:root{
  --ink:#1c1a17;
  --ink-soft:#5a554d;
  --paper:#f6f3ec;
  --card:#fffdf8;
  --line:#e4ded2;
  --accent:#9a3b2e;       /* terracotta */
  --accent-soft:#f0e2dd;
  --gold:#b08832;
  --green:#3f6b4e;
  --blue:#2f5673;
  --shadow:0 1px 2px rgba(28,26,23,.04),0 8px 24px rgba(28,26,23,.06);
  --radius:14px;
  --font-display:'Fraunces',Georgia,serif;
  --font-body:'Spline Sans',-apple-system,system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-body);background:var(--paper);color:var(--ink);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}

.app{display:flex;min-height:100vh}

/* ---------- Sidebar ---------- */
.sidebar{width:248px;background:var(--ink);color:#e8e2d6;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.brand{display:flex;align-items:center;gap:12px;padding:22px 20px 18px}
.brand-logo{width:40px;height:40px;object-fit:contain;flex-shrink:0;filter:drop-shadow(0 2px 6px rgba(157,72,224,.4))}
.login-logo{width:64px;height:64px;object-fit:contain;margin-bottom:16px;filter:drop-shadow(0 4px 12px rgba(157,72,224,.35))}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--accent);color:#fff;display:grid;place-items:center;font-family:var(--font-display);font-weight:600;font-size:20px}
.brand-name{font-family:var(--font-display);font-size:18px;font-weight:600;letter-spacing:.2px}
.brand-sub{font-size:11px;color:#9c9586;margin-top:1px}
.nav{flex:1;overflow-y:auto;padding:8px 12px}
.nav a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:9px;color:#cfc8ba;font-size:14px;font-weight:500;margin-bottom:2px;transition:.15s}
.nav a span{width:18px;text-align:center;opacity:.8;font-size:14px}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.active{background:var(--accent);color:#fff}
.nav a.active span{opacity:1}
.nav-label{font-size:10.5px;text-transform:uppercase;letter-spacing:1.4px;color:#7d7669;padding:14px 14px 6px;font-weight:600}
.sidebar-foot{padding:14px;border-top:1px solid rgba(255,255,255,.08)}
.user-chip{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--gold);color:#1c1a17;display:grid;place-items:center;font-weight:600}
.user-name{font-size:13.5px;font-weight:500;color:#fff}
.user-role{font-size:11px;color:#9c958e}
.logout{display:block;text-align:center;font-size:13px;padding:8px;border:1px solid rgba(255,255,255,.14);border-radius:8px;color:#cfc8ba}
.logout:hover{background:rgba(255,255,255,.06);color:#fff}

/* ---------- Main ---------- */
.main{margin-left:248px;flex:1;padding:32px 40px 60px;max-width:1280px}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:26px;flex-wrap:wrap;gap:16px}
.page-title{font-family:var(--font-display);font-size:30px;font-weight:600;letter-spacing:-.3px}
.page-sub{color:var(--ink-soft);font-size:14px;margin-top:3px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:9px;font-family:var(--font-body);font-size:14px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:.15s;background:var(--card);color:var(--ink);border-color:var(--line)}
.btn:hover{border-color:#cabfa9}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:#84301f;border-color:#84301f}
.btn-sm{padding:6px 11px;font-size:13px}
.btn-ghost{background:transparent;border-color:transparent;color:var(--ink-soft)}
.btn-ghost:hover{background:rgba(0,0,0,.04)}
.btn-danger{color:var(--accent);border-color:var(--accent-soft)}
.btn-danger:hover{background:var(--accent-soft)}

/* ---------- Cards & stats ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:22px 24px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;right:-20px;top:-20px;width:80px;height:80px;border-radius:50%;background:var(--accent-soft);opacity:.5}
.stat-label{font-size:12.5px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.6px;font-weight:500}
.stat-value{font-family:var(--font-display);font-size:28px;font-weight:600;margin-top:8px;position:relative}
.stat-meta{font-size:12.5px;color:var(--ink-soft);margin-top:4px}

/* ---------- Tables ---------- */
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.7px;color:var(--ink-soft);font-weight:600;padding:13px 18px;background:#faf7f0;border-bottom:1px solid var(--line)}
td{padding:13px 18px;border-bottom:1px solid var(--line);font-size:14px}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#faf8f2}
.t-right{text-align:right}
.t-center{text-align:center}
.muted{color:var(--ink-soft)}
.mono{font-variant-numeric:tabular-nums}
.empty{padding:48px 20px;text-align:center;color:var(--ink-soft)}
.empty-big{font-family:var(--font-display);font-size:18px;color:var(--ink);margin-bottom:6px}

/* ---------- Badges ---------- */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11.5px;font-weight:600;letter-spacing:.3px}
.badge-draft{background:#ece8df;color:#6a6357}
.badge-sent{background:#e0eaf1;color:var(--blue)}
.badge-accepted{background:#e3eee6;color:var(--green)}
.badge-paid{background:#e3eee6;color:var(--green)}
.badge-cancelled{background:#f3ddd8;color:var(--accent)}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 22px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:500;color:var(--ink-soft)}
input,select,textarea{font-family:var(--font-body);font-size:14px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea{resize:vertical;min-height:80px}
.form-actions{display:flex;gap:10px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}

/* ---------- Line items editor ---------- */
.items-table input{padding:8px 10px}
.items-table td{padding:8px 8px}
.line-total{font-variant-numeric:tabular-nums;font-weight:500}
.totals{margin-left:auto;width:300px;margin-top:18px}
.totals .row{display:flex;justify-content:space-between;padding:7px 0;font-size:14px}
.totals .grand{border-top:2px solid var(--ink);margin-top:6px;padding-top:12px;font-family:var(--font-display);font-size:20px;font-weight:600}

/* ---------- Flash ---------- */
.flash{padding:13px 18px;border-radius:10px;margin-bottom:18px;font-size:14px;font-weight:500}
.flash-success{background:#e3eee6;color:var(--green);border:1px solid #c5dccd}
.flash-error{background:#f3ddd8;color:var(--accent);border:1px solid #e6c4bc}

/* ---------- Toolbar ---------- */
.toolbar{display:flex;gap:10px;margin-bottom:18px;align-items:center;flex-wrap:wrap}
.toolbar .search{flex:1;max-width:340px}
.tabs{display:flex;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:4px}
.tabs a{padding:7px 14px;border-radius:7px;font-size:13.5px;font-weight:500;color:var(--ink-soft)}
.tabs a.active{background:var(--accent);color:#fff}

.row-actions{display:flex;gap:6px;justify-content:flex-end}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;width:100%;background:radial-gradient(circle at 30% 20%,#fffdf8,var(--paper))}
.login-card{width:380px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:38px 34px;box-shadow:var(--shadow)}
.login-card .brand-mark{width:48px;height:48px;font-size:26px;margin-bottom:18px}
.login-card h1{font-family:var(--font-display);font-size:26px;margin-bottom:4px}
.login-card p{color:var(--ink-soft);font-size:14px;margin-bottom:24px}
.login-card .field{margin-bottom:16px}
.hint{font-size:12.5px;color:var(--ink-soft);text-align:center;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}

@media(max-width:860px){
  .sidebar{width:64px}
  .brand-name,.brand-sub,.nav a span+*,.nav-label,.user-name,.user-role,.logout{display:none}
  .main{margin-left:64px;padding:22px 18px}
  .form-grid{grid-template-columns:1fr}
}