/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── 方案一色彩变量（极简白） ── */
:root {
  --bg:    #FAFAF8;
  --sf:    #FFFFFF;
  --sf2:   #F5F4F0;
  --bdr:   #E8E8E8;
  --t1:    #1A1A1A;
  --t2:    #9A9A9A;
  --acc:   #1A1A1A;
  --accfg: #FFFFFF;
  --acl:   #F0EFE9;
  --hbg:   #F5F5F5;
  --suc:   #2E7D32;
  --tgg:   #E8F5E9; --tggc: #2E7D32;
  --tgb:   #E3F2FD; --tgbc: #1565C0;
  --tgo:   #FFF3E0; --tgoc: #E65100;
  --r:     10px;
  --rbtn:  9px;
}

/* ── 页面布局 ── */
body {
  font-family: 'Noto Sans SC', -apple-system, sans-serif;
  background: #EBEBEB;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 32px 16px 48px;
}

.wrap { display: flex; flex-direction: column; align-items: center; }

/* ── 手机壳 ── */
.phone {
  width: 375px;
  height: 780px;
  border-radius: 44px;
  border: 8px solid #1C1C1E;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.08) inset,
    0 28px 72px rgba(0,0,0,0.22),
    0 8px 20px rgba(0,0,0,0.10);
  display: flex;
  flex-direction: column;
  background: var(--bg);
  position: relative;
}

/* 刘海 */
.phone::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 116px; height: 30px;
  background: #1C1C1E;
  border-radius: 0 0 18px 18px;
  z-index: 100;
}

/* ── 状态栏 ── */
.sb {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 26px;
  flex-shrink: 0;
  background: var(--sf);
  border-bottom: 1px solid var(--bdr);
  z-index: 10;
}
.sb-time  { font-size: 15px; font-weight: 600; color: var(--t1); }
.sb-icons { font-size: 12px; color: var(--t1); display: flex; gap: 5px; align-items: center; }

/* ── 屏幕 ── */
.screen { flex: 1; overflow: hidden; position: relative; }

/* ── 页面切换 ── */
.page {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  overflow-y: auto;
  display: none;
  background: var(--bg);
  animation: pgIn .18s ease;
}
.page.on { display: block; }
@keyframes pgIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }

.page::-webkit-scrollbar { width: 2px; }
.page::-webkit-scrollbar-thumb { background: var(--bdr); border-radius: 2px; }

/* ── 顶部栏 ── */
.appbar {
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--sf);
  border-bottom: 1px solid var(--bdr);
  flex-shrink: 0;
}
.appbar-left  { display: flex; align-items: center; gap: 8px; }
.appbar-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 17px; font-weight: 600;
  color: var(--t1);
}
.appbar-right { font-size: 12px; color: var(--t2); }
.back-btn {
  background: none; border: none;
  cursor: pointer; font-size: 20px;
  color: var(--t2); padding: 0; line-height: 1;
  transition: color .15s;
}
.back-btn:hover { color: var(--t1); }

/* ── Input Tabs ── */
.itabs {
  display: flex;
  background: var(--acl);
  border-radius: 100px;
  padding: 3px;
  margin: 14px 18px 0;
}
.itab {
  flex: 1; padding: 8px;
  border: none; border-radius: 100px;
  font-size: 13px; font-weight: 500;
  background: transparent; color: var(--t2);
  cursor: pointer; transition: all .2s;
  font-family: inherit;
}
.itab.on {
  background: var(--sf); color: var(--t1);
  box-shadow: 0 1px 4px rgba(0,0,0,.09);
}

/* ── Textarea ── */
.textarea {
  display: block;
  width: calc(100% - 36px);
  min-height: 130px;
  margin: 13px 18px 0;
  padding: 13px;
  border: 1.5px solid var(--bdr);
  border-radius: var(--r);
  background: var(--sf);
  color: var(--t1);
  font-family: inherit; font-size: 13.5px; line-height: 1.65;
  resize: none; outline: none;
  transition: border-color .2s;
}
.textarea::placeholder { color: var(--t2); }
.textarea:focus { border-color: var(--acc); }
.char-hint { font-size: 11px; color: var(--t2); text-align: right; margin: 4px 18px 0; }

/* ── Upload zone ── */
.uzone {
  margin: 14px 18px;
  border: 2px dashed var(--bdr);
  border-radius: var(--r);
  padding: 36px 20px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  background: var(--sf);
}
.uzone:hover, .uzone.drag {
  border-color: var(--acc);
  background: var(--acl);
}
.uico   { font-size: 32px; margin-bottom: 10px; }
.utitle { font-size: 14px; font-weight: 600; color: var(--t1); margin-bottom: 5px; }
.uhint  { font-size: 12px; color: var(--t2); line-height: 1.6; }

/* ── File card ── */
.fcard {
  margin: 0 18px;
  padding: 13px 14px;
  background: var(--sf);
  border: 1px solid var(--bdr);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  gap: 12px;
}
.fthumb {
  width: 44px; height: 44px;
  border-radius: 8px; background: var(--acl);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.finfo { flex: 1; min-width: 0; }
.fname { font-size: 13px; font-weight: 600; color: var(--t1); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fmeta { font-size: 11px; color: var(--t2); margin-top: 2px; }
.frem  {
  width: 24px; height: 24px;
  background: var(--hbg); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 12px; color: var(--t2);
  border: none; flex-shrink: 0;
}

/* ── Style chips ── */
.style-sec  { padding: 14px 18px 0; }
.style-lbl  { font-size: 11px; font-weight: 600; color: var(--t2); letter-spacing: .6px; text-transform: uppercase; margin-bottom: 9px; }
.chips      { display: flex; gap: 8px; }
.chip {
  flex: 1; padding: 10px 0;
  border: 1.5px solid var(--bdr); border-radius: var(--r);
  background: var(--sf); color: var(--t2);
  font-size: 13px; font-weight: 500;
  cursor: pointer; text-align: center;
  transition: all .15s; font-family: inherit;
}
.chip.on    { border-color: var(--acc); background: var(--acl); color: var(--acc); }
.chip:hover:not(.on) { background: var(--hbg); }

/* ── Buttons ── */
.btn-p {
  display: block;
  width: calc(100% - 36px); margin: 15px 18px;
  padding: 14px; background: var(--acc); color: var(--accfg);
  border: none; border-radius: var(--rbtn);
  font-size: 15px; font-weight: 600; cursor: pointer;
  font-family: inherit; text-align: center;
  transition: all .15s; letter-spacing: .2px;
}
.btn-p:hover  { opacity: .86; transform: translateY(-1px); }
.btn-p:active { opacity: 1; transform: none; }

.btn-s {
  padding: 13px; border: 1.5px solid var(--bdr);
  border-radius: var(--rbtn); background: var(--sf);
  color: var(--t1); font-size: 13.5px; font-weight: 500;
  cursor: pointer; text-align: center;
  font-family: inherit; transition: all .15s; display: block;
}
.btn-s:hover { background: var(--hbg); }

/* ── Tags ── */
.tag   { display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 100px; font-size: 11px; font-weight: 600; }
.tag-g { background: var(--tgg); color: var(--tggc); }
.tag-b { background: var(--tgb); color: var(--tgbc); }
.tag-o { background: var(--tgo); color: var(--tgoc); }

/* ── Info line ── */
.infoline { display: flex; align-items: center; gap: 7px; padding: 9px 18px; font-size: 12px; color: var(--t2); }

/* ── Processing ── */
.proc-wrap  { padding: 36px 20px; text-align: center; }
.spinner {
  width: 64px; height: 64px;
  border-radius: 50%;
  border: 3px solid var(--bdr); border-top-color: var(--acc);
  animation: spin 1s linear infinite;
  margin: 0 auto 22px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.proc-title { font-size: 16px; font-weight: 700; color: var(--t1); margin-bottom: 5px; }
.proc-sub   { font-size: 13px; color: var(--t2); line-height: 1.5; }

.steps {
  margin: 22px 0;
  text-align: left;
  background: var(--sf);
  border-radius: var(--r);
  border: 1px solid var(--bdr);
}
.step {
  display: flex; align-items: center; gap: 11px;
  padding: 12px 15px;
  border-bottom: 1px solid var(--bdr);
}
.step:last-child { border-bottom: none; }

.sdot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.step.done    .sdot { background: var(--suc); }
.step.active  .sdot { background: var(--acc); animation: blink 1s ease-in-out infinite; }
.step.pending .sdot { background: var(--bdr); }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .3; } }

.stxt { font-size: 13px; color: var(--t1); flex: 1; }
.step.pending .stxt { color: var(--t2); }
.stime { font-size: 11px; color: var(--t2); }
.step.done .stime { color: var(--suc); }

/* ── Result ── */
.coll-hd {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 18px; cursor: pointer;
  background: var(--sf); border-bottom: 1px solid var(--bdr);
}
.coll-lbl { font-size: 11px; font-weight: 700; color: var(--t2); letter-spacing: .6px; text-transform: uppercase; }
.coll-arr { font-size: 11px; color: var(--t2); transition: transform .2s; }
.coll-arr.open { transform: rotate(180deg); }
.coll-body {
  padding: 12px 18px;
  font-size: 13px; color: var(--t2); line-height: 1.72;
  background: var(--sf2); border-bottom: 1px solid var(--bdr);
  display: none;
}
.coll-body.open { display: block; }

.res-card   { margin: 0 18px; background: var(--sf); border: 1px solid var(--bdr); border-radius: var(--r); overflow: hidden; }
.res-hd     { padding: 11px 15px; border-bottom: 1px solid var(--bdr); display: flex; align-items: center; justify-content: space-between; background: var(--acl); }
.res-lbl    { font-size: 12px; font-weight: 600; color: var(--acc); }
.res-body   { padding: 15px; font-size: 13.5px; line-height: 1.78; color: var(--t1); white-space: pre-wrap; }

.res-actions { display: flex; gap: 10px; padding: 13px 18px; }
.res-actions .btn-p { margin: 0; flex: 1; padding: 13px; width: auto; font-size: 13.5px; }
.res-actions .btn-s { flex: 1; }

.restyle     { padding: 2px 18px 14px; }
.restyle-lbl { font-size: 12px; color: var(--t2); margin-bottom: 8px; }

/* ── History ── */
.hgroup { padding: 10px 18px 5px; font-size: 11px; font-weight: 700; color: var(--t2); text-transform: uppercase; letter-spacing: .8px; }
.hitem  {
  margin: 0 18px 8px; padding: 13px 15px;
  background: var(--sf); border: 1px solid var(--bdr); border-radius: var(--r);
  cursor: pointer; transition: all .15s;
}
.hitem:hover { background: var(--hbg); transform: translateX(2px); }
.hitem-hd    { display: flex; align-items: center; justify-content: space-between; margin-bottom: 7px; }
.htime       { font-size: 11px; color: var(--t2); }
.hprev       { font-size: 13px; color: var(--t1); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.empty       { padding: 48px 20px; text-align: center; font-size: 13px; color: var(--t2); }

/* ── Profile ── */
.prof-hero {
  padding: 20px 18px; display: flex; align-items: center; gap: 15px;
  background: var(--sf); border-bottom: 1px solid var(--bdr);
}
.ava   { width: 56px; height: 56px; border-radius: 50%; background: var(--acl); display: flex; align-items: center; justify-content: center; font-size: 26px; flex-shrink: 0; }
.pname { font-size: 17px; font-weight: 700; color: var(--t1); }
.pmeta { font-size: 12px; color: var(--t2); margin-top: 3px; }

.stats  { display: flex; padding: 14px 18px; gap: 10px; background: var(--sf); margin-bottom: 8px; border-bottom: 1px solid var(--bdr); }
.stat   { flex: 1; text-align: center; padding: 12px 8px; background: var(--acl); border-radius: var(--r); }
.snum   { font-size: 21px; font-weight: 700; color: var(--acc); }
.slbl   { font-size: 10px; color: var(--t2); margin-top: 3px; }

.mgap       { height: 8px; background: var(--sf2); }
.msec       { background: var(--sf); border-top: 1px solid var(--bdr); border-bottom: 1px solid var(--bdr); margin-bottom: 8px; }
.msec-title { padding: 12px 18px 6px; font-size: 11px; font-weight: 700; color: var(--t2); letter-spacing: .6px; text-transform: uppercase; }
.mitem { display: flex; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--bdr); cursor: pointer; transition: background .15s; }
.mitem:last-child { border-bottom: none; }
.mitem:hover { background: var(--hbg); }
.mico  { font-size: 18px; margin-right: 12px; }
.mtxt  { flex: 1; font-size: 14px; color: var(--t1); }
.marr  { font-size: 12px; color: var(--t2); }

/* ── Bottom nav ── */
.bnav {
  height: 64px;
  display: flex; align-items: center;
  background: var(--sf); border-top: 1px solid var(--bdr);
  flex-shrink: 0; padding: 0 4px 6px;
}
.nbtn {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 3px;
  cursor: pointer; padding: 7px 2px;
  border-radius: 10px; border: none; background: none;
  transition: all .15s; font-family: inherit;
}
.nbtn:hover { background: var(--hbg); }
.nico { font-size: 19px; line-height: 1; transition: transform .15s; }
.nbtn:hover .nico { transform: scale(1.1); }
.nbtn.on .nico, .nbtn.on .nlbl { color: var(--acc); }
.nbtn.on .nico { transform: scale(1.05); }
.nlbl { font-size: 10px; color: var(--t2); white-space: nowrap; }

/* ── Toast ── */
.toast {
  position: absolute; bottom: 80px; left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,.72); color: white;
  padding: 8px 18px; border-radius: 100px;
  font-size: 12.5px; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity .2s; z-index: 999;
}
.toast.show { opacity: 1; }