/* ============================================================
   request.css — 需求提交弹窗样式（配合 sections/10-request.html）
   · 全部 rq- 前缀、作用域包在 .rq-modal（.rq-trigger 触发按钮除外）
   · 由 main.css @import，随 <head> 加载（partial 注入即有样式）
   ============================================================ */

/* 触发按钮（在 footer，不在 .rq-modal 作用域内） */
.rq-trigger {
  display: inline-flex; align-items: center; gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
  padding: 14px 24px 14px 18px;
  background: var(--accent); color: var(--on-accent);
  border: none; border-radius: 100px; cursor: pointer;
  font-family: 'Space Mono', var(--font-cjk), monospace;
  font-size: 13px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.rq-trigger:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -12px rgba(239,106,44,0.6); background: var(--accent-2); }
.rq-trigger__circle { width: 30px; height: 30px; border-radius: 50%; background: rgba(10,10,10,0.18); display: grid; place-items: center; }
.rq-trigger__circle svg { width: 15px; height: 15px; stroke: currentColor; }

/* modal overlay（内容超屏才滚遮罩层；overscroll contain 防穿透到 body） */
.rq-modal {
  --rq-acc: #ef6a2c;
  --rq-acc-bright: #ff8c3a;
  --rq-acc-deep-a: #d4551c;
  --rq-acc-deep-b: #5c2408;
  --rq-ink: #ffffff;
  --rq-ink-2: #9a9c98;
  --rq-ink-3: #676965;
  --rq-ink-4: #4a4c48;
  --rq-line: rgba(255,255,255,0.07);
  --rq-line-2: rgba(255,255,255,0.12);
  --rq-tile: rgba(255,255,255,0.035);
  --rq-tile-press: rgba(255,255,255,0.06);
  --rq-err: #f2554b;
  --rq-r-tile: 16px; --rq-r-icon: 13px; --rq-r-card: 30px; --rq-r-pill: 999px;
  --rq-ease: cubic-bezier(.2,.7,.1,1);
  --rq-spring: cubic-bezier(.34,1.56,.64,1);
  --rq-mono: 'Space Mono', var(--font-cjk), ui-monospace, monospace;

  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: flex-start; justify-content: center;
  padding: 16px;
  overflow-y: auto; overscroll-behavior: contain;
  scrollbar-width: none; -ms-overflow-style: none;
  background: rgba(5,5,7,0.62);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.3s var(--rq-ease), visibility 0.3s var(--rq-ease);
}
.rq-modal.rq-open { opacity: 1; visibility: visible; pointer-events: auto; }
.rq-modal::-webkit-scrollbar { width: 0; height: 0; }
.rq-modal * { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

/* card（margin auto：空间足时居中，内容超屏时由遮罩层滚） */
.rq-modal .rq-card {
  position: relative; isolation: isolate;
  width: min(440px, 94vw); margin: auto;
  border-radius: var(--rq-r-card);
  background: linear-gradient(180deg, #1c1a18 0%, #0c0b0a 62%);
  border: 1px solid var(--rq-line);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05) inset, 0 40px 90px -30px rgba(0,0,0,0.9), 0 0 0 1px rgba(0,0,0,0.4);
  padding: 20px 24px 20px;
  color: var(--rq-ink);
  font-family: 'Inter', var(--font-cjk), system-ui, sans-serif;
  line-height: 1.5; letter-spacing: -0.005em;
  transform: translateY(14px) scale(0.985);
  transition: transform 0.3s var(--rq-ease);
}
.rq-modal.rq-open .rq-card { transform: none; }
.rq-modal .rq-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 320px;
  background-image: radial-gradient(rgba(255,255,255,0.10) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
  opacity: 0.5; pointer-events: none; z-index: -1;
}
.rq-modal .rq-card::after {
  content: ""; position: absolute; left: -120px; top: 38%;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(239,106,44,0.18) 0%, transparent 60%);
  filter: blur(8px); pointer-events: none; z-index: -1;
}

.rq-modal .rq-close {
  position: absolute; top: 16px; right: 16px; z-index: 3;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255,255,255,0.06); border: 1px solid var(--rq-line);
  color: var(--rq-ink-2); cursor: pointer; display: grid; place-items: center;
  transition: background .2s, color .2s;
}
.rq-modal .rq-close:hover { background: rgba(255,255,255,0.12); color: var(--rq-ink); }
.rq-modal .rq-close svg { width: 15px; height: 15px; }

/* progress segments */
.rq-modal .rq-progress { display: flex; gap: 7px; margin-bottom: 22px; padding-right: 34px; }
.rq-modal .rq-seg {
  height: 5px; flex: 1; border-radius: 999px; background: rgba(255,255,255,0.12);
  transition: background .4s var(--rq-ease), box-shadow .4s var(--rq-ease);
}
.rq-modal .rq-seg.rq-done { background: rgba(239,106,44,0.45); }
.rq-modal .rq-seg.rq-active { background: var(--rq-acc-bright); box-shadow: 0 0 12px rgba(255,140,58,0.7); }

/* step */
.rq-modal .rq-step { display: none; }
.rq-modal .rq-step.rq-active { display: block; animation: rq-enter .45s var(--rq-ease); }
@keyframes rq-enter { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

/* head */
.rq-modal .rq-head { text-align: left; margin-bottom: 20px; }
.rq-modal .rq-head h1,
.rq-modal .rq-head h2 { font-size: 23px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 5px; }
.rq-modal .rq-head p { font-size: 14px; color: var(--rq-ink-2); margin: 0; text-wrap: balance; }

/* 渐变图标徽章（step2/3 header + success check） */
.rq-modal .rq-badge {
  width: 84px; height: 84px; border-radius: 22px;
  display: grid; place-items: center; color: #1a0a02;
  background: linear-gradient(155deg, var(--rq-acc-bright) 0%, var(--rq-acc-deep-a) 55%, var(--rq-acc-deep-b) 130%);
  box-shadow: 0 1px 0 rgba(255,255,255,0.5) inset, 0 16px 34px -12px rgba(239,106,44,0.65);
}
.rq-modal .rq-badge svg { width: 40px; height: 40px; }

/* rows（step1 类型选择） */
.rq-modal .rq-rows { display: flex; flex-direction: column; gap: 14px; }
.rq-modal .rq-row {
  display: flex; align-items: center; gap: 15px; width: 100%;
  background: transparent; border: none; padding: 4px 2px;
  cursor: pointer; text-align: left; font-family: inherit; color: inherit;
  transition: transform .15s var(--rq-ease);
}
.rq-modal .rq-row:active { transform: scale(0.99); }
/* 切换 design/dev 时新行淡入滑入 */
@keyframes rq-row-in { from { opacity: 0; transform: translateX(14px) scale(0.97); } to { opacity: 1; transform: none; } }
.rq-modal .rq-row.rq-swapping { animation: rq-row-in 0.34s var(--rq-ease); }
.rq-modal .rq-row.rq-swapping .rq-row-arrow { animation: rq-row-in 0.34s var(--rq-ease) 0.04s both; }
.rq-modal .rq-row-ic {
  flex: 0 0 auto; width: 46px; height: 46px; border-radius: var(--rq-r-icon);
  display: grid; place-items: center;
}
/* design=橙底+白圆点、dev=深底+白网格（呼应站点 about 的 tile2 二元） */
.rq-modal .rq-row[data-rq-type="design"] .rq-row-ic {
  color: #fff;
  background:
    radial-gradient(rgba(255,255,255,0.20) 1.3px, transparent 1.4px) 0 0 / 10px 10px,
    linear-gradient(155deg, var(--rq-acc-bright) 0%, var(--rq-acc-deep-a) 80%);
  box-shadow: 0 1px 0 rgba(255,255,255,0.4) inset, 0 6px 16px -6px rgba(239,106,44,0.5);
}
.rq-modal .rq-row[data-rq-type="dev"] .rq-row-ic {
  color: var(--rq-acc-bright);
  background:
    linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px) 0 0 / 12px 12px,
    linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px) 0 0 / 12px 12px,
    #0f0f0f;
  border: 1px solid rgba(255,255,255,0.09);
}
.rq-modal .rq-row-ic svg { width: 22px; height: 22px; }
.rq-modal .rq-row-tx { flex: 1 1 auto; min-width: 0; }
.rq-modal .rq-row-title { display: block; font-size: 16px; font-weight: 600; color: var(--rq-ink); }
.rq-modal .rq-row-sub { display: block; font-size: 14px; color: var(--rq-ink-2); margin-top: 1px; }
.rq-modal .rq-row-arrow {
  flex: 0 0 auto; width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--rq-tile); border: 1px solid var(--rq-line);
  color: var(--rq-ink-2); transition: all .2s var(--rq-ease);
}
.rq-modal .rq-row-arrow svg { width: 19px; height: 19px; }
.rq-modal .rq-row:hover .rq-row-arrow { background: var(--rq-tile-press); }
/* 切换入口（右侧箭头）显示目标类型的完整 icon 样式 */
.rq-modal .rq-row .rq-row-arrow[data-rq-switch="design"] {
  color: #fff; border-color: transparent;
  background:
    radial-gradient(rgba(255,255,255,0.20) 1.3px, transparent 1.4px) 0 0 / 9px 9px,
    linear-gradient(155deg, var(--rq-acc-bright) 0%, var(--rq-acc-deep-a) 80%);
}
.rq-modal .rq-row .rq-row-arrow[data-rq-switch="dev"] {
  color: var(--rq-acc-bright); border-color: rgba(255,255,255,0.09);
  background:
    linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px) 0 0 / 11px 11px,
    linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px) 0 0 / 11px 11px,
    #0f0f0f;
}

/* reveal（chips / 描述框折叠展开） */
.rq-modal .rq-reveal {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .4s var(--rq-ease), opacity .35s var(--rq-ease), margin .4s var(--rq-ease);
}
.rq-modal .rq-reveal.rq-show { max-height: 340px; opacity: 1; margin-top: 20px; }
.rq-modal .rq-field-label {
  font-family: var(--rq-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--rq-ink-3);
  display: block; margin-bottom: 11px;
}

/* chips */
.rq-modal .rq-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.rq-modal .rq-chip {
  padding: 9px 16px; background: var(--rq-tile); border: 1px solid var(--rq-line);
  border-radius: var(--rq-r-pill); font-size: 14px; font-family: inherit;
  color: var(--rq-ink-2); cursor: pointer; transition: all .18s var(--rq-ease);
}
.rq-modal .rq-chip:active { transform: scale(0.95); }
.rq-modal .rq-chip:hover { border-color: var(--rq-line-2); }
.rq-modal .rq-chip.rq-selected { background: rgba(239,106,44,0.14); border-color: var(--rq-acc); color: var(--rq-acc-bright); }

/* inputs */
.rq-modal textarea, .rq-modal input {
  width: 100%; padding: 14px 15px; background: rgba(0,0,0,0.28);
  border: 1px solid var(--rq-line); border-radius: var(--rq-r-tile);
  color: var(--rq-ink); font-size: 15px; font-family: inherit; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.rq-modal textarea { min-height: 96px; resize: none; }
.rq-modal textarea:focus, .rq-modal input:focus { border-color: var(--rq-acc); box-shadow: 0 0 0 3px rgba(239,106,44,0.13); }
.rq-modal textarea::placeholder, .rq-modal input::placeholder { color: var(--rq-ink-4); }
.rq-modal .rq-stack { display: flex; flex-direction: column; gap: 18px; }
.rq-modal .rq-group { display: flex; flex-direction: column; }

/* AI brief */
.rq-modal .rq-ai-load { text-align: center; padding: 22px 10px; color: var(--rq-ink-2); font-size: 14px; }
.rq-modal .rq-spinner {
  width: 30px; height: 30px; margin: 0 auto 14px;
  border: 3px solid rgba(239,106,44,0.18); border-top-color: var(--rq-acc-bright);
  border-radius: 50%; animation: rq-spin 1s linear infinite;
}
@keyframes rq-spin { to { transform: rotate(360deg); } }
.rq-modal .rq-brief {
  background: rgba(0,0,0,0.28); border: 1px solid var(--rq-line); border-radius: var(--rq-r-tile);
  padding: 16px 16px 12px; max-height: clamp(140px, 30vh, 300px); overflow-y: auto; outline: none;
  transition: border-color .2s;
}
.rq-modal .rq-brief:focus { border-color: var(--rq-acc); }
.rq-modal .rq-brief h4 {
  font-family: var(--rq-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--rq-acc-bright); margin: 14px 0 6px;
}
.rq-modal .rq-brief h4:first-child { margin-top: 0; }
.rq-modal .rq-brief p { font-size: 14px; color: var(--rq-ink-2); line-height: 1.65; margin-bottom: 4px; }
.rq-modal .rq-brief .rq-bul { font-size: 14px; color: var(--rq-ink-2); line-height: 1.65; padding-left: 4px; }
.rq-modal .rq-brief::-webkit-scrollbar { width: 4px; }
.rq-modal .rq-brief::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.14); border-radius: 4px; }
.rq-modal .rq-edit-hint {
  font-family: var(--rq-mono); font-size: 10.5px; letter-spacing: 0.06em;
  color: var(--rq-ink-3); margin-top: 11px; text-transform: uppercase;
}
.rq-modal .rq-ai-fallback {
  font-family: var(--rq-mono); font-size: 10.5px; letter-spacing: 0.06em;
  color: var(--rq-accent); opacity: 0.7; margin-top: 8px;
}

/* references（默认折叠，点按钮展开） */
.rq-modal .rq-ref { margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--rq-line-2); }
.rq-modal .rq-ref-toggle {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 12px 14px; background: var(--rq-tile); border: 1px dashed var(--rq-line-2);
  border-radius: var(--rq-r-tile); color: var(--rq-ink-2); font-family: inherit;
  font-size: 13px; cursor: pointer; transition: border-color .2s, color .2s, background .2s;
}
.rq-modal .rq-ref-toggle:hover { border-color: rgba(239,106,44,0.4); color: var(--rq-ink); background: var(--rq-tile-press); }
.rq-modal .rq-ref-toggle-plus {
  display: grid; place-items: center; width: 22px; height: 22px; border-radius: 7px;
  background: rgba(239,106,44,0.14); color: var(--rq-acc-bright); font-size: 17px; line-height: 1; font-weight: 500;
}
.rq-modal .rq-ref-body { display: none; }
.rq-modal .rq-ref-body.rq-show { display: block; animation: rq-enter 0.35s var(--rq-ease); }
.rq-modal .rq-ref-row { display: flex; gap: 8px; margin-bottom: 12px; }
.rq-modal .rq-ref-row input { flex: 1; padding: 11px 13px; font-size: 13px; }
.rq-modal .rq-ref-add {
  padding: 0 16px; background: rgba(239,106,44,0.12); border: 1px solid rgba(239,106,44,0.3);
  border-radius: var(--rq-r-tile); color: var(--rq-acc-bright); font-size: 13px; font-weight: 600;
  font-family: inherit; cursor: pointer; white-space: nowrap; transition: background .2s;
}
.rq-modal .rq-ref-add:active { background: rgba(239,106,44,0.2); }
.rq-modal .rq-drop {
  display: block; border: 1.5px dashed var(--rq-line-2); border-radius: var(--rq-r-tile);
  padding: 18px; text-align: center; cursor: pointer; color: var(--rq-ink-3); font-size: 13px;
  transition: all .2s;
}
.rq-modal .rq-drop:hover { border-color: rgba(239,106,44,0.4); color: var(--rq-ink-2); }
.rq-modal .rq-drop input[type="file"] { display: none; }
.rq-modal .rq-drop-ic { display: block; margin: 0 auto 6px; width: 22px; height: 22px; color: var(--rq-ink-3); }
.rq-modal .rq-thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.rq-modal .rq-thumb { position: relative; width: 60px; height: 60px; border-radius: 12px; overflow: hidden; background: rgba(255,255,255,0.05); }
.rq-modal .rq-thumb img { width: 100%; height: 100%; object-fit: cover; }
.rq-modal .rq-thumb.rq-loading { display: grid; place-items: center; border: 1px dashed var(--rq-line-2); }
.rq-modal .rq-thumb.rq-loading .rq-spinner { width: 18px; height: 18px; margin: 0; border-width: 2px; }
.rq-modal .rq-thumb button {
  position: absolute; top: 4px; right: 4px; width: 18px; height: 18px; border-radius: 50%;
  background: rgba(0,0,0,0.78); border: none; color: #fff; font-size: 11px; cursor: pointer;
  display: grid; place-items: center;
}
.rq-modal .rq-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.rq-modal .rq-link {
  display: flex; align-items: center; gap: 7px; padding: 7px 11px;
  background: var(--rq-tile); border: 1px solid var(--rq-line); border-radius: 10px;
  font-size: 12px; color: var(--rq-ink-2); max-width: 100%;
}
.rq-modal .rq-link span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rq-modal .rq-link button { background: none; border: none; color: var(--rq-ink-3); cursor: pointer; font-size: 15px; line-height: 1; flex-shrink: 0; }

/* error */
.rq-modal .rq-err {
  color: var(--rq-err); font-size: 12.5px; margin-top: 7px;
  height: 0; opacity: 0; overflow: hidden; transition: opacity .2s, height .2s;
}
.rq-modal [data-rq-upload-err] { height: auto; opacity: 1; }
.rq-modal .rq-err.rq-show { opacity: 1; height: auto; }
.rq-modal input.rq-bad { border-color: var(--rq-err); }

/* footer */
.rq-modal .rq-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; }
.rq-modal .rq-foot.rq-solo { justify-content: flex-end; }
.rq-modal .rq-pill {
  display: inline-flex; align-items: center; gap: 9px; padding: 11px 18px 11px 12px;
  border-radius: var(--rq-r-pill); font-size: 15px; font-weight: 500; font-family: inherit;
  cursor: pointer; border: 1px solid var(--rq-line); background: var(--rq-tile); color: var(--rq-ink-2);
  transition: all .18s var(--rq-ease);
}
.rq-modal .rq-pill:hover { background: var(--rq-tile-press); color: var(--rq-ink); }
.rq-modal .rq-pill:active { transform: scale(0.97); }
.rq-modal .rq-pill .rq-pic { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; background: rgba(255,255,255,0.08); color: var(--rq-ink-2); }
.rq-modal .rq-pill .rq-pic svg { width: 15px; height: 15px; }
.rq-modal .rq-pill.rq-next { padding: 11px 14px 11px 20px; background: var(--rq-ink); color: #0a0a0a; border-color: var(--rq-ink); font-weight: 600; }
.rq-modal .rq-pill.rq-next .rq-pic { background: rgba(0,0,0,0.12); color: #0a0a0a; }
.rq-modal .rq-pill.rq-next:hover { background: #e9e9e9; color: #0a0a0a; }
.rq-modal .rq-pill.rq-next:disabled { background: var(--rq-tile); color: var(--rq-ink-4); border-color: var(--rq-line); cursor: not-allowed; transform: none; }
.rq-modal .rq-pill.rq-next:disabled .rq-pic { background: rgba(255,255,255,0.05); color: var(--rq-ink-4); }

/* success + recap */
.rq-modal .rq-success { text-align: center; padding: 28px 8px 14px; }
.rq-modal .rq-check {
  width: 80px; height: 80px; margin: 0 auto 22px; border-radius: 50%;
  display: grid; place-items: center; color: #1a0a02;
  background: linear-gradient(155deg, var(--rq-acc-bright) 0%, var(--rq-acc-deep-a) 60%, var(--rq-acc-deep-b) 130%);
  box-shadow: 0 1px 0 rgba(255,255,255,0.4) inset, 0 12px 30px -10px rgba(239,106,44,0.6);
  animation: rq-pop .55s var(--rq-spring) both;
}
.rq-modal .rq-check svg { width: 38px; height: 38px; }
@keyframes rq-pop { from { transform: scale(.4) rotate(-12deg); opacity: 0; } to { transform: scale(1) rotate(0); opacity: 1; } }
.rq-modal .rq-success h2 { font-size: 23px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.02em; }
.rq-modal .rq-success p { font-size: 15px; color: var(--rq-ink-2); }
.rq-modal .rq-recap {
  margin: 22px auto 0; max-width: 320px; text-align: left;
  background: rgba(0,0,0,0.25); border: 1px solid var(--rq-line); border-radius: var(--rq-r-tile);
  padding: 14px 16px; display: flex; flex-direction: column; gap: 9px;
}
.rq-modal .rq-recap-line { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; font-size: 13px; }
.rq-modal .rq-recap-line .rq-k { flex: 0 0 auto; font-family: var(--rq-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--rq-ink-3); }
.rq-modal .rq-recap-line .rq-v { flex: 1 1 auto; min-width: 0; color: var(--rq-ink); text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

@media (max-width: 380px) {
  .rq-modal .rq-card { padding: 22px 18px 18px; }
  .rq-modal .rq-head h1,
  .rq-modal .rq-head h2 { font-size: 23px; }
  .rq-modal .rq-pill { font-size: 14px; }
}
/* 触屏设备输入框≥16px，避免 iOS 聚焦放大页面 */
@media (pointer: coarse) {
  .rq-modal textarea, .rq-modal input, .rq-modal .rq-ref-row input { font-size: 16px; }
}
