/* SnapInvoice frontend — clean SaaS theme */
:root{
  --bg:#f8fafc; --card:#ffffff; --ink:#0f172a; --muted:#64748b; --line:#e2e8f0;
  --brand:#4f46e5; --brand-d:#4338ca; --green:#16a34a; --red:#dc2626; --amber:#d97706;
  --radius:12px; --shadow:0 1px 3px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;}
a{color:var(--brand);text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
/* top nav (landing) */
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.logo{font-weight:800;font-size:20px;color:var(--ink)}
.logo span{color:var(--brand)}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:12px 22px;font-weight:600;cursor:pointer;font-size:15px}
.btn:hover{background:var(--brand-d)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.small{padding:8px 14px;font-size:13px}
.btn.danger{background:var(--red)}
.btn:disabled{opacity:.5;cursor:not-allowed}
/* hero */
.hero{text-align:center;padding:72px 0 48px}
.hero h1{font-size:48px;margin:0 0 16px;letter-spacing:-1px}
.hero p.sub{font-size:19px;color:var(--muted);max-width:620px;margin:0 auto 28px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:40px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.card h3{margin:0 0 8px;font-size:17px}
.card p{color:var(--muted);margin:0;font-size:14px;line-height:1.6}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:32px 0}
.price{font-size:36px;font-weight:800;margin:8px 0}
.price small{font-size:14px;color:var(--muted);font-weight:400}
ul.tick{list-style:none;padding:0;margin:16px 0}
ul.tick li{padding:6px 0;color:var(--muted);font-size:14px}
ul.tick li::before{content:"✓ ";color:var(--green);font-weight:700}
.faq{max-width:700px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 20px;margin:10px 0}
.faq summary{font-weight:600;cursor:pointer}
footer.site{border-top:1px solid var(--line);margin-top:64px;padding:28px 0;color:var(--muted);font-size:13px;text-align:center}
/* app layout */
.app{display:flex;min-height:100vh}
.side{width:230px;background:#0f172a;color:#cbd5e1;padding:24px 14px;flex-shrink:0}
.side .logo{color:#fff;margin-bottom:28px;display:block;padding:0 10px}
.side a{display:block;color:#cbd5e1;padding:10px 12px;border-radius:8px;font-size:14px;margin:2px 0}
.side a:hover{background:#1e293b;color:#fff}
.side a.active{background:#1e293b;color:#fff;font-weight:600}
.main{flex:1;padding:28px;min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.topbar h2{margin:0;font-size:22px}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge.draft{background:#e2e8f0;color:#475569}.badge.sent{background:#dbeafe;color:#1d4ed8}
.badge.viewed{background:#fef3c7;color:#b45309}.badge.paid{background:#dcfce7;color:#15803d}
.badge.overdue{background:#fee2e2;color:#b91c1c}.badge.pro{background:#ede9fe;color:#6d28d9}
/* forms */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.input,select.input,textarea.input{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px;font-family:inherit}
.input:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.ferr{color:var(--red);font-size:12px;margin-top:4px;min-height:16px}
.form-card{max-width:420px;margin:60px auto;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--shadow)}
.form-card h2{margin:0 0 6px}.form-card p.m{color:var(--muted);font-size:14px;margin:0 0 20px}
/* tables */
table.tbl{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.tbl th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);padding:12px 14px;border-bottom:1px solid var(--line);background:#f8fafc}
.tbl td{padding:13px 14px;border-bottom:1px solid var(--line);font-size:14px}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:#f8fafc}
.num{text-align:right}
/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.stat .l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.stat .v{font-size:26px;font-weight:800;margin-top:6px}
.stat .v.red{color:var(--red)}
/* misc */
.quota{background:#eef2ff;border:1px solid #c7d2fe;border-radius:10px;padding:12px 16px;font-size:14px;margin-bottom:20px}
.alert{border-radius:10px;padding:14px 18px;margin-bottom:20px;font-size:14px}
.alert.red{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.alert.amber{background:#fffbeb;border:1px solid #fde68a;color:#92400e}
.toast{position:fixed;bottom:24px;right:24px;background:#0f172a;color:#fff;padding:14px 20px;border-radius:10px;font-size:14px;box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:99;animation:tin .25s}
@keyframes tin{from{transform:translateY(12px);opacity:0}}
.skel{background:linear-gradient(90deg,#eef2f7,#e2e8f0,#eef2f7);background-size:200% 100%;animation:sk 1.2s infinite;border-radius:8px;min-height:18px}
@keyframes sk{to{background-position:-200% 0}}
.empty{text-align:center;padding:56px 20px;color:var(--muted)}
.empty h3{color:var(--ink)}
.tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;font-size:13px;cursor:pointer}
.tabs button.active{background:#0f172a;color:#fff;border-color:#0f172a}
.row2{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:center;justify-content:center;z-index:50}
.modal{background:#fff;border-radius:16px;padding:28px;max-width:440px;width:92%}
.timeline{border-left:2px solid var(--line);margin:16px 0 16px 8px;padding-left:20px}
.timeline div{position:relative;padding:6px 0;font-size:14px}
.timeline div::before{content:"";position:absolute;left:-27px;top:12px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
.timeline div.done::before{background:var(--green)}
.search{max-width:280px}
.pager{display:flex;gap:8px;align-items:center;margin-top:16px;font-size:14px;color:var(--muted)}
@media(max-width:860px){.grid3,.pricing,.stats{grid-template-columns:1fr}.row2{grid-template-columns:1fr}.side{display:none}.hero h1{font-size:34px}}