/* ProcureLedger 原型 — 設計 token 對齊 sayxpromax/admin/web/src */
:root{
  --primary:#2563eb; --primary-hover:#2058d6;
  --gray-50:#f9fafb; --gray-100:#f3f4f6; --gray-200:#e5e7eb; --gray-300:#d1d5db;
  --gray-400:#9ca3af; --gray-500:#6b7280; --gray-600:#4b5563; --gray-700:#374151; --gray-800:#1f2937; --gray-900:#111827;
  --blue-50:#eff6ff; --blue-100:#dbeafe; --blue-200:#bfdbfe; --blue-600:#2563eb; --blue-700:#1d4ed8;
  --green-50:#f0fdf4; --green-100:#dcfce7; --green-600:#16a34a; --green-700:#15803d;
  --red-50:#fef2f2; --red-100:#fee2e2; --red-600:#dc2626; --red-700:#b91c1c;
  --purple-100:#f3e8ff; --purple-600:#9333ea;
  --amber-50:#fffbeb; --amber-100:#fef3c7; --amber-600:#d97706; --amber-700:#b45309;
  --secondary:#f4f4f5; --secondary-fg:#3f3f46;
}
*{box-sizing:border-box;margin:0;padding:0;}
html,body{height:100%;}
body{font-family:ui-sans-serif,system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;background:var(--gray-50);color:var(--gray-900);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;}
svg{display:block;}
a{color:inherit;text-decoration:none;}

/* ===== app shell ===== */
.app{display:flex;height:100vh;overflow:hidden;}
.sidebar{width:256px;background:#fff;border-right:1px solid var(--gray-200);height:100vh;display:flex;flex-direction:column;flex-shrink:0;}
.logo{padding:24px;border-bottom:1px solid var(--gray-200);}
.logo h1{font-size:1.25rem;font-weight:700;color:var(--gray-900);letter-spacing:-0.01em;}
.logo p{font-size:.75rem;color:var(--gray-400);letter-spacing:.15em;margin-top:4px;text-transform:uppercase;}
.nav{flex:1;padding:12px;overflow-y:auto;}
.nav-item{width:100%;display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;color:var(--gray-600);font-size:.875rem;font-weight:500;cursor:pointer;border:none;background:none;text-align:left;}
.nav-item:hover{background:var(--gray-100);color:var(--gray-900);}
.nav-item.active{background:var(--blue-50);color:var(--blue-700);}
.nav-item svg{width:18px;height:18px;flex-shrink:0;}
.nav-item.sub{padding-left:20px;padding-top:8px;padding-bottom:8px;}
.group-label{width:100%;display:flex;align-items:center;justify-content:space-between;padding:8px 12px;margin-top:6px;border-radius:8px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--gray-400);background:none;border:none;cursor:pointer;}
.group-label.active-group{color:var(--blue-600);}
.group-label svg{width:14px;height:14px;transition:transform .15s;}
.group-label.collapsed svg{transform:rotate(-90deg);}
.logout{padding:12px;border-top:1px solid var(--gray-200);}
.logout .nav-item:hover{color:var(--red-600);}

.main{flex:1;display:flex;flex-direction:column;height:100vh;min-width:0;}
.header{height:56px;border-bottom:1px solid var(--gray-200);background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 32px;flex-shrink:0;}
.header .title{font-size:.875rem;font-weight:600;color:var(--gray-700);}
.header .user{display:flex;align-items:center;gap:10px;}
.header .user .name{font-size:.875rem;color:var(--gray-700);font-weight:500;}
.role-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:9999px;font-size:.75rem;font-weight:500;background:var(--blue-100);color:var(--blue-700);}
.role-switch{display:flex;align-items:center;gap:6px;border:1px solid var(--gray-200);border-radius:8px;padding:3px;}
.role-switch button{border:none;background:none;font-family:inherit;font-size:.78rem;color:var(--gray-500);padding:4px 10px;border-radius:6px;cursor:pointer;}
.role-switch button.on{background:var(--blue-600);color:#fff;font-weight:600;}

.tabbar{display:flex;align-items:center;gap:4px;border-bottom:1px solid var(--gray-200);background:#fff;padding:6px 8px;overflow-x:auto;flex-shrink:0;}
.tab{display:flex;align-items:center;gap:6px;border:1px solid transparent;border-radius:6px;padding:6px 12px;font-size:.875rem;color:var(--gray-600);cursor:pointer;white-space:nowrap;}
.tab:hover{background:var(--gray-100);}
.tab.active{border-color:var(--blue-200);background:var(--blue-50);color:var(--blue-700);}
.tab .x{display:flex;padding:2px;border-radius:4px;color:var(--gray-400);}
.tab .x:hover{background:var(--gray-200);color:var(--gray-700);}
.tab .x svg{width:14px;height:14px;}

.content{flex:1;overflow-y:auto;padding:32px;}
.inner{max-width:1152px;margin:0 auto;display:flex;flex-direction:column;gap:24px;}
.page-title{font-size:1.5rem;font-weight:600;color:var(--gray-900);}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.subtle{color:var(--gray-500);font-size:.875rem;}

/* breadcrumb / back */
.crumb{display:flex;align-items:center;gap:6px;font-size:.8rem;color:var(--gray-500);}
.crumb a{color:var(--blue-700);cursor:pointer;}
.crumb a:hover{text-decoration:underline;}

/* ===== stat cards ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat{background:#fff;border:1px solid var(--gray-200);border-radius:8px;padding:16px;display:flex;align-items:center;justify-content:space-between;}
.stat .label{font-size:.875rem;color:var(--gray-500);}
.stat .value{font-size:1.5rem;font-weight:700;color:var(--gray-900);margin-top:2px;}
.chip{width:48px;height:48px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.chip svg{width:24px;height:24px;}
.t-blue{background:var(--blue-100);color:var(--blue-600);}
.t-green{background:var(--green-100);color:var(--green-600);}
.t-red{background:var(--red-100);color:var(--red-600);}
.t-purple{background:var(--purple-100);color:var(--purple-600);}
.t-amber{background:var(--amber-100);color:var(--amber-600);}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:36px;padding:0 16px;border-radius:6px;font-size:.875rem;font-weight:500;border:none;cursor:pointer;font-family:inherit;white-space:nowrap;}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-hover);}
.btn-outline{background:#fff;border:1px solid var(--gray-200);color:var(--gray-700);}
.btn-outline:hover{background:var(--gray-50);}
.btn-ghost{background:none;color:var(--gray-600);}
.btn-ghost:hover{background:var(--gray-100);}
.btn-sm{height:32px;padding:0 12px;font-size:.82rem;}
.selfstart{align-self:flex-start;}

/* ===== panels & tables ===== */
.panel{background:#fff;border:1px solid var(--gray-200);border-radius:8px;overflow:hidden;}
.panel-head{padding:14px 16px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.panel-head h3{font-size:1rem;font-weight:600;color:var(--gray-900);}
.panel-body{padding:16px;}
.filters{display:flex;gap:12px;align-items:end;flex-wrap:wrap;}
.field{display:flex;flex-direction:column;gap:4px;}
.field label{font-size:.75rem;color:var(--gray-500);}
.ctrl{height:36px;border:1px solid var(--gray-200);border-radius:6px;padding:0 12px;font-size:.875rem;background:#fff;color:var(--gray-900);font-family:inherit;min-width:160px;}

table{width:100%;text-align:left;border-collapse:collapse;}
thead tr{background:var(--gray-50);border-bottom:1px solid var(--gray-200);}
th{padding:12px 16px;font-size:.75rem;font-weight:500;color:var(--gray-500);text-transform:uppercase;letter-spacing:.025em;white-space:nowrap;}
th.r{text-align:right;}
tbody tr{border-bottom:1px solid var(--gray-100);}
tbody tr:last-child{border-bottom:none;}
tbody tr.clickable{cursor:pointer;}
tbody tr:hover{background:var(--gray-50);}
td{padding:12px 16px;font-size:.875rem;color:var(--gray-700);vertical-align:middle;}
td.r{text-align:right;}
.oid{color:var(--blue-700);font-weight:600;}
.uid{color:var(--gray-400);font-size:.75rem;margin-left:4px;}
.muted{color:var(--gray-400);}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.8rem;}
.amt{color:var(--gray-900);font-weight:600;}
.amt-pos{color:var(--green-600);font-weight:600;}

/* ===== badges ===== */
.badge{display:inline-flex;align-items:center;gap:4px;border-radius:6px;padding:2px 8px;font-size:.75rem;font-weight:500;white-space:nowrap;}
.b-secondary{background:var(--secondary);color:var(--secondary-fg);}
.b-blue{background:var(--blue-100);color:var(--blue-700);}
.b-green{background:var(--green-100);color:var(--green-700);}
.b-amber{background:var(--amber-100);color:var(--amber-700);}
.b-red{background:var(--red-100);color:var(--red-700);}
.b-gray{background:var(--gray-100);color:var(--gray-600);}
.b-outline{background:#fff;border:1px solid var(--gray-200);color:var(--gray-600);}

/* ===== two-col detail layout ===== */
.cols{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start;}
@media(max-width:900px){.cols{grid-template-columns:1fr;}}
.kv{display:flex;flex-direction:column;gap:12px;}
.kv .row{display:flex;justify-content:space-between;gap:12px;font-size:.875rem;}
.kv .row .k{color:var(--gray-500);}
.kv .row .v{color:var(--gray-900);font-weight:500;text-align:right;}
.summary-card{background:#fff;border:1px solid var(--gray-200);border-radius:8px;padding:18px;}
.summary-total{border-top:1px solid var(--gray-200);margin-top:14px;padding-top:14px;display:flex;justify-content:space-between;align-items:baseline;}
.summary-total .big{font-size:1.4rem;font-weight:700;color:var(--primary);}

/* ===== nested order tree (3-level) ===== */
.tree-item{border:1px solid var(--gray-200);border-radius:10px;margin-bottom:12px;overflow:hidden;background:#fff;}
.tree-item.dim{opacity:.85;}
.item-head{display:flex;align-items:center;gap:14px;padding:14px 16px;cursor:pointer;}
.item-head:hover{background:var(--gray-50);}
.item-caret{color:var(--gray-400);transition:transform .15s;flex-shrink:0;}
.item-caret svg{width:16px;height:16px;}
.tree-item.open .item-caret{transform:rotate(90deg);}
.item-main{flex:1;min-width:0;}
.item-name{font-weight:600;color:var(--gray-900);}
.item-sub{font-size:.78rem;color:var(--gray-500);margin-top:2px;}
.item-metrics{display:flex;align-items:center;gap:28px;}
.metric{text-align:right;min-width:70px;}
.metric .ml{font-size:.68rem;color:var(--gray-400);text-transform:uppercase;letter-spacing:.03em;}
.metric .mv{font-size:.9rem;font-weight:600;color:var(--gray-900);margin-top:2px;}
.metric .mv.muted{color:var(--gray-300);font-weight:400;}
.progress-wrap{width:110px;}
.progress-bar{height:6px;background:var(--gray-100);border-radius:3px;overflow:hidden;margin-top:6px;}
.progress-fill{height:100%;background:var(--blue-600);border-radius:3px;}
.progress-fill.done{background:var(--green-600);}

.item-body{border-top:1px dashed var(--gray-200);background:var(--gray-50);padding:0;display:none;}
.tree-item.open .item-body{display:block;}
.level3{padding:14px 16px 14px 46px;}
.level3 .l3-label{font-size:.7rem;color:var(--gray-400);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px;}
.po-line{display:flex;align-items:center;gap:12px;padding:10px 12px;background:#fff;border:1px solid var(--gray-200);border-radius:8px;margin-bottom:8px;}
.po-line:last-child{margin-bottom:0;}
.po-ico{width:30px;height:30px;border-radius:6px;background:var(--amber-100);color:var(--amber-600);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.po-ico svg{width:16px;height:16px;}
.po-main{flex:1;min-width:0;}
.po-title{font-size:.84rem;font-weight:600;color:var(--gray-800);}
.po-meta{font-size:.74rem;color:var(--gray-500);margin-top:1px;}
.po-link{color:var(--blue-700);cursor:pointer;font-size:.78rem;}
.po-link:hover{text-decoration:underline;}
.l3-empty{font-size:.8rem;color:var(--gray-400);padding:4px 0;}
.l3-relation{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;}
.rel-pill{display:inline-flex;align-items:center;gap:6px;font-size:.76rem;color:var(--gray-600);background:#fff;border:1px solid var(--gray-200);border-radius:20px;padding:4px 10px;cursor:pointer;}
.rel-pill:hover{border-color:var(--blue-200);color:var(--blue-700);}
.rel-pill svg{width:13px;height:13px;}

/* proof thumb */
.proof{width:54px;height:54px;border-radius:8px;border:1px solid var(--gray-200);background:var(--gray-100);display:flex;align-items:center;justify-content:center;color:var(--gray-400);overflow:hidden;}
.proof svg{width:22px;height:22px;}

/* timeline */
.timeline{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.tl-step{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;padding:4px 11px;border-radius:20px;font-weight:500;}
.tl-step.done{background:var(--green-100);color:var(--green-700);}
.tl-step.now{background:var(--blue-100);color:var(--blue-700);}
.tl-step.todo{background:var(--gray-100);color:var(--gray-400);}
.tl-arrow{color:var(--gray-300);}

/* empty / placeholder */
.empty{padding:48px;text-align:center;color:var(--gray-400);}
.empty svg{width:38px;height:38px;margin:0 auto 10px;}
.wip{padding:60px 32px;text-align:center;color:var(--gray-400);background:#fff;border:1px dashed var(--gray-200);border-radius:10px;}

/* ===== login ===== */
.login-wrap{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--gray-50);}
.login-card{background:#fff;border:1px solid var(--gray-200);border-radius:16px;padding:36px;width:380px;box-shadow:0 1px 3px rgba(0,0,0,.04);}
.login-card .brand{text-align:center;margin-bottom:24px;}
.login-card .brand h1{font-size:1.5rem;font-weight:800;}
.login-card .brand p{color:var(--gray-400);font-size:.75rem;letter-spacing:.15em;text-transform:uppercase;margin-top:4px;}
.login-field{margin-bottom:14px;}
.login-field label{display:block;font-size:.8rem;color:var(--gray-600);margin-bottom:6px;}
.login-field input{width:100%;height:40px;border:1px solid var(--gray-200);border-radius:8px;padding:0 12px;font-size:.9rem;font-family:inherit;}
.role-pick{margin:18px 0 8px;}
.role-pick .rl{font-size:.78rem;color:var(--gray-500);margin-bottom:8px;}
.role-opts{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;}
.role-opt{border:1px solid var(--gray-200);border-radius:10px;padding:12px 8px;text-align:center;cursor:pointer;font-size:.8rem;color:var(--gray-600);}
.role-opt:hover{border-color:var(--blue-200);}
.role-opt.sel{border-color:var(--blue-600);background:var(--blue-50);color:var(--blue-700);font-weight:600;}
.role-opt svg{width:20px;height:20px;margin:0 auto 6px;}

/* customer portal */
.portal{max-width:880px;margin:0 auto;padding:32px;display:flex;flex-direction:column;gap:20px;}
.portal-head{display:flex;align-items:center;justify-content:space-between;}
.portal-head h1{font-size:1.4rem;font-weight:700;}