/* ============================================================
   BizTools Design System — premium, mobile-first, professional
   ============================================================ */
:root{
  --bg:#f3f5fa;
  --card:#ffffff;
  --ink:#0f1b2d;
  --ink2:#334155;
  --muted:#64748b;
  --line:#e7ebf3;
  --accent:#4f46e5;
  --accent2:#7c3aed;
  --ok:#16a34a;
  --ok-bg:#dcfce7;
  --warn:#d97706;
  --warn-bg:#fef3c7;
  --bad:#dc2626;
  --bad-bg:#fee2e2;
  --info:#0284c7;
  --info-bg:#e0f2fe;
  --r:18px;
  --r-sm:12px;
  --shadow:0 1px 2px rgba(15,27,45,.05),0 8px 24px -12px rgba(15,27,45,.12);
  --shadow-lg:0 2px 4px rgba(15,27,45,.06),0 20px 44px -16px rgba(15,27,45,.22);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,'Noto Sans',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:
    radial-gradient(1100px 320px at 85% -60px, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    radial-gradient(900px 300px at -10% 0%, color-mix(in srgb, var(--accent2) 10%, transparent), transparent 60%),
    var(--bg);
  color:var(--ink);
  min-height:100vh;
  line-height:1.55;
  font-size:15.5px;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px 90px}

/* ---------- top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(255,255,255,.82);
  border-bottom:1px solid var(--line);
}
.topbar-inner{max-width:1120px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-size:19px;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow:0 6px 14px -6px color-mix(in srgb, var(--accent) 70%, transparent);
}
.back-link{
  display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:14px;color:var(--ink2);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 15px;
  box-shadow:var(--shadow);white-space:nowrap;
}
.back-link:hover{text-decoration:none;border-color:var(--accent);color:var(--accent)}

/* ---------- hero ---------- */
.hero{
  margin:26px 0 24px;border-radius:26px;color:#fff;overflow:hidden;position:relative;
  background:linear-gradient(120deg,var(--accent),var(--accent2));
  box-shadow:var(--shadow-lg);
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background:
    radial-gradient(420px 200px at 90% 10%, rgba(255,255,255,.28), transparent 60%),
    radial-gradient(360px 240px at 8% 95%, rgba(0,0,0,.18), transparent 60%);
}
.hero-inner{position:relative;padding:30px 28px;display:flex;gap:18px;align-items:center}
.hero-icon{
  font-size:44px;line-height:1;flex:0 0 auto;
  width:84px;height:84px;border-radius:22px;display:grid;place-items:center;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);
  backdrop-filter:blur(6px);
}
.hero h1{font-size:clamp(21px,3.4vw,30px);font-weight:800;letter-spacing:-.02em;line-height:1.2}
.hero p{opacity:.92;font-size:14.5px;margin-top:6px;max-width:640px}
.hero .today-chip{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;
}

/* ---------- stat cards ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin:0 0 22px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:16px 18px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.stat::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(var(--accent),var(--accent2));opacity:.85;
}
.stat .lbl{font-size:12.5px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.stat .val{
  font-size:26px;font-weight:800;letter-spacing:-.02em;margin-top:4px;
  background:linear-gradient(120deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .val.plain{color:var(--ink);-webkit-text-fill-color:var(--ink);background:none}
.stat .sub{font-size:13px;color:var(--muted);margin-top:2px}
.stat .ico{position:absolute;right:12px;top:12px;font-size:22px;opacity:.28}

/* ---------- cards & sections ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);padding:22px;margin-bottom:20px;
}
.card h2,.card h3{letter-spacing:-.01em}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.card-head h2{font-size:18px;font-weight:750}
.card-head h3{font-size:16px;font-weight:700}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:820px){.grid2,.grid3{grid-template-columns:1fr}}

/* ---------- forms ---------- */
.f-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.f-row{display:flex;gap:12px;flex-wrap:wrap}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field.full{grid-column:1/-1}
label{font-size:13.5px;font-weight:650;color:var(--ink2)}
input,select,textarea{
  font:inherit;font-size:15px;color:var(--ink);
  background:#fbfcfe;border:1.5px solid var(--line);border-radius:var(--r-sm);
  padding:11px 13px;width:100%;transition:border-color .15s, box-shadow .15s, background .15s;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--accent);background:#fff;
  box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent);
}
textarea{min-height:86px;resize:vertical}
.hint{font-size:12.5px;color:var(--muted)}
input[type="date"],input[type="time"]{min-height:46px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font:inherit;font-weight:700;font-size:14.5px;cursor:pointer;border:none;
  padding:12px 20px;border-radius:13px;transition:transform .08s, box-shadow .15s, filter .15s;
  white-space:nowrap;
}
.btn:active{transform:scale(.97)}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow:0 8px 18px -8px color-mix(in srgb, var(--accent) 75%, transparent);
}
.btn-primary:hover{filter:brightness(1.06);text-decoration:none;color:#fff}
.btn-ghost{background:#fff;border:1.5px solid var(--line);color:var(--ink2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.btn-danger{background:var(--bad-bg);color:var(--bad);border:1.5px solid #fecaca}
.btn-danger:hover{background:#fecaca;text-decoration:none}
.btn-ok{background:var(--ok-bg);color:var(--ok);border:1.5px solid #bbf7d0}
.btn-sm{padding:8px 13px;font-size:13.5px;border-radius:10px}
.btn-block{width:100%}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
thead th{
  text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);
  padding:12px 14px;background:#f8fafc;border-bottom:1px solid var(--line);white-space:nowrap;
  position:sticky;top:0;
}
tbody td{padding:12px 14px;border-bottom:1px solid #f1f4f9;vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#f8fafd}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
td.amt{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
tr.total-row td{background:#f8fafc;font-weight:800;border-top:2px solid var(--line)}

/* ---------- badges / pills ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
  padding:4px 11px;border-radius:999px;white-space:nowrap;
}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.b-ok{background:var(--ok-bg);color:#15803d}
.b-warn{background:var(--warn-bg);color:#b45309}
.b-bad{background:var(--bad-bg);color:#b91c1c}
.b-info{background:var(--info-bg);color:#0369a1}
.b-neutral{background:#f1f5f9;color:#475569}

/* ---------- lists ---------- */
.item-list{display:flex;flex-direction:column;gap:10px}
.item{
  display:flex;align-items:center;gap:14px;padding:13px 15px;
  border:1px solid var(--line);border-radius:14px;background:#fff;flex-wrap:wrap;
}
.item:hover{border-color:color-mix(in srgb, var(--accent) 40%, var(--line))}
.item-main{flex:1;min-width:180px}
.item-title{font-weight:700;font-size:15px}
.item-sub{font-size:13px;color:var(--muted);margin-top:2px}
.item-side{display:flex;align-items:center;gap:10px;margin-left:auto}
.empty{
  text-align:center;padding:38px 20px;color:var(--muted);
  border:2px dashed var(--line);border-radius:var(--r);background:#fbfcfe;
}
.empty .big{font-size:40px;margin-bottom:8px}
.empty p{font-size:14.5px}

/* ---------- toast ---------- */
#toasts{position:fixed;top:16px;right:16px;z-index:200;display:flex;flex-direction:column;gap:10px;max-width:min(360px,90vw)}
.toast{
  background:#0f1b2d;color:#fff;padding:13px 17px;border-radius:13px;font-size:14px;font-weight:600;
  box-shadow:var(--shadow-lg);display:flex;gap:10px;align-items:center;
  animation:slidein .25s ease-out;border-left:4px solid var(--accent);
}
.toast.ok{border-left-color:var(--ok)}
.toast.err{border-left-color:var(--bad)}
@keyframes slidein{from{transform:translateX(30px);opacity:0}to{transform:none;opacity:1}}

/* ---------- modal ---------- */
.modal-back{
  position:fixed;inset:0;background:rgba(15,27,45,.5);z-index:150;display:none;
  align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(3px);
}
.modal-back.open{display:flex}
.modal{background:#fff;border-radius:20px;max-width:420px;width:100%;padding:26px;box-shadow:var(--shadow-lg);animation:pop .18s ease-out}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:none;opacity:1}}
.modal h3{font-size:17px;margin-bottom:8px}
.modal p{font-size:14.5px;color:var(--muted);margin-bottom:18px}

/* ---------- quote / invoice paper ---------- */
.paper{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:30px;box-shadow:var(--shadow);max-width:760px;margin:0 auto 20px;
}
.paper-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:20px;flex-wrap:wrap}
.paper-title{font-size:22px;font-weight:800;letter-spacing:-.02em}
.paper-meta{font-size:13.5px;color:var(--muted);text-align:right}
.paper table{min-width:0}
.paper .grand{font-size:20px;font-weight:800;color:var(--accent)}

/* ---------- tabs ---------- */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.tab{
  padding:10px 18px;border-radius:999px;font-weight:650;font-size:14px;cursor:pointer;
  background:#fff;border:1.5px solid var(--line);color:var(--ink2);
}
.tab.active{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-color:transparent;
  box-shadow:0 6px 14px -8px color-mix(in srgb, var(--accent) 70%, transparent)}
.tab:hover{text-decoration:none}

/* ---------- misc ---------- */
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:14.5px}
.kv dt{color:var(--muted);font-weight:600}
.kv dd{font-weight:650}
.progress{height:9px;border-radius:99px;background:#eef1f6;overflow:hidden}
.progress>div{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent2))}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.toolbar .spacer{flex:1}
.searchbar{position:relative;flex:1;min-width:200px;max-width:360px}
.searchbar input{padding-left:40px}
.searchbar .s-ico{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted)}
.section-title{font-size:20px;font-weight:800;letter-spacing:-.02em;margin:34px 0 6px;display:flex;align-items:center;gap:10px}
.section-sub{color:var(--muted);font-size:14px;margin-bottom:16px}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.tool-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;
  box-shadow:var(--shadow);display:flex;gap:14px;align-items:flex-start;
  transition:transform .12s, box-shadow .15s, border-color .15s;color:var(--ink);
}
.tool-card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb, var(--accent) 45%, var(--line))}
.tool-card .t-ico{
  width:52px;height:52px;flex:0 0 52px;border-radius:15px;display:grid;place-items:center;font-size:26px;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
}
.tool-card .t-name{font-weight:750;font-size:15px;line-height:1.35}
.tool-card .t-tag{font-size:13px;color:var(--muted);margin-top:3px}
.hero-landing{text-align:center;padding:52px 20px 10px}
.hero-landing h1{font-size:clamp(28px,5vw,44px);font-weight:850;letter-spacing:-.03em}
.hero-landing h1 .grad{background:linear-gradient(120deg,#4f46e5,#a855f7,#ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-landing p{color:var(--muted);font-size:16px;max-width:640px;margin:12px auto 0}
.cat-chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:750;padding:7px 15px;border-radius:999px;color:#fff;margin-bottom:4px}
.footer{margin-top:60px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:13.5px;text-align:center}
.inline-form{display:inline}
.link-danger{color:var(--bad);font-size:13.5px;font-weight:600;background:none;border:none;cursor:pointer;font-family:inherit;padding:0}
.link-danger:hover{text-decoration:underline}
.big-result{
  text-align:center;padding:26px;border-radius:var(--r);color:#fff;margin:18px 0;
  background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:var(--shadow-lg);
}
.big-result .r-lbl{font-size:13px;text-transform:uppercase;letter-spacing:.08em;opacity:.85;font-weight:700}
.big-result .r-val{font-size:clamp(30px,6vw,46px);font-weight:850;letter-spacing:-.02em;margin:6px 0}
.big-result .r-sub{font-size:14px;opacity:.9}
.note{background:var(--info-bg);border:1px solid #bae6fd;color:#0c4a6e;border-radius:var(--r-sm);padding:12px 15px;font-size:14px;margin:14px 0}
.note.warn{background:var(--warn-bg);border-color:#fde68a;color:#92400e}

/* ---------- print ---------- */
@media print{
  .topbar,.btn-row,.toolbar,.no-print,#toasts,.tabs{display:none!important}
  body{background:#fff}
  .wrap{max-width:none;padding:0}
  .card,.paper{box-shadow:none;break-inside:avoid}
  .hero{box-shadow:none}
}
@media(max-width:640px){
  .hero-inner{padding:22px 20px}
  .hero-icon{width:64px;height:64px;font-size:34px;border-radius:17px}
  .card{padding:17px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat .val{font-size:21px}
  .btn{padding:12px 16px}
  .paper{padding:20px 16px}
}