:root {
  --blue: #1A3FD4;
  --blue-dark: #1232AA;
  --blue-light: #3355E8;
  --blue-xl: #EEF1FD;
  --blue-pale: #F5F7FE;
  --ink: #111318;
  --paper: #F6F7FB;
  --white: #FFFFFF;
  --muted: #6B7280;
  --muted-light: #9CA3AF;
  --border: #E2E5F0;
  --border-dark: #C8CEEA;
  --green: #16A34A; --green-bg: #F0FDF4;
  --amber: #B45309; --amber-bg: #FFFBEB;
  --red: #DC2626; --red-bg: #FEF2F2;
  --sidebar: 252px;
  --topbar: 60px;
  --r: 8px;
  --shadow: 0 1px 8px rgba(26,63,212,0.07);
  --shadow-lg: 0 8px 32px rgba(26,63,212,0.13);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'DM Sans',sans-serif;background:var(--paper);color:var(--ink);min-height:100vh;display:flex;font-size:13.5px;line-height:1.5}

/* ── SIDEBAR ── */
.sidebar{width:var(--sidebar);background:var(--blue);position:fixed;top:0;left:0;bottom:0;display:flex;flex-direction:column;overflow-y:auto;z-index:100}
.sb-logo{padding:16px 18px 14px;border-bottom:1px solid rgba(255,255,255,0.13)}
.sb-logo img{height:32px;filter:brightness(0) invert(1)}
.sb-tagline{font-size:9px;letter-spacing:2px;text-transform:uppercase;color:rgba(255,255,255,0.42);margin-top:5px;font-weight:500}
.sb-section{padding:12px 10px 2px}
.sb-label{font-size:9px;letter-spacing:2px;text-transform:uppercase;color:rgba(255,255,255,0.38);padding:0 8px;margin-bottom:2px;font-weight:600}
.nav{display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:6px;cursor:pointer;transition:all .14s;color:rgba(255,255,255,0.68);font-size:13px;font-weight:400;user-select:none;border-left:3px solid transparent}
.nav:hover{background:rgba(255,255,255,0.1);color:#fff}
.nav.active{background:rgba(255,255,255,0.16);color:#fff;font-weight:600;border-left-color:#fff}
.nav .ic{width:15px;text-align:center;font-size:13px;flex-shrink:0}
.nav-badge{margin-left:auto;background:rgba(255,255,255,0.22);color:#fff;font-size:10px;padding:1px 6px;border-radius:10px;font-weight:700}
.sb-footer{margin-top:auto;padding:12px 14px;border-top:1px solid rgba(255,255,255,0.13);background:rgba(0,0,0,0.1)}
.user-row{display:flex;align-items:center;gap:9px}
.u-av{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,0.18);border:2px solid rgba(255,255,255,0.35);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:11px;color:#fff;flex-shrink:0}
.u-name{font-size:12.5px;color:#fff;font-weight:600}
.u-role{font-size:10px;color:rgba(255,255,255,0.45)}

/* ── MAIN ── */
.main{margin-left:var(--sidebar);flex:1;display:flex;flex-direction:column;min-height:100vh}
.topbar{height:var(--topbar);background:var(--white);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 22px;gap:12px;position:sticky;top:0;z-index:50;box-shadow:0 1px 4px rgba(26,63,212,0.05)}
.topbar-title{font-size:17px;font-weight:700;color:var(--ink)}
.topbar-actions{margin-left:auto;display:flex;gap:9px;align-items:center}
.search-wrap{display:flex;align-items:center;background:var(--paper);border:1.5px solid var(--border);border-radius:6px;padding:0 11px;gap:7px;width:220px;transition:border-color .15s}
.search-wrap:focus-within{border-color:var(--blue)}
.search-wrap input{border:none;background:transparent;font-family:'DM Sans',sans-serif;font-size:13px;color:var(--ink);padding:7px 0;flex:1}
.search-wrap input:focus{outline:none}
.content{padding:22px;flex:1}
.page{display:none}.page.active{display:block}
.brand-bar{height:3px;background:var(--blue)}

/* ── BUTTONS ── */
.btn{padding:7px 15px;border-radius:6px;border:none;cursor:pointer;font-family:'DM Sans',sans-serif;font-size:13px;font-weight:500;transition:all .14s;display:inline-flex;align-items:center;gap:6px}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-dark)}
.btn-outline{background:transparent;border:1.5px solid var(--border-dark);color:var(--ink)}.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.btn-ghost{background:transparent;border:none;color:var(--muted);cursor:pointer;font-size:12px;padding:4px 8px;border-radius:4px}.btn-ghost:hover{background:var(--paper);color:var(--ink)}
.btn-sm{padding:5px 11px;font-size:12px}
.btn-danger{background:var(--red);color:#fff;border:none}.btn-danger:hover{background:#b91c1c}
.btn-icon{width:30px;height:30px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;border:1.5px solid var(--border);background:transparent;cursor:pointer;font-size:14px;color:var(--muted);transition:all .14s}
.btn-icon:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-xl)}
.btn-icon.danger:hover{border-color:var(--red);color:var(--red);background:var(--red-bg)}

/* ── CARD ── */
.card{background:var(--white);border-radius:var(--r);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow)}
.card-hdr{padding:13px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-title{font-weight:700;font-size:13.5px}
.card-body{padding:18px}

/* ── TABLE ── */
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:10px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);padding:9px 13px;border-bottom:1.5px solid var(--border);font-weight:600;background:var(--paper)}
.tbl td{padding:10px 13px;border-bottom:1px solid rgba(226,229,240,0.6);font-size:13px;vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:var(--blue-pale)}
.tbl .actions{display:flex;gap:5px;align-items:center}

/* ── BADGES ── */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:600}
.bd-draft{background:#F3F4F6;color:#6B7280}
.bd-sent{background:#EFF6FF;color:#1D4ED8}
.bd-approved{background:var(--green-bg);color:var(--green)}
.bd-pending{background:var(--amber-bg);color:var(--amber)}
.bd-paid{background:var(--green-bg);color:#15803D}
.bd-overdue{background:var(--red-bg);color:var(--red)}
.doc-num{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--blue);font-weight:500;background:var(--blue-xl);padding:2px 7px;border-radius:4px}

/* ── STATS ── */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-bottom:20px}
.stat-card{background:var(--white);border-radius:var(--r);padding:16px 18px 14px 22px;border:1px solid var(--border);box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--blue);border-radius:3px 0 0 3px}
.stat-lbl{font-size:10.5px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:7px;font-weight:600}
.stat-val{font-size:26px;font-weight:700;color:var(--ink)}
.stat-chg{font-size:11.5px;color:var(--green);margin-top:3px;font-weight:500}
.stat-chg.down{color:var(--red)}

/* ── FORM ── */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.form-full{grid-column:1/-1}
.fg{display:flex;flex-direction:column;gap:4px}
.lbl{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.fc{padding:8px 11px;border:1.5px solid var(--border);border-radius:6px;font-family:'DM Sans',sans-serif;font-size:13px;color:var(--ink);background:var(--white);transition:border-color .15s;width:100%}
.fc:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(26,63,212,0.07)}
select.fc{cursor:pointer}
textarea.fc{resize:vertical;min-height:75px}
.fc[readonly]{background:var(--blue-pale);color:var(--blue);font-family:'JetBrains Mono',monospace;font-weight:600;font-size:12px}

/* autocomplete */
.ac-wrap{position:relative}
.ac-dropdown{position:absolute;top:100%;left:0;right:0;background:var(--white);border:1.5px solid var(--blue);border-top:none;border-radius:0 0 6px 6px;max-height:180px;overflow-y:auto;z-index:200;box-shadow:var(--shadow-lg);display:none}
.ac-item{padding:8px 12px;cursor:pointer;font-size:13px;transition:background .1s}
.ac-item:hover,.ac-item.selected{background:var(--blue-xl);color:var(--blue)}
.ac-item .ac-sub{font-size:11px;color:var(--muted-light)}
.ac-empty{padding:10px 12px;font-size:12.5px;color:var(--muted);font-style:italic}

/* ── MODAL ── */
.overlay{position:fixed;inset:0;background:rgba(17,19,24,.42);z-index:1000;display:none;align-items:center;justify-content:center;backdrop-filter:blur(3px)}
.overlay.open{display:flex}
.modal{background:var(--white);border-radius:12px;width:720px;max-width:96vw;max-height:92vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal-lg{width:940px}
.modal-hdr{padding:16px 22px 13px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--white);z-index:5}
.modal-title{font-size:16px;font-weight:700}
.modal-close{width:28px;height:28px;border-radius:50%;background:var(--paper);border:none;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.modal-close:hover{background:var(--border)}
.modal-body{padding:20px 22px}
.modal-footer{padding:13px 22px;border-top:1px solid var(--border);display:flex;gap:9px;justify-content:flex-end;position:sticky;bottom:0;background:var(--white)}

/* ── SECTION DIVIDER ── */
.sec-div{font-size:11px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:1px;margin:18px 0 11px;padding-bottom:6px;border-bottom:2px solid var(--blue-xl)}

/* ── LINE ITEMS ── */
.li-tbl{width:100%;border-collapse:collapse;margin-bottom:9px}
.li-tbl th{background:var(--blue);color:#fff;padding:7px 9px;font-size:10px;text-transform:uppercase;letter-spacing:.7px;text-align:left;font-weight:600}
.li-tbl td{padding:4px 3px}
.li-tbl input,.li-tbl select{width:100%;padding:6px 7px;border:1.5px solid var(--border);border-radius:4px;font-family:'DM Sans',sans-serif;font-size:12.5px}
.li-tbl input:focus,.li-tbl select:focus{outline:none;border-color:var(--blue)}
.li-total{background:var(--blue-pale);font-weight:600;color:var(--blue);font-family:'JetBrains Mono',monospace;font-size:12px}
.btn-rm{background:none;border:none;cursor:pointer;color:var(--red);font-size:14px;padding:3px}

.totals-box{background:var(--blue-pale);border:1px solid var(--blue-xl);border-radius:7px;padding:13px 15px;max-width:280px;margin-left:auto}
.tot-row{display:flex;justify-content:space-between;padding:3px 0;font-size:13px}
.tot-grand{font-weight:700;font-size:14.5px;border-top:1.5px solid var(--border-dark);margin-top:6px;padding-top:7px;color:var(--blue)}

/* ── SIGNATURE ── */
.sig-tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:12px}
.sig-tab{padding:7px 16px;cursor:pointer;font-size:12.5px;font-weight:500;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .14s}
.sig-tab.active{color:var(--blue);border-bottom-color:var(--blue);font-weight:600}
.sig-panel{display:none}.sig-panel.active{display:block}
.sig-canvas-wrap{border:2px dashed var(--border-dark);border-radius:6px;background:#FAFBFE;height:100px;display:flex;align-items:center;justify-content:center;cursor:crosshair;overflow:hidden;position:relative}
canvas#sigCanvas{position:absolute;inset:0;width:100%;height:100%}
.sig-hint{color:var(--muted-light);font-size:12px;pointer-events:none}
.typed-sig{font-family:'Dancing Script',cursive;font-size:32px;color:var(--blue);text-align:center;padding:14px}

/* ── DOC PREVIEW ── */
.doc-preview{background:var(--white);border:1px solid var(--border);border-radius:8px;padding:32px 36px;box-shadow:var(--shadow)}
.doc-hdr{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid var(--blue)}
.doc-type{font-size:22px;font-weight:800;color:var(--blue);text-align:right;letter-spacing:-.5px}
.doc-num-tag{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--blue);background:var(--blue-xl);padding:3px 9px;border-radius:4px;display:inline-block;margin-top:5px}
.doc-meta{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:20px}
.dm-lbl{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:2px;font-weight:600}
.dm-val{font-size:13px;font-weight:600}

/* ── BANKING BOX ── */
.bank-box{background:var(--blue-pale);border:1px solid var(--blue-xl);border-radius:6px;padding:12px 14px}
.bank-row{display:flex;justify-content:space-between;padding:3px 0;font-size:12.5px;border-bottom:1px solid var(--blue-xl)}
.bank-row:last-child{border-bottom:none}
.bank-lbl{color:var(--muted);font-weight:500}
.bank-val{font-family:'JetBrains Mono',monospace;font-size:11.5px;font-weight:600}

/* ── INFO BOX ── */
.info-box{background:var(--blue-pale);border-left:3px solid var(--blue);border-radius:4px;padding:9px 13px;margin-bottom:13px;font-size:12.5px;color:var(--blue);font-weight:500}

/* ── TABS ── */
.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:16px}
.tab{padding:8px 16px;cursor:pointer;font-size:13px;font-weight:500;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .14s}
.tab.active{color:var(--blue);border-bottom-color:var(--blue);font-weight:700}
.tab-panel{display:none}.tab-panel.active{display:block}

/* ── QUICK ACTIONS ── */
.qa-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-bottom:20px}
.qa-card{background:var(--white);border:1.5px solid var(--border);border-radius:var(--r);padding:14px;cursor:pointer;transition:all .16s;text-align:center}
.qa-card:hover{border-color:var(--blue);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.qa-icon{font-size:20px;margin-bottom:6px}
.qa-lbl{font-size:12.5px;font-weight:700}
.qa-sub{font-size:11px;color:var(--muted);margin-top:1px}

/* ── DASH GRID ── */
.dash-grid{display:grid;grid-template-columns:2fr 1fr;gap:14px}

/* ── LIBRARY ── */
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:13px}
.lib-item{background:var(--white);border:1px solid var(--border);border-radius:8px;padding:15px;text-align:center;cursor:pointer;transition:all .14s}
.lib-item:hover{box-shadow:var(--shadow-lg);border-color:var(--blue);transform:translateY(-2px)}
.lib-icon{font-size:30px;margin-bottom:7px}
.lib-name{font-size:12.5px;font-weight:600;margin-bottom:2px}
.lib-meta{font-size:10.5px;color:var(--muted)}

/* ── TOAST ── */
.toast{position:fixed;bottom:22px;right:22px;background:var(--blue);color:#fff;padding:11px 18px;border-radius:8px;font-size:13px;font-weight:500;display:flex;align-items:center;gap:9px;transform:translateY(70px);opacity:0;transition:all .28s;z-index:9999;box-shadow:var(--shadow-lg)}
.toast.show{transform:translateY(0);opacity:1}

/* ── UPLOAD ZONE ── */
.upload-zone{border:2px dashed var(--border-dark);border-radius:8px;padding:26px;text-align:center;cursor:pointer;transition:all .14s;color:var(--muted)}
.upload-zone:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-pale)}

/* ── CONFIRM DIALOG ── */
.confirm-box{text-align:center;padding:10px 0}
.confirm-box .icon{font-size:40px;margin-bottom:10px}
.confirm-box p{color:var(--muted);font-size:13.5px;margin-bottom:4px}
.confirm-box strong{font-size:14px}

/* ── CHIP ── */
.chip{display:inline-flex;align-items:center;background:var(--blue-xl);color:var(--blue);padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600}

/* ── STEPS ── */
.steps{display:flex;align-items:center;margin-bottom:18px}
.step{display:flex;align-items:center;gap:7px}
.step-dot{width:24px;height:24px;border-radius:50%;background:var(--border);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--muted);flex-shrink:0}
.step.active .step-dot{background:var(--blue);color:#fff}
.step.done .step-dot{background:var(--green);color:#fff}
.step-lbl{font-size:12px;font-weight:500;color:var(--muted)}
.step.active .step-lbl{color:var(--ink);font-weight:600}
.step-line{flex:1;height:1px;background:var(--border);margin:0 7px}

/* ── EMPTY STATE ── */
.empty-state{text-align:center;padding:48px 20px;color:var(--muted)}
.empty-icon{font-size:40px;margin-bottom:12px;opacity:.5}
.empty-title{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:5px}
.empty-sub{font-size:13px}

/* ── CUSTOMER PAGE SPECIFIC ── */
.cust-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r);padding:16px 18px;display:flex;align-items:flex-start;gap:14px;transition:all .14s;cursor:default}
.cust-card:hover{box-shadow:var(--shadow-lg);border-color:var(--blue-pale)}
.cust-av{width:40px;height:40px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;flex-shrink:0}
.cust-info{flex:1;min-width:0}
.cust-name{font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cust-code{font-family:'JetBrains Mono',monospace;font-size:10.5px;color:var(--blue);background:var(--blue-xl);padding:1px 6px;border-radius:3px}
.cust-meta{font-size:11.5px;color:var(--muted);margin-top:3px}
.cust-actions{display:flex;gap:5px;flex-shrink:0}
.cust-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:13px;margin-top:16px}