@import url('/vendor/orbitron/500.css');
@import url('/vendor/orbitron/700.css');
@import url('/vendor/space-grotesk/400.css');
@import url('/vendor/space-grotesk/500.css');
@import url('/vendor/space-grotesk/600.css');

:root {
  --bg: #04050d;
  --bg-2: #0a0e24;
  --panel: rgba(16, 20, 46, 0.62);
  --panel-strong: rgba(20, 25, 58, 0.85);
  --border: rgba(130, 150, 255, 0.16);
  --border-strong: rgba(130, 150, 255, 0.34);
  --text: #e8ebff;
  --muted: #8c94c9;
  --faint: #5a6196;
  --hot: #ff8a5c;
  --cold: #4cc9ff;
  --violet: #a78bfa;
  --go: #3dffb5;
  --danger: #ff5c7a;
  --warn: #ffd166;
  --radius: 18px;
  --font-display: 'Orbitron', system-ui, sans-serif;
  --font-body: 'Space Grotesk', system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(ellipse 70% 50% at 85% -10%, rgba(167, 139, 250, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 45% at -10% 110%, rgba(76, 201, 255, 0.14), transparent 60%),
    radial-gradient(ellipse 40% 30% at 50% 50%, rgba(255, 138, 92, 0.05), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

/* Campo stellare: due strati di puntini a dimensioni diverse */
body::before, body::after {
  content: '';
  position: fixed;
  inset: -50%;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(1px 1px at 20px 30px, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 90px 120px, rgba(255,255,255,.7) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 160px 60px, rgba(200,210,255,.9) 50%, transparent 51%),
    radial-gradient(1px 1px at 230px 190px, rgba(255,255,255,.6) 50%, transparent 51%),
    radial-gradient(1px 1px at 40px 220px, rgba(255,255,255,.5) 50%, transparent 51%);
  background-size: 260px 260px;
  opacity: 0.55;
  animation: drift 240s linear infinite;
}
body::after {
  background-size: 420px 420px;
  opacity: 0.35;
  animation-duration: 420s;
  animation-direction: reverse;
}
@keyframes drift { to { transform: translate3d(260px, 130px, 0); } }

@media (prefers-reduced-motion: reduce) {
  body::before, body::after { animation: none; }
  * { animation-duration: 0s !important; transition-duration: 0s !important; }
}

.shell { position: relative; z-index: 1; }

h1, h2, h3, .display { font-family: var(--font-display); letter-spacing: 0.08em; font-weight: 500; }

a { color: var(--cold); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 20px 60px -30px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand-name { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.22em; font-size: 15px; }
.brand-name span { color: var(--muted); font-weight: 500; }

.btn {
  font: 600 14px var(--font-body);
  letter-spacing: 0.04em;
  color: var(--text);
  background: rgba(130, 150, 255, 0.08);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background .2s, border-color .2s, box-shadow .2s, transform .1s;
}
.btn:hover { background: rgba(130, 150, 255, 0.16); border-color: rgba(130, 150, 255, 0.55); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--cold); outline-offset: 2px; }
.btn-primary {
  background: linear-gradient(135deg, rgba(76, 201, 255, 0.9), rgba(167, 139, 250, 0.9));
  border-color: transparent;
  color: #060818;
  box-shadow: 0 8px 30px -10px rgba(76, 201, 255, 0.7);
}
.btn-primary:hover { background: linear-gradient(135deg, #6fd6ff, #b9a1ff); }
.btn-ghost { background: transparent; }

label { display: block; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }

input, select {
  width: 100%;
  font: 500 16px var(--font-body);
  color: var(--text);
  background: rgba(4, 6, 20, 0.6);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  transition: border-color .2s, box-shadow .2s;
}
input:hover, select:hover { border-color: var(--border-strong); }
input:focus { border-color: var(--cold); box-shadow: 0 0 0 4px rgba(76, 201, 255, 0.12); outline: none; }
input[aria-invalid="true"] { border-color: var(--danger); }

.alert { font-size: 14px; padding: 10px 14px; border-radius: 12px; margin: 0; }
.alert-error { color: #ffd1da; background: rgba(255, 92, 122, 0.12); border: 1px solid rgba(255, 92, 122, 0.35); }
.alert-ok { color: #c9ffec; background: rgba(61, 255, 181, 0.10); border: 1px solid rgba(61, 255, 181, 0.3); }
[hidden] { display: none !important; }

/* ---------- Login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.login-card { width: min(400px, 100%); padding: 36px 32px 32px; }
.login-card .brand { justify-content: center; margin-bottom: 8px; }
.login-card .brand svg { width: 64px; height: 64px; animation: float 6s ease-in-out infinite; }
.login-title { text-align: center; font-size: 13px; color: var(--muted); letter-spacing: .3em; margin: 4px 0 28px; }
.login-card form { display: grid; gap: 18px; }
.login-card .btn-primary { width: 100%; padding: 14px; margin-top: 6px; }
.login-foot { text-align: center; color: var(--faint); font-size: 12px; margin-top: 22px; letter-spacing: .08em; }
@keyframes float { 50% { transform: translateY(-6px) rotate(4deg); } }

/* ---------- Dashboard ---------- */
.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: rgba(4, 5, 13, 0.55);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 10;
}
.topbar .spacer { flex: 1; }
.topbar select { width: auto; padding: 8px 12px; font-size: 14px; }
.user { color: var(--muted); font-size: 14px; }

.status-pill {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--muted);
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(4, 6, 20, 0.5);
}
.status-pill strong { font-family: var(--font-display); font-size: 11px; letter-spacing: .18em; color: var(--text); font-weight: 500; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--faint); flex: none; }
.online .dot { background: var(--go); box-shadow: 0 0 0 0 rgba(61,255,181,.6); animation: ping 2s infinite; }
.offline .dot { background: var(--danger); }
@keyframes ping { 70% { box-shadow: 0 0 0 8px rgba(61,255,181,0); } 100% { box-shadow: 0 0 0 0 rgba(61,255,181,0); } }

main { max-width: 1280px; margin: 0 auto; padding: 28px 28px 60px; display: grid; gap: 22px; }

.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }

.tile { padding: 22px 22px 20px; position: relative; overflow: hidden; min-height: 168px; display: flex; flex-direction: column; }
.tile::before {
  content: ''; position: absolute; width: 220px; height: 220px; border-radius: 50%;
  right: -90px; top: -110px; background: radial-gradient(circle, var(--accent) 0%, transparent 65%); opacity: .22;
}
.tile-label { font-family: var(--font-display); font-size: 11px; letter-spacing: .24em; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.tile-label i { width: 8px; height: 8px; border-radius: 2px; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.tile-value { font-family: var(--font-display); font-weight: 700; font-size: clamp(34px, 3.6vw, 46px); margin: 18px 0 auto; letter-spacing: .02em; text-shadow: 0 0 24px color-mix(in srgb, var(--accent) 45%, transparent); font-variant-numeric: tabular-nums; }
.tile-value small { font-size: .45em; color: var(--muted); font-weight: 500; margin-left: 4px; text-shadow: none; }
.tile-meta { font-size: 13px; color: var(--muted); margin-top: 12px; }
.gauge { height: 4px; background: rgba(255,255,255,.06); border-radius: 4px; margin-top: 14px; overflow: hidden; }
.gauge > span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, transparent, var(--accent)); border-radius: 4px; transition: width .8s cubic-bezier(.2,.8,.2,1); }

.t-hot { --accent: var(--hot); }
.t-cold { --accent: var(--cold); }
.t-delta { --accent: var(--violet); }
.t-pump { --accent: var(--faint); }
.t-pump.on { --accent: var(--go); }

.pump-row { display: flex; align-items: center; gap: 18px; margin: 14px 0 auto; }
.pump-row .tile-value { margin: 0; font-size: clamp(26px, 2.6vw, 34px); }
.orbit { width: 64px; height: 64px; position: relative; flex: none; }
.orbit::before { content: ''; position: absolute; inset: 0; border-radius: 50%; border: 2px solid rgba(255,255,255,.1); }
.orbit::after {
  content: ''; position: absolute; inset: 22px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 18px var(--accent);
}
.orbit span { position: absolute; inset: 0; border-radius: 50%; }
.orbit span::before { content: ''; position: absolute; width: 10px; height: 10px; top: -5px; left: calc(50% - 5px); border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.t-pump.on .orbit span { animation: spin 1.6s linear infinite; }
.t-pump.on .orbit::before { border-color: color-mix(in srgb, var(--go) 40%, transparent); }
@keyframes spin { to { transform: rotate(360deg); } }

.card { padding: 24px; }
.card-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.card-head h2 { font-size: 14px; letter-spacing: .24em; margin: 0; }
.card-head .spacer { flex: 1; }

.tabs { display: inline-flex; padding: 4px; gap: 4px; border-radius: 12px; background: rgba(4,6,20,.6); border: 1px solid var(--border); }
.tabs button { font: 600 12px var(--font-display); letter-spacing: .14em; color: var(--muted); background: transparent; border: 0; border-radius: 9px; padding: 8px 14px; cursor: pointer; }
.tabs button:hover { color: var(--text); }
.tabs button[aria-selected="true"] { color: #060818; background: linear-gradient(135deg, var(--cold), var(--violet)); }

.legend { display: flex; gap: 18px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend i { width: 14px; height: 3px; border-radius: 2px; background: var(--c); }
.legend .area i { height: 10px; opacity: .5; }

.chart-box { position: relative; height: 340px; }
.chart-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--faint); font-size: 14px; letter-spacing: .1em; }

.config-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }
.field small { display: block; color: var(--faint); font-size: 12px; margin-top: 6px; }
.unit { position: relative; }
.unit input { padding-right: 46px; }
.unit::after { content: attr(data-unit); position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--faint); font-size: 14px; pointer-events: none; }
.config-foot { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 22px; }
.config-foot .spacer { flex: 1; }
.badge { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.badge.ok { color: var(--go); border-color: rgba(61,255,181,.35); background: rgba(61,255,181,.06); }
.badge.pending { color: var(--warn); border-color: rgba(255,209,102,.35); background: rgba(255,209,102,.06); }
.version { font-family: var(--font-display); font-size: 12px; letter-spacing: .14em; color: var(--muted); }

@media (max-width: 1100px) {
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .config-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .tile-value { font-size: clamp(30px, 5vw, 42px); }
}
@media (max-width: 760px) {
  .topbar { padding: 12px 20px; gap: 10px 12px; }
  main { padding: 20px 20px 48px; gap: 18px; }
  .card { padding: 20px; }
  .chart-box { height: 280px; }
  .user { display: none; }
}

/* ---------- Telefono ---------- */
@media (max-width: 640px) {
  .topbar {
    position: static;
    display: grid;
    grid-template-columns: 1fr auto;
    padding: calc(10px + env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 12px max(16px, env(safe-area-inset-left));
  }
  .topbar .spacer { display: none; }
  .topbar .brand { grid-column: 1; grid-row: 1; }
  .topbar #logout { grid-column: 2; grid-row: 1; padding: 8px 14px; }
  .topbar .status-pill { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; }
  .topbar select { grid-column: 1 / -1; width: 100%; }
  .brand svg { width: 28px; height: 28px; }
  .brand-name { font-size: 13px; letter-spacing: .18em; }
  .status-pill { padding: 6px 12px; font-size: 12px; }
  #status-time { margin-left: auto; }

  main {
    padding: 14px max(12px, env(safe-area-inset-right)) calc(32px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    gap: 12px;
  }
  .panel { --radius: 14px; }

  .tiles { gap: 10px; }
  .tile { min-height: 0; padding: 14px; }
  .tile::before { width: 150px; height: 150px; right: -70px; top: -80px; }
  .tile-label { font-size: 10px; letter-spacing: .16em; }
  .tile-value { font-size: clamp(24px, 8vw, 32px); margin: 10px 0 auto; }
  .tile-meta { font-size: 11px; margin-top: 8px; line-height: 1.35; }
  .gauge { margin-top: 10px; }
  .pump-row { gap: 10px; margin: 10px 0 auto; }
  .pump-row .tile-value { font-size: clamp(15px, 5vw, 20px); }
  .orbit { width: 38px; height: 38px; }
  .orbit::after { inset: 13px; }
  .orbit span::before { width: 7px; height: 7px; top: -3.5px; left: calc(50% - 3.5px); }

  .card { padding: 16px 14px; }
  .card-head { gap: 10px 12px; margin-bottom: 14px; }
  .card-head h2 { font-size: 12px; letter-spacing: .2em; }
  .legend { order: 3; width: 100%; gap: 14px; font-size: 12px; }
  .tabs { display: flex; width: 100%; order: 4; }
  .tabs button { flex: 1; padding: 10px 0; min-height: 40px; }
  #range-tabs + .spacer, .card-head .spacer { display: none; }
  .chart-box { height: 240px; margin: 0 -4px; }

  .config-grid { grid-template-columns: 1fr 1fr; gap: 14px 12px; }
  .config-grid .field:first-child { grid-column: 1 / -1; }
  label { font-size: 11px; letter-spacing: .08em; }
  /* etichette su due righe: gli input restano allineati */
  .config-grid .field { display: flex; flex-direction: column; }
  .config-grid .field label { flex: 1; }
  .config-foot { margin-top: 18px; gap: 10px; }
  .config-foot .alert { width: 100%; }
  .config-foot .btn { flex: 1 1 100%; padding: 13px 16px; }
  .config-foot .btn-primary { order: -1; }

  .login-wrap { min-height: 100dvh; padding: calc(20px + env(safe-area-inset-top)) 16px calc(20px + env(safe-area-inset-bottom)); }
  .login-card { padding: 28px 20px 24px; }
}
@media (max-width: 360px) {
  .tiles, .config-grid { grid-template-columns: 1fr; }
  .tile-meta { font-size: 12px; }
}
@media (hover: none) {
  .btn, .tabs button { -webkit-tap-highlight-color: transparent; }
}
#login-brand { text-align: center; margin: 10px 0 0; }
.c-hot { --c: var(--hot); } .c-cold { --c: var(--cold); } .c-go { --c: var(--go); }