:root {
  --bg: #0f141a;
  --panel: #171e26;
  --panel-2: #1e2731;
  --border: #2a3542;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #4a9eff;
  --claude: #d97757;
  --codex: #10a37f;
  --good: #2ea043;
  --bad: #f85149;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex; flex-direction: column;
}

/* ---- topbar ---- */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 18px; background: var(--panel); border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}
.brand { font-weight: 600; letter-spacing: .2px; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.op { font-size: 13px; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.op input {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 5px 8px; width: 150px; font-size: 14px;
}
.progress { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 13px; }
.btn-link { color: var(--accent); text-decoration: none; font-size: 14px; }
.btn-link:hover { text-decoration: underline; }

/* ---- layout ---- */
.layout { flex: 1 1 auto; display: grid; grid-template-columns: 1fr 420px; min-height: 0; }

/* ---- viewer ---- */
.viewer { display: flex; flex-direction: column; min-height: 0; border-right: 1px solid var(--border); }
.viewer-toolbar {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  background: var(--panel); border-bottom: 1px solid var(--border); flex: 0 0 auto;
}
.viewer-toolbar button {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  width: 34px; height: 30px; border-radius: 6px; cursor: pointer; font-size: 16px;
}
.viewer-toolbar button:hover { border-color: var(--accent); }
.viewer-toolbar button.wide, .viewer-toolbar button[data-zoom="cell"] { width: auto; padding: 0 10px; font-size: 13px; }
.viewer-toolbar .chk { color: var(--muted); font-size: 12px; display: flex; align-items: center; gap: 4px; }
.viewer-toolbar .hint { color: var(--muted); font-size: 12px; }
.viewer-toolbar .imgmeta { margin-left: auto; color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.canvas {
  flex: 1 1 auto; overflow: hidden; position: relative; background: #0a0d11;
  cursor: grab;
}
.canvas.grabbing { cursor: grabbing; }
.imgwrap { position: absolute; top: 0; left: 0; transform-origin: 0 0; }
#pageimg {
  display: block; user-select: none; max-width: none;
  image-rendering: -webkit-optimize-contrast; background: #fff;
}
.cellbox {
  position: absolute; border: 2px solid #ffcc00;
  box-shadow: 0 0 0 9999px rgba(0,0,0,.28);  /* oscura il resto della pagina */
  pointer-events: auto; cursor: move;        /* trascinabile per riposizionare */
}
.cellbox.dragging { border-color: #ff8a00; }
/* Linee-guida (mirino) dal centro del riquadro, su tutta la pagina: aiutano a leggere colonna e riga */
/* Segmenti del mirino: si fermano ai bordi del riquadro (gap sulla casella). Posizioni via JS. */
.crosshair { position: absolute; pointer-events: none; z-index: 6; }
.crosshair.h { height: 0; border-top: 2px solid rgba(0,200,255,.95); }
.crosshair.v { width: 0; border-left: 2px solid rgba(0,200,255,.95); }
.cellbox-tag {
  position: absolute; top: -18px; left: -2px; white-space: nowrap;
  background: #ffcc00; color: #1a1400; font-size: 9px; font-weight: 700;
  padding: 1px 4px; border-radius: 3px;
}

/* ---- panel ---- */
.panel { background: var(--panel); overflow-y: auto; padding: 18px; }
.hidden { display: none !important; }

.loc { margin-bottom: 16px; }
.loc-page { color: var(--muted); font-size: 13px; }
.loc-station { font-weight: 600; font-size: 16px; margin: 2px 0; }
.loc-cell { color: var(--accent); font-size: 14px; }

/* ---- finder: dove guardare ---- */
.finder {
  display: flex; gap: 10px; align-items: flex-start;
  background: rgba(255,204,0,.07); border: 1px solid rgba(255,204,0,.3);
  border-radius: 10px; padding: 11px 13px; margin-bottom: 16px;
}
.finder-eye { font-size: 20px; line-height: 1.2; }
.finder-title { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: #e0b400; font-weight: 700; }
.finder-text { font-size: 15px; margin-top: 3px; }
.finder-note { font-size: 12px; color: var(--muted); margin-top: 5px; }

/* ---- confronto (sola lettura) ---- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.engine {
  border: 1px solid var(--border); border-radius: 10px; padding: 10px; text-align: center;
  background: var(--panel-2);
}
.engine-name { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.engine.claude .engine-name { color: var(--claude); }
.engine.codex .engine-name { color: var(--codex); }
.engine-val { font-size: 24px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; word-break: break-word; }

/* ---- decisione a pulsanti ---- */
.decide { margin-bottom: 14px; }
.decide-label { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.pick {
  position: relative; width: 100%; display: flex; align-items: center; gap: 10px;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 12px 14px; border-radius: 10px; cursor: pointer; font-size: 15px;
  text-align: left; margin-bottom: 9px; transition: border-color .1s, background .1s;
}
.pick:hover { border-color: var(--accent); }
.pick:disabled { opacity: .5; cursor: default; }
.pick.active { border-color: var(--accent); background: rgba(74,158,255,.15); }
.pick .pick-tag { font-weight: 600; }
.pick.claude .pick-tag { color: var(--claude); }
.pick.codex .pick-tag { color: var(--codex); }
.pick .pick-val {
  margin-left: auto; font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums;
  padding-right: 26px;
}
.pick .pick-sub { margin-left: auto; color: var(--muted); font-size: 12px; padding-right: 26px; }
.pick .pick-key {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  border: 1px solid var(--border); border-radius: 4px; font-size: 11px; color: var(--muted);
  padding: 1px 6px; background: var(--panel);
}
.pick.neither { border-style: dashed; }

/* ---- inserimento manuale ---- */
.entry {
  margin: 4px 0 8px; padding: 12px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--panel-2);
}
.entry label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
#truth {
  width: 100%; padding: 12px; font-size: 20px; text-align: center; font-weight: 600;
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; font-variant-numeric: tabular-nums;
}
#truth:focus { outline: none; border-color: var(--accent); }
.hint-kind { font-size: 12px; color: var(--muted); margin-top: 5px; }
.dup-warn { font-size: 12px; color: #e0b400; margin-top: 6px; min-height: 15px; }
.entry .actions { margin-top: 12px; }

.actions { display: flex; gap: 10px; }
.actions-main { display: flex; gap: 10px; margin-top: 6px; }
.btn {
  flex: 1; background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 12px; border-radius: 8px; cursor: pointer; font-size: 15px;
}
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #06121f; font-weight: 700; }
.btn.primary:hover { filter: brightness(1.08); }

.msg { margin-top: 12px; min-height: 18px; font-size: 13px; }
.msg.ok { color: var(--good); }
.msg.err { color: var(--bad); }

.empty { text-align: center; padding: 40px 10px; color: var(--muted); }
.empty h2 { color: var(--text); }

/* ---- responsive ---- */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .viewer { height: 50vh; border-right: none; border-bottom: 1px solid var(--border); }
}

/* ---- Auth (login / cambio password) ---------------------------------- */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card { width: 100%; max-width: 380px; background: #fff; border: 1px solid #e3e6ea;
  border-radius: 12px; padding: 28px; box-shadow: 0 6px 24px rgba(0,0,0,.06); }
.auth-card h1 { font-size: 1.15rem; margin: 0 0 4px; }
.auth-card .sub { color: #6b7280; font-size: .85rem; margin: 0 0 20px; }
.auth-card label { display: block; font-size: .8rem; color: #374151; margin: 14px 0 4px; }
.auth-card input { width: 100%; padding: 9px 11px; border: 1px solid #d1d5db; border-radius: 8px; font-size: .95rem; }
.auth-card button { width: 100%; margin-top: 20px; }
.auth-msg { margin-top: 14px; font-size: .85rem; min-height: 1.2em; }
.auth-msg.err { color: #b91c1c; }
.auth-msg.ok { color: #047857; }
.user-chip { font-size: .82rem; color: #374151; display: inline-flex; align-items: center; gap: 8px; }
.user-chip .role { font-size: .68rem; text-transform: uppercase; letter-spacing: .04em;
  background: #eef2ff; color: #4338ca; padding: 2px 6px; border-radius: 6px; }

/* ---- Dashboard admin ------------------------------------------------- */
.dash { max-width: 1100px; margin: 0 auto; padding: 20px; }
.dash h1 { font-size: 1.25rem; margin: 4px 0 2px; }
.dash .sub { color: #6b7280; font-size: .85rem; margin: 0 0 18px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.stat { background: #fff; border: 1px solid #e3e6ea; border-radius: 12px; padding: 16px 18px; }
.stat .k { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: #6b7280; }
.stat .v { font-size: 1.8rem; font-weight: 650; margin-top: 4px; color: #111827; }
.stat .n { font-size: .78rem; color: #6b7280; margin-top: 2px; }
.bar { height: 10px; border-radius: 6px; background: #eef0f3; overflow: hidden; margin-top: 10px; }
.bar > span { display: block; height: 100%; background: #2563eb; }
.split { display: flex; height: 10px; border-radius: 6px; overflow: hidden; margin-top: 10px; background:#eef0f3; }
.split .c { background: #2563eb; } .split .x { background: #7c3aed; }
.section-title { font-size: .95rem; font-weight: 650; margin: 26px 0 10px; }
table.grid { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid #e3e6ea; border-radius: 12px; overflow: hidden; }
table.grid th, table.grid td { text-align: left; padding: 9px 12px; font-size: .85rem; border-bottom: 1px solid #eef0f3; color: #1f2937; }
table.grid th { background: #f8fafc; color: #475569; font-weight: 600; }
table.grid td.muted, table.grid .muted { color: #6b7280; }
table.grid tr:last-child td { border-bottom: none; }
.pill { font-size: .68rem; padding: 2px 7px; border-radius: 999px; background: #eef2ff; color: #4338ca; }
.pill.warn { background: #fef3c7; color: #92400e; }
.muted { color: #9ca3af; }