:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1d2733;
  --muted: #66707c;
  --line: #dde1e6;
  --accent: #1f6f54;
  --accent-ink: #ffffff;
  --warn: #9a6700;
  --error: #b3261e;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font: 15px/1.45 "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
.hidden { display: none !important; }
button {
  font: inherit;
  border: none;
  border-radius: 8px;
  padding: 7px 14px;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}
button:hover { filter: brightness(1.08); }
button:disabled { opacity: .5; cursor: default; }
button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}
input, select, textarea {
  font: inherit;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 10px;
  background: #fff;
}
textarea { resize: vertical; }
.error { color: var(--error); font-size: 13px; min-height: 18px; }
.warn { color: var(--warn); font-size: 13px; }

/* ---------- login ---------- */
#login-overlay {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  z-index: 50;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  width: 320px;
  display: flex; flex-direction: column; gap: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,.08);
}
.login-card h1 { margin: 0; font-size: 26px; color: var(--accent); }
.login-sub { margin: 0 0 6px; color: var(--muted); font-size: 13px; }

/* ---------- layout ---------- */
#app {
  display: flex; flex-direction: column;
  height: 100vh;
  padding: 10px;
  gap: 10px;
}
header {
  display: flex; align-items: center; gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 14px;
}
.brand { font-weight: 700; font-size: 18px; color: var(--accent); margin-right: 8px; }
.proj-label { color: var(--muted); font-size: 13px; }
#project-select { min-width: 220px; }
#project-new { padding: 5px 12px; font-weight: 700; }
.spacer { flex: 1; }
#user-name { color: var(--muted); font-size: 14px; }

/* ---------- fascia di cattura ---------- */
.capture-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  display: flex; flex-direction: column; gap: 8px;
  min-height: 190px;
}
.card h2 { margin: 0; font-size: 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.card textarea { flex: 1; min-height: 84px; }
.card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  min-height: 32px;
}
.card-status { font-size: 12.5px; color: var(--muted); }
.card-status.ok { color: var(--accent); }
.card-status.err { color: var(--error); }

#appt-proposal { display: flex; flex-direction: column; gap: 6px; }
.appt-row { display: flex; gap: 6px; }
.appt-row input { flex: 1; min-width: 0; }
.appt-actions { display: flex; justify-content: flex-end; gap: 6px; }

#dropzone {
  flex: 1;
  border: 2px dashed var(--line);
  border-radius: 8px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; color: var(--muted); text-align: center;
  padding: 10px;
}
#dropzone.drag { border-color: var(--accent); background: #eef6f2; }
#dropzone p { margin: 0; font-size: 13px; }

/* ---------- area principale ---------- */
.main-area {
  flex: 1;
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 10px;
  min-height: 0;
}
.sidebar {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex; flex-direction: column;
  min-height: 0;
}
.tabs { display: flex; border-bottom: 1px solid var(--line); }
.tab {
  flex: 1;
  background: transparent; color: var(--muted);
  border-radius: 0; padding: 9px 4px; font-size: 13px;
}
.tab.active { color: var(--accent); font-weight: 600; box-shadow: inset 0 -2px var(--accent); }
#tab-content { flex: 1; overflow-y: auto; padding: 10px; }

.item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 8px;
  font-size: 13.5px;
  display: flex; gap: 8px; align-items: flex-start;
}
.item .grow { flex: 1; min-width: 0; }
.item .title { font-weight: 600; }
.item .meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.item .summary { margin-top: 4px; }
.item.done .title { text-decoration: line-through; color: var(--muted); }
.item input[type="checkbox"] { margin-top: 3px; }
.item .mini {
  background: transparent; color: var(--muted);
  padding: 0 4px; font-size: 15px; line-height: 1;
}
.item .mini:hover { color: var(--error); }
.prio1 { border-left: 3px solid var(--error); }
.prio3 { opacity: .8; }
.empty { color: var(--muted); font-size: 13px; text-align: center; margin-top: 20px; }

/* ---------- chat ---------- */
.chat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex; flex-direction: column;
  min-height: 0;
}
#chat-messages {
  flex: 1; overflow-y: auto;
  padding: 16px;
  display: flex; flex-direction: column; gap: 10px;
}
.msg { max-width: 78%; padding: 9px 13px; border-radius: 12px; white-space: pre-wrap; }
.msg.user { align-self: flex-end; background: var(--accent); color: var(--accent-ink); }
.msg.assistant { align-self: flex-start; background: #eef1f4; }
.msg .badge {
  display: block; margin-top: 6px; font-size: 11px; color: var(--muted);
}
.msg.thinking { color: var(--muted); font-style: italic; }
#chat-form {
  display: flex; gap: 8px; align-items: flex-end;
  border-top: 1px solid var(--line);
  padding: 10px;
}
#chat-model { width: 130px; }
#chat-input { flex: 1; max-height: 140px; }

@media (max-width: 1100px) {
  .capture-band { grid-template-columns: repeat(2, 1fr); }
  .main-area { grid-template-columns: 1fr; }
}