*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --bg:#0f1117;--bg2:#1a1d27;--bg3:#22263a;--surface:#1e2132;--border:#2a2f45;
  --accent:#4f8ef7;--accent-h:#3a76e0;--danger:#e05c5c;--success:#4ecb71;
  --text:#d8dae8;--text-muted:#6b7491;
  --sidebar-w:200px;
  --titlebar-h:36px;
  --radius:8px;
  --fs:12px;       /* base font size — smaller than before */
}
html,body{height:100%;font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:var(--fs);}
body{display:flex;flex-direction:column;overflow:hidden;}

/* ════════════════════════════════════════════
   CUSTOM TITLE BAR
════════════════════════════════════════════ */
#titlebar{
  height:var(--titlebar-h);min-height:var(--titlebar-h);
  background:#12151f;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;
  -webkit-app-region:drag;   /* makes it draggable (Electron / some WebView2 configs) */
  user-select:none;
  z-index:9999;flex-shrink:0;
}
.tb-logo{display:flex;align-items:center;gap:6px;padding:0 14px;font-size:13px;font-weight:700;color:var(--text);letter-spacing:.3px;}
.tb-logo-icon{font-size:14px;}
.tb-drag{flex:1;height:100%;cursor:move;} /* drag region */
.tb-status{font-size:11px;color:var(--text-muted);padding:0 12px;display:flex;align-items:center;gap:6px;}
.tb-user{font-size:11px;color:var(--text-muted);padding:0 10px;display:flex;align-items:center;gap:6px;}
.tb-user-dot{width:6px;height:6px;border-radius:50%;background:var(--success);}
.tb-controls{display:flex;align-items:stretch;-webkit-app-region:no-drag;}
.tb-btn{
  width:44px;height:var(--titlebar-h);border:none;background:none;
  color:var(--text-muted);font-size:13px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .15s,color .15s;
}
.tb-btn:hover{background:rgba(255,255,255,.07);color:var(--text);}
.tb-btn.close:hover{background:#c42b1c;color:#fff;}
.tb-btn svg{width:11px;height:11px;fill:currentColor;}

/* ════════════════════════════════════════════
   APP SHELL
════════════════════════════════════════════ */
#app-shell{display:none;flex:1;min-height:0;overflow:hidden;}
#app-shell.visible{display:flex;}

/* LOGIN */
#login-page{display:flex;align-items:center;justify-content:center;flex:1;}
#login-page.hidden{display:none;}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:32px 36px;width:340px;box-shadow:0 12px 40px rgba(0,0,0,.5);}
.login-logo{font-size:28px;text-align:center;margin-bottom:5px;}
.login-title{font-size:18px;font-weight:800;text-align:center;margin-bottom:3px;}
.login-subtitle{font-size:11px;color:var(--text-muted);text-align:center;margin-bottom:22px;}
.login-card .form-row{margin-bottom:12px;}
.login-card .form-row label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;display:block;margin-bottom:5px;}
.login-card .form-row input{width:100%;padding:8px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:7px;color:var(--text);font-size:12px;}
.login-card .form-row input:focus{outline:none;border-color:var(--accent);}
.login-btn{width:100%;padding:9px;margin-top:4px;font-size:13px;font-weight:700;border-radius:7px;border:none;background:var(--accent);color:#fff;cursor:pointer;}
.login-btn:hover{background:var(--accent-h);}
.login-error{color:var(--danger);font-size:11px;text-align:center;margin-top:8px;min-height:16px;}

/* SIDEBAR */
.sidebar{
  width:var(--sidebar-w);background:var(--bg2);border-right:1px solid var(--border);
  display:flex;flex-direction:column;flex-shrink:0;overflow:hidden;
}
.sidebar-logo{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--border);font-size:13px;font-weight:700;}
nav{flex:1;padding:8px 0;overflow-y:auto;}
nav ul{list-style:none;}
nav ul li{margin:1px 6px;}
.nav-link{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:6px;color:var(--text-muted);text-decoration:none;font-size:12px;transition:background .12s,color .12s;}
.nav-link:hover{background:var(--bg3);color:var(--text);}
.nav-link.active{background:rgba(79,142,247,.15);color:var(--accent);font-weight:600;}
.nav-icon{font-size:13px;width:16px;text-align:center;}
.sidebar-footer{padding:10px 12px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px;}
.user-chip{display:flex;align-items:center;gap:7px;background:var(--bg3);border-radius:6px;padding:6px 8px;font-size:11px;font-weight:600;}
.user-chip-avatar{width:22px;height:22px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff;flex-shrink:0;}
.sidebar-btns{display:flex;gap:4px;}
.sidebar-btns button{flex:1;padding:5px 0;font-size:10px;font-weight:600;border-radius:5px;border:1px solid var(--border);background:var(--bg3);color:var(--text-muted);cursor:pointer;}
.sidebar-btns button:hover{background:var(--border);color:var(--text);}

/* CONTENT */
.content{flex:1;overflow-y:auto;padding:20px 24px;min-width:0;}

/* PAGES */
.page{display:none;}.page.active{display:block;}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.page-header h1{font-size:16px;font-weight:700;}
.toolbar{margin-bottom:10px;display:flex;gap:8px;flex-wrap:wrap;}
.toolbar input{padding:6px 10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:11px;width:280px;}
.toolbar input:focus{outline:none;border-color:var(--accent);}

/* TABLE */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
table{width:100%;border-collapse:collapse;}
thead th{padding:8px 12px;background:var(--bg3);text-align:left;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);border-bottom:1px solid var(--border);}
tbody tr{border-bottom:1px solid var(--border);transition:background .1s;}tbody tr:last-child{border-bottom:none;}
tbody tr:hover{background:rgba(255,255,255,.03);}
tbody td{padding:7px 12px;font-size:11px;}
.clickable-name{color:var(--accent);cursor:pointer;font-weight:600;font-size:11px;}
.clickable-name:hover{opacity:.75;text-decoration:underline;}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:6px;border:none;font-size:11px;font-weight:600;cursor:pointer;transition:background .15s;}
.btn-primary{background:var(--accent);color:#fff;}.btn-primary:hover{background:var(--accent-h);}
.btn-secondary{background:var(--bg3);color:var(--text);border:1px solid var(--border);}.btn-secondary:hover{background:var(--border);}
.btn-sm{padding:4px 9px;font-size:10px;border-radius:5px;}
.btn-icon{background:none;border:none;cursor:pointer;font-size:13px;color:var(--text-muted);padding:2px 4px;border-radius:4px;}
.btn-icon:hover{background:var(--bg3);color:var(--text);}

/* MODALS */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:100;backdrop-filter:blur(3px);}
.modal-overlay.hidden{display:none;}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:12px;width:420px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden;}
.modal-wide{width:660px;}
.modal-header{display:flex;align-items:flex-start;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);}
.modal-header h2{font-size:14px;font-weight:700;}
.modal-close{background:none;border:none;color:var(--text-muted);font-size:16px;cursor:pointer;line-height:1;}
.modal-close:hover{color:var(--text);}
.modal-body{flex:1;padding:16px 18px;overflow-y:auto;}
.modal-footer{padding:12px 18px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;}

/* DETAIL MODALS */
.detail-title-badge{display:inline-block;font-size:15px;font-weight:800;color:var(--accent);margin-bottom:2px;}
.detail-subtitle{font-size:11px;color:var(--text-muted);}
.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px;}
.detail-card{background:var(--bg3);border:1px solid var(--border);border-radius:8px;padding:10px 12px;}
.detail-label{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);margin-bottom:4px;}
.detail-value{font-size:13px;font-weight:700;}
.detail-section-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--border);}
.detail-supplier-chip{display:inline-flex;align-items:center;gap:6px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;padding:5px 10px;margin:3px;font-size:11px;}

/* FORMS */
.form-row{display:flex;flex-direction:column;gap:4px;margin-bottom:10px;}
.form-row label{font-size:10px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;}
.form-row input,.form-row textarea{padding:7px 10px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:11px;width:100%;}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--accent);}
textarea{resize:vertical;font-family:inherit;}
hr{border-color:var(--border);margin:12px 0;}
.section-label{font-size:10px;font-weight:700;text-transform:uppercase;color:var(--text-muted);letter-spacing:.6px;margin-bottom:8px;}

/* SETTINGS */
.settings-tabs{display:flex;gap:2px;margin-bottom:14px;border-bottom:1px solid var(--border);}
.settings-tab{padding:6px 12px;font-size:11px;font-weight:600;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;}
.settings-tab.active{color:var(--accent);border-bottom-color:var(--accent);}
.settings-pane{display:none;}.settings-pane.active{display:block;}
.sftp-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.info-chip{background:var(--bg3);border:1px solid var(--border);border-radius:6px;padding:8px 12px;font-size:11px;display:flex;align-items:center;gap:8px;margin-bottom:12px;}
.info-chip span{color:var(--text-muted);font-size:10px;font-weight:700;text-transform:uppercase;}

/* PICKER */
.picker-btn-row{display:flex;gap:6px;align-items:center;margin-bottom:10px;flex-wrap:wrap;}
.picker-select-btn{flex:1;min-width:160px;padding:7px 10px;background:var(--bg3);border:1px dashed var(--border);border-radius:6px;color:var(--text-muted);font-size:11px;cursor:pointer;text-align:left;transition:border-color .15s;}
.picker-select-btn.selected{color:var(--accent);font-weight:600;border-style:solid;border-color:var(--accent);}
.picker-select-btn:hover{border-color:var(--accent);}
.picker-btn-row input[type=number],.picker-btn-row input[type=text]{padding:7px 8px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:11px;flex:0 0 100px;}
#part-picker-modal{z-index:200;}
#part-picker-modal .modal{width:460px;}
.picker-search-input{width:100%;padding:8px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:11px;margin-bottom:10px;}
.picker-search-input:focus{outline:none;border-color:var(--accent);}
.picker-list{display:flex;flex-direction:column;gap:3px;max-height:320px;overflow-y:auto;}
.picker-list-item{padding:8px 12px;border-radius:6px;cursor:pointer;border:1px solid transparent;display:flex;flex-direction:column;gap:2px;transition:background .1s;}
.picker-list-item:hover{background:rgba(79,142,247,.13);border-color:rgba(79,142,247,.25);}
.picker-item-pn{font-weight:700;color:var(--accent);font-size:11px;}
.picker-item-desc{font-size:10px;color:var(--text-muted);}
.picker-list-empty{padding:16px;text-align:center;color:var(--text-muted);font-size:11px;}

/* SOURCING */
.sourcing-header-row{margin-bottom:16px;max-width:480px;}
.sourcing-header-row .picker-select-btn{font-size:12px;padding:9px 14px;width:100%;}
.sourcing-part-badge{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--accent);border-radius:8px;padding:9px 14px;margin-bottom:16px;}
.sourcing-part-badge .badge-pn{font-size:13px;font-weight:800;color:var(--accent);}
.sourcing-part-badge .badge-desc{font-size:11px;color:var(--text-muted);}
.sourcing-part-badge .badge-clear{margin-left:auto;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:15px;}
.sourcing-part-badge .badge-clear:hover{color:var(--danger);}
.sourcing-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;}
.sourcing-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden;transition:border-color .15s,box-shadow .15s;}
.sourcing-card:hover{border-color:rgba(79,142,247,.4);box-shadow:0 3px 16px rgba(0,0,0,.3);}
.sourcing-card-header{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border);background:var(--bg3);}
.sourcing-sup-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff;flex-shrink:0;}
.sourcing-sup-name{font-size:12px;font-weight:700;}
.sourcing-sup-email{font-size:10px;color:var(--text-muted);margin-top:1px;}
.sourcing-sup-info{flex:1;min-width:0;}
.sourcing-card-body{padding:12px 14px;}
.sourcing-meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.sourcing-meta-chip{background:var(--bg3);border:1px solid var(--border);border-radius:6px;padding:8px 10px;}
.sourcing-meta-chip .meta-label{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);display:block;margin-bottom:3px;}
.sourcing-meta-chip .meta-value{font-size:13px;font-weight:700;}
.sourcing-card-footer{padding:10px 14px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;}
.sourcing-empty-state{display:flex;flex-direction:column;align-items:center;padding:50px 20px;color:var(--text-muted);}
.sourcing-empty-icon{font-size:40px;margin-bottom:12px;opacity:.5;}
.sourcing-empty-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:6px;}
.sourcing-empty-sub{font-size:11px;text-align:center;line-height:1.6;}
.sourcing-placeholder{display:flex;flex-direction:column;align-items:center;padding:70px 20px;color:var(--text-muted);}
.sourcing-placeholder-icon{font-size:44px;margin-bottom:14px;opacity:.25;}
.sourcing-placeholder-text{font-size:13px;font-weight:600;}
.sourcing-placeholder-sub{font-size:11px;margin-top:4px;}

/* MISC */
.badge{display:inline-block;padding:1px 7px;border-radius:20px;font-size:10px;font-weight:700;background:rgba(79,142,247,.18);color:var(--accent);}
.toast{position:fixed;bottom:20px;right:20px;background:var(--bg3);border:1px solid var(--border);color:var(--text);padding:10px 16px;border-radius:8px;font-size:11px;z-index:999;box-shadow:0 4px 20px rgba(0,0,0,.4);}
.toast.hidden{opacity:0;pointer-events:none;}.toast.success{border-left:3px solid var(--success);}.toast.error{border-left:3px solid var(--danger);}
.debug-panel{background:#0d1117;border:1px solid #f59e0b33;border-radius:var(--radius);margin-bottom:16px;font-family:'Consolas',monospace;font-size:11px;overflow:hidden;}
.debug-header{display:flex;justify-content:space-between;align-items:center;padding:7px 12px;background:#1a1500;border-bottom:1px solid #f59e0b22;}
#debug-log{padding:8px 12px;max-height:160px;overflow-y:auto;display:flex;flex-direction:column;gap:3px;}
.log-line{padding:2px 0;border-bottom:1px solid #ffffff06;font-size:10px;}
.log-info{color:#7dd3fc;}.log-ok{color:#4ecb71;}.log-warn{color:#fbbf24;}.log-error{color:#f87171;}.debug-hidden{display:none!important;}
::-webkit-scrollbar{width:5px;}::-webkit-scrollbar-track{background:transparent;}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px;}
.empty-state{text-align:center;padding:30px 20px;color:var(--text-muted);font-size:11px;}