/* QuantumPhones — Blog Article Page Styling (dark theme) */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap");

:root {
  --void: #0A0612; --void-2: #0E0818; --surface-1: #120A1F; --surface-2: #1C1230; --surface-3: #271943;
  --line: rgba(255,255,255,0.08); --line-2: rgba(255,255,255,0.14); --line-accent: rgba(176,112,255,0.35);
  --fg-1: rgba(255,255,255,0.96); --fg-2: rgba(255,255,255,0.75); --fg-3: rgba(255,255,255,0.50); --fg-4: rgba(255,255,255,0.22);
  --violet-300: #B070FF; --violet-500: #7B3DFF; --violet-600: #612AD9; --iris: #FF5FE2;
  --link: #B070FF; --link-hover: #D4AFFF;
  --grad-spine: linear-gradient(135deg, #7B3DFF 0%, #B070FF 50%, #FF5FE2 100%);
  --grad-aurora: radial-gradient(120% 80% at 85% -10%, rgba(123,61,255,0.18) 0%, transparent 55%), radial-gradient(90% 70% at 10% 110%, rgba(255,95,226,0.12) 0%, transparent 55%);
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* {box-sizing: border-box;}
html, body {margin: 0; padding: 0;}
body {font-family: var(--font-sans); background: var(--void); color: var(--fg-1); line-height: 1.7; -webkit-font-smoothing: antialiased; min-height: 100vh; background-image: var(--grad-aurora); background-attachment: fixed; font-size: 17px;}

.qp-topnav {border-bottom: 1px solid var(--line); background: rgba(10,6,18,0.85); backdrop-filter: blur(20px); padding: 1rem 1.5rem; position: sticky; top: 0; z-index: 100;}
.qp-topnav-inner {max-width: 1200px; margin: 0 auto; display: flex; gap: 1.75rem; align-items: center;}
.qp-topnav a {color: var(--fg-2); font-weight: 500; font-size: 0.92rem; text-decoration: none; transition: color 0.15s;}
.qp-topnav a:hover {color: var(--fg-1);}
.qp-lockup {display: inline-flex; align-items: center; gap: 10px; color: var(--fg-1); font-weight: 600; letter-spacing: -.01em; text-decoration: none !important;}
.qp-lockup:hover {opacity: 0.85;}
.qp-word {font-family: var(--font-mono); font-size: 15px; line-height: 1; color: var(--fg-1);}
.qp-word b {color: var(--violet-300); font-weight: 600;}
.qp-topnav .spacer {flex: 1;}
.qp-topnav a.qp-cta {background: var(--grad-spine); color: #fff !important; padding: 0.5rem 1.1rem; border-radius: 8px; font-weight: 600; font-size: 0.88rem; display: inline-flex; align-items: center; gap: 0.4rem; transition: transform 0.15s, box-shadow 0.15s;}
.qp-topnav a.qp-cta:hover {transform: translateY(-1px); box-shadow: 0 8px 24px rgba(123,61,255,0.35); color: #fff !important;}
.qp-topnav a.qp-cta svg {width: 16px; height: 16px;}

.post-wrap {max-width: 1200px; margin: 0 auto; padding: 3rem 1.5rem 4rem; display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 3.5rem; align-items: start;}
.post {order: 2; max-width: 760px; width: 100%; margin: 0; padding: 0;}
.post-sidebar {order: 1; position: sticky; top: 100px; display: flex; flex-direction: column; gap: 1.5rem; font-size: 0.88rem;}
.sidebar-card {background: var(--surface-1); border: 1px solid var(--line); border-radius: 14px; padding: 1.25rem;}
.sidebar-card h4 {font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--fg-3); margin: 0 0 1rem; font-weight: 600;}
.toc-list {list-style: none; padding: 0; margin: 0;}
.toc-list li {margin: 0 0 0.5rem;}
.toc-list a {display: block; padding: 0.45rem 0.7rem; color: var(--fg-2); text-decoration: none; border-radius: 8px; border-left: 2px solid transparent; font-size: 0.87rem; line-height: 1.4; transition: all 0.15s;}
.toc-list a:hover {color: var(--fg-1); background: var(--surface-2);}
.toc-list a.active {color: var(--violet-300); border-left-color: var(--violet-300); background: rgba(123,61,255,0.08);}
.author-card .author-name {color: var(--fg-1); font-weight: 600; margin-bottom: 0.3rem;}
.author-card .author-role {color: var(--fg-3); font-family: var(--font-mono); font-size: 0.78rem; margin-bottom: 0.8rem;}
.author-card p {color: var(--fg-2); font-size: 0.85rem; line-height: 1.55; margin: 0 0 1rem;}
.sidebar-cta {background: var(--grad-spine); color: #fff; padding: 1.25rem; border-radius: 14px; text-align: center; text-decoration: none !important; display: block; transition: transform 0.15s;}
.sidebar-cta:hover {transform: translateY(-2px); color: #fff !important;}
.sidebar-cta strong {display: block; font-size: 0.95rem; font-weight: 700;}

.post .breadcrumb {display: flex; gap: 0.5rem; align-items: center; font-family: var(--font-mono); font-size: 0.78rem; color: var(--fg-3); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 2rem;}
.post .breadcrumb a {color: var(--fg-3); text-decoration: none;}
.post .breadcrumb a:hover {color: var(--violet-300);}
.post-pill {display: inline-flex; align-items: center; background: var(--grad-spine); color: #fff; padding: 0.4rem 1.05rem; border-radius: 999px; font-size: 0.8rem; font-weight: 600; margin: 1.25rem 0 1.5rem; box-shadow: 0 4px 16px rgba(123,61,255,0.35);}
.post h1 {font-size: clamp(2rem, 4.5vw, 3.25rem); line-height: 1.12; letter-spacing: -0.03em; font-weight: 700; margin: 0 0 1.5rem; background: linear-gradient(135deg, #7B3DFF 0%, #B070FF 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; color: transparent !important;}
.post-meta-row {display: flex; gap: 1.75rem; flex-wrap: wrap; margin: 1.5rem 0 2.5rem; padding-bottom: 1.75rem; border-bottom: 1px solid var(--line); font-family: var(--font-mono); font-size: 0.85rem; color: var(--fg-3);}
.post-meta-item {display: inline-flex; align-items: center; gap: 0.5rem;}
.post-meta-item.accent {color: var(--violet-300);}
.post-meta-item svg {width: 16px; height: 16px; flex-shrink: 0;}
.post hr {border: none; border-top: 1px solid var(--line); margin: 3rem 0;}
.post h2 {font-size: 1.65rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.25; margin: 3.5rem 0 1.25rem; color: var(--fg-1);}
.post h2::before {content: ""; display: inline-block; width: 4px; height: 1.2em; background: var(--grad-spine); border-radius: 2px; vertical-align: -0.18em; margin-right: 0.7rem;}
.post h3 {font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; margin: 2.5rem 0 0.85rem; color: var(--fg-1);}
.post h4 {font-size: 1.05rem; font-weight: 600; color: var(--fg-1); margin: 2rem 0 0.65rem;}
.post p {color: var(--fg-2); margin: 0 0 1.25rem; font-size: 1.05rem; line-height: 1.75;}
.post p strong, .post li strong {color: var(--fg-1); font-weight: 600;}
.post ul, .post ol {color: var(--fg-2); padding-left: 1.5rem; margin: 0 0 1.5rem;}
.post li {margin-bottom: 0.55rem; line-height: 1.7;}
.post ul li::marker, .post ol li::marker {color: var(--violet-300);}
.post a {color: var(--link); text-decoration: none; border-bottom: 1px solid rgba(176,112,255,0.3); transition: all 0.15s;}
.post a:hover {color: var(--link-hover); border-bottom-color: var(--link-hover);}
.post blockquote {margin: 1.75rem 0; padding: 1.25rem 1.5rem; background: var(--surface-1); border-left: 3px solid var(--violet-300); border-radius: 0 10px 10px 0; color: var(--fg-1); font-style: italic;}
.post code {background: var(--surface-2); color: var(--violet-300); padding: 0.15rem 0.45rem; border-radius: 4px; font-family: var(--font-mono); font-size: 0.9em; border: 1px solid var(--line);}
.post pre {background: var(--void-2); color: var(--fg-1); padding: 1.25rem 1.5rem; border-radius: 12px; border: 1px solid var(--line); overflow-x: auto; margin: 1.75rem 0; font-size: 0.9rem;}
.post pre code {background: transparent; color: inherit; padding: 0; border: none;}
.post table {width: 100%; border-collapse: collapse; margin: 1.75rem 0; font-size: 0.95rem; background: var(--surface-1); border-radius: 12px; overflow: hidden; border: 1px solid var(--line);}
.post th, .post td {padding: 0.85rem 1rem; text-align: left; border-bottom: 1px solid var(--line); color: var(--fg-2);}
.post th {background: var(--surface-2); color: var(--fg-1); font-weight: 600; font-family: var(--font-mono); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em;}
.post tr:last-child td {border-bottom: none;}
.post img {max-width: 100%; height: auto; border-radius: 10px; margin: 1.5rem 0;}

.faq-list {display: flex; flex-direction: column; gap: 0.6rem; margin: 1.5rem 0;}
.faq-item {background: var(--surface-1); border: 1px solid var(--line); border-radius: 12px; overflow: hidden;}
.faq-item[open] {border-color: var(--line-accent); background: var(--surface-2);}
.faq-item summary {list-style: none; cursor: pointer; padding: 1.1rem 1.35rem; font-weight: 600; color: var(--fg-1); font-size: 1rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem;}
.faq-item summary::-webkit-details-marker {display: none;}
.faq-item summary::after {content: "+"; font-family: var(--font-mono); color: var(--violet-300); font-size: 1.5rem; line-height: 1;}
.faq-item[open] summary::after {content: "−";}
.faq-item .faq-answer {padding: 0 1.35rem 1.25rem; color: var(--fg-2); font-size: 0.95rem; line-height: 1.65;}

.bottom-cta {position: relative; margin: 4rem 0 0; padding: 3rem 2.5rem; background: linear-gradient(135deg, #150A2A 0%, #1A0F36 100%); border: 1px solid var(--line-2); border-radius: 20px; text-align: center; overflow: hidden;}
.bottom-cta::after {content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(123,61,255,0.25), transparent 60%); pointer-events: none;}
.bottom-cta > * {position: relative; z-index: 1;}
.bottom-cta h3 {font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 700; letter-spacing: -0.02em; color: var(--fg-1); margin: 0 0 1.1rem;}
.bottom-cta p {color: var(--fg-2); font-size: 1rem; max-width: 580px; margin: 0 auto 1.75rem;}
.bottom-cta a.cta-btn {display: inline-flex; align-items: center; gap: 0.6rem; background: var(--grad-spine); color: #fff !important; padding: 0.95rem 1.85rem; border-radius: 12px; font-weight: 700; font-size: 0.98rem; text-decoration: none !important; box-shadow: 0 12px 32px rgba(123,61,255,0.4);}
.bottom-cta a.cta-btn:hover {transform: translateY(-2px); color: #fff !important;}
.bottom-cta a.cta-btn svg {width: 16px; height: 16px;}

.qp-footer {border-top: 1px solid var(--line); padding: 2.5rem 1.5rem 1.75rem; color: var(--fg-3); font-size: 0.85rem;}
.qp-footer-main {max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--line);}
.qp-footer-nav {display: flex; gap: 2.25rem;}
.qp-footer-nav a {color: var(--fg-2); font-size: 0.9rem; font-weight: 500; text-decoration: none;}
.qp-footer-nav a:hover {color: var(--fg-1);}
.qp-footer-telegram {display: inline-flex; align-items: center; gap: 0.55rem; background: var(--grad-spine); color: #fff !important; padding: 0.65rem 1.25rem; border-radius: 10px; font-weight: 600; font-size: 0.9rem; text-decoration: none !important;}
.qp-footer-telegram:hover {transform: translateY(-1px); color: #fff !important;}
.qp-footer-telegram svg {width: 18px; height: 18px;}
.qp-footer-bottom {max-width: 1200px; margin: 1.5rem auto 0; text-align: center; color: var(--fg-3); font-size: 0.82rem;}

@media (max-width: 1024px) {.post-wrap {grid-template-columns: 1fr; gap: 2rem;} .post-sidebar {position: static; max-width: 760px;}}
@media (max-width: 768px) {body {font-size: 16px;} .post h1 {font-size: 1.85rem;} .post h2 {font-size: 1.4rem;} .qp-topnav-inner {gap: 1rem; flex-wrap: wrap;} .qp-footer-main {flex-direction: column; gap: 1.5rem; text-align: center;} .post table {font-size: 0.85rem; display: block; overflow-x: auto;}}