/* ==========================================================================
   TradeAx — статьи и страницы модулей
   ========================================================================== */

.article-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 48px 24px 40px;
    position: relative;
    z-index: 1;
}

/* Хлебные крошки */
.article-nav {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.06em;
    color: var(--faint);
    margin-bottom: 26px;
}

.article-nav a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.article-nav .separator { margin: 0 10px; opacity: 0.5; }

/* Заголовок статьи */
.article-header { margin-bottom: 26px; }

.article-header h1 {
    font-size: clamp(28px, 4vw, 40px);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin: 0;
}

.title-cursor {
    display: inline-block;
    width: 12px;
    height: 26px;
    margin-left: 12px;
    vertical-align: -3px;
    border-radius: 3px;
    background: var(--grad);
    animation: cursorBlink 1.1s steps(1) infinite;
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Панель контента */
.article-plaque {
    position: relative;
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
    padding: 42px 46px;
    margin-bottom: 40px;
}

/* Контент */
.article-content {
    color: #ccd3e0;
    font-size: 16.5px;
    line-height: 1.8;
}

.article-content h2 {
    font-size: clamp(21px, 2.6vw, 27px);
    margin: 52px 0 18px;
    color: var(--text);
}

.article-content h2:first-child { margin-top: 0; }

.article-content h3 {
    font-size: 19px;
    margin: 36px 0 12px;
    color: #f5f7fc;
}

.article-content p { margin: 0 0 18px; }

.article-content strong { color: #fff; font-weight: 600; }

.article-content em { color: #e6eaf3; }

.article-content ul,
.article-content ol { margin: 0 0 20px 22px; padding: 0; }

.article-content li { margin-bottom: 10px; }

.article-content li::marker { color: var(--accent); }

.article-content a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(245, 166, 35, 0.35);
    transition: border-color 0.2s ease;
}

.article-content a:hover { border-bottom-color: var(--accent); }

.article-content code {
    font-family: var(--font-mono);
    font-size: 13.5px;
    background: rgba(245, 166, 35, 0.09);
    border: 1px solid rgba(245, 166, 35, 0.14);
    color: #FFD98A;
    padding: 2px 7px;
    border-radius: 6px;
}

.article-content pre {
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid var(--stroke);
    border-radius: var(--radius-sm);
    padding: 18px 22px;
    overflow-x: auto;
    margin: 20px 0;
}

.article-content pre code { background: none; border: none; padding: 0; color: #dbe0ea; }

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 22px 0;
    font-size: 14.5px;
    display: block;
    overflow-x: auto;
}

.article-content th {
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: left;
    color: var(--accent);
    padding: 12px 16px;
    border-bottom: 1px solid rgba(245, 166, 35, 0.25);
    background: rgba(245, 166, 35, 0.05);
}

.article-content td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--stroke);
    vertical-align: top;
}

.article-content tr:hover td { background: rgba(255, 255, 255, 0.02); }

.article-content blockquote {
    margin: 26px 0;
    padding: 18px 24px;
    border-left: 3px solid transparent;
    border-image: var(--grad) 1;
    background: linear-gradient(90deg, rgba(245, 166, 35, 0.08), rgba(245, 166, 35, 0.04));
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: #dfe4ee;
    font-size: 17px;
}

.article-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--stroke-hi), transparent);
    margin: 40px 0;
}

.article-content p[style] {
    text-align: center !important;
    margin-top: 44px !important;
    font-size: 15px !important;
    letter-spacing: 0.12em !important;
    color: var(--accent) !important;
}

/* Видео-плеер внутри статьи */
.article-video-player {
    margin: 36px 0 12px;
    border: 1px solid var(--stroke);
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

.video-label,
.viz-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    padding: 10px 16px;
    background: rgba(245, 166, 35, 0.05);
    border-bottom: 1px solid var(--stroke);
    margin: 0;
}

.article-video-player video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;
    object-fit: contain;
    background: #000;
}

/* Изображение внутри статьи (кликабельно — открывается в лайтбоксе) */
.article-image {
    position: relative;
    margin: 36px 0 12px;
    border: 1px solid var(--stroke);
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.45);
    overflow: hidden;
    cursor: zoom-in;
    outline: none;
}

.article-image:focus-visible {
    border-color: var(--stroke-hi);
    box-shadow: 0 0 0 2px rgba(245, 166, 35, 0.25);
}

.image-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    padding: 10px 16px;
    background: rgba(245, 166, 35, 0.05);
    border-bottom: 1px solid var(--stroke);
    margin: 0;
}

.article-image img {
    display: block;
    width: 100%;
    height: auto;
    background: #000;
}

.image-zoom {
    position: absolute;
    right: 12px;
    bottom: 12px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--stroke-hi);
    background: rgba(10, 12, 19, 0.82);
    color: var(--muted);
    opacity: 0.75;
    transition: opacity 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.article-image:hover .image-zoom,
.article-image:focus-visible .image-zoom {
    opacity: 1;
    color: var(--accent);
    border-color: rgba(245, 166, 35, 0.45);
}

/* ==========================================================================
   Схема агрегации данных (SVG) внутри статьи
   ========================================================================== */

.article-viz {
    margin: 36px 0 12px;
    border: 1px solid var(--stroke);
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

.article-viz svg {
    display: block;
    width: 100%;
    height: auto;
}

.viz-scroll { overflow: hidden; }

/* Текстовые слои схемы */
.article-viz .v-title {
    font-family: var(--font-mono);
    font-size: 30px;
    font-weight: 600;
    letter-spacing: 0.06em;
    fill: #eef1f7;
}

.article-viz .v-sub {
    font-family: var(--font-body);
    font-size: 15px;
    fill: var(--muted);
}

.article-viz .v-cap {
    font-family: var(--font-mono);
    font-size: 15px;
    letter-spacing: 0.08em;
    fill: var(--accent);
}

.article-viz .v-capsub {
    font-family: var(--font-body);
    font-size: 13px;
    fill: var(--faint);
}

.article-viz .v-name {
    font-family: var(--font-mono);
    font-size: 16px;
    fill: #ffd166;
}

.article-viz .v-note {
    font-family: var(--font-mono);
    font-size: 12px;
    fill: var(--faint);
}

.article-viz .v-core-title {
    font-family: var(--font-mono);
    font-size: 16.5px;
    letter-spacing: 0.04em;
    fill: var(--accent);
}

.article-viz .v-step {
    font-family: var(--font-body);
    font-size: 14.5px;
    font-weight: 600;
    fill: #dbe2ee;
}

.article-viz .v-step.hl { fill: var(--accent); }

.article-viz .v-suffix {
    font-family: var(--font-mono);
    font-size: 11px;
    fill: var(--faint);
}

.article-viz .v-chip {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.04em;
    fill: #c9d0de;
}

.article-viz .v-chip.hi { fill: #ffd166; }

.article-viz .v-chip.lo { fill: #8b94a7; }

.article-viz .v-panel-title {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 700;
    fill: #f2f4f8;
}

.article-viz .v-status {
    font-family: var(--font-body);
    font-size: 13px;
    fill: #c9d0de;
}

.article-viz .v-annot {
    font-family: var(--font-mono);
    font-size: 12.5px;
    fill: #ffd166;
}

.article-viz .v-bars-cap {
    font-family: var(--font-body);
    font-size: 13px;
    fill: var(--muted);
}

.article-viz .v-filter {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    fill: var(--accent);
}

.article-viz .v-foot-l {
    font-family: var(--font-body);
    font-size: 13.5px;
    fill: var(--faint);
}

.article-viz .v-foot-c {
    font-family: var(--font-body);
    font-size: 13.5px;
    font-weight: 600;
    fill: var(--accent);
}

.article-viz .v-foot-r {
    font-family: var(--font-body);
    font-size: 13.5px;
    font-weight: 500;
    fill: #ffd166;
}

/* Анимации схемы */
.article-viz .v-flow {
    fill: none;
    stroke: rgba(245, 166, 35, 0.55);
    stroke-width: 1.5;
    stroke-dasharray: 4 8;
    animation: viz-flow 1.2s linear infinite;
}

.article-viz .v-chart {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    animation: viz-draw 2s ease 0.2s forwards;
    filter: drop-shadow(0 0 7px rgba(245, 166, 35, 0.4));
}

.article-viz .v-area {
    opacity: 0;
    animation: viz-fade 1.1s ease 1.2s forwards;
}

.article-viz .v-pulse { animation: viz-blink 2.8s ease-in-out infinite; }

@keyframes viz-flow { to { stroke-dashoffset: -12; } }
@keyframes viz-draw { to { stroke-dashoffset: 0; } }
@keyframes viz-fade { to { opacity: 1; } }
@keyframes viz-blink { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
    .article-viz .v-flow,
    .article-viz .v-chart,
    .article-viz .v-area,
    .article-viz .v-pulse { animation: none; }
    .article-viz .v-chart { stroke-dashoffset: 0; }
    .article-viz .v-area { opacity: 1; }
}

/* Кнопка-ссылка на видео */
.article-video-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding: 12px 20px;
    background: var(--panel);
    border: 1px solid var(--stroke-hi);
    border-radius: 12px;
    color: var(--accent);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s ease;
}

.article-video-link:hover {
    background: rgba(245, 166, 35, 0.08);
    border-color: rgba(245, 166, 35, 0.5);
}

.article-video-link::before { content: "▶"; font-size: 10px; }

/* Смотрите также */
.related-articles {
    margin-top: 54px;
    padding-top: 28px;
    border-top: 1px solid var(--stroke);
}

.related-title {
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--faint);
    margin: 0 0 20px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.related-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--stroke);
    border-radius: var(--radius-sm);
    color: #dbe0ea;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.25s ease;
}

.related-link:hover {
    border-color: rgba(245, 166, 35, 0.45);
    background: rgba(245, 166, 35, 0.05);
    color: var(--accent);
    transform: translateY(-2px);
}

.related-link .related-icon {
    color: var(--accent);
    opacity: 0.6;
    font-size: 13px;
}

/* Адаптив */
@media (max-width: 768px) {
    .article-container { padding: 32px 18px 30px; }
    .article-plaque { padding: 26px 22px; }
    .article-content { font-size: 15.5px; }
    .article-content table { font-size: 13.5px; }
    .article-content th,
    .article-content td { padding: 8px 10px; }
}

/* На узких экранах схема агрегации прокручивается по горизонтали */
@media (max-width: 640px) {
    .viz-scroll {
        overflow-x: auto;
        scrollbar-width: thin;
        scrollbar-color: rgba(245, 166, 35, 0.3) rgba(255, 255, 255, 0.05);
    }
    .viz-scroll svg { min-width: 760px; }
    .viz-scroll::-webkit-scrollbar { height: 5px; }
    .viz-scroll::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.05); border-radius: 3px; }
    .viz-scroll::-webkit-scrollbar-thumb { background: rgba(245, 166, 35, 0.3); border-radius: 3px; }
}