/* lysechko.com learning area (/en/learn/, /kurs/): guides with prompts to copy, account gate, program, checkout.
   Builds on site.css and blog.css tokens. Copied to site/assets/css/learn.css by site_src/learn.py. */

.learn-hero .cta-row { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 12px; }
.learn-hero .article-byline { margin-top: 26px; }
.learn-facts { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; }
.learn-facts span { padding: 7px 14px; border-radius: var(--radius-pill); background: var(--surface); border: 1px solid var(--line); font-size: .875rem; color: var(--ink-2); }
.learn-facts b { color: var(--ink); margin-right: 4px; }
.kicker-sub b { color: var(--ink); letter-spacing: .04em; }

/* what you get / what you need */
.learn-boxes { display: grid; gap: 14px; margin-bottom: clamp(28px, 4vw, 40px); }
@media (min-width: 720px) { .learn-boxes { grid-template-columns: 1fr 1fr; } }
.learn-box { padding: 20px 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); }
.learn-box h2 { font-size: 1.125rem; letter-spacing: -.01em; margin-bottom: 12px; }
.learn-box ul { font-size: .9688rem; line-height: 1.55; color: var(--ink-2); }
.learn-box ul:not(.checklist) { list-style: disc; padding-left: 1.2em; }
.learn-box li + li { margin-top: .45em; }

/* part 1 */
.learn-part { margin-top: clamp(40px, 5vw, 64px); padding: clamp(22px, 3.5vw, 36px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); box-shadow: var(--shadow-card); scroll-margin-top: calc(var(--header-h) + 16px); }
.part-kicker { font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.learn-part > h2 { margin-top: 10px; font-size: clamp(1.625rem, 1.25rem + 1.2vw, 2.25rem); letter-spacing: -.03em; }
.preview-title { margin-top: 18px; font-weight: 600; color: var(--ink); }
.preview-steps { margin-top: 10px; counter-reset: pv; display: grid; gap: 8px; }
.preview-steps li { counter-increment: pv; position: relative; padding: 10px 14px 10px 50px; border-radius: 12px; background: var(--bg); color: var(--ink-2); font-size: .9688rem; }
.preview-steps li::before { content: counter(pv); position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--bg-alt); color: var(--muted); font-size: .8125rem; font-weight: 700; }
.member-content { margin-top: 8px; max-width: none; }
.member-content > h2:first-child { margin-top: 1em; }
.learn-part.is-open .part-preview { display: none; }

/* account gate and forms */
.learn-gate { margin-top: 22px; padding: clamp(20px, 3vw, 28px); border-radius: 16px; background: var(--accent-soft); }
.learn-gate h3 { font-size: 1.25rem; letter-spacing: -.015em; }
.learn-gate > p { margin-top: 8px; color: var(--ink-2); max-width: 60ch; }
.learn-form { margin-top: 16px; display: grid; gap: 12px; max-width: 560px; }
.field { display: grid; gap: 6px; font-weight: 600; font-size: .9375rem; color: var(--ink); }
.field input, .field select { font: inherit; font-weight: 400; min-height: 48px; padding: 10px 14px; border-radius: 12px; border: 1.5px solid var(--btn-line); background: var(--surface); color: var(--ink); width: 100%; }
.field input:focus, .field select:focus { outline: 3px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.check { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; font-size: .9375rem; line-height: 1.5; color: var(--ink-2); }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--accent); }
.check a { color: var(--accent); }
.learn-form .btn { justify-self: start; }
.form-msg { font-size: .9375rem; color: var(--ink-2); min-height: 1.2em; }
.form-msg:empty { display: none; }
.form-msg.is-ok { padding: 12px 14px; border-radius: 12px; background: #E6F4EA; color: #1E5B2E; }
.form-msg.is-error { padding: 12px 14px; border-radius: 12px; background: #FDECEC; color: #8A1C1C; }
.small { font-size: .875rem; }
.muted { color: var(--muted); }

/* signed in bar */
.learn-account-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; margin-bottom: 20px; padding: 12px 16px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); font-size: .9375rem; }
.learn-account-bar[hidden] { display: none; }
.learn-account-bar .who { color: var(--ink-2); overflow-wrap: anywhere; }
.learn-account-bar .who b { color: var(--ink); }
.learn-account-bar .bar-links { display: flex; gap: 14px; }
.learn-account-bar a, .learn-account-bar button { font: inherit; color: var(--accent); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }

/* code and prompt blocks with copy button */
.code-block { margin-top: 1.1em; border-radius: 14px; overflow: hidden; background: #0E1116; color: #E6E9EF; border: 1px solid #0E1116; }
.code-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 8px 8px 16px; background: #1A1F27; }
.code-label { font-size: .75rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--accent-on-dark); }
.copy-btn { font: inherit; font-size: .875rem; font-weight: 600; min-height: 36px; padding: 6px 14px; border-radius: var(--radius-pill); border: 1px solid rgba(238, 240, 244, .35); background: transparent; color: var(--on-dark); cursor: pointer; }
.copy-btn:hover { background: var(--on-dark); color: var(--ink); }
.copy-btn.is-done { background: #2E7D4F; border-color: #2E7D4F; color: #fff; }
.code-block pre { margin: 0; padding: 16px; overflow-x: auto; -webkit-overflow-scrolling: touch; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; font-size: .875rem; line-height: 1.6; tab-size: 2; }
.code-block code { font-family: inherit; }
.code-block.is-prompt pre { white-space: pre-wrap; overflow-wrap: anywhere; font-family: var(--font); font-size: .9688rem; line-height: 1.6; }
.code-block.is-file .code-label { color: #F5C36B; }
.prose code:not(pre code) { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9em; padding: .1em .35em; border-radius: 6px; background: var(--bg-alt); color: var(--ink); overflow-wrap: anywhere; }

/* clips: a frame for short videos, a placeholder until the clip exists */
.clip { margin-top: 1.2em; }
.clip video, .clip-frame { width: 100%; aspect-ratio: 16 / 9; border-radius: var(--radius-media); background: #0E1116; display: block; }
.clip.is-vertical video, .clip.is-vertical .clip-frame { aspect-ratio: 9 / 16; max-width: 340px; }
.clip-frame { display: grid; place-items: center; align-content: center; gap: 10px; color: var(--on-dark-muted); background: linear-gradient(135deg, #161B23, #0E1116); border: 1px dashed #3A4250; }
.clip-play { width: 54px; height: 54px; border-radius: 50%; background: rgba(238, 240, 244, .12); position: relative; }
.clip-play::after { content: ""; position: absolute; left: 22px; top: 17px; border-left: 16px solid var(--on-dark); border-top: 10px solid transparent; border-bottom: 10px solid transparent; }
.clip-soon { font-size: .875rem; }
.clip figcaption { margin-top: 8px; font-size: .875rem; color: var(--muted); }

/* full program */
.learn-program { margin-top: clamp(32px, 4vw, 48px); padding: clamp(22px, 3.5vw, 40px); border-radius: var(--radius-card); background: var(--dark); color: var(--on-dark); scroll-margin-top: calc(var(--header-h) + 16px); }
.learn-program .part-kicker { color: var(--accent-on-dark); }
.learn-program h2 { margin-top: 10px; font-size: clamp(1.625rem, 1.25rem + 1.2vw, 2.25rem); color: var(--on-dark); letter-spacing: -.03em; }
.program-text { margin-top: 12px; color: var(--on-dark-muted); max-width: 62ch; }
.module-list { margin-top: 22px; display: grid; gap: 10px; }
@media (min-width: 760px) { .module-list { grid-template-columns: 1fr 1fr; } }
.module-list li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; padding: 14px 16px; border-radius: 14px; background: rgba(238, 240, 244, .06); border: 1px solid rgba(238, 240, 244, .1); }
.module-list b { display: block; color: var(--on-dark); font-size: 1rem; }
.module-list span:not(.lock) { display: block; margin-top: 3px; font-size: .9063rem; color: var(--on-dark-muted); line-height: 1.5; }
.lock { width: 16px; height: 13px; margin-top: 7px; border-radius: 3px; background: var(--accent-on-dark); position: relative; }
.lock::before { content: ""; position: absolute; left: 3px; top: -7px; width: 10px; height: 9px; border: 2px solid var(--accent-on-dark); border-bottom: 0; border-radius: 6px 6px 0 0; box-sizing: border-box; }
.price-row { margin-top: 24px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-top: 20px; border-top: 1px solid rgba(238, 240, 244, .14); }
.price-label { display: block; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--on-dark-muted); }
.learn-program .price { display: block; margin-top: 4px; font-size: 1.0625rem; color: var(--on-dark); font-weight: 600; max-width: 40ch; }
.program-note { margin-top: 14px; font-size: .875rem; color: var(--on-dark-muted); }
.program-note a { color: var(--accent-on-dark); }

/* sources */
.sources .src-url { display: block; font-size: .8125rem; color: var(--muted); overflow-wrap: anywhere; }
.sources-note { margin-top: 8px; color: var(--ink-2); }

/* guide cards */
.guide-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.guide-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); overflow: hidden; position: relative; }
.guide-card img { aspect-ratio: 1200 / 630; object-fit: cover; width: 100%; }
.guide-card-body { padding: 18px 20px 20px; display: grid; gap: 8px; }
.guide-card h3, .guide-card h2 { font-size: 1.1875rem; letter-spacing: -.02em; line-height: 1.25; }
.guide-card h3 a, .guide-card h2 a { text-decoration: none; }
.guide-card h3 a::after, .guide-card h2 a::after { content: ""; position: absolute; inset: 0; }
.guide-card:hover { box-shadow: var(--shadow-card); }
.guide-card p { font-size: .9375rem; color: var(--ink-2); line-height: 1.5; }
.guide-meta { display: flex; gap: 10px; align-items: center; font-size: .8125rem; color: var(--muted); }
.guide-meta .kw { padding: 3px 10px; border-radius: var(--radius-pill); background: var(--accent-soft); color: var(--accent); font-weight: 700; letter-spacing: .05em; }
.guide-parts { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .8125rem !important; color: var(--muted) !important; }

/* index: how access works */
.how-steps { display: grid; gap: 14px; counter-reset: how; }
@media (min-width: 860px) { .how-steps { grid-template-columns: repeat(3, 1fr); } }
.how-steps li { counter-increment: how; padding: 20px 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); }
.how-steps li::before { content: counter(how); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: var(--surface); font-weight: 700; font-size: .9375rem; margin-bottom: 12px; }
.how-steps b { display: block; font-size: 1.0625rem; color: var(--ink); }
.how-steps span { display: block; margin-top: 6px; color: var(--ink-2); font-size: .9375rem; line-height: 1.55; }
.learn-index-gate .learn-gate { margin-top: 0; }

/* account page */
.learn-account { max-width: 760px; }
.account-guides { display: grid; gap: 8px; margin-top: 12px; }
.account-guides a { display: flex; justify-content: space-between; gap: 12px; padding: 14px 16px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); text-decoration: none; font-weight: 600; }
.account-guides a span { color: var(--muted); font-weight: 400; font-size: .875rem; }
.learn-account h2 { font-size: 1.375rem; letter-spacing: -.02em; }
.danger-zone { margin-top: 40px; padding: 20px 22px; border-radius: var(--radius-card); border: 1px solid #E8C4C4; background: #FFF8F8; }
.danger-zone p { margin-top: 8px; color: var(--ink-2); font-size: .9375rem; }
.danger-zone .btn { margin-top: 14px; }

/* checkout */
.checkout { display: grid; gap: 18px; align-items: start; }
@media (min-width: 900px) { .checkout { grid-template-columns: 1.2fr 1fr; } }
.checkout-card { padding: clamp(20px, 3vw, 28px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); }
.checkout-card h2 { font-size: 1.375rem; letter-spacing: -.02em; margin-bottom: 14px; }
.order-line { margin-top: 18px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.order-line b { font-size: 1.0625rem; }
.order-line .price { color: var(--ink-2); }
.checkout .checklist { margin-top: 14px; display: grid; gap: 6px; font-size: .9375rem; color: var(--ink-2); }
.order-facts { margin-top: 18px; display: grid; gap: 4px 0; font-size: .9063rem; }
.order-facts dt { font-weight: 700; color: var(--ink); margin-top: 8px; }
.order-facts dd { color: var(--ink-2); }
.checkout .learn-form { margin-top: 0; }
.checkout .btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }
.notify { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); display: grid; gap: 10px; }
.notify .btn { justify-self: start; }

/* opus facts: verdict badges */
.verdict { display: inline-block; padding: 3px 10px; border-radius: var(--radius-pill); font-size: .75rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; vertical-align: .1em; margin-right: 6px; }
.v-fake { background: #FDE2E1; color: #A3231F; }
.v-half { background: #FFF0C7; color: #7A5300; }
.v-fact { background: #DDF3E4; color: #1E6B3A; }
.claims { display: grid; gap: 12px; list-style: none !important; padding-left: 0 !important; }
.claims > li { padding: 16px 18px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); }
.claims > li + li { margin-top: 0 !important; }
.claims .claim { display: block; font-weight: 700; color: var(--ink); }
.claims p { margin-top: 6px; font-size: .9688rem; }

/* team repo: branch picture */
.branches { margin-top: 1.2em; display: grid; gap: 10px; padding: 18px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); font-size: .9375rem; }
.branches .br { display: grid; grid-template-columns: 130px 1fr; gap: 12px; align-items: center; }
.branches code { justify-self: start; }
.branches .bar { height: 10px; border-radius: 6px; background: var(--bg-alt); position: relative; }
.branches .br-main .bar { background: #0E1116; }
.branches .br-dev .bar { background: var(--accent); }
.branches .br-feat .bar { background: #8FA2FF; margin-left: 18%; width: 60%; }
.branches .note { color: var(--muted); font-size: .875rem; }
@media (max-width: 520px) { .branches .br { grid-template-columns: 1fr; gap: 6px; } }

/* toast */
.learn-toast { position: fixed; left: 50%; bottom: 88px; transform: translateX(-50%); z-index: 60; max-width: min(92vw, 520px); padding: 14px 18px; border-radius: 14px; background: #0E1116; color: var(--on-dark); box-shadow: var(--shadow-float); font-size: .9375rem; }
@media (min-width: 1000px) { .learn-toast { bottom: 28px; } }

.learn-terms { max-width: 76ch; }
.learn-terms-toc { margin-bottom: 28px; max-width: 76ch; }

/* flow: browser -> own server -> API */
.flow { margin-top: 1.2em; display: grid; gap: 10px; list-style: none !important; padding-left: 0 !important; counter-reset: none; }
@media (min-width: 760px) { .flow { grid-template-columns: repeat(3, 1fr); } }
.flow > li { margin-top: 0 !important; padding: 14px 16px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); font-size: .9375rem; line-height: 1.5; }
.flow > li b { display: block; color: var(--ink); }
.flow > li.is-key { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }

.series-sources { margin-top: 1.6em; padding: 14px 18px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); }
.series-sources summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.series-sources ul { margin-top: 10px; font-size: .9063rem; }