:root {
  --pri: #2563eb;
  --pri-dark: #1d4ed8;
  --pri-light: #eff6ff;
  --bg: #f8fafc;
  --card: #ffffff;
  --ink: #0f172a;
  --mut: #64748b;
  --line: #e2e8f0;
  --ok: #059669;
  --ok-bg: #ecfdf5;
  --warn: #d97706;
  --warn-bg: #fffbeb;
  --err: #dc2626;
  --err-bg: #fef2f2;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .06);
  --shadow-lg: 0 4px 12px rgba(15, 23, 42, .1), 0 2px 4px rgba(15, 23, 42, .06);
  --radius: 12px;
}
* { 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);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1140px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }

/* Top bar */
.topbar {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  padding: .8rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .6rem;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar .brand { font-weight: 800; font-size: 1.05rem; letter-spacing: -.01em; }
.topbar nav { display: flex; gap: .25rem; align-items: center; flex-wrap: wrap; }
.topbar nav a {
  color: #cbd5e1;
  text-decoration: none;
  padding: .4rem .9rem;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 600;
  border: 1.5px solid rgba(255,255,255,.18);
  transition: all .15s;
  background: rgba(255,255,255,.04);
}
.topbar nav a:hover { border-color: rgba(255,255,255,.4); color: #fff; background: rgba(255,255,255,.08); }
.topbar nav a.on { background: #fff; color: #0f172a; border-color: #fff; }
.topbar nav .linkbtn {
  color: #cbd5e1;
  text-decoration: none;
  padding: .4rem .9rem;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 600;
  border: 1.5px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.04);
  transition: all .15s;
}
.topbar nav .linkbtn:hover { border-color: rgba(255,255,255,.4); color: #fff; background: rgba(255,255,255,.08); }
.storename { color: #94a3b8; margin-right: .6rem; font-weight: 600; font-size: .92rem; }
#back-owner { color: #fbbf24 !important; border-color: rgba(251, 191, 36, .45) !important; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.1rem;
  box-shadow: var(--shadow);
}
.card.narrow { max-width: 480px; margin: 2.5rem auto; }
.card h3 { margin-top: 0; font-size: 1.05rem; font-weight: 700; letter-spacing: -.01em; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 820px) { .grid2 { grid-template-columns: 1fr; } }

h2 { font-size: 1.4rem; font-weight: 800; letter-spacing: -.02em; margin: .5rem 0 1rem; }
h3, h4 { margin: .4rem 0 .8rem; font-weight: 700; }
.muted { color: var(--mut); }
.small { font-size: .85rem; }
.mono { font-family: ui-monospace, SFMono-Regular, monospace; font-size: .85em; }

/* Forms */
label { display: block; margin: .55rem 0; font-size: .9rem; font-weight: 500; }
input, select, textarea {
  width: 100%;
  padding: .6rem .75rem;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  font-size: 1rem;
  margin-top: .25rem;
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--pri);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
input[type=checkbox] { width: auto; margin-right: .45rem; }
.chk { display: flex; align-items: center; }

/* Buttons */
.btn {
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  padding: .55rem 1rem;
  font-size: .93rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  color: var(--ink);
}
.btn:hover { border-color: #cbd5e1; background: #f8fafc; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn.primary {
  background: linear-gradient(135deg, var(--pri) 0%, var(--pri-dark) 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 2px 6px rgba(37, 99, 235, .3);
}
.btn.primary:hover { box-shadow: 0 4px 12px rgba(37, 99, 235, .4); background: linear-gradient(135deg, var(--pri-dark) 0%, #1e40af 100%); }
.btn.danger-ghost { border-color: #fecaca; color: var(--err); background: #fff; }
.btn.danger-ghost:hover { background: var(--err-bg); border-color: var(--err); }
.btn.ghost { background: #fff; }
.btn.sm { padding: .3rem .65rem; font-size: .85rem; border-radius: 6px; }
.linkbtn {
  background: none;
  border: none;
  color: var(--pri);
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  padding: .25rem .4rem;
  border-radius: 6px;
}
.linkbtn:hover { background: var(--pri-light); }
.linkbtn.danger { color: var(--err); }
.linkbtn.danger:hover { background: var(--err-bg); }

/* Layout helpers */
.row { display: flex; gap: .55rem; align-items: center; flex-wrap: wrap; margin: .55rem 0; }
.formgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: .6rem; }

/* Tables */
.tbl { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tbl th {
  text-align: left;
  padding: .6rem .5rem;
  border-bottom: 2px solid var(--line);
  font-weight: 700;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--mut);
}
.tbl td { padding: .6rem .5rem; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
.tbl tr:hover td { background: #f8fafc; }
.tbl tr:last-child td { border-bottom: none; }

/* Badges & alerts */
.badge {
  display: inline-block;
  background: var(--pri-light);
  color: var(--pri-dark);
  border-radius: 6px;
  padding: .15rem .5rem;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.alert { border-radius: 10px; padding: .7rem .9rem; margin: .6rem 0; font-size: .93rem; border: 1px solid transparent; }
.alert.ok { background: var(--ok-bg); border-color: #a7f3d0; color: #065f46; }
.alert.warn { background: var(--warn-bg); border-color: #fde68a; color: #92400e; }
.alert.err { background: var(--err-bg); border-color: #fecaca; color: #991b1b; }

/* Tabs */
.tabs { display: flex; gap: .35rem; flex-wrap: wrap; margin-bottom: 1rem; }
.tab {
  border: 1.5px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: .4rem .95rem;
  cursor: pointer;
  font-weight: 600;
  font-size: .88rem;
  color: var(--mut);
  transition: all .15s;
}
.tab:hover { border-color: var(--pri); color: var(--pri); }
.tab.on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* Game picker */
.gamegrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: .6rem; }
.gamebtn {
  border: 2px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: .7rem .8rem;
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: .15rem;
  transition: all .15s;
}
.gamebtn:hover { border-color: #cbd5e1; transform: translateY(-1px); box-shadow: var(--shadow); }
.gamebtn.on { border-color: var(--pri); background: var(--pri-light); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.gamebtn strong { font-size: .95rem; }

/* Finish toggle */
.finishbtns { display: flex; gap: .45rem; flex-wrap: wrap; }
.finbtn {
  border: 1.5px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: .4rem .8rem;
  cursor: pointer;
  font-weight: 600;
  font-size: .88rem;
  transition: all .15s;
}
.finbtn:hover:not(:disabled) { border-color: var(--pri); }
.finbtn.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.finbtn:disabled { opacity: .4; cursor: not-allowed; text-decoration: line-through; border-style: dashed; }

/* Type-ahead */
.ta-box {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0 0 10px 10px;
  box-shadow: var(--shadow-lg);
  z-index: 50;
  max-height: 320px;
  overflow-y: auto;
}
.ta-item { padding: .55rem .8rem; cursor: pointer; border-bottom: 1px solid #f1f5f9; font-size: .93rem; }
.ta-item:last-child { border-bottom: none; }
.ta-item.hi, .ta-item:hover { background: var(--pri-light); }
.best-tag {
  background: #fef3c7;
  color: #92400e;
  font-size: .72rem;
  font-weight: 800;
  border-radius: 5px;
  padding: .12rem .4rem;
  margin-right: .45rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.ta-warn { padding: .45rem .8rem; color: var(--warn); font-size: .83rem; background: var(--warn-bg); }

/* Misc */
.actions { white-space: nowrap; }
.actions .btn, .actions .linkbtn { margin: .12rem; }
.price-in { width: 95px; display: inline-block; }
#toast { position: fixed; bottom: 1.2rem; right: 1.2rem; display: flex; flex-direction: column; gap: .45rem; z-index: 200; }
.toast {
  background: var(--ink);
  color: #fff;
  padding: .65rem 1.1rem;
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  font-size: .92rem;
  font-weight: 500;
  animation: slidein .2s ease-out;
}
.toast.err { background: var(--err); }
.toast.warn { background: var(--warn); }
@keyframes slidein { from { transform: translateX(20px); opacity: 0; } to { transform: none; opacity: 1; } }
.foot { text-align: center; color: var(--mut); font-size: .82rem; padding: 2rem 1rem 1rem; }
details { margin-top: .9rem; background: #f8fafc; border-radius: 8px; padding: .6rem .8rem; }
summary { cursor: pointer; color: var(--pri); font-weight: 600; font-size: .92rem; }
.kit { border: 2px dashed var(--line); border-radius: 10px; padding: .9rem; margin: .7rem 0; background: #f8fafc; }
ul { padding-left: 1.25rem; }
li { margin-bottom: .3rem; }

/* Login pages */
.card.narrow h2 { text-align: center; }
.card.narrow .btn.primary { width: 100%; margin-top: .5rem; padding: .7rem; font-size: 1rem; }