   Подвал
   ============================================================ */
.site-footer {
    border-top: 1px solid var(--border);
    background: #0B0E10;
    margin-top: 48px;
    padding: 40px 0 24px;
}
.footer-cols {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}
/* Текст виджетов в подвале — явно светлый на тёмном фоне */
.footer-cols .widget {
    background: var(--card);
    color: var(--text);
}
.footer-cols .widget-title { color: var(--text); }
.footer-cols .widget,
.footer-cols .widget p,
.footer-cols .widget li { color: var(--muted); }
.footer-cols .widget a { color: var(--green); }
.footer-cols .widget a:hover { color: var(--accent-hi); }

.footer-ascii {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--green);
    white-space: pre;
    overflow-x: auto;
    margin: 28px 0 14px;
    line-height: 1.25;
}
.footer-ascii .blip { color: var(--accent); }

.site-copyright {
    border-top: 1px solid var(--border);
    padding-top: 18px;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--muted);
    text-align: center;
}

/* ============================================================
   Cookie-баннер
   ============================================================ */
.cookie-banner[hidden] { display: none !important; }

.cookie-banner {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 200;
    background: var(--card);
    border-top: 1px solid var(--accent);
    padding: 14px 0;
}
.cookie-inner {
    width: var(--shell);
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}
.cookie-text {
    flex: 1;
    min-width: 0;
    font-size: 0.86rem;
    color: var(--muted);
    margin: 0;
}
.cookie-text a { color: var(--green); }

/* ============================================================
   Контент записи / страницы
   ============================================================ */
.entry {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 28px 32px;
}
.entry-title { margin-top: 0; }
.entry-thumb {
    margin: 0 0 22px;
}
.entry-thumb img {
    display: block;
    width: 100%;
    border-radius: 4px;
}
.entry-content { font-family: var(--serif); }
.entry-content img { display: block; border-radius: 4px; }

.entry-content a { color: var(--accent); }

/* Блок «Курилка дата-центра» под статьёй */
.smoke-room {
    margin-top: 26px;
    border: 1px dashed var(--border);
    border-radius: 4px;
    padding: 18px 22px;
    background: rgba(42, 75, 110, 0.12);
}
.smoke-room h3 {
    margin-top: 0;
    font-size: 0.95rem;
    color: var(--green);
}
.smoke-room .ad-strike {
    text-decoration: line-through;
    color: var(--red);
}
.smoke-room .sticker {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.72rem;
    background: var(--accent);
    color: var(--bg);
    padding: 3px 8px;
    border-radius: 3px;
    transform: rotate(-3deg);
}

/* ============================================================
   Комментарии — IRC-лог
   ============================================================ */
.comments-area {
    margin-top: 30px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 24px 28px;
}
.comments-title { margin-top: 0; }
.comment-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.comment-list .children {
    list-style: none;
    margin: 0 0 0 22px;
    padding-left: 16px;
    border-left: 1px solid var(--border);
}
.chat-line {
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
}
.chat-head {
    font-family: var(--mono);
    font-size: 0.8rem;
}
.chat-time { color: var(--muted); }
.chat-nick { color: var(--accent); margin-left: 6px; }
.chat-body {
    font-family: var(--mono);
    font-size: 0.9rem;
    color: var(--text);
    margin: 4px 0;
}
.chat-pending { color: var(--red); font-size: 0.82rem; }
.chat-tools {
    font-family: var(--mono);
    font-size: 0.78rem;
}
.chat-tools a { color: var(--green); }
.comment-respond {
    margin-top: 20px;
    border-top: 1px solid var(--border);
    padding-top: 18px;
}
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 9px 11px;
    font-family: var(--mono);
    font-size: 0.9rem;
}
.comment-form label { font-size: 0.85rem; color: var(--muted); }

/* ============================================================
   Форма поиска
   ============================================================ */
.search-form {
    display: flex;
    gap: 8px;
}
.search-form .search-field {
    flex: 1;
    min-width: 0;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 10px 12px;
    font-family: var(--mono);
    font-size: 0.9rem;
}
.search-form .search-submit {
    font-family: var(--mono);
    background: var(--accent);
    color: var(--bg);
    border: 1px solid transparent;
    border-radius: 4px;
    padding: 10px 16px;
    cursor: pointer;
}
.search-form .search-submit:hover {
    background: var(--accent-hi);
    border-color: #FFFFFF;
}

/* ============================================================
   Главная
   ============================================================ */
.front-inner {
    width: 85%;
    margin-inline: auto;
    display: block;
}
.front-section {
    margin: 44px 0;
}
.front-section > h2 {
    font-size: 1.6rem;
    border-left: 4px solid var(--accent);
    padding-left: 14px;
}
.lead {
    color: var(--muted);
    font-size: 1.05rem;
}

.feature-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: 20px;
}
.feature-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 20px 22px;
    min-width: 0;
}
.feature-box h3 {
    margin-top: 0;
    font-size: 1.05rem;
    color: var(--accent);
}

/* Схема стека OSI / TCP-IP */
.stack-diagram {
    font-family: var(--mono);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}
.stack-layer {
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    gap: 14px;
    font-size: 0.85rem;
}
.stack-layer:last-child { border-bottom: 0; }
.stack-layer span:first-child { color: var(--accent); }
.stack-layer span:last-child { color: var(--muted); }

/* Слайдер-витрина протоколов */
.proto-slider {
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--card);
    padding: 24px 26px;
    min-height: 150px;
}
.proto-slide { display: none; }
.proto-slide.is-active { display: block; }
.proto-slide h3 { margin-top: 0; color: var(--green); }
.proto-slide .hexdump {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--muted);
    white-space: pre-wrap;
}
.proto-dots {
    display: flex;
    gap: 6px;
    margin-top: 14px;
}
.proto-dots button {
    width: 26px; height: 6px;
    border: 0;
    background: var(--border);
    border-radius: 2px;
    cursor: pointer;
    padding: 0;
}
.proto-dots button.is-active { background: var(--accent); }

/* Декоративные панели «Режим Инженерия» */
.eng-panel { display: none; }
body.kopca-eng .eng-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
    gap: 14px;
    margin: 24px 0;
}
.eng-meter {
    border: 1px solid var(--green);
    border-radius: 4px;
    padding: 12px 14px;
    font-family: var(--mono);
    font-size: 0.78rem;
    background: rgba(79, 154, 107, 0.08);
}
.eng-meter b { color: var(--green); display: block; font-size: 1.1rem; }
body.kopca-eng .eng-hint { color: var(--green); }

/* ============================================================
   404
   ============================================================ */
.error-404 {
    text-align: center;
    padding: 40px 0;
}
.error-404 .code-404 {
    font-family: var(--mono);
    font-size: 4rem;
    color: var(--accent);
    margin: 0;
}
.error-404 .search-form {
    max-width: 460px;
    margin: 22px auto;
}

/* ============================================================
   Адаптив
   ============================================================ */
@media (max-width: 960px) {
    .layout-with-sidebar {
        grid-template-columns: minmax(0, 1fr);
    }
    .footer-cols {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }
    .layout-single,
    .front-inner { width: 100%; }
}

@media (max-width: 600px) {
    body { font-size: 17px; }
    h1 { font-size: 1.6rem; }

    .nav-toggle { display: block; }
    .main-nav ul {
        display: none;
        flex-direction: column;
        gap: 0;
    }
    .main-nav.is-open ul { display: flex; }
    .main-nav a { padding: 14px 4px; }

    .header-tools { width: 100%; margin-left: 0; }

    .footer-cols { grid-template-columns: minmax(0, 1fr); }

    .entry { padding: 20px 18px; }
    .comments-area { padding: 18px 16px; }

    /* Горизонтальная карточка → вертикальная */
    .card-row { flex-direction: column; }
    .card-row .card-thumb-wrap {
        flex: none;
        width: 100%;
        position: static;
    }
    .card-row .card-thumb-wrap a {
        position: static;
    }
    .card-row .card-thumb-wrap img {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
    }

    /* Кнопки выше на мобильных */
    .btn, .btn-primary, .btn-secondary,
    .search-form .search-submit {
        min-height: 48px;
        padding-top: 13px;
        padding-bottom: 13px;
    }
}