@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500;600&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#0f0f0f;--paper:#f5f2ec;--white:#fff;--muted:#6b6560;
  --rule:#e4e0da;--accent:#0f2340;--accent-light:#edf1f7;
  --green:#1a6b3a;--green-light:#e8f5ee;
  --sidebar-w:220px;
}
body{font-family:'DM Sans',sans-serif;background:var(--paper);color:var(--ink);min-height:100vh}

/* LAYOUT */
.layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);min-height:100vh;background:var(--accent);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:10}
.main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}

/* SIDEBAR */
.sidebar-logo{padding:28px 24px 22px;font-family:'DM Serif Display',serif;font-size:20px;color:var(--white);border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-logo small{display:block;font-family:'DM Sans',sans-serif;font-size:9px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.4);margin-top:3px}
.nav{padding:14px 0}
.nav-link{display:flex;align-items:center;gap:11px;padding:11px 24px;font-size:13px;font-weight:500;color:rgba(255,255,255,.55);text-decoration:none;transition:all .15s;border-left:3px solid transparent}
.nav-link:hover{color:var(--white);background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--white);border-left-color:var(--white);background:rgba(255,255,255,.08)}

/* PAGE HEAD */
.page-head{padding:24px 36px;border-bottom:1px solid var(--rule);display:flex;justify-content:space-between;align-items:center;background:var(--white)}
.page-title{font-family:'DM Serif Display',serif;font-size:24px}
.btn-new{padding:10px 20px;font-family:'DM Sans',sans-serif;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;background:var(--ink);color:var(--white);border:none;cursor:pointer;text-decoration:none;display:inline-block;transition:background .15s}
.btn-new:hover{background:var(--accent)}

/* PAGE BODY */
.page-body{padding:28px 36px;flex:1}

/* STATS GRID */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.stat-card{background:var(--white);border:1px solid var(--rule);padding:20px 22px}
.stat-label{font-size:9px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.stat-count{font-family:'DM Serif Display',serif;font-size:30px;line-height:1;margin-bottom:5px}
.stat-amount{font-size:11px;color:var(--muted)}
.stat-card.upcoming .stat-count{font-size:16px;color:var(--accent);font-family:'DM Sans',sans-serif;font-weight:600;margin-top:4px}

/* SECTION TITLE */
.section-title{font-size:9px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;padding-bottom:9px;border-bottom:1px solid var(--rule)}

/* ACTIVITY */
.activity-list{background:var(--white);border:1px solid var(--rule)}
.activity-row{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--rule);font-size:12px}
.activity-row:last-child{border-bottom:none}
.activity-num{font-weight:600;margin-right:10px}
.activity-client{color:var(--muted)}
.activity-meta{display:flex;align-items:center;gap:14px}
.activity-date{font-size:11px;color:var(--muted)}

/* BADGES */
.badge{display:inline-block;padding:3px 9px;font-size:9px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;border-radius:2px}
.badge-draft{background:#f3f4f6;color:#6b7280}
.badge-sent{background:var(--accent-light);color:var(--accent)}
.badge-paid{background:var(--green-light);color:var(--green)}

/* INVOICE TABLE */
.table-wrap{background:var(--white);border:1px solid var(--rule)}
.filters{display:flex;gap:0;border-bottom:1px solid var(--rule);padding:0 8px}
.filter-btn{padding:11px 14px;font-size:11px;font-weight:600;color:var(--muted);background:none;border:none;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s}
.filter-btn.active{color:var(--ink);border-bottom-color:var(--ink)}
.inv-table{width:100%;border-collapse:collapse}
.inv-table th{padding:10px 14px;font-size:9px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);text-align:left;border-bottom:1px solid var(--rule);background:#faf9f6}
.inv-table td{padding:12px 14px;font-size:12px;border-bottom:1px solid var(--rule);vertical-align:middle}
.inv-table tr:last-child td{border-bottom:none}
.inv-table tr:hover td{background:#fdfcfa}
.inv-num{font-weight:600}
.inv-amount{font-weight:600;text-align:right}
.inv-actions{text-align:right;white-space:nowrap}
.tbl-btn{padding:4px 10px;font-size:9px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--rule);background:var(--white);cursor:pointer;color:var(--ink);margin-left:4px;transition:border-color .15s}
.tbl-btn:hover{border-color:var(--ink)}
.empty{padding:44px;text-align:center;font-size:13px;color:var(--muted);font-style:italic}
select.status-sel{font-family:'DM Sans',sans-serif;font-size:9px;font-weight:600;text-transform:uppercase;border:1px solid var(--rule);padding:4px 8px;background:var(--white);cursor:pointer;color:var(--ink)}

/* FORM PANEL */
.view{display:none}
.view.active{display:block}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.panel-title{font-family:'DM Serif Display',serif;font-size:22px}
.btn-back{padding:8px 16px;font-family:'DM Sans',sans-serif;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;background:none;border:1px solid var(--rule);cursor:pointer;color:var(--muted)}
.btn-back:hover{border-color:var(--ink);color:var(--ink)}
.type-toggle{display:flex;margin-bottom:16px;border:2px solid var(--ink)}
.type-btn{flex:1;padding:11px;font-family:'DM Sans',sans-serif;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;background:var(--white);color:var(--muted);border:none;cursor:pointer;transition:all .15s}
.type-btn.active{background:var(--ink);color:var(--white)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-section{background:var(--white);border:1px solid var(--rule);padding:18px}
.form-section.full{grid-column:1/-1}
.sec-label{font-size:9px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;padding-bottom:9px;border-bottom:1px solid var(--rule)}
.field{margin-bottom:11px}
.field:last-child{margin-bottom:0}
label{display:block;font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
input[type=text],input[type=email],input[type=date],input[type=number],textarea{width:100%;font-family:'DM Sans',sans-serif;font-size:13px;color:var(--ink);background:var(--paper);border:1px solid var(--rule);padding:8px 11px;outline:none;transition:border-color .15s;-webkit-appearance:none}
input:focus,textarea:focus{border-color:var(--accent);background:var(--white)}
input:disabled{background:#ede9e1;color:var(--muted);cursor:default}
textarea{resize:vertical;min-height:52px;line-height:1.5}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:11px}
.amt-bar{background:var(--accent);color:var(--white);padding:12px 16px;display:flex;justify-content:space-between;align-items:center;margin-top:11px}
.amt-label{font-size:10px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;opacity:.7}
.amt-val{font-family:'DM Serif Display',serif;font-size:20px}
.paid-section{display:none}
.paid-section.on{display:block}
.form-actions{display:flex;gap:11px;margin-top:16px}
.btn-save{flex:1;padding:13px 12px;font-family:'DM Sans',sans-serif;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;background:var(--ink);color:var(--white);border:none;cursor:pointer;transition:background .15s}
.btn-save:hover{background:var(--accent)}
.btn-save:disabled{opacity:.6;cursor:default}
.btn-print{flex:1;padding:13px 12px;font-family:'DM Sans',sans-serif;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;background:var(--white);color:var(--ink);border:1px solid var(--rule);cursor:pointer;transition:border-color .15s}
.btn-print:hover{border-color:var(--ink)}

/* CLIENTS */
.client-card{background:var(--white);border:1px solid var(--rule);padding:20px 24px;display:flex;justify-content:space-between;align-items:center}
.client-name{font-weight:600;font-size:15px;margin-bottom:6px}
.client-detail{font-size:12px;color:var(--muted);margin-bottom:2px}

/* DOCUMENT */
.doc-wrap{margin-top:24px}
.preview-head{background:var(--ink);color:var(--white);padding:10px 16px;font-size:9px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;display:flex;justify-content:space-between}
.doc-outer{position:relative;background:var(--white);border:1px solid var(--rule);border-top:none}
.doc{padding:40px 44px;font-family:'DM Sans',sans-serif}
.doc-title{font-family:'DM Serif Display',serif;font-size:28px;color:var(--ink);margin-bottom:3px}
.doc-sub{font-size:11px;color:var(--muted);margin-bottom:24px}
.doc-top{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}
.doc-col-lbl{font-size:9px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin-bottom:5px}
.doc-col-txt{font-size:11px;color:#3a3530;line-height:1.7;font-weight:300}
.doc-meta{display:flex;flex-direction:column}
.doc-meta-row{display:flex;justify-content:space-between;align-items:baseline;padding:6px 0;border-bottom:1px solid var(--rule)}
.doc-meta-row:last-child{border-bottom:none}
.doc-meta-k{font-size:9px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.doc-meta-v{font-size:12px;font-weight:500;color:var(--ink)}
.doc-meta-v.green{color:var(--green);font-weight:600}
table.lines{width:100%;border-collapse:collapse}
table.lines thead tr{background:var(--ink)}
table.lines th{padding:8px 12px;font-size:9px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--white);text-align:left}
table.lines th:not(:first-child){text-align:right}
table.lines tbody tr{border-bottom:1px solid var(--rule)}
table.lines td{padding:11px 12px;font-size:12px;font-weight:300;color:var(--ink)}
table.lines td:not(:first-child){text-align:right;font-weight:500}
.t-row{display:flex;justify-content:space-between;padding:8px 12px;font-size:12px;border-bottom:1px solid var(--rule);background:#faf9f6}
.t-row.dark{background:var(--accent);color:var(--white);font-weight:600;font-size:13px;border-bottom:none}
.t-row.paid-row{background:var(--green-light);color:var(--green);font-weight:600;border-bottom:none}
.t-row.zero{background:var(--green);color:var(--white);font-weight:600;font-size:13px;border-bottom:none}
.receipt-note{margin-top:14px;padding:11px 14px;border-left:3px solid var(--green);background:var(--green-light);font-size:11px;color:var(--green);line-height:1.6}
.doc-footer{margin-top:20px;padding-top:13px;border-top:1px solid var(--rule)}
.doc-footer-email{font-size:11px;color:var(--muted);margin-bottom:11px}
.bank-lbl{font-size:9px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin-bottom:7px}
.bank-body{font-size:11px;color:#3a3530;line-height:1.9;font-weight:300}
.bank-body strong{font-weight:600;color:var(--ink)}
.paid-stamp{display:none;position:absolute;top:52px;right:44px;border:3px solid var(--green);color:var(--green);padding:5px 13px;font-size:14px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;transform:rotate(-15deg);opacity:.4;font-family:'DM Serif Display',serif;pointer-events:none}
.paid-stamp.on{display:block}

/* PRINT */
#printContainer{display:none;padding:14mm 16mm}
@media print{
  @page{margin:0;size:A4}
  body{background:white;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .paid-stamp.on{display:block}
  .t-row.dark{background:var(--accent)!important;color:white!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .t-row.paid-row{background:var(--green-light)!important;color:var(--green)!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .t-row.zero{background:var(--green)!important;color:white!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  table.lines thead tr{background:var(--ink)!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  table.lines thead th{color:white!important}
  .receipt-note{background:var(--green-light)!important;border-left:3px solid var(--green)!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
}