/* FacturaPro — Design System */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --sw:220px;
  --bg:#FAFAFA;--surface:#fff;--surface2:#F5F5F5;
  --text1:#0A0A0A;--text2:#525252;--text3:#A3A3A3;
  --border:#E5E5E5;--border-s:#D4D4D4;
  --accent:#0A0A0A;--blue:#2563EB;--blue-h:#1D4ED8;--blue-bg:#EFF6FF;
  --green:#16A34A;--green-bg:#F0FDF4;
  --red:#DC2626;--red-bg:#FEF2F2;
  --amber:#D97706;--amber-bg:#FFFBEB;
  --r:8px;--r-lg:10px;
  --mono:'SF Mono','Fira Code','Fira Mono',monospace;
}
html{font-size:14px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text1);line-height:1.5;-webkit-font-smoothing:antialiased}

/* ── LAYOUT ── */
.layout{display:flex;min-height:100vh}
.sidebar{width:var(--sw);position:fixed;top:0;left:0;height:100vh;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:100}
.sidebar-top{border-bottom:1px solid var(--border)}
.sidebar-logo{height:56px;display:flex;align-items:center;padding:0 16px;gap:9px;text-decoration:none;color:var(--text1)}
.logo-mark{width:22px;height:22px;background:var(--accent);border-radius:5px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-name{font-size:14px;font-weight:600;letter-spacing:-.2px}
.sidebar-nav{flex:1;padding:8px;overflow-y:auto}
.nav-section{font-size:10.5px;font-weight:500;color:var(--text3);letter-spacing:.7px;text-transform:uppercase;padding:12px 10px 4px}
.nav-link{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:6px;color:var(--text2);text-decoration:none;font-size:13.5px;font-weight:400;transition:background .1s,color .1s;cursor:pointer;border:none;background:transparent;width:100%;text-align:left;margin-bottom:1px}
.nav-link svg{flex-shrink:0;color:var(--text3)}
.nav-link:hover{background:var(--surface2);color:var(--text1)}
.nav-link:hover svg,.nav-link.active svg{color:var(--text2)}
.nav-link.active{background:var(--surface2);color:var(--text1);font-weight:500}
.sidebar-foot{padding:8px;border-top:1px solid var(--border)}
.sidebar-user{display:flex;align-items:center;gap:9px;padding:8px 10px;margin-bottom:2px}
.s-avatar{width:28px;height:28px;background:var(--surface2);border:1px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10.5px;font-weight:600;color:var(--text2);flex-shrink:0}
.s-name{font-size:13px;font-weight:500;color:var(--text1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:130px}
.s-email{font-size:11px;color:var(--text3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:130px}
.main{margin-left:var(--sw);flex:1;display:flex;flex-direction:column;min-height:100vh}

/* ── PAGE ── */
.page{padding:28px;max-width:1080px}
.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px;gap:12px}
.page-title{font-size:20px;font-weight:600;letter-spacing:-.4px}
.page-sub{font-size:13px;color:var(--text3);margin-top:3px}
.page-actions{display:flex;gap:8px;flex-shrink:0}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:0 13px;height:32px;border-radius:6px;font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:background .12s,border-color .12s,color .12s;text-decoration:none;white-space:nowrap;letter-spacing:-.1px;flex-shrink:0;vertical-align:middle}
.btn-sm{height:26px;padding:0 10px;font-size:12px;border-radius:5px}
.btn-lg{height:38px;padding:0 20px;font-size:14px;width:100%}
.btn-dark{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-dark:hover{background:#1a1a1a}
.btn-blue{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-blue:hover{background:var(--blue-h);border-color:var(--blue-h)}
.btn-outline{background:var(--surface);color:var(--text1);border-color:var(--border-s)}
.btn-outline:hover{background:var(--surface2)}
.btn-ghost{background:transparent;color:var(--text2);border-color:transparent}
.btn-ghost:hover{background:var(--surface2);color:var(--text1)}
.btn-red-ghost{background:transparent;color:var(--red);border-color:transparent}
.btn-red-ghost:hover{background:var(--red-bg)}
button:disabled,.btn:disabled{opacity:.4;pointer-events:none}

/* ── CARDS ── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);margin-bottom:16px}
.card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}
.card-title{font-size:13.5px;font-weight:600;letter-spacing:-.1px}
.card-body{padding:18px}
.card-sub{font-size:12px;color:var(--text3);margin-top:1px}

/* ── STATS ── */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:16px 18px}
.stat-label{font-size:11.5px;color:var(--text3);font-weight:500;margin-bottom:6px}
.stat-value{font-size:22px;font-weight:600;letter-spacing:-.5px}
.stat-detail{font-size:12px;color:var(--text3);margin-top:3px}

/* ── TABLES ── */
.table-wrap{overflow-x:auto;border-radius:0 0 var(--r-lg) var(--r-lg)}
table{width:100%;border-collapse:collapse}
thead th{padding:10px 16px;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.5px;color:var(--text3);border-bottom:1px solid var(--border);text-align:left;white-space:nowrap;background:var(--surface)}
tbody td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:13.5px;vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#FAFAFA}
.td-mono{font-family:var(--mono);font-size:12px;color:var(--text2)}
.td-muted{color:var(--text3);font-size:12.5px}
.td-bold{font-weight:600}
.td-actions{display:flex;align-items:center;gap:4px;white-space:nowrap}

/* ── BADGES ── */
.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 7px;border-radius:4px;font-size:11.5px;font-weight:500}
.badge::before{content:'';display:block;width:5px;height:5px;border-radius:50%;flex-shrink:0}
.badge-green{background:var(--green-bg);color:var(--green)}.badge-green::before{background:var(--green)}
.badge-blue{background:var(--blue-bg);color:var(--blue)}.badge-blue::before{background:var(--blue)}
.badge-red{background:var(--red-bg);color:var(--red)}.badge-red::before{background:var(--red)}
.badge-gray{background:var(--surface2);color:var(--text3)}.badge-gray::before{background:var(--text3)}

/* ── FORMS ── */
.form-group{margin-bottom:14px}
.form-group:last-child{margin-bottom:0}
label{display:block;font-size:13px;font-weight:500;margin-bottom:5px;color:var(--text1)}
.label-hint{font-size:12px;font-weight:400;color:var(--text3);margin-left:4px}
input[type=text],input[type=email],input[type=number],input[type=date],input[type=password],select,textarea{width:100%;height:34px;padding:0 10px;border:1px solid var(--border-s);border-radius:6px;font-family:inherit;font-size:13.5px;color:var(--text1);background:var(--surface);outline:none;transition:border-color .12s,box-shadow .12s;-webkit-appearance:none;appearance:none}
textarea{height:auto;padding:8px 10px;resize:vertical;min-height:68px}
input:focus,select:focus,textarea:focus{border-color:var(--text1);box-shadow:0 0 0 2px rgba(0,0,0,.06)}
input::placeholder,textarea::placeholder{color:var(--text3)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}

/* ── MODAL ── */
.modal-back{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}
.modal{background:var(--surface);border-radius:var(--r-lg);border:1px solid var(--border);width:100%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:0 8px 32px rgba(0,0,0,.12)}
.modal-lg{max-width:700px}
.modal-head{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:14px;font-weight:600;letter-spacing:-.1px}
.modal-body{padding:18px}
.modal-foot{padding:12px 18px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
.btn-x{width:28px;height:28px;border-radius:5px;background:transparent;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text3);transition:background .1s;font-size:18px;line-height:1}
.btn-x:hover{background:var(--surface2);color:var(--text1)}

/* ── AUTH ── */
.auth-page{min-height:100vh;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:24px}
.auth-box{width:100%;max-width:356px}
.auth-brand{display:flex;align-items:center;gap:9px;margin-bottom:32px}
.auth-brand-mark{width:26px;height:26px;background:var(--accent);border-radius:6px;display:flex;align-items:center;justify-content:center}
.auth-brand-name{font-size:15px;font-weight:600;letter-spacing:-.2px}
.auth-title{font-size:21px;font-weight:600;letter-spacing:-.4px;margin-bottom:4px}
.auth-sub{font-size:13.5px;color:var(--text2);margin-bottom:26px}
.auth-foot{margin-top:18px;font-size:13px;color:var(--text3);text-align:center}
.auth-foot a{color:var(--text1);font-weight:500}

/* ── ALERTS ── */
.alert{padding:10px 12px;border-radius:6px;font-size:13px;margin-bottom:14px;line-height:1.4}
.alert-error{background:var(--red-bg);border:1px solid #FECACA;color:#B91C1C}
.alert-success{background:var(--green-bg);border:1px solid #BBF7D0;color:#15803D}
.alert-info{background:var(--blue-bg);border:1px solid #BFDBFE;color:#1D4ED8}

/* ── FLASH ── */
.flash{position:fixed;top:16px;right:16px;z-index:9999;padding:12px 16px;border-radius:var(--r);font-size:13px;font-weight:500;box-shadow:0 4px 16px rgba(0,0,0,.12);display:flex;align-items:center;gap:8px;max-width:360px}
.flash-success{background:#fff;border:1px solid var(--green);color:var(--green)}
.flash-error{background:#fff;border:1px solid var(--red);color:var(--red)}

/* ── ITEMS TABLE ── */
.items-table{border:1px solid var(--border);border-radius:var(--r);overflow:hidden;margin-bottom:12px}
.items-table table{margin:0}
.items-table thead th{background:var(--surface2)}
.item-td{padding:8px 12px!important}
.item-in{border:none!important;box-shadow:none!important;border-radius:0!important;background:transparent!important;padding:0!important;height:28px!important;font-size:13px!important;width:100%}
.item-in:focus{border:none!important;box-shadow:none!important;outline:none!important}
.row-del{width:22px;height:22px;border:none;background:transparent;cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;color:var(--text3);transition:background .1s,color .1s;font-size:16px;line-height:1}
.row-del:hover{background:var(--red-bg);color:var(--red)}

/* ── TOTALS ── */
.totals{border:1px solid var(--border);border-radius:var(--r);overflow:hidden}
.totals-row{display:flex;justify-content:space-between;padding:10px 14px;font-size:13.5px;border-bottom:1px solid var(--border)}
.totals-row:last-child{border-bottom:none}
.totals-row.final{background:var(--surface2);font-weight:600;font-size:14px}
.totals-row .l{color:var(--text2)}

/* ── FILTERS ── */
.filters{display:flex;gap:4px;flex-wrap:wrap}
.filter{height:28px;padding:0 12px;border-radius:20px;font-size:12.5px;font-weight:500;border:1px solid transparent;background:transparent;color:var(--text2);cursor:pointer;transition:background .1s,border-color .1s;font-family:inherit}
.filter:hover{background:var(--surface2)}
.filter.on{background:var(--surface);border-color:var(--border-s);color:var(--text1)}

/* ── EMPTY ── */
.empty{text-align:center;padding:44px 20px}
.empty svg{display:block;margin:0 auto 10px;color:var(--text3)}
.empty-title{font-size:14px;font-weight:500;margin-bottom:3px}
.empty-sub{font-size:13px;color:var(--text3)}

/* ── INVOICE LAYOUT ── */
.inv-grid{display:grid;grid-template-columns:1fr 300px;gap:16px;align-items:start}
.sticky-side{position:sticky;top:16px;display:flex;flex-direction:column;gap:12px}

/* ── SEARCH ── */
.search-box{width:260px}

/* ── BAR CHART ── */
.bar-chart{display:flex;align-items:flex-end;gap:8px;height:80px}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}
.bar-val{font-size:10px;color:var(--text3);font-weight:500;min-height:14px}
.bar-fill{width:100%;background:var(--surface2);border-radius:3px 3px 0 0;min-height:3px}
.bar-fill.filled{background:var(--accent)}
.bar-label{font-size:10px;color:var(--text3)}
.divider{height:1px;background:var(--border);margin:12px 0}

/* ── PAYPAL BLOCK ── */
.pp-block{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:16px}
.pp-title{font-size:13px;font-weight:600;margin-bottom:4px}
.pp-sub{font-size:12px;color:var(--text3);margin-bottom:12px;line-height:1.4}
.pp-note{font-size:11px;color:var(--text3);margin-top:8px;line-height:1.4}
.pp-ref{font-family:var(--mono);font-size:11px;background:var(--surface2);padding:1px 5px;border-radius:3px}

/* ── PRINT INVOICE ── */
@media print{
  body{background:#fff}
  .no-print{display:none!important}
  .inv-print{max-width:100%;padding:0}
}
.inv-print{max-width:700px;margin:0 auto;padding:32px;background:#fff;font-size:13px}
.inv-print-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:36px}
.inv-print-co h1{font-size:20px;font-weight:700;letter-spacing:-.3px;margin-bottom:4px}
.inv-print-co p{font-size:12px;color:#525252;line-height:1.6}
.inv-print-num{text-align:right}
.inv-print-num .type{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:#A3A3A3;margin-bottom:4px}
.inv-print-num .num{font-size:22px;font-weight:700;letter-spacing:-.3px}
.inv-print-parties{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:32px}
.inv-print-party .lbl{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:#A3A3A3;margin-bottom:6px}
.inv-print-party p{font-size:12.5px;line-height:1.6}
.inv-print table{width:100%;border-collapse:collapse;margin-bottom:20px}
.inv-print thead th{padding:8px 12px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:#A3A3A3;border-bottom:1px solid #E5E5E5;text-align:left}
.inv-print tbody td{padding:10px 12px;border-bottom:1px solid #F5F5F5;font-size:13px}
.inv-print tbody tr:last-child td{border-bottom:none}
.inv-print-totals{display:flex;justify-content:flex-end}
.inv-print-totals table{width:260px}
.inv-print-totals td{padding:7px 12px;font-size:13px}
.inv-print-totals .final td{font-weight:700;font-size:14px;border-top:1px solid #E5E5E5;padding-top:10px}
.inv-print-notes{margin-top:28px;padding-top:16px;border-top:1px solid #E5E5E5}
.inv-print-notes .lbl{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:#A3A3A3;margin-bottom:6px}
.inv-print-notes p{font-size:12px;color:#525252;line-height:1.6}
.print-status{display:inline-block;padding:4px 10px;border-radius:4px;font-size:11px;font-weight:600;margin-top:4px}

/* ── UTILS ── */
.flex{display:flex}.ic{align-items:center}.jb{justify-content:space-between}
.gap1{gap:4px}.gap2{gap:8px}.gap3{gap:12px}.gap4{gap:16px}
.mb2{margin-bottom:8px}.mb3{margin-bottom:12px}.mb4{margin-bottom:16px}.mb5{margin-bottom:20px}.mb6{margin-bottom:24px}
.mt1{margin-top:4px}.mt2{margin-top:8px}
.c2{color:var(--text2)}.c3{color:var(--text3)}
.sm{font-size:12.5px}.xs{font-size:11.5px}.fw5{font-weight:500}.fw6{font-weight:600}
.mono{font-family:var(--mono);font-size:12px}
.nowrap{white-space:nowrap}.w100{width:100%}
.link{color:var(--blue);text-decoration:none;font-weight:500}
.link:hover{text-decoration:underline;text-underline-offset:2px}

/* Scrollbar */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-s);border-radius:3px}