:root {
  /* 現代日系配色 — 深靛藍 × 珊瑚紅 × 冰白 */
  --ink: #0f1923;
  --ink2: #3a4a5c;
  --ink3: #7a8fa8;
  --paper: #f0f4f8;
  --paper2: #e4ecf4;
  --paper3: #c8d8e8;
  --accent: #d4502a;
  --accent2: #e8703a;
  --green: #0d9488;
  --blue: #1a3a5c;
  --header-bg: #0f1923;
  --radius: 18px;
  --shadow: 0 2px 20px rgba(15,25,35,0.08);
  --shadow-md: 0 4px 32px rgba(15,25,35,0.13);
  --glass: rgba(255,255,255,0.72);
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; background: var(--paper); font-family: 'Noto Sans TC', sans-serif; color: var(--ink); overflow: hidden; }

/* APP SHELL */
#app { display: flex; flex-direction: column; height: 100dvh; max-width: 430px; margin: 0 auto; background: var(--paper); position: relative; overflow: hidden; }

/* HEADER */
.app-header { 
  background: linear-gradient(160deg, rgba(10,20,35,0.65) 0%, rgba(10,20,35,0.82) 100%), url('https://res.cloudinary.com/dyzbvpgwq/image/upload/v1774596510/japan-trip/qvq0ng7iivnezi7f2ubn.jpg') center 30%/cover no-repeat;
  color: white; 
  padding: 52px 20px 18px; 
  flex-shrink: 0;
  position: relative;
}
.header-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.trip-title { font-family: 'Outfit', sans-serif; font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.trip-sub { font-size: 11px; color: rgba(255,255,255,0.55); letter-spacing: 0.06em; margin-top: 3px; }
.header-right { text-align: right; }
.weather-mini { font-size: 22px; line-height: 1; }
.weather-temp { font-size: 11px; color: rgba(255,255,255,0.55); margin-top: 2px; }
.rate-badge { 
  background: var(--accent); color: white; font-size: 10px; padding: 4px 10px; 
  border-radius: 99px; font-weight: 600; margin-top: 6px; display: inline-block; cursor: pointer;
  letter-spacing: 0.02em;
}

/* DATE TABS */
.date-tabs-wrap { 
  background: linear-gradient(to bottom, rgba(10,20,35,0.85) 0%, rgba(10,20,35,0.97) 100%), url('https://res.cloudinary.com/dyzbvpgwq/image/upload/v1774596510/japan-trip/qvq0ng7iivnezi7f2ubn.jpg') center 60%/cover no-repeat;
  padding: 0 20px 14px; flex-shrink: 0;
}
.date-tabs { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
.date-tabs::-webkit-scrollbar { display: none; }
.day-tab { 
  flex-shrink: 0; padding: 6px 14px; border-radius: 99px; 
  font-size: 11px; font-weight: 500; cursor: pointer;
  border: 1px solid rgba(255,255,255,0.18); color: rgba(255,255,255,0.5);
  transition: all 0.2s; white-space: nowrap;
  background: transparent;
}
.day-tab.active { background: var(--accent); border-color: var(--accent); color: white; font-weight: 600; }

/* MAIN SCROLL AREA */
.main-scroll { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 16px 20px 100px; scroll-behavior: smooth; -webkit-overflow-scrolling: touch; }

/* WEATHER CARD */
.weather-card {
  background: linear-gradient(135deg, #0d9488 0%, #0a6b62 100%);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 14px;
  color: white; display: flex; align-items: center; gap: 12px;
  box-shadow: 0 4px 20px rgba(13,148,136,0.3);
}
.weather-icon { font-size: 36px; }
.weather-info { flex: 1; }
.weather-city { font-size: 12px; opacity: 0.8; }
.weather-desc { font-size: 15px; font-weight: 600; margin: 2px 0; }
.weather-detail { font-size: 11px; opacity: 0.75; }
.weather-temp-big { font-size: 28px; font-weight: 300; font-family: 'Outfit', sans-serif; }

/* TIMELINE */
.timeline { position: relative; }
.timeline::before { content: ''; position: absolute; left: 28px; top: 0; bottom: 0; width: 0; background: var(--paper3); }

.tl-item { position: relative; padding-left: 56px; margin-bottom: 10px; }
.tl-item::before { content: ''; position: absolute; left: 28px; top: 0; bottom: -10px; width: 1.5px; background: var(--paper3); }
.tl-item:last-child::before { display: none; }
.tl-dot { 
  position: absolute; left: 20px; top: 16px;
  width: 18px; height: 18px; border-radius: 50%; 
  background: var(--paper); border: 2px solid var(--paper3);
  display: flex; align-items: center; justify-content: center;
  font-size: 8px; z-index: 1;
}
.tl-dot.accent { border-color: var(--accent); background: var(--accent); }
.tl-dot.transport { border-color: var(--blue); background: var(--blue); }
.tl-dot.hotel { border-color: var(--green); background: var(--green); }

.tl-card {
  background: white; border-radius: var(--radius); padding: 12px 14px;
  box-shadow: var(--shadow); cursor: pointer; transition: transform 0.15s, box-shadow 0.15s;
  border: 1px solid rgba(200,216,232,0.6);
}
.tl-card:active { transform: scale(0.98); box-shadow: 0 1px 8px rgba(15,25,35,0.06); }
.tl-time { font-size: 11px; color: var(--ink3); margin-bottom: 4px; font-weight: 500; letter-spacing: 0.03em; }
.tl-name { font-size: 15px; font-weight: 600; color: var(--ink); }
.tl-desc { font-size: 12px; color: var(--ink3); margin-top: 3px; line-height: 1.5; }
.tl-tags { display: flex; gap: 5px; margin-top: 8px; flex-wrap: wrap; }
.tag { font-size: 10px; padding: 3px 9px; border-radius: 99px; font-weight: 600; letter-spacing: 0.02em; }
.tag-map { background: #e0f2f1; color: #0d7a72; }
.tag-food { background: #fde8e0; color: #b5420a; }
.tag-culture { background: #e8f4fd; color: #1a5c9a; }
.tag-shop { background: #fef3e2; color: #9a6200; }
.tag-hotel { background: #f0e8fd; color: #6a2c9a; }

/* TRANSPORT CARD */
.transport-card {
  background: #e8f4fd; border-radius: 12px; padding: 10px 14px;
  border-left: 3px solid #1a5c9a; margin-bottom: 10px;
}
.transport-route { font-size: 13px; font-weight: 600; color: #1a5c9a; }
.transport-detail { font-size: 11px; color: var(--ink3); margin-top: 3px; }
.transport-info { display: flex; gap: 12px; margin-top: 6px; }
.transport-stat { font-size: 11px; color: var(--ink2); }
.transport-stat span { font-weight: 700; color: var(--ink); }

/* EXPENSE SUMMARY */
.expense-day-total {
  background: var(--paper2); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 14px;
}
.expense-title { font-size: 11px; color: var(--ink3); margin-bottom: 8px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.expense-amount { font-size: 22px; font-weight: 700; color: var(--ink); font-family: 'Outfit', sans-serif; }
.expense-twd { font-size: 12px; color: var(--ink3); margin-top: 2px; }
.expense-list { margin-top: 10px; border-top: 1px solid var(--paper3); padding-top: 10px; }
.expense-row { display: flex; justify-content: space-between; align-items: center; padding: 5px 0; font-size: 13px; }
.expense-row-name { color: var(--ink2); }
.expense-row-amt { font-weight: 600; color: var(--ink); }

/* BOTTOM NAV */
.bottom-nav {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.92); border-top: 1px solid var(--paper2);
  display: flex; padding: 8px 0 24px;
  box-shadow: 0 -8px 32px rgba(15,25,35,0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nav-item { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; cursor: pointer; padding: 4px 0; }
.nav-icon { font-size: 20px; line-height: 1; }
.nav-label { font-size: 10px; color: var(--ink3); font-weight: 500; }
.nav-item.active .nav-label { color: var(--accent); font-weight: 700; }
.nav-kuma {
  width: 32px; height: 32px; transition: transform 0.15s;
}
.nav-item.active .nav-kuma { transform: scale(1.15); }
.nav-item:active .nav-kuma { transform: scale(0.92); }

/* MODAL OVERLAY */
.modal-overlay {
  position: absolute; inset: 0; background: rgba(10,18,30,0.55);
  z-index: 100; display: flex; flex-direction: column; justify-content: flex-end;
  opacity: 0; pointer-events: none; transition: opacity 0.25s;
  backdrop-filter: blur(2px);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-sheet {
  background: white; border-radius: 28px 28px 0 0;
  max-height: min(85vh, calc(100dvh - 18px)); overflow-y: auto; padding: 20px 20px calc(20px + env(safe-area-inset-bottom));
  overscroll-behavior: contain; -webkit-overflow-scrolling: touch;
  transform: translateY(40px); transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
.modal-overlay.open .modal-sheet { transform: translateY(0); }
.modal-handle { width: 40px; height: 4px; background: var(--paper3); border-radius: 2px; margin: 0 auto 18px; }
.modal-header-row { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 4px; }
.modal-title { font-size: 18px; font-weight: 700; flex: 1; color: var(--ink); }
.edit-toggle-btn {
  flex-shrink: 0; background: var(--paper2); border: 1px solid var(--paper3);
  border-radius: 8px; padding: 5px 10px; font-size: 12px; font-weight: 600;
  color: var(--ink2); cursor: pointer; font-family: inherit; margin-left: 10px;
  transition: all 0.15s;
}
.edit-toggle-btn.active { background: var(--accent); color: white; border-color: var(--accent); }
.modal-sub { font-size: 13px; color: var(--ink3); margin-bottom: 16px; }
/* Edit form inside modal */
.edit-form-section { background: var(--paper); border-radius: 14px; padding: 14px; margin-bottom: 16px; }
.edit-row { margin-bottom: 10px; }
.edit-row:last-child { margin-bottom: 0; }
.edit-label { font-size: 11px; color: var(--ink3); font-weight: 600; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.edit-input { width: 100%; padding: 10px 12px; border: 1.5px solid var(--paper3); border-radius: 10px; font-size: 14px; font-family: inherit; background: white; color: var(--ink); outline: none; transition: border-color 0.2s; }
.edit-input:focus { border-color: var(--accent); }
.edit-textarea { resize: none; height: 70px; line-height: 1.5; }
.save-btn { background: var(--accent); color: white; border: none; border-radius: 12px; padding: 13px; font-size: 14px; font-weight: 700; font-family: inherit; cursor: pointer; width: 100%; transition: opacity 0.15s; letter-spacing: 0.02em; }
.save-btn:active { opacity: 0.85; }
.modal-section { margin-bottom: 16px; }
.modal-section-title { font-size: 11px; color: var(--ink3); font-weight: 700; letter-spacing: 0.07em; margin-bottom: 8px; text-transform: uppercase; }
.map-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--blue); color: white; border: none;
  padding: 12px 16px; border-radius: 12px; width: 100%; cursor: pointer;
  font-size: 14px; font-weight: 500; font-family: inherit;
  margin-bottom: 10px; transition: opacity 0.15s;
}
.map-btn:active { opacity: 0.85; }

/* PHOTO / RECEIPT */
.photo-area {
  border: 2px dashed var(--paper3); border-radius: 14px;
  padding: 24px; text-align: center; cursor: pointer;
  transition: border-color 0.2s; background: var(--paper);
}
.photo-area:hover { border-color: var(--accent); }
.photo-icon { font-size: 32px; margin-bottom: 8px; }
.photo-label { font-size: 13px; color: var(--ink3); }
#receipt-input { display: none; }

.receipt-result {
  background: white; border-radius: 14px; padding: 14px;
  border: 1px solid var(--paper2); margin-top: 10px;
}
.receipt-item-row { display: flex; justify-content: space-between; padding: 5px 0; font-size: 13px; border-bottom: 1px solid var(--paper2); }
.receipt-item-row:last-child { border-bottom: none; }
.receipt-total { display: flex; justify-content: space-between; padding-top: 8px; font-size: 15px; font-weight: 700; }

/* TOOLS PAGE */
.tools-page { padding: 0; }
.tool-section { margin-bottom: 20px; }
.tool-section-title { font-size: 11px; font-weight: 700; color: var(--ink3); letter-spacing: 0.07em; text-transform: uppercase; margin-bottom: 10px; }
.rate-card { background: white; border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); border: 1px solid rgba(200,216,232,0.5); }
.rate-input-row { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.rate-input-row > div { flex: 1; min-width: 0; }
.rate-input { 
  width: 100%; padding: 10px 12px; border: 1.5px solid var(--paper2); border-radius: 10px;
  font-size: 18px; font-family: 'Outfit', sans-serif; font-weight: 600; background: var(--paper);
  outline: none; color: var(--ink); box-sizing: border-box;
}
.rate-label { font-size: 12px; color: var(--ink3); font-weight: 600; letter-spacing: 0.03em; }
.rate-result { font-size: 22px; font-weight: 700; color: var(--accent); font-family: 'Outfit', sans-serif; }
.rate-updated { font-size: 11px; color: var(--ink3); margin-top: 4px; }

.phrase-category { margin-bottom: 14px; }
.phrase-cat-title { font-size: 12px; font-weight: 700; color: var(--ink2); margin-bottom: 6px; padding: 0 2px; }
.phrase-item { 
  background: white; border-radius: 12px; padding: 10px 14px; margin-bottom: 6px;
  border: 1px solid rgba(200,216,232,0.5); cursor: pointer; transition: background 0.15s;
}
.phrase-item:active { background: var(--paper2); }
.phrase-jp { font-size: 15px; font-weight: 500; color: var(--ink); }
.phrase-tw { font-size: 12px; color: var(--ink3); margin-top: 2px; }
.phrase-romaji { font-size: 11px; color: var(--green); margin-top: 1px; }

/* EXPENSE PAGE */
.expense-page { padding: 0; }
.total-card { 
  background: linear-gradient(135deg, #0f1923 0%, #1a3a5c 100%); color: white; border-radius: var(--radius); 
  padding: 20px; margin-bottom: 16px; 
  box-shadow: 0 6px 24px rgba(15,25,35,0.2);
}
.total-label { font-size: 11px; opacity: 0.55; margin-bottom: 6px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.total-amount { font-size: 32px; font-weight: 700; font-family: 'Outfit', sans-serif; }
.total-twd { font-size: 14px; opacity: 0.65; margin-top: 4px; }
.quick-expense-card {
  background: white; border-radius: var(--radius); padding: 14px 16px;
  margin-bottom: 14px; box-shadow: var(--shadow); border: 1px solid rgba(200,216,232,0.65);
}
.quick-expense-head { display:flex; justify-content:space-between; align-items:center; gap:10px; margin-bottom:10px; }
.quick-expense-title { font-size:14px; font-weight:700; color:var(--ink); }
.quick-expense-sub { font-size:10px; color:var(--ink3); white-space:nowrap; }
.quick-expense-grid { display:grid; grid-template-columns:1.2fr 0.8fr; gap:8px; }
.quick-expense-wide { grid-column:1 / -1; }
.quick-expense-input, .quick-expense-select {
  width:100%; min-width:0; min-height:44px; padding:10px 11px; border:1.5px solid var(--paper3);
  border-radius:10px; background:var(--paper); color:var(--ink); font-family:inherit;
  font-size:14px; outline:none; box-sizing:border-box;
}
.quick-expense-input:focus, .quick-expense-select:focus { border-color:var(--accent); background:white; }
.quick-expense-amount { font-size:20px; font-weight:700; font-family:'Outfit', sans-serif; }
.quick-expense-add {
  width:100%; min-height:44px; padding:11px 12px; border:none; border-radius:10px; background:var(--accent);
  color:white; font-size:14px; font-weight:700; font-family:inherit; cursor:pointer;
}
.quick-expense-add:active { opacity:0.85; transform:scale(0.99); }
.quick-expense-hint { font-size:10px; color:var(--ink3); margin-top:7px; line-height:1.45; }
.day-expense-card { background: white; border-radius: var(--radius); padding: 14px 16px; margin-bottom: 10px; box-shadow: var(--shadow); border: 1px solid rgba(200,216,232,0.5); }
.day-exp-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.day-exp-title { font-size: 14px; font-weight: 600; }
.day-exp-total { font-size: 16px; font-weight: 700; color: var(--green); font-family: 'Outfit', sans-serif; }
.shop-row { display: flex; justify-content: space-between; align-items: center; padding: 5px 0; font-size: 12px; border-top: 1px solid var(--paper2); }
.shop-name { color: var(--ink2); flex: 1; }
.shop-amt { font-weight: 600; }
/* Editable shop amount */
.shop-amt-input {
  width: 72px; padding: 2px 6px; border: 1.5px solid var(--paper3); border-radius: 6px;
  font-size: 12px; font-weight: 500; font-family: inherit; text-align: right;
  background: var(--paper); color: var(--ink); outline: none;
}
.shop-amt-input:focus { border-color: var(--accent); background: white; }
.ai-badge {
  font-size: 9px; background: #e0f2f1; color: #0a6b62; border-radius: 99px;
  padding: 2px 7px; font-weight: 700; margin-left: 6px; vertical-align: middle;
}
.ai-estimating {
  font-size: 11px; color: var(--ink3); text-align: center; padding: 10px;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}

/* ── EXPENSE PAGE v2 ── */
.exp2-day-card {
  background: white; border-radius: 18px;
  border: 1px solid rgba(200,216,232,0.5); margin-bottom: 10px; overflow: hidden;
  box-shadow: var(--shadow);
}
.exp2-day-header {
  padding: 12px 14px 10px; border-bottom: 1px solid var(--paper2);
  display: flex; justify-content: space-between; align-items: flex-start;
}
.exp2-day-meta { font-size: 11px; color: var(--ink3); margin-bottom: 2px; font-weight: 500; }
.exp2-day-city { font-size: 14px; font-weight: 600; color: var(--ink); }
.exp2-day-jpy  { font-size: 20px; font-weight: 700; color: var(--ink); text-align: right; line-height: 1.2; }
.exp2-day-ntd  { font-size: 11px; color: var(--ink3); text-align: right; }
.exp2-ai-badge { font-size: 9px; background: #e8f0eb; color: #3a6b3a; border-radius: 99px; padding: 2px 6px; font-weight: 600; margin-left: 4px; vertical-align: middle; }

.exp2-item-list { padding: 0 14px; }
.exp2-item-row {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 0; border-bottom: 1px solid var(--paper2);
}
.exp2-item-row.saved {
  background: rgba(92,138,90,0.12);
  box-shadow: 0 0 0 8px rgba(92,138,90,0.12);
  border-radius: 8px;
  transition: background 0.25s, box-shadow 0.25s;
}
.exp2-item-row:last-child { border-bottom: none; }
.exp2-item-icon { font-size: 14px; width: 20px; text-align: center; flex-shrink: 0; }
.exp2-item-name {
  flex: 1; font-size: 13px; color: var(--ink2);
  border: none; background: transparent; font-family: inherit;
  outline: none; padding: 0; min-width: 0;
}
.exp2-pay-badge { font-size: 10px; padding: 2px 7px; border-radius: 99px; font-weight: 500; flex-shrink: 0; white-space: nowrap; }
.exp2-pay-cash  { background: #e8f5e9; color: #2e7d32; }
.exp2-pay-card  { background: #e3f2fd; color: #1565c0; }
.exp2-pay-paypay{ background: #ffeaea; color: #c62828; }
.exp2-item-amt  { font-size: 13px; font-weight: 600; color: var(--ink); text-align: right; min-width: 52px; flex-shrink: 0; }
.exp2-item-del  { font-size: 15px; color: var(--ink3); cursor: pointer; width: 34px; height: 34px; flex-shrink: 0; line-height: 1; background: var(--paper); border: 1px solid var(--paper2); border-radius: 50%; display: flex; align-items: center; justify-content: center; }

.exp2-add-btn {
  margin: 8px 14px; min-height: 44px; padding: 9px;
  background: var(--accent); color: white; border: none;
  border-radius: 10px; font-size: 13px; font-weight: 600;
  width: calc(100% - 28px); cursor: pointer; font-family: inherit;
  transition: opacity 0.15s;
}
.exp2-add-btn:active { opacity: 0.82; }

.exp2-add-form {
  display: none; margin: 0 14px 10px;
  background: var(--paper2); border-radius: 12px; padding: 12px;
}
.exp2-add-form.open { display: block; }
.exp2-add-row { display: flex; gap: 6px; align-items: center; margin-bottom: 8px; }
.exp2-add-row:last-child { margin-bottom: 0; }
.exp2-finput {
  flex: 1; min-width: 0; min-height: 40px; padding: 7px 9px;
  border: 1px solid var(--paper3); border-radius: 9px;
  font-size: 13px; font-family: inherit; background: white;
  color: var(--ink); outline: none;
}
.exp2-fselect {
  min-height: 40px; padding: 7px 5px; border: 1px solid var(--paper3); border-radius: 9px;
  font-size: 13px; background: white; color: var(--ink); outline: none; cursor: pointer;
}
.exp2-confirm-btn {
  width: 100%; min-height: 40px; padding: 9px; background: var(--accent); color: white;
  border: none; border-radius: 9px; font-size: 13px; font-weight: 600;
  cursor: pointer; font-family: inherit; margin-top: 4px;
}

.exp2-hotel-block {
  margin: 0 14px 12px; padding: 10px 12px;
  background: #fff8f0; border-radius: 10px;
  border: 1px solid #f0d0a0;
}
.exp2-hotel-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.exp2-hotel-label { font-size: 11px; font-weight: 600; color: #b05a00; }
.exp2-hotel-sub   { font-size: 10px; font-weight: 400; color: #c07030; }
.exp2-hotel-amt   { font-size: 14px; font-weight: 700; color: #b05a00; }
.exp2-hotel-row   { display: flex; align-items: center; gap: 6px; }
.exp2-hotel-prefix{ font-size: 11px; color: #b05a00; font-weight: 600; flex-shrink: 0; }
.exp2-hotel-input {
  flex: 1; min-width: 0; min-height: 40px; padding: 6px 8px;
  border: 1px solid #f0d0a0; border-radius: 8px;
  font-size: 13px; font-family: inherit; background: white; color: var(--ink); outline: none;
}

/* SHARE PAGE */
.share-page { padding: 0; }
.share-card { background: white; border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); border: 1px solid rgba(200,216,232,0.5); margin-bottom: 12px; }
.share-link { 
  background: var(--paper); border-radius: 10px; padding: 10px 12px;
  font-size: 12px; color: var(--green); word-break: break-all;
  border: 1px solid var(--paper2); margin-bottom: 10px;
}
.share-btn { 
  display: flex; align-items: center; gap: 8px;
  background: var(--ink); color: white; border: none;
  padding: 12px 16px; border-radius: 12px; width: 100%;
  font-size: 14px; font-weight: 500; cursor: pointer; font-family: inherit;
  margin-bottom: 8px; transition: opacity 0.15s;
}
.share-btn:active { opacity: 0.85; }
.share-btn.secondary { background: var(--paper2); color: var(--ink); }
#member-list { display: flex; flex-direction: column; gap: 10px; }
.member-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px; border: 1px solid var(--paper2); border-radius: 14px;
  background: rgba(255,255,255,0.72); box-shadow: 0 4px 12px rgba(60,45,30,0.06);
}
.member-avatar {
  width: 54px; height: 54px; border-radius: 50%; overflow: hidden;
  color: white; display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; flex-shrink: 0; position: relative;
  border: 2px solid rgba(255,255,255,0.9); box-shadow: 0 4px 10px rgba(40,28,18,0.14);
}
.member-avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.member-avatar-fallback { position: relative; z-index: 0; }
.member-info { flex: 1; min-width: 0; }
.member-name { font-size: 15px; font-weight: 700; color: var(--ink); line-height: 1.25; }
.member-role { font-size: 11px; color: var(--ink3); margin-top: 2px; }
.member-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.member-avatar-btn {
  background: var(--paper); border: 1px solid var(--paper2); color: var(--ink2);
  min-height: 32px; padding: 0 10px; border-radius: 999px; font-size: 12px;
  font-weight: 600; cursor: pointer; font-family: inherit;
}
.member-avatar-btn:active { transform: scale(0.96); }
.member-remove {
  background: var(--paper); border: 1px solid var(--paper2); color: var(--ink3);
  width: 32px; height: 32px; border-radius: 50%; font-size: 17px;
  cursor: pointer; padding: 0; display: flex; align-items: center; justify-content: center;
}
.member-remove:active { transform: scale(0.96); }

/* ADJUST MODAL */
.adjust-form { display: flex; flex-direction: column; gap: 10px; }
.form-label { font-size: 12px; color: var(--ink3); font-weight: 600; margin-bottom: 4px; letter-spacing: 0.02em; }
.form-input { 
  width: 100%; padding: 10px 12px; border: 1.5px solid var(--paper2); border-radius: 10px;
  font-size: 14px; font-family: inherit; background: var(--paper); outline: none;
  color: var(--ink); transition: border-color 0.2s;
}
.form-input:focus { border-color: var(--accent); }
.form-textarea { resize: none; height: 80px; }
.submit-btn { 
  background: var(--accent); color: white; border: none; border-radius: 12px;
  padding: 13px; font-size: 15px; font-weight: 600; font-family: inherit;
  cursor: pointer; transition: opacity 0.15s; margin-top: 4px;
}
.submit-btn:active { opacity: 0.85; }

/* TOAST */
.toast {
  position: absolute; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: white; padding: 10px 18px; border-radius: 99px;
  font-size: 13px; white-space: nowrap; z-index: 200;
  opacity: 0; transition: all 0.3s; pointer-events: none;
  box-shadow: 0 4px 16px rgba(15,25,35,0.25);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* PDF EXPORT BTN */
.export-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--blue); color: white; border: none;
  padding: 13px 16px; border-radius: 12px; width: 100%;
  font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit;
  margin-top: 12px; transition: opacity 0.15s; justify-content: center;
}
.export-btn:active { opacity: 0.85; }

/* SECTION LABEL */
.section-label { font-size: 11px; font-weight: 700; color: var(--ink3); letter-spacing: 0.08em; text-transform: uppercase; margin: 14px 0 8px; }

/* Loading spinner */
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.3); border-top-color: white; border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* TRIP LIST SCREEN */
#trip-list-screen {
  position: fixed; inset: 0; background: var(--paper);
  z-index: 500; display: flex; flex-direction: column;
  max-width: 430px; margin: 0 auto;
  overflow-y: auto;
}
.trip-list-header {
  background: linear-gradient(160deg, rgba(10,18,30,0.5) 0%, rgba(10,18,30,0.78) 100%), url('https://res.cloudinary.com/dyzbvpgwq/image/upload/v1774596511/japan-trip/kqbwookoods3kbaf6bb3.jpg') center 40%/cover no-repeat;
  padding: 56px 20px 24px;
  color: white;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
}
.trip-list-title { font-family: 'Outfit', sans-serif; font-size: 28px; font-weight: 600; letter-spacing: -0.02em; }
.trip-list-sub { font-size: 12px; opacity: 0.55; margin-top: 4px; letter-spacing: 0.04em; }
.trip-list-body { padding: 20px; flex: 1; }
.trip-card {
  background: white; border-radius: var(--radius);
  box-shadow: var(--shadow); border: 1px solid rgba(200,216,232,0.4);
  margin-bottom: 14px; overflow: hidden; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.trip-card:active { transform: scale(0.98); box-shadow: var(--shadow-md); }
.trip-card-cover {
  height: 120px; background: var(--ink);
  background-size: cover; background-position: center;
  position: relative;
}
.trip-card-cover-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.05), rgba(0,0,0,0.5));
}
.trip-card-cover-title {
  position: absolute; bottom: 10px; left: 14px;
  color: white; font-size: 17px; font-weight: 700;
  font-family: 'Outfit', sans-serif; letter-spacing: -0.01em;
}
.trip-card-body { padding: 12px 14px; }
.trip-card-meta { font-size: 12px; color: var(--ink3); display: flex; gap: 8px; flex-wrap: wrap; }
.trip-card-meta span { white-space: nowrap; }
.trip-card-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.trip-card-btn {
  padding: 7px 16px; border-radius: 8px; font-size: 12px;
  font-weight: 600; cursor: pointer; font-family: inherit; border: none;
}
.add-trip-btn {
  width: 100%; padding: 14px; border-radius: var(--radius);
  border: 2px dashed var(--paper3); background: transparent;
  font-size: 14px; font-weight: 600; cursor: pointer;
  font-family: inherit; color: var(--ink3);
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: all 0.2s;
}
.add-trip-btn:hover { border-color: var(--accent); color: var(--accent); }

/* EDIT TRIP MODAL */
#edit-trip-modal {
  position: fixed; inset: 0; background: rgba(10,18,30,0.55);
  z-index: 700; display: flex; flex-direction: column;
  justify-content: flex-end; opacity: 0; pointer-events: none;
  transition: opacity 0.25s; backdrop-filter: blur(2px);
}
#edit-trip-modal.open { opacity: 1; pointer-events: all; }
#edit-trip-sheet {
  background: white; border-radius: 28px 28px 0 0;
  max-height: 88vh; overflow-y: auto; padding: 20px;
  transform: translateY(40px);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
#edit-trip-modal.open #edit-trip-sheet { transform: translateY(0); }

/* NEW TRIP MODAL */
#new-trip-modal {
  position: fixed; inset: 0; background: rgba(10,18,30,0.55);
  z-index: 600; display: flex; flex-direction: column;
  justify-content: flex-end; opacity: 0; pointer-events: none;
  transition: opacity 0.25s; backdrop-filter: blur(2px);
}
#new-trip-modal.open { opacity: 1; pointer-events: all; }
#new-trip-sheet {
  background: white; border-radius: 28px 28px 0 0;
  max-height: 88vh; overflow-y: auto; padding: 20px;
  transform: translateY(40px);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
#new-trip-modal.open #new-trip-sheet { transform: translateY(0); }

.hidden { display: none !important; }

/* BG CHANGE MODAL */
#bg-change-modal {
  position: fixed; inset: 0; background: rgba(10,18,30,0.6);
  z-index: 800; display: flex; flex-direction: column;
  justify-content: flex-end; opacity: 0; pointer-events: none;
  transition: opacity 0.25s; backdrop-filter: blur(4px);
}
#bg-change-modal.open { opacity: 1; pointer-events: all; }
#bg-change-sheet {
  background: white; border-radius: 28px 28px 0 0;
  padding: 20px 20px 40px; max-height: 80vh; overflow-y: auto;
  transform: translateY(40px);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
#bg-change-modal.open #bg-change-sheet { transform: translateY(0); }
.bg-preview-box {
  width: 100%; height: 100px; border-radius: 14px;
  background-size: cover; background-position: center;
  margin-bottom: 10px; border: 1.5px solid var(--paper3);
  position: relative; overflow: hidden;
}
.bg-preview-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(10,18,30,0.3), rgba(10,18,30,0.6));
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 13px; font-weight: 600;
}
.bg-upload-btn {
  width: 100%; padding: 13px; border-radius: 12px;
  border: 1.5px dashed var(--paper3); background: var(--paper);
  font-size: 13px; font-weight: 600; cursor: pointer;
  font-family: inherit; color: var(--ink2);
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: all 0.2s; margin-bottom: 10px;
}
.bg-upload-btn:active { opacity: 0.8; }
.bg-section-title {
  font-size: 11px; font-weight: 700; color: var(--ink3);
  letter-spacing: 0.07em; text-transform: uppercase; margin-bottom: 10px;
}
.bg-upload-status {
  font-size: 12px; color: var(--accent); text-align: center;
  padding: 8px; display: none;
}