:root {
  --bg: #0f1115;
  --card: #171a21;
  --card-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e9ef;
  --muted: #99a1b3;
  --accent: #f55036;      /* arancio Claude-ish */
  --accent-2: #ff6b52;
  --ok: #37c871;
  --warn: #f5b73b;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #1a1f2b, var(--bg)) fixed;
  color: var(--text);
  line-height: 1.5;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 20px 24px; max-width: 900px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 34px; }
.brand h1 { margin: 0; font-size: 20px; letter-spacing: .3px; }
.brand p { margin: 2px 0 0; color: var(--muted); font-size: 13px; max-width: 560px; }

.pill {
  font-size: 12px; padding: 4px 10px; border-radius: 999px;
  background: var(--card-2); border: 1px solid var(--border); color: var(--muted);
}
.pill.ok { color: var(--ok); border-color: rgba(55,200,113,.4); }
.pill.err { color: var(--accent); border-color: rgba(245,80,54,.4); }

main { max-width: 900px; margin: 0 auto; padding: 8px 24px 80px; display: grid; gap: 18px; }

.card {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.step-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.step-head h2 { margin: 0; font-size: 17px; }
.badge {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 14px;
  display: grid; place-items: center; flex: none;
}

.input-modes { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: stretch; }
.mode { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.mode h3 { margin: 0 0 12px; font-size: 15px; }
.mode-divider { align-self: center; color: var(--muted); font-size: 13px; }

.rec-controls { display: flex; align-items: center; gap: 12px; }
.rec-time { font-variant-numeric: tabular-nums; color: var(--accent); font-weight: 600; }
#rec-preview { width: 100%; margin-top: 12px; }

.dropzone {
  display: grid; place-items: center; text-align: center;
  min-height: 70px; padding: 14px; cursor: pointer;
  border: 1.5px dashed var(--border); border-radius: 10px; color: var(--muted);
  transition: border-color .15s, color .15s, background .15s;
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); color: var(--text); background: rgba(245,80,54,.06); }
.hint { color: var(--muted); font-size: 12px; margin: 8px 0 0; }

.row { display: flex; align-items: center; gap: 14px; margin-top: 18px; }
.row.end { justify-content: flex-end; }
label { color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 8px; }
select, textarea {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 9px; padding: 9px 11px; font-size: 14px;
  font-family: inherit;
}
select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { width: 100%; resize: vertical; line-height: 1.55; }

.btn {
  background: var(--card-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 16px; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: transform .05s, filter .15s, background .15s;
}
.btn:hover { filter: brightness(1.12); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: linear-gradient(180deg, var(--accent-2), var(--accent)); border-color: transparent; color: #fff; }
.btn.rec-on { background: linear-gradient(180deg, #ff5a5a, #e23a3a); border-color: transparent; color:#fff; animation: pulse 1.3s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(226,58,58,.5); } 50% { box-shadow: 0 0 0 8px rgba(226,58,58,0); } }

.summary {
  background: var(--bg); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 10px; padding: 14px 16px; color: var(--text); font-size: 14px; white-space: pre-wrap;
}
.summary:empty { display: none; }

.todo-toolbar { display: flex; align-items: center; justify-content: space-between; margin: 16px 0 8px; gap: 12px; flex-wrap: wrap; }
.check-all { cursor: pointer; }

.todo-list { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 10px; }
.todo {
  display: grid; grid-template-columns: auto 1fr; gap: 12px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 11px; padding: 14px 16px;
}
.todo input[type=checkbox] { margin-top: 4px; width: 17px; height: 17px; accent-color: var(--accent); cursor: pointer; }
.todo .t-title { font-weight: 600; font-size: 14.5px; }
.todo .t-desc { color: var(--muted); font-size: 13px; margin-top: 4px; }
.todo .t-meta { display: flex; gap: 8px; margin-top: 8px; }
.tag { font-size: 11px; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }
.tag.p-alta { color: var(--accent); border-color: rgba(245,80,54,.4); }
.tag.p-media { color: var(--warn); border-color: rgba(245,183,59,.4); }
.tag.p-bassa { color: var(--muted); }
.tag.cat { color: #7fb0ff; border-color: rgba(127,176,255,.35); }

.hidden { display: none !important; }

.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--card-2); border: 1px solid var(--border); color: var(--text);
  padding: 11px 18px; border-radius: 10px; font-size: 14px; box-shadow: var(--shadow); z-index: 50;
}
.toast.err { border-color: var(--accent); color: #ffd0c8; }

.overlay {
  position: fixed; inset: 0; background: rgba(8,10,14,.72);
  display: grid; place-items: center; gap: 16px; grid-auto-flow: row; z-index: 60; color: var(--muted);
}
.spinner {
  width: 42px; height: 42px; border-radius: 50%;
  border: 4px solid var(--border); border-top-color: var(--accent); animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Autenticazione ---- */
.auth-screen {
  position: fixed; inset: 0; display: grid; place-items: center; padding: 20px;
  background: radial-gradient(900px 500px at 30% -10%, #1a1f2b, var(--bg));
}
.auth-card {
  width: 100%; max-width: 400px; background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--border); border-radius: 16px; padding: 30px; box-shadow: var(--shadow);
}
.auth-brand { display: flex; align-items: center; gap: 12px; }
.auth-brand h1 { margin: 0; font-size: 22px; }
.auth-brand .logo { font-size: 30px; }
.auth-sub { color: var(--muted); font-size: 13px; margin: 6px 0 22px; }
.auth-tabs { display: flex; gap: 6px; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 4px; margin-bottom: 20px; }
.auth-tab { flex: 1; background: transparent; border: none; color: var(--muted); padding: 9px; border-radius: 7px; cursor: pointer; font-size: 14px; font-weight: 600; }
.auth-tab.active { background: var(--accent); color: #fff; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; color: var(--muted); font-size: 13px; }
.field input {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 9px; padding: 11px 12px; font-size: 14px; font-family: inherit;
}
.field input:focus { outline: none; border-color: var(--accent); }
.auth-note { color: var(--muted); font-size: 12px; margin: 0 0 16px; }
.auth-error { color: #ffd0c8; background: rgba(245,80,54,.12); border: 1px solid rgba(245,80,54,.35); border-radius: 8px; padding: 9px 12px; font-size: 13px; margin: 12px 0 0; }
.btn.full { width: 100%; justify-content: center; display: flex; }

/* ---- Header user box ---- */
.user-box { display: flex; align-items: center; gap: 10px; }
.user-email { color: var(--muted); font-size: 13px; }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn.danger { color: #ffb4a8; border-color: rgba(245,80,54,.4); }
.btn.danger:hover { background: rgba(245,80,54,.12); }

/* ---- Layout con sidebar ---- */
.layout { max-width: 1120px; margin: 0 auto; padding: 8px 24px 80px; display: grid; grid-template-columns: 260px 1fr; gap: 18px; align-items: start; }
.layout main { display: grid; gap: 18px; padding: 0; max-width: none; }

.sidebar { position: sticky; top: 12px; display: grid; gap: 10px; }
.conv-list-head { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; margin-top: 8px; }
.conv-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.conv-item {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; cursor: pointer; transition: border-color .12s, background .12s;
}
.conv-item:hover { border-color: var(--accent); }
.conv-item.active { border-color: var(--accent); background: rgba(245,80,54,.08); }
.conv-item .c-title { font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv-item .c-meta { font-size: 11px; color: var(--muted); margin-top: 3px; }
.sidebar-empty { color: var(--muted); font-size: 12px; padding: 4px 2px; }

/* ---- Save bar ---- */
.save-bar { display: flex; align-items: center; gap: 12px; padding: 14px 18px; }
.conv-title { flex: 1; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 9px; padding: 10px 12px; font-size: 15px; font-weight: 600; font-family: inherit; }
.conv-title:focus { outline: none; border-color: var(--accent); }
.save-actions { display: flex; align-items: center; gap: 10px; }
.save-state { color: var(--muted); font-size: 12px; }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}
@media (max-width: 680px) {
  .input-modes { grid-template-columns: 1fr; }
  .mode-divider { padding: 4px 0; }
}