/* wtn Customer — สไตล์หลัก (mobile-first, ธีมสว่าง, ใช้ฟอนต์ไทยในเครื่อง) */
:root {
  --ground: #F2F4F7; --surface: #FFFFFF; --line: #D6DCE4;
  --ink: #17202B; --ink-2: #364354; --muted: #5B6878;
  --accent: #1D5FA8; --accent-ink: #FFFFFF; --accent-soft: #E4EEF8;
  --ok: #17663A; --ok-soft: #E1F3E8;
  --warn: #8A4B00; --warn-soft: #FDF0DC;
  --danger: #A11E24; --danger-soft: #FBE7E8;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, "Noto Sans Thai", "Sarabun", "Leelawadee UI", "Thonburi", "Segoe UI", system-ui, sans-serif;
  /* ระดับลูกค้า */
  --vip-bg: #4B2A7B; --vip-fg: #FFFFFF;
  --gold-bg: #F5C542; --gold-fg: #4A3500;
  --regular-bg: #D5E6F7; --regular-fg: #12406F;
  --normal-bg: #E6E9ED; --normal-fg: #364354;
  /* ปัญหา */
  --cod-bg: #FFE9C7; --cod-fg: #7A4300;
  --returned-bg: #FBD5D7; --returned-fg: #8E1A20;
  --failed-bg: #FFD9C2; --failed-fg: #8A3200;
  --stuck-bg: #E6DDF6; --stuck-fg: #4A2B86;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 16px/1.5 var(--font); overflow-x: hidden; }
[hidden] { display: none !important; }
h1 { font-size: 1.35rem; margin: 0 0 12px; }
h2 { font-size: 1.1rem; margin: 0 0 10px; }
h3 { font-size: 1rem; margin: 14px 0 8px; }
a { color: var(--accent); }
.muted, .sub { color: var(--muted); font-size: .875rem; }
.mono { font-family: ui-monospace, "SF Mono", Consolas, monospace; word-break: break-all; }
.r { text-align: right; }

/* ส่วนหัว + เมนู */
.app-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 16px; background: var(--ink); color: #fff; }
.brand { font-weight: 700; }
.who { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .9rem; }
.who-name { font-weight: 600; }
.badge-role { background: rgba(255,255,255,.2); color: #fff; }
.app-header .btn-ghost { color: #fff; border-color: rgba(255,255,255,.5); }
.app-nav { display: flex; gap: 4px; overflow-x: auto; background: var(--surface); border-bottom: 1px solid var(--line); padding: 0 8px; -webkit-overflow-scrolling: touch; }
.app-nav a { flex: 0 0 auto; padding: 12px 14px; text-decoration: none; color: var(--ink-2); border-bottom: 3px solid transparent; white-space: nowrap; }
.app-nav a.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 700; }
.view { max-width: 980px; margin: 0 auto; padding: 16px; }
.back { display: inline-block; margin-bottom: 10px; }

/* การ์ดและฟอร์ม */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 14px; }
.login-card { max-width: 420px; margin: 24px auto; }
.field { display: block; margin-bottom: 12px; }
.field > span { display: block; font-size: .875rem; color: var(--ink-2); margin-bottom: 4px; }
.field.inline { display: flex; align-items: center; gap: 8px; }
.field.inline > span { margin: 0; }
input[type=text], input[type=date], input[type=password], input[type=search], input[type=number], input[type=time], input[type=url], input[type=file], select, textarea {
  width: 100%; min-height: 44px; padding: 8px 10px; font: inherit; color: var(--ink); background: #fff; border: 1px solid #9AA7B6; border-radius: 8px;
}
.field.inline select { width: auto; min-width: 140px; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 3px solid #8DB8E8; outline-offset: 1px; }
input[readonly] { background: var(--ground); }
.check { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; min-height: 44px; }
.check input { width: 22px; height: 22px; }
.search-form { display: flex; gap: 8px; }
.search-form input { flex: 1; min-width: 0; }

/* ปุ่ม */
.btn { min-height: 44px; padding: 8px 16px; font: inherit; font-weight: 600; border: 1px solid #9AA7B6; background: #fff; color: var(--ink); border-radius: 8px; cursor: pointer; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-block { display: block; width: 100%; margin-top: 12px; }
.btn-small { min-height: 34px; padding: 4px 10px; font-size: .875rem; }
.btn-ghost { background: transparent; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }

/* แจ้งเตือน */
.alert { padding: 10px 12px; border-radius: 8px; margin: 8px 0; border: 1px solid transparent; }
.alert-danger { background: var(--danger-soft); color: var(--danger); border-color: #EFB3B6; }
.alert-warn { background: var(--warn-soft); color: var(--warn); border-color: #EBCB98; }
.alert-ok { background: var(--ok-soft); color: var(--ok); border-color: #A9D8BC; }
.empty { padding: 24px 12px; text-align: center; color: var(--muted); }
.loading { padding: 20px; text-align: center; color: var(--muted); }
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; vertical-align: -3px; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.toast { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 20; max-width: 420px; margin: 0 auto; padding: 12px 14px; border-radius: 10px; background: var(--ink); color: #fff; }
.toast-ok { background: var(--ok); } .toast-warn { background: var(--warn); }

/* ตาราง */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 8px 0; }
.tbl { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tbl th, .tbl td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.tbl th.r, .tbl td.r { text-align: right; }
.tbl th { background: var(--ground); font-weight: 600; white-space: nowrap; }
.tbl-click tbody tr { cursor: pointer; }
.tbl-click tbody tr:hover { background: var(--accent-soft); }

/* ตัวเลขสรุป + แถบความคืบหน้า */
.stat-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.stat { flex: 1 1 70px; min-width: 70px; padding: 8px; text-align: center; background: var(--ground); border-radius: 8px; }
.stat-n { font-size: 1.25rem; font-weight: 700; }
.stat-l { font-size: .8rem; color: var(--muted); }
.stat.ok .stat-n { color: var(--ok); } .stat.bad .stat-n { color: var(--danger); }
.progress { height: 14px; background: var(--line); border-radius: 7px; overflow: hidden; }
.progress-bar { height: 100%; width: 0; background: var(--accent); transition: width .3s; }

/* ป้าย (badge) */
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .8rem; font-weight: 600; line-height: 1.5; white-space: nowrap; }
.tier-vip { background: var(--vip-bg); color: var(--vip-fg); }
.tier-gold { background: var(--gold-bg); color: var(--gold-fg); }
.tier-regular { background: var(--regular-bg); color: var(--regular-fg); }
.tier-normal { background: var(--normal-bg); color: var(--normal-fg); }
.tier-none { background: transparent; color: var(--muted); border: 1px dashed var(--line); }
.paid { background: var(--ok-soft); color: var(--ok); }
.issue-flag { background: var(--warn-soft); color: var(--warn); }
.issue-cod { background: var(--cod-bg); color: var(--cod-fg); }
.issue-returned { background: var(--returned-bg); color: var(--returned-fg); }
.issue-failed { background: var(--failed-bg); color: var(--failed-fg); }
.issue-stuck { background: var(--stuck-bg); color: var(--stuck-fg); }

/* ค้นหา / ลูกค้า */
.cards { display: grid; grid-template-columns: 1fr; gap: 10px; }
.cust-card { display: block; width: 100%; text-align: left; font: inherit; color: inherit; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; cursor: pointer; }
.cust-card:hover { border-color: var(--accent); }
.cust-name { font-weight: 700; }
.cust-phone { color: var(--ink-2); margin: 2px 0 6px; }
.cust-tiers { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.kv { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; padding: 4px 0; border-bottom: 1px solid var(--line); }
.kv span { color: var(--muted); }
.kv b { font-weight: 600; text-align: right; overflow-wrap: anywhere; }
.addr-list { margin: 0; padding-left: 18px; }
.addr-list li { margin-bottom: 8px; overflow-wrap: anywhere; }

/* ออเดอร์มีปัญหา */
.issue-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.issue-card { text-align: left; font: inherit; border: 2px solid transparent; border-radius: var(--radius); padding: 12px; cursor: pointer; }
.issue-card.selected { border-color: var(--ink); }
.issue-card.issue-cod { background: var(--cod-bg); color: var(--cod-fg); }
.issue-card.issue-returned { background: var(--returned-bg); color: var(--returned-fg); }
.issue-card.issue-failed { background: var(--failed-bg); color: var(--failed-fg); }
.issue-card.issue-stuck { background: var(--stuck-bg); color: var(--stuck-fg); }
.issue-label { font-weight: 700; }
.issue-count { font-size: 1.5rem; font-weight: 700; }
.issue-count small { font-size: .8rem; font-weight: 400; }
.issue-amount { font-size: .9rem; }

/* รับเงิน COD (TASK-43/44) */
.cod-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 8px; }
.cod-card { border-radius: var(--radius); padding: 12px; background: var(--ground); border: 1px solid var(--line); }
.cod-card.cod-today { background: var(--ok-soft); color: var(--ok); border-color: #A9D8BC; }
.cod-card.cod-pending { background: var(--cod-bg); color: var(--cod-fg); border-color: transparent; }
.cod-card.cod-unmatched { background: var(--returned-bg); color: var(--returned-fg); border-color: transparent; }
.cod-card.cod-flagged { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.cod-card .sub { color: inherit; opacity: .85; }
.cod-over { margin-top: 4px; font-size: .85rem; }
.cod-over.hot { display: inline-block; padding: 2px 8px; border-radius: 6px; background: var(--danger); color: #fff; font-weight: 700; }
.tbl tr.row-warn td { background: var(--warn-soft); }
.tbl-click tbody tr.row-warn:hover td { background: #F8E0BB; }
.cod-details { margin-top: 12px; }
.cod-details > summary { cursor: pointer; font-weight: 600; min-height: 36px; padding: 6px 0; }
.cod-warn { margin: 6px 0; padding-left: 20px; }
#codDate { max-width: 220px; }

/* ประวัติอัปโหลด */
.run-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.run-errors { margin-top: 8px; }

@media (min-width: 640px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .issue-cards { grid-template-columns: repeat(4, 1fr); }
  .cod-cards { grid-template-columns: repeat(4, 1fr); }
  .btn-block { width: auto; min-width: 220px; }
}

/* ระดับ: ยังไม่มียอด (ยังไม่มีออเดอร์ที่ได้เงินแล้วในปีนั้น) */
.badge.tier-none { background: #eee; color: #777; }