:root{
  --bg:#F6F7FB;--surface:#FFFFFF;--ink:#111827;--muted:#5B6472;--line:#E2E5EC;
  --accent:#4338CA;--accent-h:#3730A3;--accent-fg:#FFFFFF;--accent-soft:#EEF0FF;
  --ok:#047857;--ok-bg:#E8F8F1;--err:#B91C1C;--err-bg:#FDEDED;--warn:#92400E;--warn-bg:#FFF4DB;
  --radius:12px;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
  color-scheme:light;
}

/* OVO JE DEO ZA DARK MODE */
[data-theme="dark"] {
  --bg:#0F1420;--surface:#171E2E;--ink:#F2F4F8;--muted:#A3ADBD;--line:#2A3448;
  --accent:#8F9BFF;--accent-h:#A9B2FF;--accent-fg:#0F1420;--accent-soft:#222B4A;
  --ok:#5FD8A6;--ok-bg:#12332A;--err:#FF9A9A;--err-bg:#3B1B1E;--warn:#F4C46C;--warn-bg:#3A2D12;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;padding-top:env(safe-area-inset-top,0);padding-bottom:env(safe-area-inset-bottom,0)}
a{color:var(--accent)}
h1,h2,h3{line-height:1.2;margin:0}
.muted{color:var(--muted)}
/* layout */
.wrap{max-width:920px;margin:0 auto;padding:0 18px}
.top{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:58px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.brand{font-weight:800;font-size:1.15rem;color:var(--accent);letter-spacing:-.02em;text-decoration:none}
.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tab{min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:600 .88rem 'Inter',sans-serif;cursor:pointer}
.tab[aria-current="page"]{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}
main{padding:24px 0 60px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 18px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:600 .92rem 'Inter',sans-serif;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--bg)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.btn.primary:hover{background:var(--accent-h)}
.btn.sm{min-height:36px;padding:0 12px;font-size:.84rem}
.btn.danger{color:var(--err);border-color:var(--err)}
.btn.block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn:focus-visible,.tab:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
/* forms */
.field{margin-bottom:14px}
.field label{display:block;font-size:.82rem;font-weight:600;color:var(--muted);margin-bottom:5px}
.field input,.field textarea,.field select{width:100%;min-height:44px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:400 1rem 'Inter',sans-serif}
.field textarea{min-height:90px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row2 .field{margin-bottom:14px}
/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:16px}
.card h2{font-size:1.02rem;margin-bottom:10px}
.alert{padding:10px 14px;border-radius:10px;font-size:.9rem;margin-bottom:14px;border:1px solid}
.alert.err{background:var(--err-bg);color:var(--err);border-color:var(--err)}
.alert.ok{background:var(--ok-bg);color:var(--ok);border-color:var(--ok)}
.alert.warn{background:var(--warn-bg);color:var(--warn);border-color:var(--warn)}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.74rem;font-weight:700;border:1px solid var(--line);color:var(--muted)}
.badge.proposal_sent,.badge.contract_sent{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}
.badge.invoice_sent{color:var(--warn);border-color:var(--warn);background:var(--warn-bg)}
.badge.paid{color:var(--ok);border-color:var(--ok);background:var(--ok-bg)}
/* landing */
.hero{padding:44px 0 26px;text-align:center}
.hero h1{font-size:clamp(1.8rem,6vw,2.7rem);letter-spacing:-.03em;margin-bottom:14px}
.hero p{font-size:1.08rem;color:var(--muted);max-width:620px;margin:0 auto 22px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:26px 0}
.feat h3{font-size:1rem;margin-bottom:6px}
.feat p{margin:0;color:var(--muted);font-size:.92rem}
.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin:12px 0 26px}
.price{font-size:1.7rem;font-weight:800;margin:6px 0}
.price small{font-size:.9rem;font-weight:500;color:var(--muted)}
.ticks{list-style:none;padding:0;margin:10px 0 0}
.ticks li{padding:3px 0 3px 22px;position:relative;font-size:.92rem}
.ticks li::before{content:'✓';position:absolute;left:0;color:var(--ok);font-weight:700}
.authbox{max-width:420px;margin:0 auto 30px}
.foot{padding:26px 0 40px;text-align:center;color:var(--muted);font-size:.86rem}
/* usage */
.usage{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.bar{background:var(--line);border-radius:999px;height:8px;overflow:hidden;margin-top:6px;min-width:160px}
.bar>i{display:block;height:100%;background:var(--accent)}
.bar.full>i{background:var(--err)}
/* lists */
.list{list-style:none;margin:0;padding:0}
.item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;cursor:pointer}
.item:hover{border-color:var(--accent)}
.item .t{font-weight:600}
.item .m{font-size:.84rem;color:var(--muted);margin-top:2px}
.ev{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-top:1px solid var(--line);cursor:pointer}
.ev:first-child{border-top:0}
.dot{width:10px;height:10px;border-radius:50%;margin-top:7px;flex:none;background:var(--accent)}
.dot.invoice_due{background:var(--warn)}
.dot.overdue{background:var(--err)}
.dot.done{background:var(--ok)}
.ev .d{min-width:92px;font-size:.84rem;color:var(--muted)}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:0 0 20px}
.step{text-align:center;font-size:.76rem;color:var(--muted);padding:6px 2px;border-top:4px solid var(--line)}
.step.on{border-color:var(--accent);color:var(--accent);font-weight:700}
.step.done{border-color:var(--ok);color:var(--ok);font-weight:700}
.docs{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:16px}
.doccard{text-align:center;padding:18px 12px}
.doccard .ic{font-size:1.8rem}
.doccard .row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:10px}
/* calendar */
.calnav{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal .h{font-size:.72rem;font-weight:700;color:var(--muted);text-align:center;padding:4px 0}
.cell{min-height:58px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:4px;font-size:.78rem;cursor:pointer;text-align:left;color:var(--ink)}
.cell.out{opacity:.45}
.cell.today{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.cell.sel{background:var(--accent-soft)}
.cell .dots{display:flex;gap:3px;flex-wrap:wrap;margin-top:3px}
.cell .dots i{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.cell .dots i.invoice_due{background:var(--warn)}
.cell .dots i.overdue{background:var(--err)}
.cell .dots i.done{background:var(--ok)}
/* modal */
.overlay{position:fixed;inset:0;background:rgba(10,14,25,.55);display:flex;align-items:flex-end;justify-content:center;z-index:100}
@media(min-width:700px){.overlay{align-items:center;padding:20px}}
.modal{background:var(--surface);width:100%;max-width:640px;max-height:92vh;overflow:auto;border-radius:16px 16px 0 0;padding:20px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
@media(min-width:700px){.modal{border-radius:16px}}
.mhead{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.x{background:none;border:0;font-size:1.6rem;line-height:1;color:var(--muted);cursor:pointer;min-width:44px;min-height:44px}
.paper{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:18px;font-size:.92rem}
.paper h3{font-size:1.4rem;margin-bottom:2px}
.paper .sub{color:var(--muted);margin-bottom:12px}
.paper dl{display:grid;grid-template-columns:auto 1fr;gap:2px 14px;margin:0 0 12px}
.paper dt{color:var(--muted);font-weight:600}
.paper dd{margin:0}
.paper h4{margin:14px 0 4px;font-size:.98rem}
.paper p{margin:0 0 8px}
.paper ul{margin:0 0 8px;padding-left:20px}
.paper table{width:100%;border-collapse:collapse;margin:8px 0;font-size:.88rem}
.paper th{text-align:left;color:var(--muted);border-bottom:2px solid var(--line);padding:6px 4px}
.paper td{padding:6px 4px;border-bottom:1px solid var(--line);vertical-align:top}
.paper .r{text-align:right}
.paper .foot2{margin-top:14px;color:var(--muted);font-size:.8rem}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.rem{border:1px solid var(--line);border-radius:10px;padding:12px;margin-top:10px;background:var(--surface)}
.rem pre{white-space:pre-wrap;font:inherit;margin:6px 0 8px;font-size:.88rem}
.spin{display:inline-block;width:16px;height:16px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
#toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:10px;font-size:.9rem;opacity:0;pointer-events:none;transition:opacity .2s;z-index:300;max-width:90vw}
#toast.show{opacity:1}
.legal{max-width:720px;margin:0 auto;padding:24px 18px 60px}
.legal h1{margin:10px 0}
.legal h2{font-size:1.1rem;margin:20px 0 6px}
@media(max-width:520px){.row2{grid-template-columns:1fr}.steps .step{font-size:.68rem}}
@media print{.top,.actions,.x,#toast{display:none!important}.overlay{position:static;background:none}.modal{box-shadow:none;max-height:none}}