/* ============================================================================
   자수 측정 — 전면 리디자인 (20260704) · 계측기 통일 디자인
   낡은 셸 CSS 제거. 실시간 계측 패널 + 재생바 + 타이핑 + 컨트롤 툴바 + 기록.
   JS의 모든 id/onclick/클래스(paused-warning, is-playing, history-item 등) 유지.
   ========================================================================== */
:root {
  --ink:#171a2b; --text:#3a3f55; --muted:#767b92; --faint:#a2a7bb;
  --line:#e7e9f1; --line-strong:#d7dae6; --paper:#f4f5f9; --card:#fff; --wash:#fafafd;
  --violet:#5b3df0; --violet-deep:#4529ce; --violet-tint:#efecfe; --violet-wash:#f8f7ff;
  --green:#0e8a63; --green-tint:#e6f5ef; --amber:#b45309; --amber-tint:#fdf3e7;
  --red:#c2453f; --red-tint:#fdeceb;
  --r-ctl:10px; --r-card:16px;
  --shadow-card:0 10px 30px rgba(23,26,43,.05); --shadow-pop:0 22px 60px rgba(23,26,43,.22);
  --sidebar-width:240px;
  --font-sans:Pretendard,"Apple SD Gothic Neo",-apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic",sans-serif;
  --font-num:"Space Grotesk",Pretendard,sans-serif;
  --primary:#5b3df0; --text-dark:#171a2b;
}
* { box-sizing:border-box; }
html,body { min-height:100%; }
body { margin:0; padding:0; font-family:var(--font-sans); color:var(--text); background:var(--paper); letter-spacing:-0.02em; overflow:hidden; display:flex; }
button,input,textarea,select { font:inherit; color:inherit; }
button { cursor:pointer; }
:focus-visible { outline:3px solid rgba(91,61,240,.28); outline-offset:2px; }
a { color:inherit; text-decoration:none; }
svg { display:block; width:1em; height:1em; fill:none; stroke:currentColor; stroke-width:1.75; stroke-linecap:round; stroke-linejoin:round; }
.num { font-family:var(--font-num); font-variant-numeric:tabular-nums; letter-spacing:-0.01em; }
.page-eyebrow { display:inline-block; color:var(--violet); font-size:11px; font-weight:800; letter-spacing:.14em; }
.btn-ico { display:inline-flex; font-size:15px; }
kbd { font-family:var(--font-num); font-size:10px; font-weight:700; padding:2px 5px; border:1px solid var(--line-strong); border-radius:5px; background:var(--wash); color:var(--muted); }

.main-content { flex:1; min-width:0; height:100vh; overflow-y:auto; padding:34px clamp(20px,3.2vw,44px) 44px; }

/* 사이드바 */
.sidebar { position:sticky; top:0; z-index:30; display:flex; flex-direction:column; gap:14px; width:var(--sidebar-width); height:100vh; padding:22px 14px 16px; border-right:1px solid var(--line); background:var(--card); overflow-y:auto; flex-shrink:0; }
.sidebar-top { display:flex; align-items:center; justify-content:space-between; padding:0 6px; }
.logo { display:flex; align-items:center; gap:8px; margin:0; color:var(--ink); font-size:16px; font-weight:800; letter-spacing:-0.03em; }
.sidebar-close-btn,.mobile-menu-btn { display:none; border:0; background:transparent; color:var(--ink); }
.nav-list.nav-groups { display:grid; gap:4px; align-content:start; flex:1; }
.nav-section { border:0; }
.nav-section-title { display:flex; align-items:center; justify-content:space-between; padding:9px 8px 5px; color:var(--faint); font-size:10.5px; font-weight:800; letter-spacing:.08em; list-style:none; cursor:pointer; }
.nav-section-title::-webkit-details-marker { display:none; }
.nav-section-arrow { font-size:12px; transition:transform .18s ease; }
.nav-section[open] .nav-section-arrow { transform:rotate(180deg); }
.nav-section-list { display:grid; gap:1px; }
.nav-item { display:flex; align-items:center; gap:9px; min-height:36px; padding:6px 10px; border-radius:9px; color:var(--text); font-size:13px; font-weight:500; transition:background-color .13s ease,color .13s ease; }
.nav-item:hover { background:var(--wash); color:var(--ink); }
.nav-item.active { color:var(--violet-deep); background:var(--violet-tint); font-weight:700; }
.nav-icon { width:18px; text-align:center; font-size:14px; filter:grayscale(.25); }
.nav-item.active .nav-icon { filter:none; }
.ai-nav-highlight .nav-text { background:linear-gradient(90deg,var(--violet),#8a6cf8); -webkit-background-clip:text; background-clip:text; color:transparent; font-weight:700; }
.sidebar-footer { display:grid; gap:8px; }
.profile-card { display:flex; align-items:center; gap:10px; padding:10px; border:1px solid var(--line); border-radius:12px; background:var(--card); cursor:pointer; transition:border-color .15s ease; }
.profile-card:hover { border-color:var(--line-strong); }
.avatar { display:grid; place-items:center; width:34px; height:34px; border-radius:50%; color:var(--violet-deep); background:var(--violet-tint); font-weight:800; font-size:13px; }
.profile-name { color:var(--ink); font-size:13px; font-weight:700; }
.profile-action { color:var(--faint); font-size:11px; }
.admin-trigger { min-height:34px; border:1px dashed var(--line-strong); border-radius:10px; color:var(--muted); background:transparent; font-size:12px; }
.sidebar-overlay { display:none; }

/* 카드 */
.ms-card { padding:24px; border:1px solid var(--line); border-radius:var(--r-card); background:var(--card); box-shadow:var(--shadow-card); margin-bottom:18px; }

/* 헤더 */
.ms-header { display:flex; align-items:flex-start; justify-content:space-between; gap:20px; margin-bottom:22px; flex-wrap:wrap; }
.ms-title-area h2 { margin:6px 0 0; color:var(--ink); font-size:clamp(23px,2vw,30px); font-weight:800; letter-spacing:-0.04em; }
.ms-title-area p { margin:8px 0 0; color:var(--muted); font-size:13.5px; }

/* 스마트 일시정지 */
.ms-smartpause { display:flex; align-items:center; gap:14px; padding:12px 16px; border:1px solid #d8cffb; border-radius:var(--r-ctl); background:var(--violet-wash); flex-wrap:wrap; }
.ms-smartpause-label { display:flex; align-items:center; gap:7px; color:var(--violet-deep); font-size:13px; font-weight:700; }
.ms-tooltip { position:relative; display:inline-flex; }
.ms-tooltip-icon { display:grid; place-items:center; width:17px; height:17px; border-radius:50%; background:var(--violet-tint); color:var(--violet-deep); font-size:11px; font-weight:800; cursor:help; }
.ms-tooltip-text { position:absolute; top:calc(100% + 8px); right:0; z-index:20; width:230px; padding:10px 12px; border-radius:10px; background:var(--ink); color:#fff; font-size:11.5px; font-weight:500; line-height:1.5; opacity:0; visibility:hidden; transition:opacity .15s ease,visibility .15s ease; box-shadow:var(--shadow-pop); }
.ms-tooltip:hover .ms-tooltip-text { opacity:1; visibility:visible; }
.ms-switch { position:relative; width:42px; height:24px; flex:none; }
.ms-switch input { position:absolute; opacity:0; width:100%; height:100%; margin:0; cursor:pointer; }
.ms-slider { position:absolute; inset:0; border-radius:999px; background:var(--line-strong); transition:background-color .18s ease; }
.ms-slider::before { content:''; position:absolute; top:2px; left:2px; width:20px; height:20px; border-radius:50%; background:#fff; box-shadow:0 1px 3px rgba(23,26,43,.25); transition:transform .18s ease; }
.ms-switch input:checked + .ms-slider { background:var(--violet); }
.ms-switch input:checked + .ms-slider::before { transform:translateX(18px); }
.ms-delay { display:inline-flex; align-items:center; gap:5px; color:var(--muted); font-size:12.5px; font-weight:600; }
.ms-delay input { width:56px; height:32px; padding:0 8px; border:1px solid var(--line-strong); border-radius:8px; text-align:center; font-family:var(--font-num); font-size:13px; background:var(--card); }

/* 계측 카드 (독립 카드 4개) */
.ms-stats { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-bottom:20px; }
.ms-stat { position:relative; padding:20px 22px; border:1px solid var(--line); border-radius:var(--r-card); background:var(--card); box-shadow:var(--shadow-card); }
.ms-stat-accent { border-color:#d8cffb; }
.ms-stat-head { display:flex; align-items:center; gap:8px; margin-bottom:14px; }
.ms-stat-ico { display:grid; place-items:center; width:30px; height:30px; flex:none; border-radius:9px; color:var(--muted); background:var(--wash); font-size:16px; }
.ms-stat-accent .ms-stat-ico { color:var(--violet); background:var(--violet-tint); }
.ms-stat-label { color:var(--muted); font-size:12.5px; font-weight:700; }
.ms-stat-value { display:flex; align-items:baseline; gap:5px; color:var(--ink); }
.ms-stat-value .num { font-size:2.3rem; font-weight:700; line-height:1; }
.ms-stat-accent .ms-stat-value .num { color:var(--violet); }
.ms-stat-value small { color:var(--faint); font-size:13px; font-weight:700; }

/* 재생 위치 바 */
.ms-seek { display:flex; align-items:center; gap:14px; margin-bottom:18px; padding:14px 18px; border:1px solid var(--line); border-radius:var(--r-card); background:var(--wash); }
.ms-seek-play { display:grid; place-items:center; width:44px; height:44px; flex:none; border:0; border-radius:50%; color:#fff; background:var(--violet); font-size:15px; transition:background-color .15s ease; }
.ms-seek-play:hover { background:var(--violet-deep); }
.ms-seek-time { color:var(--muted); font-family:var(--font-num); font-size:12.5px; flex:none; }
.ms-seek-track { flex:1; }
#seekBar { width:100%; height:6px; -webkit-appearance:none; appearance:none; background:var(--line); border-radius:999px; outline:none; cursor:pointer; }
#seekBar::-webkit-slider-thumb { -webkit-appearance:none; width:16px; height:16px; border-radius:50%; background:var(--violet); border:2px solid #fff; box-shadow:0 1px 4px rgba(91,61,240,.4); cursor:pointer; }
#seekBar::-moz-range-thumb { width:16px; height:16px; border-radius:50%; background:var(--violet); border:2px solid #fff; cursor:pointer; }

/* 타이핑 영역 */
.ms-typing-wrap { position:relative; margin-bottom:18px; }
#typingArea { width:100%; min-height:clamp(240px,34vh,360px); padding:22px; border:2px solid var(--line-strong); border-radius:var(--r-card); background:var(--card); color:var(--ink); font-size:1.05rem; line-height:1.9; resize:vertical; outline:none; transition:border-color .18s ease, box-shadow .18s ease; }
#typingArea:focus { border-color:var(--violet); box-shadow:0 0 0 4px rgba(91,61,240,.1); }
#typingArea.paused-warning { border-color:var(--red); box-shadow:0 0 0 4px rgba(194,69,63,.12); }
.ms-typing-guide { position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px; pointer-events:none; text-align:center; color:var(--muted); }
#typingArea:focus + .ms-typing-guide, .ms-typing-wrap:has(#typingArea:not(:placeholder-shown)) .ms-typing-guide { opacity:0; }
.ms-typing-icon { display:grid; place-items:center; width:52px; height:52px; margin-bottom:6px; border-radius:50%; color:var(--violet); background:var(--violet-tint); font-size:24px; }
.ms-typing-guide p { margin:0; font-size:14px; font-weight:600; }
.ms-typing-sub { color:var(--faint) !important; font-size:12.5px !important; font-weight:500 !important; }

/* 컨트롤 툴바 */
.ms-controls { display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; }
.ms-controls-left { display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.ms-btn { display:inline-flex; align-items:center; gap:7px; min-height:44px; padding:0 16px; border:1px solid var(--line-strong); border-radius:var(--r-ctl); color:var(--text); background:var(--card); font-size:13px; font-weight:700; transition:border-color .14s ease,background-color .14s ease,color .14s ease; }
.ms-btn:hover { border-color:var(--violet); color:var(--violet); background:var(--violet-wash); }
.ms-btn-primary { border-color:transparent; color:#fff; background:var(--violet); min-height:44px; padding:0 22px; }
.ms-btn-primary:hover { background:var(--violet-deep); color:#fff; }
.ms-btn-primary.is-playing { background:var(--violet-deep); }
.ms-btn-reset { border-color:var(--line-strong); color:var(--muted); }
.ms-btn-reset:hover { border-color:var(--red); color:var(--red); background:var(--red-tint); }
.ms-btn-ghost { min-height:38px; font-size:12.5px; }
.ms-btn-ghost:hover { border-color:var(--red); color:var(--red); background:var(--red-tint); }
#audioFile { display:none; }

/* 속도 조절 */
.ms-speed { display:inline-flex; align-items:center; gap:10px; padding:0 14px; height:44px; border:1px solid var(--line); border-radius:var(--r-ctl); background:var(--wash); }
.ms-speed-label { color:var(--muted); font-size:12px; font-weight:700; }
.ms-speed-stepper { display:inline-flex; align-items:center; gap:6px; }
.ms-speed-stepper button { width:28px; height:28px; border:1px solid var(--line-strong); border-radius:8px; background:var(--card); color:var(--text); font-size:15px; line-height:1; }
.ms-speed-stepper button:hover { border-color:var(--violet); color:var(--violet); }
.ms-speed-display { min-width:42px; text-align:center; color:var(--ink); font-size:13px; font-weight:700; }

/* 기록 카드 */
.ms-history-card { padding:22px 24px; border:1px solid var(--line); border-radius:var(--r-card); background:var(--card); box-shadow:var(--shadow-card); }
.ms-history-head { display:flex; align-items:center; justify-content:space-between; gap:14px; margin-bottom:16px; }
.ms-history-title { color:var(--ink); font-size:15px; font-weight:800; }
.ms-history-list { list-style:none; margin:0; padding:0; display:grid; gap:8px; }
.history-item { display:flex; align-items:center; justify-content:space-between; gap:14px; padding:14px 16px; border:1px solid var(--line); border-radius:var(--r-ctl); background:var(--card); transition:border-color .14s ease; }
.history-item:hover { border-color:var(--line-strong); }
.history-item > div:first-child { display:flex; align-items:center; gap:10px; }
.history-item > div:first-child > span:last-child { color:var(--violet-deep); font-family:var(--font-num); font-weight:700; }
.history-tag { padding:3px 10px; border-radius:999px; background:var(--violet-tint); color:var(--violet-deep); font-size:11px; font-weight:700; }
.history-item > div:last-child { color:var(--muted) !important; font-size:12.5px !important; font-variant-numeric:tabular-nums; }
.history-empty,.ms-history-empty { padding:32px 16px; text-align:center; color:var(--muted); font-size:14px; font-weight:600; }
.history-empty small,.ms-history-empty small { display:inline-block; margin-top:6px; color:var(--faint); font-size:12px; font-weight:500; }

/* 결과 모달 */
#resultLayer { display:none; position:fixed; inset:0; z-index:1100; align-items:center; justify-content:center; padding:24px; background:rgba(18,19,36,.5); backdrop-filter:blur(3px); }
.result-box { width:min(460px,92vw); padding:32px; border-radius:var(--r-card); background:var(--card); box-shadow:var(--shadow-pop); text-align:center; }
.result-box h2 { margin:0 0 8px; color:var(--ink) !important; font-size:22px; font-weight:800; }
.result-box .btn-primary { display:inline-flex; align-items:center; justify-content:center; min-height:48px; border:0; border-radius:var(--r-ctl); color:#fff; background:var(--violet); font-size:14px; font-weight:700; }
.result-box .btn-primary:hover { background:var(--violet-deep); }

/* 반응형 */
@media (max-width:1100px) { .ms-stats { grid-template-columns:repeat(2,1fr); } .ms-stat:nth-child(3) { border-left:0; border-top:1px solid var(--line); } .ms-stat:nth-child(4) { border-top:1px solid var(--line); } }
@media (max-width:980px) {
  .main-content { width:100%; padding:76px clamp(14px,3vw,24px) 32px; }
  .sidebar { position:fixed; inset:0 auto 0 0; z-index:50; transform:translateX(-102%); transition:transform .22s ease; box-shadow:var(--shadow-pop); }
  .sidebar.active { transform:translateX(0); }
  .sidebar-close-btn { display:grid; place-items:center; width:32px; height:32px; font-size:20px; color:var(--muted); }
  .sidebar-overlay { position:fixed; z-index:40; inset:0; display:block; visibility:hidden; background:rgba(18,19,36,.35); opacity:0; transition:opacity .2s ease,visibility .2s ease; }
  .sidebar-overlay.active { visibility:visible; opacity:1; }
  .mobile-menu-btn { position:fixed; z-index:35; top:14px; left:14px; display:grid; place-items:center; width:42px; height:42px; border:1px solid var(--line); border-radius:12px; color:var(--violet); background:var(--card); box-shadow:var(--shadow-card); font-size:19px; }
}
@media (max-width:640px) {
  .ms-header { flex-direction:column; }
  .ms-smartpause { width:100%; }
  .ms-controls { flex-direction:column; align-items:stretch; }
  .ms-controls-left { flex-direction:column; }
  .ms-btn,.ms-btn-primary { width:100%; justify-content:center; }
  .ms-speed { width:100%; justify-content:space-between; }
}
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { transition:none !important; animation:none !important; } }