/* 100cut — 剪輯台：紙白底、墨黑字、剪接紅標記、時間碼等寬字 */
:root {
  --bg: #f4f1ea; --panel: #fffdf8; --fg: #17150f; --muted: #6d675c; --line: #ddd6c8;
  --accent: #e3401f; --accent-fg: #fff; --tape: #f3c335; --me: #17150f; --me-fg: #f4f1ea; --track: #e9e3d6;
  --shadow: 0 1px 0 rgba(23, 21, 15, .06), 0 12px 32px -18px rgba(23, 21, 15, .35);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12110e; --panel: #1b1a16; --fg: #efe9dc; --muted: #9d968a; --line: #322f28;
    --accent: #ff5b39; --accent-fg: #160b07; --tape: #f3c335; --me: #efe9dc; --me-fg: #12110e; --track: #26241e;
    --shadow: 0 1px 0 rgba(0, 0, 0, .4), 0 16px 40px -20px rgba(0, 0, 0, .8);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12110e; --panel: #1b1a16; --fg: #efe9dc; --muted: #9d968a; --line: #322f28;
  --accent: #ff5b39; --accent-fg: #160b07; --tape: #f3c335; --me: #efe9dc; --me-fg: #12110e; --track: #26241e;
  --shadow: 0 1px 0 rgba(0, 0, 0, .4), 0 16px 40px -20px rgba(0, 0, 0, .8);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.65 "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
}
a { color: inherit; text-underline-offset: 3px; }
.mono, code { font-family: "JetBrains Mono", ui-monospace, Menlo, monospace; }
.wrap { max-width: 1160px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.muted { color: var(--muted); }
h1, h2, h3 { text-wrap: balance; line-height: 1.2; margin: 0; }
h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 900; letter-spacing: -.01em; }
.eyebrow { font: 600 12px/1 "JetBrains Mono", monospace; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }

/* 頁首 */
header.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 20px; min-height: 60px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 900; font-size: 22px; text-decoration: none; letter-spacing: -.02em; }
.logo i { width: 12px; height: 26px; background: var(--accent); transform: skewX(-14deg); display: inline-block; }
nav.links { display: flex; gap: 18px; font-size: 14px; margin-left: auto; flex-wrap: wrap; }
nav.links a { text-decoration: none; color: var(--muted); }
nav.links a:hover { color: var(--fg); }
#user-pill { display: flex; gap: 10px; align-items: center; font-size: 14px; }
#user-pill .bal { padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; }
#user-pill .bal b { color: var(--accent); font-family: "JetBrains Mono", monospace; }
#user-pill button { background: none; border: 0; color: var(--muted); cursor: pointer; font: inherit; }

/* 主視覺＋對話 */
.hero { padding-block: clamp(28px, 6vw, 64px); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(24px, 5vw, 56px); align-items: start; }
.hero h1 { font-size: clamp(54px, 10vw, 112px); font-weight: 900; letter-spacing: -.035em; line-height: .95; margin: 14px 0 18px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lede { font-size: clamp(17px, 2vw, 20px); max-width: 30em; margin: 0 0 22px; }
.timecode { display: flex; gap: 0; margin-top: 26px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; max-width: 460px; }
.timecode span { flex: 1; padding: 8px 10px; font: 500 12px/1.3 "JetBrains Mono", monospace; color: var(--muted); border-right: 1px solid var(--line); }
.timecode span:last-child { border-right: 0; }
.timecode b { display: block; color: var(--fg); font-size: 15px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 14px; color: var(--muted); padding: 0; margin: 0; list-style: none; }
.trust li::before { content: "✂ "; color: var(--accent); }

#chat { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); display: flex; flex-direction: column; height: min(640px, 78vh); min-width: 0; overflow: hidden; }
.chat-head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-weight: 700; }
.chat-head .rec { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
.chat-head .mono { margin-left: auto; font-size: 12px; color: var(--muted); font-weight: 400; }
#chat-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 88%; padding: 10px 14px; border-radius: 14px; font-size: 15px; overflow-wrap: anywhere; }
.msg.bot { background: var(--track); border-top-left-radius: 4px; align-self: flex-start; }
.msg.me { background: var(--me); color: var(--me-fg); border-top-right-radius: 4px; align-self: flex-end; }
.msg.gbtn { background: none; padding: 0; }
.summary { display: grid; gap: 6px; min-width: min(300px, 100%); }
.sum-row { display: flex; justify-content: space-between; gap: 16px; font-size: 14px; }
.sum-row span { color: var(--muted); }
.sum-row b { text-align: right; overflow-wrap: anywhere; }
.sum-total { border-top: 1px dashed var(--line); padding-top: 6px; margin-top: 2px; }
.sum-total b { color: var(--accent); }
#chat-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 16px 10px; }
.chip { font: inherit; font-size: 14px; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); color: var(--fg); cursor: pointer; }
.chip:hover { border-color: var(--fg); }
.chip.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); font-weight: 700; }
.chip.alt { color: var(--muted); }
#chat-form { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
#chat-input { flex: 1; min-width: 0; font: inherit; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
#chat-form button, .btn { font: inherit; font-weight: 700; padding: 10px 18px; border-radius: 12px; border: 0; background: var(--fg); color: var(--bg); cursor: pointer; }
.packs { display: flex; flex-wrap: wrap; gap: 8px; }
.pack { font: inherit; font-size: 14px; padding: 9px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--fg); cursor: pointer; }
.pack.best { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }

/* 區塊 */
section.block { padding-block: clamp(48px, 8vw, 88px); border-top: 1px solid var(--line); }
.block-head { display: grid; gap: 10px; margin-bottom: 30px; max-width: 46em; }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; list-style: none; padding: 0; margin: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--panel); }
.steps li { padding: 20px; border-right: 1px solid var(--line); min-width: 0; }
.steps li:last-child { border-right: 0; }
.steps .tc { font: 500 12px/1 "JetBrains Mono", monospace; color: var(--accent); }
.steps h3 { font-size: 18px; margin: 10px 0 6px; }
.steps p { margin: 0; font-size: 14px; color: var(--muted); }

.price-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.price { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; min-width: 0; }
.price .num { font: 700 clamp(30px, 4vw, 42px)/1 "JetBrains Mono", monospace; letter-spacing: -.03em; }
.price .num small { font-size: 14px; color: var(--muted); font-weight: 500; margin-left: 4px; }
.price.hl { border-color: var(--accent); }
.price.hl .num { color: var(--accent); }
.price p { margin: 8px 0 0; font-size: 14px; color: var(--muted); }
.topup { margin-top: 22px; display: grid; gap: 10px; }
.topup h3 { font-size: 18px; }

#account .grid2 { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; min-width: 0; display: grid; gap: 12px; align-content: start; }
.card h3 { font-size: 18px; }
#job-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.job { border: 1px solid var(--line); border-radius: 10px; padding: 12px; display: grid; gap: 6px; font-size: 14px; }
.job-top { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.job-top code { font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
.badge { font-size: 12px; padding: 2px 9px; border-radius: 999px; background: var(--track); white-space: nowrap; }
.s-done .badge { background: var(--accent); color: var(--accent-fg); }
.job-meta, .job-prog { color: var(--muted); }
.job-res { display: flex; gap: 10px; flex-wrap: wrap; }
.rev { display: flex; gap: 8px; }
.rev input { flex: 1; min-width: 0; font: inherit; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
.rev button { font: inherit; font-size: 13px; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--accent); color: var(--accent); background: none; cursor: pointer; white-space: nowrap; }
#skill-md { width: 100%; min-height: 220px; font: 13px/1.6 "JetBrains Mono", monospace; padding: 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); resize: vertical; }
.copyrow { display: flex; gap: 8px; }
.copyrow input { flex: 1; min-width: 0; font: 12px "JetBrains Mono", monospace; padding: 9px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
.ghost { font: inherit; font-size: 13px; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--line); background: none; color: var(--fg); cursor: pointer; }

.mcp-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: start; }
pre.code { background: var(--fg); color: var(--bg); padding: 16px; border-radius: 12px; overflow-x: auto; font: 13px/1.6 "JetBrains Mono", monospace; margin: 0; }
.mcp-grid ol { margin: 0; padding-left: 1.2em; display: grid; gap: 6px; }

.faq { display: grid; gap: 10px; max-width: 820px; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { margin: 10px 0 0; color: var(--muted); }

footer { border-top: 1px solid var(--line); padding-block: 28px; font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; }

@media (max-width: 900px) {
  .hero .wrap, #account .grid2, .mcp-grid { grid-template-columns: minmax(0, 1fr); }
  .steps, .price-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps li:nth-child(2) { border-right: 0; }
  .steps li:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  #chat { height: 76vh; }
}
@media (max-width: 520px) {
  nav.links { display: none; }
  .steps, .price-grid { grid-template-columns: minmax(0, 1fr); }
  .steps li { border-right: 0; border-bottom: 1px solid var(--line); }
  .steps li:last-child { border-bottom: 0; }
}

/* 風格卡 */
.styles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.style-card { display: grid; gap: 2px; padding: 10px 12px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); font-size: 13px; min-width: 0; }
.style-card b { font-size: 14px; }
.style-card span { color: var(--muted); }
.style-card a { color: var(--accent); font-weight: 700; text-decoration: none; }
@media (max-width: 520px) { .styles { grid-template-columns: minmax(0, 1fr); } }