/* ─── VARIABILI ───────────────────────────────────────────── */
:root {
  --pri:    #0284c7;
  --pri2:   #0ea5e9;
  --pridk:  #0c3d6b;
  --ok:     #059669;
  --oklt:   #d1fae5;
  --warn:   #d97706;
  --warnlt: #fef3c7;
  --dng:    #dc2626;
  --dnglt:  #fee2e2;
  --bg:     #f0f4f8;
  --sf:     #ffffff;
  --sf2:    #f8fafc;
  --brd:    #e2e8f0;
  --txt:    #0f172a;
  --txt2:   #475569;
  --txt3:   #94a3b8;
  --mono:   'JetBrains Mono', monospace;
  --ui:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --safe-top:    env(safe-area-inset-top);
  --safe-bottom: env(safe-area-inset-bottom);
}

* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html, body { height:100%; }

body {
  font-family: var(--ui);
  background: var(--bg);
  color: var(--txt);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

#app { height: 100vh; height: -webkit-fill-available; display: flex; flex-direction: column; }

button, input, select { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
input { -webkit-appearance: none; appearance: none; }

/* SCREEN BASE */
.scr {
  flex:1; display:flex; flex-direction:column;
  height:100%; overflow:hidden;
  background: var(--bg);
  animation: fade .25s ease;
}

@keyframes fade { from{opacity:0;transform:translateX(8px);} to{opacity:1;transform:translateX(0);} }

.scroll {
  flex:1; overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  padding-top: var(--safe-top);
}

.scr-with-tabs .scroll { padding-bottom: 8px; }

/* LOADER */
.loader { display:flex; justify-content:center; align-items:center; padding:48px; }
.spinner {
  width:32px; height:32px;
  border:3px solid var(--brd);
  border-top-color: var(--pri);
  border-radius:50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to{transform:rotate(360deg);} }

/* ─── LOGIN ───────────────────────────────────────────────── */
.scr-login {
  background: linear-gradient(160deg,#061228 0%,#0a3d6b 50%,#0284c7 100%);
  position: relative; overflow: hidden;
}
.scr-login::before {
  content:''; position:absolute; width:300px; height:300px;
  background: radial-gradient(circle,rgba(14,165,233,.25) 0%,transparent 70%);
  top:-80px; right:-80px; pointer-events:none;
}
.login-body {
  flex:1; display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  padding: calc(24px + var(--safe-top)) 24px 24px;
  position: relative;
}
.login-logo {
  width:64px; height:64px; border-radius:20px;
  background:rgba(255,255,255,.1); border:1.5px solid rgba(255,255,255,.22);
  display:flex; align-items:center; justify-content:center;
  font-size:30px; margin-bottom:16px;
}
.login-title { font-size:26px; font-weight:800; color:#fff; letter-spacing:-.5px; }
.login-sub { font-size:12px; color:rgba(255,255,255,.5); margin: 3px 0 28px; text-align:center; }
.login-card {
  width:100%; max-width:380px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:18px; padding:20px;
  display:flex; flex-direction:column; gap:12px;
}
.lbl {
  display:block; font-size:9px; font-weight:700; letter-spacing:1.8px;
  color:rgba(255,255,255,.45); text-transform:uppercase; margin-bottom:4px;
}
.finput {
  width:100%; background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14); border-radius:9px;
  padding:11px 12px; font-size:15px; color:#fff;
  transition: border-color .15s;
}
.finput:focus { outline:none; border-color:rgba(255,255,255,.4); background:rgba(255,255,255,.12); }
.finput::placeholder { color:rgba(255,255,255,.3); }
.login-error {
  font-size:12px; color:#fca5a5; min-height:0;
  padding: 0 4px;
}
.login-error.show { padding: 4px; }
.login-btn {
  padding:13px; background:linear-gradient(135deg,#0ea5e9,#0284c7);
  border-radius:11px; color:#fff;
  font-size:14px; font-weight:700;
  box-shadow:0 4px 14px rgba(2,132,199,.4);
  margin-top:4px; transition: transform .1s;
}
.login-btn:active { transform: scale(.97); }
.login-btn:disabled { opacity:.6; }
.login-foot {
  margin-top:18px; font-size:10px;
  color:rgba(255,255,255,.25); text-align:center;
}

/* ─── HOME ───────────────────────────────────────────────── */
.h-hdr {
  background: linear-gradient(135deg, var(--pridk), var(--pri));
  padding: calc(var(--safe-top) + 14px) 14px 16px;
  color:#fff;
}
.h-greet { font-size:12px; color:rgba(255,255,255,.6); margin-bottom:2px; }
.h-title { font-size:20px; font-weight:800; margin-bottom:12px; }
.h-kpi { display:grid; grid-template-columns:repeat(4,1fr); gap:6px; }
.h-kpi-box {
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.14);
  border-radius:9px; padding:8px 4px; text-align:center;
}
.h-kpi-v { font-size:18px; font-weight:800; color:#fff; line-height:1; font-variant-numeric: tabular-nums; }
.h-kpi-l { font-size:8px; color:rgba(255,255,255,.55); margin-top:3px; }

.vol-card {
  background:#fff; margin:11px; border-radius:13px; padding:13px;
  display:flex; justify-content:space-between; align-items:center;
  box-shadow:0 2px 8px rgba(0,0,0,.06);
}
.vol-v { font-size:30px; font-weight:800; color:var(--pri); line-height:1; font-variant-numeric: tabular-nums; }
.vol-l { font-size:10px; color:var(--txt3); margin-top:3px; max-width:160px; }
.vol-i { font-size:32px; }

.alert-strip {
  margin:0 11px 4px; background:var(--dnglt);
  border:1px solid #fca5a5; border-radius:10px; padding:10px 12px;
  font-size:11px; font-weight:600; color:var(--dng);
}

.sec-hdr {
  display:flex; justify-content:space-between; align-items:center;
  padding:10px 12px 5px;
}
.sec-t { font-size:12px; font-weight:700; color:var(--txt); }
.sec-l { font-size:11px; color:var(--pri); font-weight:600; }

/* ─── CARD IMPIANTO ──────────────────────────────────────── */
.imp-card {
  background:#fff; margin:0 11px 8px; border-radius:12px; padding:11px;
  border-left:4px solid var(--ok);
  box-shadow:0 1px 5px rgba(0,0,0,.05);
  transition: transform .1s;
}
.imp-card:active { transform: scale(.98); }
.imp-card.w { border-left-color:var(--warn); }
.imp-card.a { border-left-color:var(--dng); }
.imp-top { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:8px; }
.imp-id { font-size:13px; font-weight:800; color:var(--txt); }
.imp-sub { font-size:10px; color:var(--txt3); margin-top:1px; }
.imp-data { font-size:9px; color:var(--txt3); margin-top:1px; }
.s-tag {
  font-size:9px; font-weight:700; padding:3px 7px; border-radius:18px;
  letter-spacing:.4px; flex-shrink:0;
}
.t-ok  { background:var(--oklt);   color:var(--ok); }
.t-w   { background:var(--warnlt); color:var(--warn); }
.t-a   { background:var(--dnglt);  color:var(--dng); }
.metrics { display:grid; grid-template-columns:repeat(4,1fr); gap:4px; }
.metric { background:var(--sf2); border-radius:6px; padding:5px 3px; text-align:center; }
.met-v { font-family:var(--mono); font-size:11px; font-weight:500; color:var(--txt); }
.met-l { font-size:8px; color:var(--txt3); margin-top:1px; }

/* ─── LISTA IMPIANTI ─────────────────────────────────────── */
.list-hdr {
  background:#fff; padding: calc(var(--safe-top) + 14px) 14px 11px;
  border-bottom:1px solid var(--brd);
}
.list-title { font-size:18px; font-weight:800; color:var(--txt); margin-bottom:9px; }
.search {
  width:100%; background:var(--sf2); border:1px solid var(--brd);
  border-radius:9px; padding:9px 13px; font-size:13px; color:var(--txt);
}
.search:focus { outline:none; border-color: var(--pri); }
.chips { display:flex; gap:6px; margin-top:9px; overflow-x:auto; padding-bottom:2px; }
.chips::-webkit-scrollbar { display:none; }
.chip {
  padding:5px 11px; border-radius:18px; font-size:11px; font-weight:600;
  background:var(--sf2); border:1px solid var(--brd); color:var(--txt2);
  white-space:nowrap; cursor:pointer; transition: all .15s;
}
.chip.on { background:var(--pri); border-color:var(--pri); color:#fff; }

/* ─── DETTAGLIO ──────────────────────────────────────────── */
.det-hdr {
  background:var(--pridk);
  padding: calc(var(--safe-top) + 11px) 14px 14px; color:#fff;
}
.det-nav-row { display:flex; align-items:center; gap:10px; margin-bottom:10px; }
.back-btn {
  width:32px; height:32px; border-radius:9px;
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.2);
  display:flex; align-items:center; justify-content:center;
  font-size:16px; color:#fff;
}
.back-btn:active { background:rgba(255,255,255,.2); }
.det-nav-t { font-size:14px; font-weight:700; color:#fff; }
.det-id { font-size:18px; font-weight:800; color:#fff; }
.det-cli { font-size:12px; color:rgba(255,255,255,.65); margin-top:1px; }
.det-data { font-size:10px; color:rgba(255,255,255,.45); margin-top:3px; margin-bottom:11px; }
.det-kpi-row { display:grid; grid-template-columns:repeat(4,1fr); gap:5px; }
.det-kpi {
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.14);
  border-radius:9px; padding:8px 5px; text-align:center;
}
.det-kpi-v { font-size:14px; font-weight:800; color:#fff; line-height:1; font-variant-numeric: tabular-nums; }
.det-kpi-u { font-size:8px; color:rgba(255,255,255,.55); margin-top:1px; }
.det-kpi-l { font-size:8px; color:rgba(255,255,255,.45); margin-top:2px; }

.sec-ttl { font-size:11px; font-weight:700; color:var(--txt); padding:11px 12px 5px; }
.vasca-card {
  background:#fff; margin:0 11px 7px; border-radius:11px; padding:10px;
  box-shadow:0 1px 4px rgba(0,0,0,.04);
}
.vasca-top { display:flex; justify-content:space-between; align-items:center; margin-bottom:7px; }
.vasca-t { font-size:13px; font-weight:700; color:var(--txt); }
.vasca-time { font-size:10px; color:var(--txt3); font-variant-numeric: tabular-nums; }
.vasca-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:5px; }
.vasca-met { background:var(--sf2); border-radius:6px; padding:5px 4px; text-align:center; }
.vasca-met-v { font-family:var(--mono); font-size:11px; font-weight:500; color:var(--txt); }
.vasca-met-v.hi { color:var(--pri); font-weight:700; }
.vasca-met-l { font-size:8px; color:var(--txt3); margin-top:1px; }

.btn-action {
  margin:11px 11px 0; padding:13px;
  border-radius:11px; text-align:center; font-size:13px; font-weight:700;
  color:#fff; display:block; width: calc(100% - 22px);
  transition: transform .1s;
}
.btn-action:active { transform: scale(.97); }
.btn-action.pri { background:var(--pri); box-shadow:0 4px 12px rgba(2,132,199,.3); }
.btn-action.ok  { background:var(--ok);  box-shadow:0 4px 12px rgba(5,150,105,.3); }
.btn-action.dng { background:var(--dng); box-shadow:0 4px 12px rgba(220,38,38,.3); }

.info-card {
  background:#fff; margin:0 11px 8px; border-radius:11px; overflow:hidden;
  box-shadow:0 1px 4px rgba(0,0,0,.04);
}
.info-row {
  display:flex; justify-content:space-between; padding:10px 14px;
  border-bottom:1px solid var(--brd); font-size:12px; align-items:center;
}
.info-row:last-child { border-bottom:none; }
.info-l { color:var(--txt2); }
.info-v { font-weight:600; color:var(--txt); font-variant-numeric: tabular-nums; }
.info-v.hi { color:var(--pri); font-weight:700; }

/* ─── REPORT ─────────────────────────────────────────────── */
.rep-card {
  background:#fff; margin:11px; border-radius:13px; padding:12px;
  box-shadow:0 1px 5px rgba(0,0,0,.05);
}
.rep-card-t { font-size:12px; font-weight:700; color:var(--txt); margin-bottom:9px; }
.rep-chips { display:flex; gap:6px; flex-wrap:wrap; }
.rep-chip {
  padding:6px 12px; border-radius:18px; font-size:11px; font-weight:600;
  background:var(--sf2); border:1px solid var(--brd); color:var(--txt2);
  cursor:pointer;
}
.rep-chip.on { background:var(--pri); border-color:var(--pri); color:#fff; }

.export-row { display:flex; gap:9px; margin:11px; }
.exp-btn {
  flex:1; padding:13px; border-radius:11px;
  text-align:center; color:#fff; font-size:13px; font-weight:700;
  transition: transform .1s;
}
.exp-btn:active { transform: scale(.97); }
.exp-btn.pdf { background:var(--dng); box-shadow:0 4px 12px rgba(220,38,38,.3); }
.exp-btn.xls { background:var(--ok);  box-shadow:0 4px 12px rgba(5,150,105,.3); }

/* ─── PROFILO ────────────────────────────────────────────── */
.prof-hdr {
  background: linear-gradient(135deg, var(--pridk), var(--pri));
  padding: calc(var(--safe-top) + 24px) 14px 24px;
  color:#fff; text-align:center;
}
.prof-avatar {
  width:64px; height:64px; border-radius:18px;
  background:rgba(255,255,255,.15); border:2px solid rgba(255,255,255,.3);
  display:flex; align-items:center; justify-content:center;
  font-size:30px; margin:0 auto 12px;
}
.prof-nome { font-size:20px; font-weight:800; }
.prof-mail { font-size:13px; color:rgba(255,255,255,.65); margin-top:2px; }
.prof-badge {
  display:inline-block; margin-top:10px;
  padding:4px 12px; border-radius:18px;
  background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.2);
  font-size:11px; font-weight:600;
}

/* ─── TAB BAR ────────────────────────────────────────────── */
.tabbar {
  display:flex; flex-shrink:0;
  background:#fff;
  border-top:1px solid var(--brd);
  padding: 8px 0 calc(var(--safe-bottom) + 8px);
}
.tab {
  flex:1; display:flex; flex-direction:column;
  align-items:center; gap:2px; padding:4px 0;
  position:relative;
}
.tab-icon { font-size:22px; opacity:.5; transition: all .15s; }
.tab-lbl { font-size:9px; font-weight:700; color:var(--txt3); transition: color .15s; }
.tab.on .tab-icon { opacity:1; transform: translateY(-2px); }
.tab.on .tab-lbl { color:var(--pri); }

/* ─── MODAL ──────────────────────────────────────────────── */
.modal-overlay {
  position:fixed; inset:0;
  background:rgba(0,0,0,.5);
  display:none; align-items:flex-end;
  z-index: 1000;
}
.modal-overlay.show { display:flex; }
.modal-sheet {
  width:100%; background:#fff;
  border-radius: 18px 18px 0 0;
  padding: 8px 16px calc(var(--safe-bottom) + 24px);
  animation: slideUp .25s ease;
  max-height: 80vh; overflow-y: auto;
}
@keyframes slideUp { from{transform:translateY(100%);} to{transform:translateY(0);} }
.modal-handle {
  width:36px; height:4px; border-radius:2px;
  background:var(--brd); margin: 4px auto 14px;
}
.modal-title {
  font-size:15px; font-weight:700;
  text-align:center; margin-bottom:14px;
  color:var(--txt);
}
.modal-msg {
  font-size:13px; color:var(--txt2);
  text-align:center; margin-bottom:16px;
}

/* ─── STATO VUOTO ────────────────────────────────────────── */
.empty {
  text-align:center; padding:48px 24px;
  color:var(--txt3); font-size:13px;
}
.empty-icon { font-size:40px; margin-bottom:12px; opacity:.5; }

/* ─── INSTALL HINT IOS ───────────────────────────────────── */
.install-hint {
  position: fixed; bottom: 80px; left: 12px; right: 12px;
  background: var(--pridk); color: #fff;
  padding: 12px 14px; border-radius: 12px;
  font-size: 12px; box-shadow: 0 4px 16px rgba(0,0,0,.3);
  display: none; z-index: 100;
  align-items: center; gap: 10px;
}
.install-hint.show { display: flex; }
.install-hint button { color: #fff; opacity: .6; font-size: 18px; }