/* Stili del pannello admin. File esterno: la CSP vieta gli style inline. */

:root {
  color-scheme: light dark;
  --bg: #f4f6f5;
  --card: #ffffff;
  --fg: #1b2a20;
  --muted: #6b7a70;
  --border: #dde4df;
  --accent: #2f855a;
  --ok-bg: #e7f6ec; --ok-fg: #1f6b42;
  --warn-bg: #fff5e0; --warn-fg: #8a5a00;
  --off-bg: #fdecea; --off-fg: #a02c22;
  --admin-bg: #ebe4fb; --admin-fg: #5b3fa8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111614; --card: #1a211d; --fg: #e8efe9; --muted: #94a49a;
    --border: #2b352f; --accent: #68d391;
    --ok-bg: #17301f; --ok-fg: #8fe0ab;
    --warn-bg: #33280f; --warn-fg: #f0c674;
    --off-bg: #351c19; --off-fg: #f5a9a0;
    --admin-bg: #2a2340; --admin-fg: #c3b0f5;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.5rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.topbar__brand { margin: 0; font-size: 1.1rem; }
.topbar__link { color: var(--accent); text-decoration: none; font-weight: 600; }

/* Tabs */
.tabs {
  display: flex; gap: 0.25rem; padding: 0 1rem;
  background: var(--card); border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.tab {
  padding: 0.85rem 1.1rem; border: none; background: none; cursor: pointer;
  color: var(--muted); font-size: 0.95rem; font-weight: 600; white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

main { padding: 1.5rem; max-width: 1400px; margin: 0 auto; }
.panel__title { font-size: 1.05rem; margin: 2rem 0 0.9rem; }
.panel__title:first-child { margin-top: 0; }

/* Statistiche */
.stat-grid {
  display: grid; gap: 0.9rem;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
}
.stat {
  display: flex; flex-direction: column; gap: 0.3rem;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 0.6rem; padding: 1.1rem;
}
.stat__value { font-size: 1.6rem; font-weight: 700; }
.stat__label { font-size: 0.8rem; color: var(--muted); }

/* Tabelle: scrollano dentro il proprio contenitore, così la pagina non
   scrolla mai in orizzontale sui telefoni. */
.table-scroll {
  overflow-x: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
}
.grid { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.grid th, .grid td {
  padding: 0.7rem 0.85rem; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.grid th { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.grid tr:last-child td { border-bottom: none; }

/* Pannello sessioni: una riga che si apre sotto quella dell'utente, sullo
   sfondo della pagina invece che su quello della tabella, così si distingue
   subito da una riga-dati vera. */
.sessions-row > td { background: var(--bg); padding: 0.85rem; }
.sessions-list { display: flex; flex-direction: column; gap: 0.6rem; }
.sessions-list__item {
  display: flex; flex-wrap: wrap; gap: 0.2rem 0.9rem; align-items: baseline;
  padding-bottom: 0.6rem; border-bottom: 1px solid var(--border);
}
.sessions-list__item:last-child { border-bottom: none; padding-bottom: 0; }
.sessions-list__device { font-weight: 600; font-size: 0.85rem; }

/* Badge */
.badge {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px;
  font-size: 0.72rem; font-weight: 700; white-space: nowrap;
  background: var(--border); color: var(--muted);
}
.badge--ok { background: var(--ok-bg); color: var(--ok-fg); }
.badge--warn { background: var(--warn-bg); color: var(--warn-fg); margin-left: 0.4rem; }
.badge--off { background: var(--off-bg); color: var(--off-fg); }
.badge--admin { background: var(--admin-bg); color: var(--admin-fg); }
.badge--muted { background: var(--border); color: var(--muted); }

/* Pulsanti */
.btn {
  padding: 0.55rem 1rem; border: none; border-radius: 0.45rem;
  background: var(--accent); color: #fff; font-weight: 600; font-size: 0.9rem;
  cursor: pointer;
}
.btn--sm { padding: 0.35rem 0.65rem; font-size: 0.78rem; }
.btn--ghost { background: transparent; color: var(--accent); border: 1px solid var(--border); }
.btn:hover:not(:disabled) { filter: brightness(1.08); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }
.actions { display: flex; gap: 0.3rem; flex-wrap: wrap; }

/* Toolbar e pager */
.toolbar {
  display: flex; gap: 0.6rem; margin-bottom: 0.9rem; flex-wrap: wrap; align-items: center;
}
.toolbar input[type="search"], .toolbar select {
  padding: 0.5rem 0.7rem; border: 1px solid var(--border); border-radius: 0.45rem;
  background: var(--card); color: var(--fg); font-size: 0.9rem;
}
.toolbar input[type="search"] { flex: 1; min-width: 12rem; }
.check { display: flex; align-items: center; gap: 0.4rem; font-size: 0.9rem; }
.pager {
  display: flex; gap: 0.75rem; align-items: center; justify-content: center;
  margin-top: 1rem; flex-wrap: wrap;
}

/* Impostazioni */
.settings {
  display: grid; gap: 1.1rem; max-width: 34rem;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 0.6rem; padding: 1.4rem;
}
.field { display: block; }
.field__label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 0.35rem; }
.field__hint { display: block; font-size: 0.78rem; color: var(--muted); margin-top: 0.3rem; }
.field input {
  width: 100%; padding: 0.55rem 0.7rem; border: 1px solid var(--border);
  border-radius: 0.45rem; background: var(--bg); color: var(--fg); font-size: 0.9rem;
}
.field input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* Card errori */
.cards { display: grid; gap: 0.9rem; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 0.6rem; padding: 1.1rem;
}
.card--muted { opacity: 0.6; }
.card__head { display: flex; gap: 0.9rem; flex-wrap: wrap; align-items: baseline; margin-bottom: 0.5rem; }
.card__msg { margin: 0.3rem 0 0.6rem; font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 0.85rem; }
.trace {
  overflow-x: auto; background: var(--bg); border: 1px solid var(--border);
  border-radius: 0.4rem; padding: 0.8rem; font-size: 0.75rem; line-height: 1.5;
}
details summary { cursor: pointer; font-size: 0.85rem; color: var(--accent); margin: 0.5rem 0; }

/* Varie */
.notice {
  padding: 0.75rem 0.95rem; border-radius: 0.45rem; font-size: 0.88rem;
  background: var(--card); border: 1px solid var(--border); margin: 0 0 1.2rem;
}
.notice--ok { background: var(--ok-bg); color: var(--ok-fg); border-color: transparent; }
.notice--warn { background: var(--warn-bg); color: var(--warn-fg); border-color: transparent; }
.muted { color: var(--muted); font-size: 0.82rem; }
code { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 0.8rem; }
code.small { font-size: 0.72rem; word-break: break-all; }

.toast {
  position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%);
  padding: 0.75rem 1.25rem; border-radius: 0.5rem; font-size: 0.9rem; font-weight: 600;
  background: var(--card); border: 1px solid var(--border); z-index: 50;
  box-shadow: 0 6px 24px rgb(0 0 0 / 0.14);
}
.toast--success { background: var(--ok-bg); color: var(--ok-fg); }
.toast--error { background: var(--off-bg); color: var(--off-fg); }