/* =========================================================
   日本旅行 PWA · style.css (v3 · Apple Design System)
   ========================================================= */

:root{
  /* 背景层 */
  --bg-primary:     #ffffff;
  --bg-secondary:   #fafafc;
  --bg-tertiary:    #f5f5f7;
  --bg-quaternary:  #e8e8ed;

  /* 文字层级 */
  --text-primary:   #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary:  #86868b;

  /* 强调色（Apple Blue） */
  --accent:         #0071e3;
  --accent-hover:   #0077ed;
  --link:           #0066cc;

  /* 状态色 */
  --success:        #03a10e;
  --error:          #e30000;
  --warning:        #f56300;

  /* 线条 */
  --line:           #d2d2d7;
  --line-light:     #e8e8ed;

  /* 圆角 */
  --r-sm:           8px;
  --r-md:           12px;
  --r-lg:           18px;
  --r-xl:           24px;

  /* 阴影（极克制） */
  --sh-1:           0 1px 3px rgba(0,0,0,.04);
  --sh-2:           0 4px 12px rgba(0,0,0,.06);
  --sh-3:           0 8px 24px rgba(0,0,0,.08);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
}

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display",
              "Helvetica Neue","PingFang SC","Hiragino Sans",sans-serif;
  background:var(--bg-secondary);
  color:var(--text-primary);
  line-height:1.47;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  letter-spacing:-0.374px;
  overscroll-behavior-y:none;
  padding-bottom:calc(32px + env(safe-area-inset-bottom,0px));
}

button{font-family:inherit}

/* =================== Header =================== */
.hd{
  background:var(--bg-primary);
  color:var(--text-primary);
  padding:calc(16px + env(safe-area-inset-top,0px)) 20px 18px;
  border-bottom:1px solid var(--line-light);
  position:relative;
}

.hd-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.hd-brand{display:flex;align-items:center;gap:11px;min-width:0}

.hd-logo{
  width:34px;height:34px;flex:0 0 auto;
  border-radius:10px;
  display:grid;place-items:center;
  font-size:16px;
  background:var(--bg-tertiary);
  border:1px solid var(--line-light);
}

.hd-txt{min-width:0}
.hd-title{
  font-size:15px;font-weight:600;
  letter-spacing:-0.01em;
  line-height:1.2;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.hd-sub{
  font-size:11px;
  color:var(--text-tertiary);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  max-width:60vw;
  margin-top:2px;
  letter-spacing:-0.01em;
}

/* 网络状态 */
.net-pill{
  display:inline-flex;align-items:center;gap:6px;
  flex:0 0 auto;
  font-size:10px;font-weight:500;
  padding:5px 11px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--bg-primary);
  color:var(--text-secondary);
  transition:.2s ease;
  letter-spacing:-0.01em;
}
.net-dot{
  width:5px;height:5px;border-radius:50%;
  background:var(--success);
}
.net-pill[data-state="offline"]{
  color:var(--error);
  border-color:rgba(227,0,0,.2);
  background:rgba(227,0,0,.04);
}
.net-pill[data-state="offline"] .net-dot{
  background:var(--error);
}

/* 航班卡片 */
.flights{display:flex;flex-direction:column;gap:8px;margin-top:16px}

.fc{
  display:grid;
  grid-template-columns:1fr auto;
  grid-template-areas:"head count" "route route";
  gap:5px 10px;
  padding:12px 14px;
  border-radius:var(--r-md);
  background:var(--bg-tertiary);
  border:1px solid var(--line-light);
}

.fc-head{grid-area:head;display:flex;align-items:center;gap:8px;min-width:0}

.fc-tag{
  flex:0 0 auto;
  font-size:9.5px;font-weight:600;
  letter-spacing:.04em;
  padding:2px 7px;
  border-radius:5px;
  background:var(--bg-quaternary);
  color:var(--text-secondary);
  text-transform:uppercase;
}
.fc.in .fc-tag{
  background:rgba(0,113,227,.1);
  color:var(--accent);
}

.fc-code{
  font-size:13px;font-weight:600;
  letter-spacing:-0.01em;
}
.fc-airline{
  font-size:10.5px;
  color:var(--text-tertiary);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.fc-count{
  grid-area:count;align-self:center;
  font-size:11px;font-weight:500;
  font-variant-numeric:tabular-nums;
  color:var(--text-secondary);
  background:var(--bg-primary);
  padding:4px 10px;
  border-radius:999px;
  white-space:nowrap;
  letter-spacing:-0.01em;
  border:1px solid var(--line-light);
}
.fc-count.departed{
  color:var(--text-tertiary);
}

.fc-route{
  grid-area:route;
  display:flex;align-items:center;gap:10px;
  font-size:11px;
  color:var(--text-secondary);
  min-width:0;
}
.fc-port{display:flex;align-items:baseline;gap:5px;white-space:nowrap}
.fc-port b{
  font-size:13px;font-weight:600;
  color:var(--text-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-0.01em;
}
.fc-line{
  flex:1;min-width:16px;height:1px;
  background:var(--line);
  position:relative;
}
.fc-line::after{
  content:"✈";
  position:absolute;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  font-size:9px;
  color:var(--text-tertiary);
  background:var(--bg-tertiary);
  padding:0 3px;
}

/* =================== Tabs =================== */
.tabs{
  position:sticky;top:0;z-index:600;
  display:flex;gap:6px;
  overflow-x:auto;
  padding:12px 16px;
  background:rgba(250,250,252,.82);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  backdrop-filter:blur(20px) saturate(180%);
  border-bottom:1px solid var(--line-light);
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.tabs::-webkit-scrollbar{display:none}

.tab{
  flex:0 0 auto;
  display:flex;flex-direction:column;align-items:center;gap:1px;
  padding:7px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--bg-primary);
  color:var(--text-secondary);
  font-size:12px;font-weight:500;
  white-space:nowrap;
  cursor:pointer;
  transition:all .2s cubic-bezier(.25,.1,.25,1);
  -webkit-tap-highlight-color:transparent;
  letter-spacing:-0.01em;
}
.tab .tab-date{
  font-size:9.5px;font-weight:400;
  color:var(--text-tertiary);
  margin-top:1px;
}
.tab:active{transform:scale(.96)}
.tab.active{
  background:var(--text-primary);
  color:#fff;
  border-color:var(--text-primary);
}
.tab.active .tab-date{color:rgba(255,255,255,.55)}

/* =================== Main / Card =================== */
.main{
  padding:16px 16px 0;
  display:flex;flex-direction:column;gap:16px;
}

.card{
  background:var(--bg-primary);
  border-radius:var(--r-lg);
  padding:20px;
  border:1px solid var(--line-light);
}

.day-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
  margin-bottom:14px;
}
.dh-l{min-width:0}
.day-title{
  margin:0;
  font-size:17px;font-weight:600;
  letter-spacing:-0.02em;
  line-height:1.25;
  color:var(--text-primary);
}
.day-sub{
  margin:4px 0 0;
  font-size:12px;
  color:var(--text-tertiary);
  line-height:1.5;
  letter-spacing:-0.01em;
}
.day-count{
  flex:0 0 auto;
  font-size:11px;font-weight:500;
  color:var(--text-tertiary);
  background:var(--bg-tertiary);
  padding:4px 10px;
  border-radius:999px;
  letter-spacing:-0.01em;
}

.sec-label{
  font-size:10.5px;font-weight:600;
  color:var(--text-tertiary);
  letter-spacing:.03em;
  text-transform:uppercase;
  margin:0 0 10px 2px;
}

.sec-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:16px;
}
.sec-head h3{
  margin:0;
  font-size:14px;font-weight:600;
  letter-spacing:-0.02em;
}
.sec-hint{font-size:11px;color:var(--text-tertiary);letter-spacing:-0.01em}

/* =================== Map =================== */
.map-wrap{position:relative;isolation:isolate;z-index:0}

#map{
  height:clamp(250px,42vh,400px);
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--bg-tertiary);
  border:1px solid var(--line-light);
}

.legend{
  display:flex;gap:5px;
  overflow-x:auto;
  padding:12px 2px 0;
  scrollbar-width:none;
}
.legend::-webkit-scrollbar{display:none}
.lg{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:5px;
  font-size:10.5px;
  font-weight:400;
  color:var(--text-tertiary);
  background:var(--bg-tertiary);
  padding:4px 10px;
  border-radius:999px;
  white-space:nowrap;
  letter-spacing:-0.01em;
}
.lg i{width:6px;height:6px;border-radius:50%;display:block}

/* =================== Pin =================== */
.pin{background:transparent;border:0}
.pin-body{
  width:28px;height:28px;
  border-radius:50% 50% 50% 4px;
  transform:rotate(-45deg);
  background:var(--pin);
  border:2px solid #fff;
  box-shadow:0 3px 8px rgba(0,0,0,.2);
  display:grid;place-items:center;
}
.pin-ico{
  transform:rotate(45deg);
  font-size:12px;line-height:1;
}

/* =================== Popup =================== */
.leaflet-popup-content-wrapper{
  border-radius:var(--r-md);
  padding:0;
  box-shadow:var(--sh-3);
  border:1px solid var(--line-light);
  overflow:hidden;
}
.leaflet-popup-content{
  margin:14px 16px;
  font-size:13px;
  line-height:1.5;
  min-width:200px;
}
.leaflet-popup-tip{
  box-shadow:none;
  border:1px solid var(--line-light);
}

.pop-badge{
  display:inline-block;
  font-size:10px;font-weight:600;
  color:var(--tc);
  background:color-mix(in srgb, var(--tc) 8%, #fff);
  padding:3px 8px;
  border-radius:6px;
  letter-spacing:.02em;
}
.pop-title{
  font-size:14px;font-weight:600;
  color:var(--text-primary);
  margin:9px 0 4px;
  line-height:1.35;
  letter-spacing:-0.02em;
}
.pop-time{
  font-size:11.5px;
  color:var(--text-tertiary);
  font-variant-numeric:tabular-nums;
}
.pop-desc{
  font-size:12px;
  color:var(--text-secondary);
  margin-top:6px;
  line-height:1.55;
}
.pop-code{
  margin-top:9px;
  font-size:11.5px;
  background:var(--bg-tertiary);
  border:1px dashed var(--line);
  border-radius:8px;
  padding:6px 9px;
  color:var(--text-secondary);
}
.pop-code b{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  letter-spacing:.05em;
  color:var(--text-primary);
}
.pop-nav{
  display:flex;align-items:center;justify-content:center;gap:6px;
  margin-top:10px;
  padding:9px 12px;
  border-radius:9px;
  background:var(--accent);
  color:#fff !important;
  font-size:12.5px;font-weight:500;
  text-decoration:none;
  transition:.15s ease;
}
.pop-nav:active{opacity:.8}

/* =================== Timeline =================== */
.timeline{position:relative}

.tl-item{
  display:grid;
  grid-template-columns:50px 22px minmax(0,1fr);
  padding-bottom:16px;
}
.tl-item:last-child{padding-bottom:0}

.tl-time{
  padding-top:13px;
  text-align:right;
  padding-right:8px;
  font-size:12px;font-weight:600;
  font-variant-numeric:tabular-nums;
  color:var(--text-primary);
  line-height:1.2;
  letter-spacing:-0.01em;
}
.tl-time .end{
  display:block;
  font-size:10px;font-weight:400;
  color:var(--text-tertiary);
  margin-top:2px;
}

.tl-rail{
  position:relative;
  display:flex;justify-content:center;
}
.tl-rail::before{
  content:"";
  position:absolute;
  top:0;bottom:-16px;
  width:1px;
  background:var(--line-light);
}
.tl-item:last-child .tl-rail::before{bottom:auto;height:28px}

.tl-dot{
  position:relative;z-index:1;
  margin-top:15px;
  width:8px;height:8px;border-radius:50%;
  background:var(--tc,#dc2626);
  box-shadow:0 0 0 3px #fff, 0 0 0 4px color-mix(in srgb, var(--tc) 18%, transparent);
}

.tl-card{
  min-width:0;
  margin-left:4px;
  background:var(--bg-secondary);
  border:1px solid var(--line-light);
  border-radius:var(--r-md);
  padding:12px 14px;
  cursor:pointer;
  transition:all .2s ease;
  -webkit-tap-highlight-color:transparent;
}
.tl-card:active{
  transform:scale(.985);
  background:var(--bg-tertiary);
}

.tl-top{
  display:flex;align-items:center;gap:6px;
  flex-wrap:wrap;
  margin-bottom:6px;
}
.tl-badge{
  display:inline-flex;align-items:center;gap:4px;
  font-size:10px;font-weight:600;
  padding:2px 8px;
  border-radius:6px;
  color:var(--tc);
  background:color-mix(in srgb, var(--tc) 8%, #fff);
  letter-spacing:.01em;
}
.tl-flag{
  font-size:9.5px;font-weight:600;
  color:var(--accent);
  background:rgba(0,113,227,.08);
  padding:2px 7px;
  border-radius:6px;
  letter-spacing:.02em;
}

.tl-title{
  margin:0;
  font-size:13.5px;font-weight:600;
  line-height:1.4;
  color:var(--text-primary);
  word-break:break-word;
  letter-spacing:-0.02em;
}
.tl-desc{
  margin:5px 0 0;
  font-size:12px;
  color:var(--text-tertiary);
  line-height:1.6;
  word-break:break-word;
  letter-spacing:-0.01em;
}

.tl-code{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:10px;
  background:var(--text-primary);
  color:#fff;
  font-size:11.5px;
  padding:6px 6px 6px 11px;
  border-radius:8px;
  max-width:100%;
}
.tl-code span{
  opacity:.5;
  font-size:9.5px;
  font-weight:500;
  letter-spacing:.05em;
  text-transform:uppercase;
}
.tl-code b{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  letter-spacing:.06em;
  font-size:11.5px;
}
.tl-copy{
  border:0;
  background:rgba(255,255,255,.12);
  color:#fff;
  font-size:10px;font-weight:500;
  padding:3px 9px;
  border-radius:5px;
  cursor:pointer;
  transition:.15s ease;
}
.tl-copy:active{background:rgba(255,255,255,.2)}

.tl-actions{
  display:flex;gap:8px;flex-wrap:wrap;
  margin-top:12px;
}
.btn{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:500;
  padding:7px 13px;
  border-radius:8px;
  border:1px solid var(--line);
  background:var(--bg-primary);
  color:var(--text-primary);
  text-decoration:none;
  cursor:pointer;
  -webkit-tap-highlight-color:transparent;
  transition:.15s ease;
  letter-spacing:-0.01em;
}
.btn:active{transform:scale(.96);background:var(--bg-tertiary)}
.btn-primary{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.btn-primary:active{background:var(--accent-hover)}

.empty{
  text-align:center;
  color:var(--text-tertiary);
  font-size:12.5px;
  padding:30px 0;
  line-height:1.7;
  letter-spacing:-0.01em;
}

/* =================== Toast =================== */
.toast{
  position:fixed;
  left:50%;
  bottom:calc(24px + env(safe-area-inset-bottom,0px));
  transform:translate(-50%, 20px);
  z-index:3000;
  max-width:86vw;
  padding:11px 18px;
  border-radius:var(--r-md);
  background:rgba(29,29,31,.92);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  color:#fff;
  font-size:12.5px;
  font-weight:500;
  letter-spacing:-0.01em;
  opacity:0;
  pointer-events:none;
  transition:.3s cubic-bezier(.25,.1,.25,1);
  box-shadow:var(--sh-3);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* =================== 小屏 =================== */
@media (max-width:360px){
  .tl-item{grid-template-columns:44px 20px minmax(0,1fr)}
  .hd-sub{max-width:52vw}
  .day-title{font-size:16px}
  .card{padding:16px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}