:root {
  --bg: #f3f5f7; --card: #ffffff; --text: #0f172a; --muted: #64748b; --line: #dfe5ec;
  --field: #f8fafc; --accent: #0f766e; --accent-ink: #ffffff; --danger: #b91c1c;
  --ok: #10b981; --warn: #f59e0b; --shadow: 0 1px 2px rgba(15,23,42,.05), 0 6px 20px rgba(15,23,42,.06);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220; --card: #111a2d; --text: #e2e8f0; --muted: #94a3b8; --line: #22304a;
    --field: #0d1527; --accent: #2dd4bf; --accent-ink: #04302c; --danger: #f87171; --shadow: none;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main {
  max-width: 880px; margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 56px max(16px, env(safe-area-inset-left));
}
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; box-shadow: var(--shadow); }

/* --- blocco */
.lock { min-height: 100vh; display: grid; place-items: center; }
.lock-card { width: 100%; max-width: 430px; display: grid; gap: 14px; padding: 24px; }
.logo { display: flex; align-items: center; gap: 12px; }
h1 { margin: 0; font-size: 1.5rem; letter-spacing: -.01em; }
.sub { margin: -4px 0 2px; color: var(--muted); font-size: .94rem; }
label { display: grid; gap: 6px; font-weight: 600; font-size: .92rem; }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 500; flex-wrap: wrap; }
label.check input { width: 18px; height: 18px; margin: 0; accent-color: var(--accent); }
.hint { color: var(--muted); font-weight: 400; }
.msg { margin: 0; min-height: 1.3em; color: var(--danger); font-size: .92rem; }

/* --- campi e bottoni */
input[type=text], input[type=password], textarea, select {
  font: inherit; color: inherit; background: var(--field);
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; width: 100%;
}
textarea {
  resize: vertical; min-height: 120px;
  font: .93rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
select { width: auto; padding: 8px 10px; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
button {
  font: inherit; font-weight: 600; font-size: .95rem; border-radius: 10px; padding: 9px 16px;
  border: 1px solid transparent; cursor: pointer; touch-action: manipulation;
}
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button.primary { background: var(--accent); color: var(--accent-ink); }
button.primary:hover { filter: brightness(1.08); }
button.ghost { background: transparent; color: var(--text); border-color: var(--line); }
button.ghost:hover { background: var(--field); }
button.danger { color: var(--danger); }
button.big { padding: 12px 16px; font-size: 1rem; }
button:disabled { opacity: .55; cursor: progress; }

/* --- barra */
.bar { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 8px; min-width: 0; }
.board { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.board:not(:empty)::before { content: "\00b7  "; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--warn); flex: none; }
.dot.on { background: var(--ok); }
.actions { display: flex; gap: 8px; flex: none; }

/* --- composizione e lista */
.composer { display: grid; gap: 10px; margin-bottom: 18px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.spacer { flex: 1; }
.list { display: grid; gap: 12px; }
.clip.latest { border-color: var(--accent); }
.meta { display: flex; gap: 6px 14px; flex-wrap: wrap; color: var(--muted); font-size: .85rem; margin-bottom: 8px; }
.who { color: var(--text); font-weight: 600; }
.size:empty, .exp:empty { display: none; }
.text {
  margin: 0 0 10px; padding: 10px 12px; background: var(--field); border: 1px solid var(--line);
  border-radius: 10px; max-height: 18em; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere;
  font: .93rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
.text.masked { letter-spacing: 3px; color: var(--muted); }
.text.bad { color: var(--danger); font-family: inherit; }
button.copy { min-width: 128px; }

/* --- file */
.file {
  display: flex; align-items: center; gap: 10px; margin: 0 0 10px; padding: 12px;
  background: var(--field); border: 1px solid var(--line); border-radius: 10px; min-width: 0;
}
.file-ico { font-size: 1.25rem; flex: none; }
.file-name { font-weight: 600; overflow-wrap: anywhere; min-width: 0; }
.uploads:empty { display: none; }
.uploads { margin-bottom: 12px; }
.upload { display: grid; gap: 8px; border-style: dashed; }
.upload .row { flex-wrap: nowrap; }
.upload .size { color: var(--muted); font-size: .85rem; flex: none; }
.upload .status { color: var(--muted); font-size: .85rem; }
progress { width: 100%; height: 8px; border: 0; border-radius: 99px; overflow: hidden; background: var(--field); accent-color: var(--accent); }
progress::-webkit-progress-bar { background: var(--field); }
progress::-webkit-progress-value { background: var(--accent); border-radius: 99px; }
progress::-moz-progress-bar { background: var(--accent); border-radius: 99px; }
.quota { margin: 0; color: var(--muted); font-size: .82rem; }
.quota:empty { display: none; }
.drop {
  position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; padding: 24px;
  background: rgba(15, 118, 110, .18); backdrop-filter: blur(2px); pointer-events: none;
}
.drop > div {
  border: 3px dashed var(--accent); border-radius: 18px; background: var(--card); color: var(--text);
  padding: 36px 40px; font-size: 1.2rem; font-weight: 700; box-shadow: var(--shadow);
}
.empty { color: var(--muted); text-align: center; margin: 36px 0; }

.toast {
  position: fixed; left: 50%; bottom: max(20px, env(safe-area-inset-bottom)); transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px; font-weight: 600;
  box-shadow: 0 8px 28px rgba(0,0,0,.25); max-width: calc(100% - 32px); text-align: center; z-index: 10;
}
.toast.bad { background: var(--danger); color: #fff; border-radius: 14px; }

@media (max-width: 560px) {
  .composer .row > select { flex: 1 1 100%; width: 100%; }
  .composer .row > button { flex: 1; }
  .composer .spacer { display: none; }
  button.copy { flex: 1; }
  .bar strong { display: none; }
}