/* PROTOTYPE — /prototype/starter-kit (sk-*). Shell, tokens and p-* come from page-a.css + landing/a-base.css. */

.sk-h1 { font-size: clamp(38px, 4.6vw, 66px) !important; line-height: 1.02 !important; max-width: 15ch; }
.p-hero-in > .sk-h1 { max-width: 15ch; }
.sk-acr { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 22px; text-shadow: none; }
.sk-acr span { display: inline-flex; align-items: baseline; gap: 8px; padding: 7px 14px; border-radius: var(--pa-r-pill); background: var(--pa-float-bg); border: var(--pa-bw) solid var(--pa-line); font-size: var(--pa-fs); color: var(--pa-ink-2); }
.sk-acr b { font: 700 var(--pa-fs-md) var(--pa-font-mono); color: var(--pa-link); }

.sk { display: grid; gap: 104px; padding-top: 80px; }
.sk > *, .sk section > * { min-width: 0; }
.sk-two { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.sk-close { margin: -64px 0 0; font-size: 21px; line-height: 1.5; color: var(--pa-ink); font-weight: 500; letter-spacing: -.01em; max-width: 56ch; padding-left: 18px; border-left: 3px solid var(--pa-link); }
.sk-days .sk-close { margin-top: 28px; }

.sk-neg { list-style: none; margin: 0; padding: 8px; display: grid; gap: 2px; border-radius: var(--pa-r-l); }
.sk-neg li { position: relative; padding: 10px 12px 10px 36px; border-radius: var(--pa-r-s); color: var(--pa-ink-2); font-size: var(--pa-fs-md); line-height: 1.5; }
.sk-neg li::before { content: "✕"; position: absolute; left: 13px; top: 10px; font: 600 12px var(--pa-font-mono); color: var(--pa-st-error); }
.sk-cards .sk-neg { padding: 0; margin-top: 12px; }
.sk-cards .sk-neg li { padding-left: 26px; }
.sk-cards .sk-neg li::before { left: 2px; }

.sk-why { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; margin-top: 24px; }
.sk-why article { padding: 18px; border-radius: var(--pa-r-l); display: grid; gap: 8px; align-content: start; }
.sk-why i { font: normal 600 var(--pa-fs-xs) var(--pa-font-mono); color: var(--pa-link); }
.sk-why h3 { font-size: 16px; line-height: 1.3; }
.sk-why p { margin: 0; font-size: var(--pa-fs); line-height: 1.55; color: var(--pa-ink-2); }

.sk-q { display: inline-flex; align-items: center; gap: 12px; margin: 22px 0 0; padding: 10px 18px 10px 10px; border-radius: var(--pa-r-pill); background: var(--pa-accent-tint); color: var(--pa-ink); font-size: 18px; font-weight: 500; }
.sk-q span { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--pa-accent); color: var(--pa-on-accent); font: 700 15px var(--pa-font-mono); }
.sk-sub { display: flex; align-items: center; gap: 10px; margin: 56px 0 16px !important; font-size: 20px; }
.sk-sub i { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font: normal 700 12px var(--pa-font-mono); color: var(--pa-link); border: var(--pa-bw) solid color-mix(in oklch, var(--pa-link) 45%, transparent); }

.sk-folders { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.sk-folders > div { padding: 16px; border-radius: var(--pa-r-l); display: grid; grid-template-columns: auto 1fr; gap: 6px 10px; align-content: start; transition: border-color var(--pa-dur-2) var(--pa-ease), transform var(--pa-dur-2) var(--pa-ease); }
.sk-folders > div:hover { border-color: color-mix(in oklch, var(--pa-link) 45%, transparent); transform: translateY(-2px); }
.sk-folders b { align-self: center; font: 700 var(--pa-fs-md) var(--pa-font-mono); letter-spacing: .04em; color: var(--pa-ink); }
.sk-folders p { grid-column: 1 / -1; margin: 0; font-size: var(--pa-fs); line-height: 1.5; color: var(--pa-ink-2); }

.sk-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.sk-tpl { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.sk-tpl span { padding: 6px 12px; border-radius: var(--pa-r-pill); border: var(--pa-bw) solid var(--pa-line); font: var(--pa-fs-sm) var(--pa-font-mono); color: var(--pa-ink-2); }
.sk-tpl span:last-child { color: var(--pa-link); border-color: color-mix(in oklch, var(--pa-link) 40%, transparent); }
.sk-board { margin-top: 18px; padding: 12px; border-radius: var(--pa-r-l); display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.sk-board > div { display: grid; gap: 6px; align-content: start; padding: 8px; border-radius: var(--pa-r-m); background: var(--pa-tint-1); min-height: 132px; }
.sk-board b { font: 600 var(--pa-fs-xs) var(--pa-font-mono); color: var(--pa-ink-3); text-transform: uppercase; letter-spacing: .04em; }
.sk-board i { height: 26px; border-radius: 7px; background: var(--pa-surface); border: var(--pa-bw) solid var(--pa-line); position: relative; }
.sk-board i::after { content: ""; position: absolute; left: 8px; right: 30%; top: 11px; height: 4px; border-radius: 2px; background: color-mix(in oklch, var(--pa-ink) 14%, transparent); }
.sk-board > div:nth-child(2) i { border-left: 3px solid var(--pa-st-running); }
.sk-board > div:nth-child(4) i { border-left: 3px solid var(--pa-st-done); }

.sk-wf { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.sk-wf > div { padding: 18px; border-radius: var(--pa-r-l); display: grid; gap: 8px; align-content: start; }
.sk-wf b { font: 700 var(--pa-fs-md) var(--pa-font-mono); letter-spacing: .08em; color: var(--pa-link); }
.sk-wf p { margin: 0; font-size: var(--pa-fs); line-height: 1.55; color: var(--pa-ink-2); }
.sk-cards { margin-top: 12px; gap: 12px; }
.sk-cards article { padding: 22px; border-radius: var(--pa-r-l); }
.sk-cards h3 { font-size: 18px; }
.sk-cards .pa-btn { margin-top: 16px; }
.sk-yes { border-color: color-mix(in oklch, var(--pa-link) 45%, transparent) !important; }

.sk-how { list-style: none; margin: 26px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; counter-reset: st; position: relative; }
.sk-how::before { content: ""; position: absolute; left: 14px; right: 14px; top: 14px; height: 1px; background: var(--pa-line); }
.sk-how li { counter-increment: st; position: relative; display: grid; gap: 6px; padding: 44px 16px 0 0; }
.sk-how li::before { content: counter(st); position: absolute; left: 0; top: 0; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font: 700 12px var(--pa-font-mono); color: var(--pa-ink-2); background: var(--pa-canvas); border: var(--pa-bw) solid var(--pa-line-strong); }
.sk-how li:first-child::before { background: var(--pa-st-running); border-color: transparent; color: var(--pa-on-accent); animation: pa-sonar 1.2s var(--pa-ease) infinite; }
.sk-how b { font-size: 16px; color: var(--pa-ink); font-weight: 600; }
.sk-how span { font-size: var(--pa-fs); line-height: 1.55; color: var(--pa-ink-2); }

.sk-daytabs { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; margin: 24px 0 10px; }
.sk-daytabs button { position: relative; display: grid; gap: 6px; align-content: start; text-align: left; padding: 12px; border-radius: var(--pa-r-m); border: var(--pa-bw) solid var(--pa-line); background: var(--pa-tint-1); color: var(--pa-ink-2); font: 500 var(--pa-fs) var(--pa-font-ui); line-height: 1.35; cursor: pointer; overflow: hidden; transition: color var(--pa-dur-1), border-color var(--pa-dur-1), background var(--pa-dur-1); }
.sk-daytabs button em { font: normal var(--pa-fs-xs) var(--pa-font-mono); color: var(--pa-ink-3); }
.sk-daytabs button:hover { color: var(--pa-ink); border-color: var(--pa-line-strong); }
.sk-daytabs button.on { color: var(--pa-ink); border-color: color-mix(in oklch, var(--pa-link) 55%, transparent); background: var(--pa-accent-tint); }
.sk-daytabs button.on em { color: var(--pa-link); }
.sk-daytabs button.on::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--pa-st-running), transparent); background-size: 200% 100%; animation: pa-shim 1.6s linear infinite; }
.sk-dayview { position: relative; padding: 28px 28px 24px; border-radius: var(--pa-r-l); min-height: 200px; }
.sk-day { animation: p-in var(--pa-dur-3) var(--pa-ease); }
.sk-day h3 { font-size: clamp(22px, 2.2vw, 30px); line-height: 1.2; margin: 14px 0 10px; }
.sk-day p { margin: 0; font-size: 17px; line-height: 1.6; color: var(--pa-ink-2); max-width: 60ch; }
.sk-day .sk-out { margin-top: 14px; font: var(--pa-fs-sm) var(--pa-font-mono); color: var(--pa-st-done); }
.sk-day .sk-out::before { content: "✓ "; }

.sk-table { margin-top: 22px; border-radius: var(--pa-r-l); overflow: hidden; }
.sk-table table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.sk-table th { text-align: left; padding: 12px 16px; font: 600 var(--pa-fs-xs) var(--pa-font-mono); letter-spacing: .05em; color: var(--pa-ink-3); }
.sk-table td { padding: 13px 16px; border-top: var(--pa-bw) solid var(--pa-line); color: var(--pa-ink-2); vertical-align: top; }
.sk-table td:first-child { color: var(--pa-ink); font-weight: 600; width: 140px; }
.sk-table .pa { background: color-mix(in oklch, var(--pa-accent) 8%, transparent); color: var(--pa-ink); }
.sk-table th.pa { color: var(--pa-link); }

.sk-free { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; padding: 32px; border-radius: var(--pa-r-l);
  background: linear-gradient(120deg, color-mix(in oklch, var(--pa-accent) 14%, transparent), transparent 60%), var(--pa-float-bg); }
.sk-free h2 { margin-bottom: 10px; }
.sk-free .p-ctas { margin-top: 0; flex-direction: column; align-items: stretch; }

.sk-proof { padding: 26px; border-radius: var(--pa-r-l); border-left: 3px solid var(--pa-link) !important; display: grid; gap: 12px; }
.sk-proof p { margin: 0; font-size: 17px; line-height: 1.6; color: var(--pa-ink); }
.sk-proof span { font: var(--pa-fs-sm) var(--pa-font-mono); color: var(--pa-ink-3); }

.sk-faq { max-width: 860px; }
.sk-faq details { border-top: var(--pa-bw) solid var(--pa-line); }
.sk-faq details:last-child { border-bottom: var(--pa-bw) solid var(--pa-line); }
.sk-faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; padding: 18px 0; color: var(--pa-ink); font-weight: 600; font-size: 17px; }
.sk-faq summary::-webkit-details-marker { display: none; }
.sk-faq summary::after { content: "+"; color: var(--pa-link); font: 500 22px/1 var(--pa-font-mono); transition: transform var(--pa-dur-2) var(--pa-ease); }
.sk-faq details[open] summary::after { transform: rotate(45deg); }
.sk-faq details p { margin: 0 0 18px; color: var(--pa-ink-2); font-size: 15.5px; line-height: 1.65; max-width: 66ch; }

.sk-get { margin-top: 14px; text-align: left; }
.sk-form { margin-top: 24px; width: min(440px, 100%); padding: 20px; border-radius: var(--pa-r-l); display: grid; gap: 12px; text-align: left; text-shadow: none; }
.sk-form label { display: grid; gap: 6px; }
.sk-form label span { font: 600 var(--pa-fs-xs) var(--pa-font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--pa-ink-3); }
.sk-form input { height: 44px; padding: 0 14px; border-radius: var(--pa-r-m); border: var(--pa-bw) solid var(--pa-line-strong); background: var(--pa-canvas); color: var(--pa-ink); font: var(--pa-fs-md) var(--pa-font-ui); outline: 0; }
.sk-form input:focus { border-color: var(--pa-link); box-shadow: var(--pa-focus); }
.sk-form button { margin-top: 4px; }
.sk-form button:disabled { opacity: .6; cursor: progress; }
.sk-msg { margin: 0; min-height: 1.4em; font-size: var(--pa-fs); line-height: 1.45; color: var(--pa-ink-2); }
.sk-msg[data-k="ok"] { color: var(--pa-st-done); } .sk-msg[data-k="bad"] { color: var(--pa-st-error); }
.sk-priv { margin: 0; font-size: var(--pa-fs-xs); line-height: 1.5; color: var(--pa-ink-3); }
.p-outro-in .p-fine a { color: var(--pa-link); }
.sk-zalo { margin-top: 26px; display: flex; gap: 16px; align-items: center; padding: 14px; border-radius: var(--pa-r-l); text-align: left; text-shadow: none; }
.sk-zalo img { width: 96px; height: 96px; object-fit: contain; border-radius: var(--pa-r-m); background: #fff; flex: none; } /* the square crop (home), the 1260x1920 poster squashed */
.sk-zalo b { color: var(--pa-ink); font-size: var(--pa-fs-md); }
.sk-zalo p { margin: 4px 0 10px; font-size: var(--pa-fs); line-height: 1.5; color: var(--pa-ink-2); }

@media (max-width: 1000px) {
  .sk-why { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sk-folders, .sk-wf { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sk-how { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .sk-how::before { left: 14px; right: auto; top: 14px; bottom: 14px; width: 1px; height: auto; }
  .sk-how li { padding: 2px 0 0 44px; }
  .sk-daytabs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .sk { gap: 72px; padding-top: 56px; }
  .sk-two, .sk-pair, .sk-free { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .sk-close { margin-top: -40px; font-size: 18px; }
  .sk-why, .sk-folders, .sk-wf { grid-template-columns: minmax(0, 1fr); }
  .sk-daytabs { display: flex; overflow-x: auto; scrollbar-width: none; }
  .sk-daytabs button { flex: 0 0 132px; }
  .sk-dayview { padding: 22px 18px 64px; }
  .sk-table { overflow: visible; background: none !important; border: 0 !important; box-shadow: none !important; }
  .sk-table table, .sk-table tbody, .sk-table tr, .sk-table td { display: block; }
  .sk-table thead { display: none; }
  .sk-table tr { margin-bottom: 10px; border: var(--pa-bw) solid var(--pa-line); border-radius: var(--pa-r-l); overflow: hidden; }
  .sk-table td { border-top: 0; padding: 10px 14px; width: auto !important; }
  .sk-table td[data-h]::before { content: attr(data-h); display: block; margin-bottom: 2px; font: 600 10.5px var(--pa-font-mono); letter-spacing: .05em; color: var(--pa-ink-3); }
  .sk-table td.pa[data-h]::before { color: var(--pa-link); }
  .sk-q { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { .sk-how li:first-child::before, .sk-daytabs button.on::after { animation: none; } }