/* NeonByte Grande Fratello — stesso design system dello spec doc
   (grandefratello_spec.html): palette, font stack, raggi, ombre. */

:root {
  --bg:        #0D1117;
  --bg2:       #161B22;
  --bg3:       #1C2128;
  --border:    #30363D;
  --border2:   #21262D;
  --text:      #E6EDF3;
  --text-sub:  #8B949E;
  --text-dim:  #6E7681;
  --accent:    #58A6FF;
  --accent2:   #1F6FEB;
  --green:     #3FB950;
  --orange:    #D29922;
  --red:       #F85149;
  --purple:    #BC8CFF;
  --cyan:      #39D0D8;
}

* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; }

/* ── LAYOUT ── */
.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--border);
  padding: 24px 0;
  background: var(--bg2);
}
.sidebar-logo {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.sidebar-logo .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  letter-spacing: -0.2px;
}
.sidebar-logo .brand-sub {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 12px;
}
.sidebar-logo .icon-brand {
  color: var(--accent);
  width: 18px; height: 18px;
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--accent) 55%, transparent));
}
.sidebar-logo .version {
  font-size: 11px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  margin-top: 4px;
}
.nav-group { padding: 10px 0; }
.nav-group-soon { border-top: 1px solid var(--border2); margin-top: 4px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 20px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-sub);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .15s, border-color .15s, background .15s;
}
.nav-item .icon { width: 16px; height: 16px; flex-shrink: 0; color: var(--text-dim); transition: color .15s; }
.nav-item:hover, .nav-item.active {
  color: var(--text);
  border-left-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.nav-item:hover .icon, .nav-item.active .icon { color: var(--accent); }
.nav-item.is-soon { color: var(--text-dim); }
.nav-item.is-soon .icon { color: var(--text-dim); }
.nav-item.is-soon:hover { background: none; border-left-color: transparent; color: var(--text-dim); cursor: default; }
.nav-item .badge { margin-left: auto; }

.main { padding: 28px 36px 60px; max-width: 1100px; }
@media (max-width: 700px) { .main { padding: 20px 16px 48px; } }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.topbar h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.topbar .user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-sub);
}
.topbar .user img {
  width: 28px; height: 28px; border-radius: 50%;
  border: 1px solid var(--border);
}
.logout-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-sub);
  font-size: 12.5px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 7px;
  cursor: pointer;
  font-family: inherit;
  transition: color .15s, border-color .15s, background .15s;
}
.logout-btn:hover { color: var(--red); border-color: color-mix(in srgb, var(--red) 40%, var(--border)); background: color-mix(in srgb, var(--red) 8%, transparent); }

/* ── ICONS ── */
.icon {
  width: 15px;
  height: 15px;
  vertical-align: -2.5px;
  flex-shrink: 0;
}
.icon-xs { width: 12px; height: 12px; vertical-align: -1.5px; }
.icon-sm { width: 14px; height: 14px; }
.icon-star { color: #F0B72F; }
.kpi-tile .value .icon-star { width: 17px; height: 17px; vertical-align: -2px; }
.badge .icon { vertical-align: -1px; margin-right: 2px; }

/* ── CARDS / KPI ── */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.kpi-tile {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  transition: border-color .15s;
}
.kpi-tile:hover { border-color: var(--border2); border-color: color-mix(in srgb, var(--accent) 25%, var(--border)); }
.kpi-tile .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.kpi-tile .value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
}
.kpi-tile .value .unit {
  font-size: 14px;
  color: var(--text-sub);
  font-weight: 500;
  margin-left: 4px;
}

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
}

/* ── TABLE ── */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  background: var(--bg3);
  color: var(--text-sub);
  font-weight: 600;
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border2);
  color: var(--text-sub);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: color-mix(in srgb, var(--accent) 4%, transparent); }
td.mono, .mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--cyan); }
td a { color: var(--accent); text-decoration: none; }
td a:hover { text-decoration: underline; }

/* ── BADGE ── */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: .01em;
}
.badge.ok    { background: color-mix(in srgb, var(--green) 15%, transparent); color: var(--green); }
.badge.warn  { background: color-mix(in srgb, var(--orange) 15%, transparent); color: var(--orange); }
.badge.err   { background: color-mix(in srgb, var(--red) 15%, transparent); color: var(--red); }
.badge.dim   { background: color-mix(in srgb, var(--text-dim) 15%, transparent); color: var(--text-dim); }

/* ── FORM / FILTERS ── */
.filters { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filters input, .filters select {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
}
.filters button {
  background: var(--accent2);
  color: #fff;
  border: none;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}

/* ── LOGIN PAGE ── */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  text-align: center;
  padding: 20px;
}
.login-screen .brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--accent);
}
.login-screen .sub {
  color: var(--text-sub);
  font-size: 14px;
  max-width: 320px;
}
.login-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}

/* ── USERBOT CARDS ── */
.userbot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
}
.userbot-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 16px;
  text-decoration: none;
  color: var(--text);
  transition: border-color .15s, transform .1s;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
}
.userbot-card:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); transform: translateY(-1px); }
.userbot-card-top { position: relative; margin-bottom: 10px; }
.userbot-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
  background: var(--bg3);
}
.userbot-avatar-placeholder { display: flex; align-items: center; justify-content: center; color: var(--text-dim); }
.userbot-avatar-placeholder .icon { width: 24px; height: 24px; }
.userbot-avatar-lg { width: 64px; height: 64px; }
.userbot-card-dot {
  position: absolute; bottom: 0; right: -2px;
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--bg2);
}
.userbot-card-dot.dot-ok { background: var(--green); }
.userbot-card-dot.dot-err { background: var(--red); }
.userbot-card-dot.dot-dim { background: var(--text-dim); }
.userbot-card-name { font-weight: 600; font-size: 14px; }
.userbot-card-username { font-size: 12px; color: var(--text-sub); }
.userbot-card-badges { display: flex; gap: 6px; margin: 8px 0 6px; flex-wrap: wrap; justify-content: center; }
.userbot-card-id { font-size: 10px; color: var(--text-dim); }

.userbot-header { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.userbot-header-name { font-family: 'Space Grotesk', sans-serif; font-size: 19px; font-weight: 700; }

/* ── MISC ── */
.empty-state {
  color: var(--text-dim);
  font-size: 13px;
  padding: 24px 0;
  text-align: center;
}
.section-sub { color: var(--text-sub); font-size: 13px; margin-bottom: 14px; }