/* STN Flow styles */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #1a7f37;
  --primary-dark: #14602a;
  --primary-light: #e6f4ea;
  --sidebar-bg: #1c2b36;
  --sidebar-text: #aab8c2;
  --bg: #f4f6f8;
  --card: #ffffff;
  --border: #e0e4e8;
  --text: #24292f;
  --muted: #6b7480;
  --danger: #c62828;
  --warning: #b26a00;
  --info: #0b6bcb;
}
body { font-family: 'Segoe UI', 'Leelawadee UI', Tahoma, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }

#app { display: flex; min-height: 100vh; }

/* Sidebar */
#sidebar { width: 220px; background: var(--sidebar-bg); color: var(--sidebar-text); flex-shrink: 0; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
#sidebar .brand { padding: 18px 16px; color: #fff; font-size: 17px; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.08); }
#sidebar .brand small { display: block; font-size: 11px; font-weight: 400; color: var(--sidebar-text); margin-top: 3px; }
#sidebar nav { flex: 1; overflow-y: auto; padding: 8px 0; }
#sidebar a { display: flex; align-items: center; gap: 10px; padding: 10px 16px; color: var(--sidebar-text); text-decoration: none; font-size: 14px; border-left: 3px solid transparent; }
#sidebar a .nav-badge { margin-left: auto; background: #e53935; color: #fff; font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 99px; }
#sidebar a:hover { background: rgba(255,255,255,.06); color: #fff; }
#sidebar a.active { background: rgba(26,127,55,.25); color: #fff; border-left-color: var(--primary); }
#sidebar .nav-section { padding: 12px 16px 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: #5f7280; }
#sidebar .user-box { border-top: 1px solid rgba(255,255,255,.08); padding-top: 6px; }
#sidebar .user-box .btn { background: rgba(255,255,255,.08); color: var(--sidebar-text); border: 1px solid rgba(255,255,255,.12); }
#sidebar .user-box .btn:hover { background: rgba(255,255,255,.16); color: #fff; }

/* Main */
#main { flex: 1; padding: 24px 28px; min-width: 0; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; flex-wrap: wrap; gap: 10px; }
.page-head h1 { font-size: 22px; font-weight: 600; }

/* Cards & stats */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 18px; margin-bottom: 16px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.stat .label { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.stat .value { font-size: 22px; font-weight: 700; }
.stat.green .value { color: var(--primary); }
.stat.orange .value { color: var(--warning); }
.stat.blue .value { color: var(--info); }
.stat.red .value { color: var(--danger); }

/* Tables */
table { width: 100%; border-collapse: collapse; background: var(--card); }
th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 10px 12px; border-bottom: 2px solid var(--border); white-space: nowrap; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #f7faf8; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
th.num { text-align: right; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 8px; border: 1px solid var(--border); background: #fff; color: var(--text); font-size: 14px; cursor: pointer; text-decoration: none; font-family: inherit; }
.btn:hover { background: #f2f4f6; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.danger { color: var(--danger); border-color: #f2c9c9; }
.btn.danger:hover { background: #fdf2f2; }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Badges */
.badge { display: inline-block; padding: 3px 10px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge.draft { background: #eceff1; color: #546e7a; }
.badge.sent { background: #e3f2fd; color: #1565c0; }
.badge.accepted { background: #e6f4ea; color: #1a7f37; }
.badge.rejected { background: #fdecea; color: #c62828; }
.badge.unpaid { background: #fff3e0; color: #b26a00; }
.badge.paid { background: #e6f4ea; color: #1a7f37; }
.badge.overdue { background: #fdecea; color: #c62828; }
.badge.void { background: #fdecea; color: #c62828; }

/* เอกสารที่ถูกยกเลิก: แถวจางทั้งแถว (ยกเว้น badge) + จุดสีแดง */
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--info); margin-right: 7px; vertical-align: middle; }
.dot.red { background: var(--danger); }
tr.void-row td { color: #b0b7be; }
tr.void-row td strong { color: #b0b7be; }
tr.void-row td .muted { color: #c3c9ce; }

/* Forms */
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff; color: var(--text); }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(26,127,55,.25); border-color: var(--primary); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.form-row { margin-bottom: 12px; }
.inline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* กล่องแนะนำลูกค้า/ผู้ขาย (ใช้แทน <datalist> ของเบราว์เซอร์ ซึ่งแต่งขนาด/ฟอนต์ไม่ได้เลย) */
.cust-dropdown { position: absolute; left: 0; right: 0; top: 100%; z-index: 40; background: #fff; border: 1px solid var(--border); border-radius: 8px; margin-top: 4px; max-height: 320px; overflow-y: auto; box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.cust-dropdown:empty { display: none; border: none; box-shadow: none; }
.cust-dropdown-item { padding: 10px 14px; font-size: 15px; line-height: 1.4; cursor: pointer; white-space: normal; word-break: break-word; }
.cust-dropdown-item:hover { background: #f3f4f6; }
.cust-dropdown-item.muted { color: var(--muted); cursor: default; }
.cust-dropdown-item.muted:hover { background: transparent; }
.cust-dropdown-item + .cust-dropdown-item { border-top: 1px solid var(--border); }

/* Modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(15,23,32,.5); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 100; overflow-y: auto; }
.modal { background: #fff; border-radius: 12px; padding: 22px; width: 100%; max-width: 560px; }
.modal.wide { max-width: 980px; }
.modal h2 { font-size: 18px; margin-bottom: 16px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* Doc editor line items */
.items-table input { padding: 6px 8px; }
.items-table td { padding: 6px 6px; }
.totals-box { margin-left: auto; width: 320px; margin-top: 12px; }
.totals-box .row { display: flex; justify-content: space-between; padding: 5px 0; font-size: 14px; }
.totals-box .row.grand { font-size: 17px; font-weight: 700; border-top: 2px solid var(--border); padding-top: 9px; margin-top: 5px; color: var(--primary); }

/* Toast */
#toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: #1c2b36; color: #fff; padding: 10px 22px; border-radius: 99px; font-size: 14px; opacity: 0; transition: opacity .25s; pointer-events: none; z-index: 200; }
#toast.show { opacity: 1; }

/* Tabs / filters */
.filters { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.chip { padding: 6px 14px; border-radius: 99px; border: 1px solid var(--border); background: #fff; color: var(--text); cursor: pointer; font-size: 13px; font-family: inherit; }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* Row action dropdown (จัดการ ▾) */
.row-menu { display: none; position: absolute; right: 0; top: calc(100% + 4px); background: #fff; border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 6px 18px rgba(0,0,0,.14); min-width: 210px; max-width: 90vw; z-index: 70; text-align: left; overflow: hidden; }
.row-menu .rm-title { font-size: 11px; color: var(--muted); padding: 8px 14px 4px; border-top: 1px solid var(--border); }
.row-menu .rm-title:first-child { border-top: none; }
.row-menu .rm-item { padding: 9px 14px; cursor: pointer; font-size: 13px; white-space: nowrap; }
.row-menu .rm-item:hover { background: #f2f4f6; }
.row-menu .rm-item.danger { color: var(--danger); }
.rel-icon { cursor: pointer; font-size: 12px; opacity: .65; margin-left: 5px; }
.rel-icon:hover { opacity: 1; }
.rel-pop { left: 0; right: auto; min-width: 240px; }
.row-menu .rm-item.disabled { color: #b8c0c8; cursor: not-allowed; }
.row-menu .rm-item.disabled:hover { background: none; }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }
.muted { color: var(--muted); }
.mb0 { margin-bottom: 0; }
.search-box { max-width: 280px; }

/* Chart */
.bar-chart { display: flex; align-items: flex-end; gap: 8px; height: 180px; padding-top: 10px; }
.bar-chart .bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.bar-chart .bar { width: 100%; max-width: 46px; background: var(--primary); border-radius: 4px 4px 0 0; min-height: 2px; }
.bar-chart .bar-label { font-size: 11px; color: var(--muted); }
.bar-chart .bar-val { font-size: 10px; color: var(--muted); }

/* ---------- PRINT DOCUMENT ---------- */
#print-area { display: none; }
.print-doc { background: #fff; width: 210mm; min-height: 280mm; margin: 0 auto; padding: 15mm 15mm 10mm; font-size: 13px; color: #000; position: relative; display: flex; flex-direction: column; }
.print-doc .doc-header { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 10px; border-bottom: 1px solid #999; margin-bottom: 14px; }
.print-doc .company { flex: 1 1 0; min-width: 0; }
/* ขนาดตัวอักษร/ระยะห่าง/ความกว้างของส่วนหัวเอกสาร (ชื่อบริษัท/ที่อยู่/ชื่อเอกสาร/meta) มาจาก doc-style.js (DOC_STYLE.header)
   เพื่อให้ตรงกับค่าที่ pdf-render.js ใช้วาด canvas ตอนดาวน์โหลด PDF — แก้ที่ไฟล์เดียว ไม่ต้องแก้ 2 ที่ */
.print-doc .doc-title { text-align: right; flex-shrink: 0; }
.print-doc .doc-title h1 { color: #000; white-space: nowrap; }
.print-doc .doc-title .en { color: #555; }
.print-doc .doc-meta { margin-top: 14px; display: inline-grid; grid-template-columns: max-content max-content; row-gap: 7px; text-align: left; }
.print-doc .doc-meta div { display: contents; }
.print-doc .doc-meta div > span:first-child { white-space: nowrap; text-align: left; }
.print-doc .doc-meta div > strong:last-child, .print-doc .doc-meta div > span:last-child { white-space: nowrap; text-align: right; font-weight: 700; }
.print-doc .parties { display: flex; gap: 14px; margin: 0 0 12px; }
.print-doc .party { flex: 1; border: 1px solid #000; border-radius: 6px; padding: 10px 12px; }
.print-doc .party .title { font-weight: 700; color: #000; margin-bottom: 3px; }
/* ขนาดตัวอักษรของกล่องลูกค้า/ผู้ขาย (ป้ายชื่อ/ชื่อคู่ค้า/ที่อยู่) มาจาก doc-style.js (DOC_STYLE.party) ให้ตรงกับ pdf-render.js */
.print-doc table.items { width: 100%; table-layout: fixed; border-collapse: collapse; margin-top: 4px; }
.print-doc table.items th { background: none; color: #000; font-weight: 700; padding: 7px 8px; font-size: 12.5px; border: 1px solid #000; word-break: break-word; overflow-wrap: anywhere; }
.print-doc table.items td { border: 1px solid #000; padding: 6px 8px; font-size: 12.5px; word-break: break-word; overflow-wrap: anywhere; }
.print-doc .totals-wrap { display: flex; margin-top: 14px; gap: 14px; }
.print-doc .amount-text { flex: 1; border: 1px solid #000; border-radius: 6px; padding: 8px 12px; font-size: 12.5px; display: flex; align-items: center; }
.print-doc .print-totals { width: 260px; font-size: 12.5px; }
.print-doc .print-totals .row { display: flex; justify-content: space-between; padding: 3px 0; }
.print-doc .print-totals .row.grand { font-weight: 700; font-size: 14px; border-top: 1.5px solid #000; margin-top: 4px; padding-top: 6px; }
.print-doc .doc-notes { margin-top: 12px; font-size: 12px; white-space: pre-wrap; }
.print-doc .bottom-block { margin-top: auto; padding-top: 36px; }
.print-doc .signatures { display: flex; gap: 20px; }
.print-doc .sig { flex: 1; text-align: center; font-size: 12px; }
.print-doc .sig .line { border-bottom: 1px dotted #000; margin: 34px 18px 6px; }
/* ใบเสนอราคา: บล็อกลายเซ็นแบบ "ในนาม [บริษัท]" คู่ 2 ฝั่ง (ลูกค้า/เรา) แต่ละฝั่งมี 2 ช่องย่อย (ลงชื่อ/วันที่) */
.print-doc .sig-group { flex: 1; }
.print-doc .sig-group-title { text-align: center; font-size: 12px; margin-bottom: 6px; }
.print-doc .sig-pair { display: flex; gap: 10px; }
.print-doc .sig-pair .sig .line { margin: 72px 10px 6px; }
.print-doc .sig-prefill { font-size: 12px; margin-top: 72px; }
.print-doc .logo-img { max-width: 150px; object-fit: contain; }
/* ใบเสร็จรับเงิน: ข้อความเงื่อนไขการชำระ + ช่องกรอกธนาคาร/เลขที่/วันที่/จำนวนเงิน (สำหรับเช็ค/โอน) เหนือส่วนลายเซ็น */
.print-doc .pay-note { margin-top: 14px; font-size: 12px; }
.print-doc .pay-fields { display: flex; gap: 16px; margin-top: 22px; margin-bottom: 44px; font-size: 12px; text-align: left; }
.print-doc .pay-fields > div { flex: 1; }
.print-doc .pay-fields .line { border-bottom: 1px dotted #000; margin-bottom: 6px; height: 14px; }
.print-doc .pd-foot { text-align: right; font-size: 11px; color: #444; padding-top: 6px; }

@media print {
  body { background: #fff; }
  #app, #toast { display: none !important; }
  #print-area { display: block !important; }
  .print-doc { width: auto; min-height: 96vh; padding: 0; margin: 0; page-break-after: always; }
  .print-doc:last-child { page-break-after: auto; }
  @page { size: A4; margin: 12mm; }
}

/* พิมพ์ A4 โดยใช้ภาพเอกสารเดียวกับที่ดาวน์โหลด PDF (วาดผ่าน pdf-render.js) — ภาพมีระยะขอบในตัวอยู่แล้ว
   @page margin ของโหมดนี้ถูกตั้งเป็น 0 แบบไดนามิกใน printDoc()/setPrintImagePageSize() ใน app-docs.js */
.print-doc-page { width: 210mm; height: 280mm; page-break-after: always; }
.print-doc-page:last-child { page-break-after: auto; }
.print-doc-page img { width: 100%; height: 100%; display: block; }

@media (max-width: 860px) {
  #sidebar { width: 64px; }
  #sidebar .brand, #sidebar .nav-section, #sidebar a span { display: none; }
  #main { padding: 16px; }
}

/* ---------- DARK THEME ---------- */
/* สลับผ่านหน้าตั้งค่า (setTheme() ใน app.js) เก็บค่าไว้ใน localStorage ต่อเบราว์เซอร์ — ไม่ผ่าน Supabase เพราะเป็นความชอบส่วนตัวต่อเครื่อง
   ***ห้ามให้มีผลกับ .print-doc (เอกสารพิมพ์/PDF) เด็ดขาด — ต้องขาวดำล้วนเสมอตามกติกาเอกสาร (.print-doc ใช้สี #fff/#000 ตรงๆ ไม่ใช้ var() อยู่แล้วจึงไม่ถูกกระทบ)*** */
:root[data-theme="dark"] {
  --primary: #2ea043;
  --primary-dark: #238636;
  --primary-light: rgba(46,160,67,.18);
  --sidebar-bg: #0d1117;
  --sidebar-text: #8b949e;
  --bg: #0d1117;
  --card: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --muted: #8b949e;
  --danger: #f85149;
  --warning: #d29922;
  --info: #58a6ff;
}
:root[data-theme="dark"] tr.clickable:hover { background: #1c2530; }
:root[data-theme="dark"] .btn { background: var(--card); }
:root[data-theme="dark"] .btn:hover { background: #21262d; }
:root[data-theme="dark"] .btn.danger:hover { background: rgba(248,81,73,.12); }
:root[data-theme="dark"] input, :root[data-theme="dark"] select, :root[data-theme="dark"] textarea { background: var(--card); }
:root[data-theme="dark"] .cust-dropdown { background: var(--card); box-shadow: 0 8px 24px rgba(0,0,0,.5); }
:root[data-theme="dark"] .cust-dropdown-item:hover { background: #21262d; }
:root[data-theme="dark"] .modal-backdrop { background: rgba(0,0,0,.65); }
:root[data-theme="dark"] .modal { background: var(--card); }
:root[data-theme="dark"] .chip { background: var(--card); }
:root[data-theme="dark"] .row-menu { background: var(--card); box-shadow: 0 6px 18px rgba(0,0,0,.5); }
:root[data-theme="dark"] .row-menu .rm-item:hover { background: #21262d; }
:root[data-theme="dark"] .row-menu .rm-item.disabled { color: #4b535b; }
:root[data-theme="dark"] tr.void-row td { color: #6e7681; }
:root[data-theme="dark"] tr.void-row td strong { color: #6e7681; }
:root[data-theme="dark"] tr.void-row td .muted { color: #545b62; }
:root[data-theme="dark"] .badge.draft { background: #21262d; color: #8b949e; }
:root[data-theme="dark"] .badge.sent { background: rgba(88,166,255,.15); color: #58a6ff; }
:root[data-theme="dark"] .badge.accepted, :root[data-theme="dark"] .badge.paid { background: rgba(46,160,67,.15); color: #3fb950; }
:root[data-theme="dark"] .badge.rejected, :root[data-theme="dark"] .badge.overdue, :root[data-theme="dark"] .badge.void { background: rgba(248,81,73,.15); color: #f85149; }
:root[data-theme="dark"] .badge.unpaid { background: rgba(210,153,34,.15); color: #d29922; }
:root[data-theme="dark"] #sidebar .brand { border-bottom-color: rgba(255,255,255,.06); }
:root[data-theme="dark"] #toast { background: #21262d; }