/* INFOGIGA3D · neon blue → magenta (IG3D logo), dark by default, light theme optional. */
:root {
  --bg: #0b0d17; --panel: #131626; --panel-2: #1a1e33; --line: rgba(255, 255, 255, 0.08); --line-2: rgba(255, 255, 255, 0.16);
  --text: #e9ecf8; --soft: rgba(233, 236, 248, 0.66); --faint: rgba(233, 236, 248, 0.4);
  --a1: #00c8ff; --a2: #ff2bd6; --grad: linear-gradient(90deg, var(--a1), var(--a2));
  --good: #3ddc97; --warn: #ffb547; --bad: #ff5c7a; --info: #6ea8ff;
  --r: 14px; --shadow: 0 12px 34px rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f4f6fb; --panel: #ffffff; --panel-2: #eef1f8; --line: #e2e6f0; --line-2: #cfd6e4;
  --text: #151a2c; --soft: #4f5873; --faint: #8b93aa; --shadow: 0 10px 26px rgba(20, 30, 60, 0.12);
  --a1: #0098d4; --a2: #d4119f; color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--a1); }
.hidden { display: none !important; }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: 0.01em; }
small, .soft { color: var(--soft); }
.faint { color: var(--faint); }
.n, td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; }
td.n { white-space: nowrap; }

/* Buttons + inputs */
button, .btn { font: inherit; border: 0; border-radius: 10px; padding: 9px 14px; cursor: pointer; background: var(--grad); color: #fff; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; white-space: nowrap; }
button:disabled { opacity: 0.5; cursor: default; }
button.ghost, .btn.ghost { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); }
button.danger { background: rgba(255, 92, 122, 0.14); color: var(--bad); border: 1px solid rgba(255, 92, 122, 0.35); }
button.small, .btn.small { padding: 5px 10px; font-size: 12px; border-radius: 8px; }
input, select, textarea { font: inherit; color: var(--text); background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 9px 11px; width: 100%; min-width: 0; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--a1); box-shadow: 0 0 0 3px rgba(0, 200, 255, 0.18); }
input[type="checkbox"] { width: auto; }
textarea { min-height: 70px; resize: vertical; }
label.f { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--soft); font-weight: 600; }
.grid { display: grid; gap: 12px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* Shell */
.shell { display: flex; min-height: 100%; }
.sidebar { width: 236px; flex-shrink: 0; background: var(--panel); border-right: 1px solid var(--line); display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 16px; border-bottom: 1px solid var(--line); }
.logo { font-weight: 900; font-size: 18px; padding: 4px 8px; border-radius: 9px; border: 2px solid transparent; background: linear-gradient(var(--panel), var(--panel)) padding-box, var(--grad) border-box; }
.logo b, .brand-name b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand-name { font-weight: 800; letter-spacing: 0.04em; }
#nav { flex: 1; overflow-y: auto; padding: 10px 8px; display: flex; flex-direction: column; gap: 2px; }
#nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; color: var(--soft); text-decoration: none; font-weight: 600; }
#nav a:hover { background: var(--panel-2); color: var(--text); }
#nav a.on { background: linear-gradient(90deg, rgba(0, 200, 255, 0.16), rgba(255, 43, 214, 0.12)); color: var(--text); box-shadow: inset 3px 0 0 var(--a1); }
#nav .ico { width: 20px; text-align: center; }
#nav .sep { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint); padding: 12px 12px 4px; }
.side-foot { display: flex; gap: 6px; padding: 12px; border-top: 1px solid var(--line); }
.side-foot button { flex: 1; justify-content: center; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 14px 22px; border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.topbar h1 { font-size: 20px; }
.top-actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.menu-btn { display: none; background: var(--panel-2); color: var(--text); padding: 7px 11px; }
.view { padding: 20px 22px 60px; max-width: 1400px; width: 100%; }
.scrim { display: none; }

/* Cards + tables */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; box-shadow: var(--shadow); }
.card + .card, .stack > * + * { margin-top: 14px; }
.card h2 { font-size: 15px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.card h2 .spacer { flex: 1; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 14px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; position: relative; overflow: hidden; }
.tile::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--grad); }
.tile small { display: block; text-transform: uppercase; font-size: 11px; letter-spacing: 0.06em; }
.tile b { display: block; font-size: 24px; margin-top: 4px; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--faint); background: var(--panel-2); position: sticky; top: 0; }
tbody tr:hover { background: rgba(127, 127, 255, 0.05); }
tr.click { cursor: pointer; }
tr:last-child td { border-bottom: 0; }
td input, td select { padding: 6px 8px; }
.empty { padding: 26px; text-align: center; color: var(--faint); }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; background: var(--panel-2); color: var(--soft); border: 1px solid var(--line); white-space: nowrap; }
.badge.good { color: var(--good); border-color: rgba(61, 220, 151, 0.4); background: rgba(61, 220, 151, 0.1); }
.badge.warn { color: var(--warn); border-color: rgba(255, 181, 71, 0.4); background: rgba(255, 181, 71, 0.1); }
.badge.bad { color: var(--bad); border-color: rgba(255, 92, 122, 0.4); background: rgba(255, 92, 122, 0.1); }
.badge.info { color: var(--info); border-color: rgba(110, 168, 255, 0.4); background: rgba(110, 168, 255, 0.1); }
.bar { height: 7px; border-radius: 6px; background: var(--panel-2); overflow: hidden; min-width: 70px; }
.bar i { display: block; height: 100%; background: var(--c, var(--grad)); box-shadow: inset 0 0 0 1px var(--line-2); border-radius: 6px; } /* the ring keeps black / white bars visible in both themes */
.bar.low { box-shadow: 0 0 0 1.5px var(--bad); }
.swatch { display: inline-block; width: 14px; height: 14px; border-radius: 50%; border: 1px solid var(--line-2); vertical-align: -2px; margin-right: 6px; }
.flags { margin: 4px 0 0; padding-left: 16px; color: var(--warn); font-size: 12px; }
.note { padding: 10px 12px; border-radius: 10px; background: rgba(110, 168, 255, 0.08); border: 1px solid rgba(110, 168, 255, 0.25); color: var(--soft); font-size: 13px; }
.note.warn { background: rgba(255, 181, 71, 0.08); border-color: rgba(255, 181, 71, 0.3); }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar input, .toolbar select { width: auto; min-width: 180px; }
.seg { display: inline-flex; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { background: transparent; color: var(--soft); padding: 6px 11px; font-weight: 600; }
.seg button.on { background: var(--grad); color: #fff; }

/* Calculator */
.calc { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, 1fr); gap: 16px; align-items: start; }
.sum { position: sticky; top: 76px; }
.sum .line { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--line); font-variant-numeric: tabular-nums; }
.sum .line.total { border-bottom: 0; font-weight: 700; font-size: 15px; padding-top: 10px; }
.sum .big { margin-top: 12px; padding: 14px; border-radius: 12px; background: linear-gradient(135deg, rgba(0, 200, 255, 0.14), rgba(255, 43, 214, 0.14)); border: 1px solid var(--line-2); }
.sum .big b { display: block; font-size: 30px; }
.acc-row { display: grid; grid-template-columns: minmax(0, 1fr) 90px 36px; gap: 8px; margin-top: 6px; }
.plates { display: grid; gap: 8px; margin-top: 10px; }
.plate { display: flex; gap: 10px; align-items: center; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel-2); flex-wrap: wrap; }

/* Auth */
.auth { min-height: 100%; display: grid; place-items: center; padding: 20px; background: radial-gradient(60% 50% at 20% 10%, rgba(0, 200, 255, 0.16), transparent), radial-gradient(60% 50% at 80% 90%, rgba(255, 43, 214, 0.16), transparent), var(--bg); }
.auth form { width: min(380px, 100%); display: flex; flex-direction: column; gap: 12px; }
.auth .logo { font-size: 30px; align-self: center; margin-bottom: 6px; }
.auth h1 { text-align: center; font-size: 20px; }

/* Modal + toast */
.modal { position: fixed; inset: 0; background: rgba(5, 7, 15, 0.7); display: grid; place-items: center; padding: 16px; z-index: 50; }
.modal-box { width: min(620px, 100%); max-height: calc(100vh - 32px); overflow-y: auto; background: var(--panel); border: 1px solid var(--line-2); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 14px; }
.modal-box h2 { font-size: 17px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }
.toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); padding: 11px 18px; border-radius: 12px; background: var(--panel); border: 1px solid var(--line-2); box-shadow: var(--shadow); z-index: 60; max-width: calc(100vw - 32px); font-weight: 600; }
.toast.ok { border-color: rgba(61, 220, 151, 0.6); } .toast.err { border-color: rgba(255, 92, 122, 0.7); color: var(--bad); }

/* Mobile */
@media (max-width: 1000px) {
  .calc { grid-template-columns: 1fr; }
  .sum { position: static; }
  .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; z-index: 40; transform: translateX(-100%); transition: transform 0.2s; }
  .shell.nav-open .sidebar { transform: none; }
  .shell.nav-open .scrim { display: block; position: fixed; inset: 0; background: rgba(0, 0, 0, 0.5); z-index: 30; }
  .menu-btn { display: inline-flex; }
  .topbar { padding: 10px 14px; flex-wrap: wrap; }
  .top-actions { width: 100%; margin-left: 0; }
  .view { padding: 14px 12px 60px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .toolbar input, .toolbar select { min-width: 0; width: 100%; }
  th, td { padding: 8px 7px; }
  .hide-m { display: none; }
}

/* Product categories + photos */
.cat-list { display: flex; flex-direction: column; gap: 6px; margin: 12px 0 10px; }
.cat-row { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--line); }
.cat-row .cat-name { font-weight: 600; }
.cat-row .cat-edit { flex: 1; padding: 6px 9px; }
td.ph { width: 52px; padding-right: 0; }
.thumb { width: 42px; height: 42px; border-radius: 9px; object-fit: cover; display: block; border: 1px solid var(--line-2); background: var(--panel-2); }
.thumb.none { display: flex; align-items: center; justify-content: center; font-size: 18px; opacity: 0.45; }
img.thumb.click { cursor: zoom-in; }
.photo-edit { display: flex; gap: 14px; align-items: center; margin: 12px 0; }
.photo-edit .stack { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.photo-edit .stack > * + * { margin-top: 0; }
.photo-prev { width: 96px; height: 96px; flex: none; border-radius: 12px; overflow: hidden; border: 1px solid var(--line-2); background: var(--panel-2); display: flex; align-items: center; justify-content: center; font-size: 34px; }
.photo-prev img { width: 100%; height: 100%; object-fit: cover; }
.photo-prev span { opacity: 0.45; }
.photo-big { display: block; max-width: 100%; max-height: 70vh; margin: 0 auto; border-radius: 12px; }