:root{
  --bg:#f5f8fb; --panel:#fff; --ink:#17212b; --muted:#697887; --line:#e5edf4;
  --blue:#0086b2; --blue2:#0b5f7a; --soft:#eef8fc; --green:#11a36a; --red:#d74b4b;
  --shadow:0 18px 45px rgba(23,33,43,.08); --radius:22px;
}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
a{text-decoration:none;color:inherit}.app{display:flex;min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:270px;background:#101922;color:#dce8ef;padding:22px 18px;z-index:20}.brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}.brand-mark{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,var(--blue),#20c4f4);display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 12px 30px rgba(0,134,178,.35)}.brand strong{display:block;color:#fff;font-size:16px}.brand span{font-size:12px;color:#92a4b2}.nav{display:grid;gap:8px}.nav a{display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:16px;color:#bfd1dc}.nav a.active,.nav a:hover{background:#172532;color:#fff}.nav i{width:24px;text-align:center}.sidebar-foot{position:absolute;bottom:18px;left:18px;right:18px;padding:14px;border-radius:18px;background:#162531;color:#a9bac7;font-size:12px}.main{margin-left:270px;width:calc(100% - 270px);min-height:100vh}.topbar{position:sticky;top:0;z-index:10;background:rgba(245,248,251,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:18px 28px;display:flex;align-items:center;justify-content:space-between}.topbar h1{margin:0;font-size:22px}.topbar p{margin:4px 0 0;color:var(--muted)}.user-chip{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line)}.avatar{width:34px;height:34px;border-radius:50%;background:var(--soft);color:var(--blue2);display:grid;place-items:center;font-weight:800}.content{padding:26px 28px 120px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.metric{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.metric span{color:var(--muted);font-size:13px}.metric strong{display:block;margin-top:8px;font-size:26px}.metric .icon{width:46px;height:46px;border-radius:16px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:900}.btn{border:0;border-radius:14px;padding:12px 16px;background:var(--blue);color:#fff;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.btn:hover{background:var(--blue2)}.btn.secondary{background:#eef3f7;color:#263846}.btn.ghost{background:transparent;color:var(--blue);border:1px solid #bce4f2}.btn.danger{background:#ffecec;color:#b02121}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:grid;gap:7px}.field label{font-size:12px;font-weight:800;color:#566675;text-transform:uppercase;letter-spacing:.04em}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:12px 13px;outline:none;color:var(--ink)}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,134,178,.1)}.hint{color:var(--muted);font-size:12px}.table{width:100%;border-collapse:separate;border-spacing:0 10px}.table th{text-align:left;font-size:12px;color:var(--muted);font-weight:800;text-transform:uppercase}.table td{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px}.table td:first-child{border-left:1px solid var(--line);border-radius:14px 0 0 14px}.table td:last-child{border-right:1px solid var(--line);border-radius:0 14px 14px 0}.badge{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;background:var(--soft);color:var(--blue2)}.badge.green{background:#e9fbf3;color:#087a4d}.badge.gray{background:#eef1f4;color:#596b78}.flash{padding:13px 15px;border-radius:16px;margin-bottom:16px;border:1px solid}.flash.success{background:#ecfff7;color:#087a4d;border-color:#bdf0d7}.flash.error{background:#fff0f0;color:#a32626;border-color:#ffc9c9}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,#e0f7ff,transparent 34%),var(--bg)}.login-card{width:min(430px,92vw);background:#fff;border-radius:28px;border:1px solid var(--line);box-shadow:var(--shadow);padding:32px}.login-card .brand{color:var(--ink);margin-bottom:20px}.login-card .brand strong{color:var(--ink)}.steps{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.step-pill{padding:9px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-weight:800;font-size:12px;background:#fff}.step-pill.active{background:var(--blue);color:#fff;border-color:var(--blue)}.calc-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:18px;align-items:start}.sticky-result{position:sticky;top:94px}.result-big{font-size:34px;font-weight:900;letter-spacing:-.04em;margin:8px 0}.result-muted{color:var(--muted)}.breakdown{display:grid;gap:10px;margin-top:16px}.break-row{display:grid;grid-template-columns:1fr auto;gap:12px;padding:12px;border-radius:14px;background:#f8fbfd;border:1px solid var(--line)}.break-row small{display:block;color:var(--muted);margin-top:3px}.constant-bar{position:fixed;left:270px;right:0;bottom:0;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-top:1px solid var(--line);z-index:15;padding:12px 28px;box-shadow:0 -12px 30px rgba(23,33,43,.06)}.constant-scroll{display:flex;gap:10px;overflow:auto}.constant{min-width:135px;border:1px solid var(--line);border-radius:16px;padding:10px 12px;background:#fff}.constant b{display:block;font-size:13px}.constant span{font-size:11px;color:var(--muted)}.tip{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:#e6f6fc;color:var(--blue);font-size:11px;font-weight:900;position:relative}.tip:hover:after{content:attr(data-tip);position:absolute;bottom:25px;left:50%;transform:translateX(-50%);width:240px;background:#101922;color:#fff;padding:10px;border-radius:12px;font-weight:500;line-height:1.35;z-index:50}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.section-title h2{font-size:17px;margin:0}.muted{color:var(--muted)}.split{display:flex;align-items:center;justify-content:space-between;gap:12px}.hr{height:1px;background:var(--line);margin:16px 0}.print-sheet{background:#fff;color:#111;padding:36px;max-width:900px;margin:0 auto}.print-only{display:none}@media print{.sidebar,.topbar,.btn,.constant-bar{display:none!important}.main{margin:0;width:100%}.content{padding:0}.card{box-shadow:none;border:0}.print-only{display:block}}@media(max-width:1100px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}.calc-layout{grid-template-columns:1fr}.sticky-result{position:static}}@media(max-width:820px){.sidebar{position:static;width:100%;height:auto}.sidebar-foot{position:static;margin-top:16px}.main{margin-left:0;width:100%}.constant-bar{left:0}.grid-2,.grid-3,.grid-4,.form-grid{grid-template-columns:1fr}.topbar{align-items:flex-start;gap:12px}.content{padding:18px 16px 120px}}
.hero-calc-card{background:linear-gradient(135deg,#ffffff,#eef9fd)}.big-hint{font-size:13px;line-height:1.55}.dynamic-fields{display:grid;gap:14px}.field-section{border:1px solid var(--line);border-radius:18px;background:#fbfdff;padding:14px}.field-section.open{background:transparent;border:0;padding:0}.field-section summary,.detail-card summary{cursor:pointer;font-weight:900;color:#263846;list-style:none;display:flex;align-items:center;justify-content:space-between}.field-section summary:after,.detail-card summary:after{content:'+';width:24px;height:24px;border-radius:50%;background:var(--soft);color:var(--blue);display:grid;place-items:center}.field-section[open] summary:after,.detail-card[open] summary:after{content:'−'}.field-section .form-grid{margin-top:14px}.financial-table td:nth-child(2),.financial-table td:nth-child(3),.financial-table td:nth-child(4),.financial-table td:nth-child(5){white-space:nowrap}.profit-cell{color:var(--green);font-weight:900}.result-duo{display:grid;grid-template-columns:1fr 1fr;gap:10px}.result-duo>div{border:1px solid var(--line);border-radius:16px;padding:12px;background:#f8fbfd}.result-duo span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.result-duo strong{font-size:15px}.detail-card{display:block}.detail-card summary{margin:-2px 0 14px}.tip{font-style:normal;margin-left:4px} @media(max-width:560px){.financial-table{font-size:12px}.financial-table td{padding:10px}.result-duo{grid-template-columns:1fr}}