/* =========================================================
   БАЗА: токени, скидання, шапка, каркас сторінки, UI-кіт
   (усе, що не стосується конкретного інструмента)
   ========================================================= */
:root{
  --bg:#f4f5fb; --card:#ffffff; --ink:#1f2340; --muted:#6b7196;
  --primary:#5b4be6; --primary-d:#4636c9; --primary-l:#eceafd;
  --green:#12a36b; --green-l:#e2f6ee; --amber:#e0982a; --amber-l:#fdf1dd;
  --pink:#d63c8a; --pink-l:#fce6f2; --line:#e6e8f2; --shadow:0 8px 30px rgba(40,40,90,.08);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.hidden{display:none!important}

/* ===== Top bar ===== */
header.topbar{background:linear-gradient(100deg,#5b4be6,#7d5bef);color:#fff;padding:14px 26px;display:flex;align-items:center;gap:18px;box-shadow:var(--shadow);position:sticky;top:0;z-index:50}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;letter-spacing:.2px;cursor:pointer;color:inherit;text-decoration:none}
.logo .mark{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:20px}
.logo .brand{display:flex;flex-direction:column;line-height:1.12}
.logo .brand .bn{font-weight:800;font-size:20px;letter-spacing:.2px}
.logo .brand .bn i{font-style:normal;font-weight:600;opacity:.9}
.logo .brand .bt{font-weight:500;font-size:10.5px;opacity:.82;letter-spacing:.2px}
.role-tabs{margin-left:auto;display:flex;gap:6px;background:rgba(255,255,255,.14);padding:5px;border-radius:12px}
.role-tabs button{color:#fff;padding:8px 16px;border-radius:9px;font-size:14px;font-weight:600;opacity:.8;transition:.15s;display:flex;gap:7px;align-items:center}
.role-tabs button.active{background:#fff;color:var(--primary);opacity:1}
.who{display:flex;align-items:center;gap:10px;font-size:13px;background:rgba(255,255,255,.14);padding:6px 12px;border-radius:30px}
.who .av{width:30px;height:30px;border-radius:50%;background:#fff;color:var(--primary);display:grid;place-items:center;font-weight:700}

/* ===== Layout ===== */
.wrap{max-width:1180px;margin:0 auto;padding:26px}
.wrap.wide{max-width:1320px}
.crumbs{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:14px;margin-bottom:18px;flex-wrap:wrap}
.crumbs a{color:var(--primary);cursor:pointer;font-weight:600;text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.crumbs span.sep{opacity:.5}
h1.page{font-size:26px;margin-bottom:4px}
.sub{color:var(--muted);margin-bottom:22px}

.grid{display:grid;gap:16px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.grid.c3,.grid.c2{grid-template-columns:1fr}}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;border:1px solid var(--line)}
/* переходи — справжні посилання (<a href>): права кнопка, нова вкладка, «Назад» */
a.card{display:block;color:inherit;text-decoration:none}
a.btn{text-decoration:none}
.card.click{cursor:pointer;transition:.18s}
.card.click:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(40,40,90,.14)}
.card .ico{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:24px;margin-bottom:12px}
.card h3{font-size:17px;margin-bottom:5px}
.card p.d{color:var(--muted);font-size:14px}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:20px;background:var(--primary-l);color:var(--primary)}
.pill.tool{background:var(--amber-l);color:#9a6208}
.tag-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}

.btn{background:var(--primary);color:#fff;padding:11px 20px;border-radius:11px;font-weight:600;font-size:14px;transition:.15s;display:inline-flex;gap:8px;align-items:center}
.btn:hover{background:var(--primary-d)}
.btn.ghost{background:var(--primary-l);color:var(--primary)}
.btn.ghost:hover{background:#e0ddfb}
.btn.sm{padding:7px 13px;font-size:13px}
.btn.green{background:var(--green)}
.btn.gray{background:#eceef5;color:var(--ink)}
.btn.gray:hover{background:#e2e5ef}

input,select,textarea{font-family:inherit;font-size:15px;padding:10px 13px;border:1.5px solid var(--line);border-radius:10px;width:100%;color:var(--ink);background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary)}
label.fl{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
.field{margin-bottom:14px}
.row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}

/* ===== Tool workspace ===== */
.tool-shell{display:grid;grid-template-columns:224px 1fr;gap:16px;align-items:start}
@media(max-width:900px){.tool-shell{grid-template-columns:1fr}}
.panel{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);padding:20px}
/* компактний конфігуратор завдання */
.tool-shell .cfg{padding:16px}
.tool-shell .cfg h3{font-size:15px;margin-bottom:10px}
.tool-shell .cfg .field{margin-bottom:10px}
.tool-shell .cfg label.fl{font-size:12px;margin-bottom:4px}
.tool-shell .cfg input,.tool-shell .cfg select{padding:7px 10px;font-size:14px;border-radius:9px}
.tool-shell .cfg .btn{padding:9px 14px;font-size:13px}
.tool-shell .cfg .helper{font-size:12px;margin-top:8px}
.panel h3{font-size:16px;margin-bottom:14px;display:flex;gap:8px;align-items:center}
.stage{min-height:480px;display:flex;flex-direction:column}
.stage-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.step-count{font-size:13px;color:var(--muted);font-weight:600}
.calc{flex:1;display:flex;padding:0;overflow:auto}
.explain{background:var(--primary-l);color:var(--primary-d);border-radius:12px;padding:14px 16px;font-size:15px;font-weight:500;margin-top:14px;min-height:54px;display:flex;align-items:center}
.explain.done{background:var(--green-l);color:#0c7a4f}
.step-nav{display:flex;gap:10px;margin-top:16px;justify-content:center}

/* ===== Списки, таблиці, статистика ===== */
.list-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff}
.list-item .ic{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;font-size:20px;flex-shrink:0}
.list-item .txt{flex:1}
.list-item .txt b{display:block}
.list-item .txt small{color:var(--muted)}
.badge{font-size:12px;font-weight:700;padding:3px 9px;border-radius:8px}
.badge.ok{background:var(--green-l);color:var(--green)}
.badge.new{background:var(--amber-l);color:var(--amber)}

table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th,table.tbl td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
table.tbl th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
table.tbl tr:last-child td{border-bottom:none}

.stat{display:flex;gap:14px}
.stat .box{flex:1;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow)}
.stat .box .n{font-size:28px;font-weight:800;color:var(--primary)}
.stat .box .l{color:var(--muted);font-size:13px}

.section-title{font-size:15px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin:26px 0 12px}
.modal-bg{position:fixed;inset:0;background:rgba(25,25,55,.45);display:grid;place-items:center;z-index:100;padding:20px}
.modal{background:#fff;border-radius:18px;max-width:520px;width:100%;padding:26px;box-shadow:0 20px 60px rgba(0,0,0,.3);max-height:90vh;overflow:auto}
.modal h2{margin-bottom:6px}
.modal .close{position:absolute}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 22px;border-radius:30px;font-size:14px;box-shadow:var(--shadow);z-index:200;opacity:0;transition:.3s;pointer-events:none}
.toast.show{opacity:1}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-l);padding:6px 12px;border-radius:20px}
.helper{font-size:13px;color:var(--muted);margin-top:6px}
.empty{text-align:center;color:var(--muted);padding:40px}