/* --------------------------------------------------------------------
   Signage Manager - foglio di stile.
   Idea guida: la pagina e' un banco di regia. In alto la parete degli
   schermi (l'oggetto reale che stai governando), sotto tabelle sobrie
   con righe sottili, senza riquadri decorativi.
   -------------------------------------------------------------------- */

:root {
  --paper:  #F4F5F2;
  --panel:  #FFFFFF;
  --slate:  #1B2227;
  --slate-2:#2A343B;
  --ink:    #151A1D;
  --muted:  #6B7A82;
  --line:   #D8DCD6;
  --live:   #2F9E68;
  --warn:   #C8791A;
  --dead:   #93A0A7;
  --alert:  #B5453A;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

a { color: #1F6F8B; text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid #1F6F8B; outline-offset: 2px; }

.topbar {
  background: var(--slate);
  color: #E8ECEA;
  padding: 14px 24px;
  display: flex;
  align-items: baseline;
  gap: 28px;
  flex-wrap: wrap;
}
.topbar h1 { font-size: 17px; font-weight: 600; margin: 0; }
.topbar nav { display: flex; gap: 20px; margin-left: auto; }
.topbar nav a { color: #A9B7BD; font-size: 14px; }
.topbar nav a.on, .topbar nav a:hover { color: #FFFFFF; text-decoration: none; }

main { max-width: 1040px; margin: 0 auto; padding: 28px 24px 64px; }

h2 { font-size: 19px; font-weight: 600; margin: 34px 0 12px; }
h2:first-child { margin-top: 0; }
p.note { color: var(--muted); margin: 4px 0 18px; max-width: 62ch; }

/* la parete di schermi */
.wall {
  background: var(--slate);
  border-radius: 3px;
  padding: 26px 24px 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}
.screen { width: 148px; }
.screen .bezel {
  aspect-ratio: 16 / 9;
  background: #0A0D0F;
  border: 3px solid #3A464D;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 12px;
  color: #58666D;
  position: relative;
}
.screen.live .bezel { background: #10361F; border-color: var(--live); color: #7FD3A5; }
.screen.playing .bezel { background: #17512D; border-color: var(--live); color: #C6F2D9; }
.screen.offline .bezel { border-color: #4A3532; color: #A6746C; }
.screen .bezel .dot {
  position: absolute; top: 6px; right: 6px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--dead);
}
.screen.live .bezel .dot, .screen.playing .bezel .dot { background: var(--live); }
.screen.offline .bezel .dot { background: var(--alert); }
.screen .label { color: #DDE3E1; font-size: 13px; margin-top: 8px; display: block; }
.screen .sub { color: #8B999F; font-size: 12px; }

/* tabelle */
table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); }
th { font-weight: 600; font-size: 13px; color: var(--muted); border-bottom-width: 2px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }

.state { font-size: 13px; }
.state.ok   { color: var(--live); }
.state.bad  { color: var(--alert); }
.state.wait { color: var(--warn); }

/* moduli */
form.inline { display: inline; }
fieldset {
  border: 1px solid var(--line); border-radius: 3px;
  background: var(--panel); padding: 16px 18px; margin: 0 0 18px;
}
legend { font-weight: 600; font-size: 14px; padding: 0 6px; }
label { font-size: 14px; }
label.field { display: block; margin-bottom: 10px; }
label.field span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 3px; }
input[type=text], input[type=password], input[type=number], input[type=time], select {
  font: inherit; padding: 6px 8px; border: 1px solid var(--line);
  border-radius: 2px; background: #FFF; min-width: 220px;
}
input[type=file] { font: inherit; }
.days { display: flex; gap: 12px; flex-wrap: wrap; margin: 6px 0 12px; }
.days label { font-size: 13px; }

button {
  font: inherit; font-size: 14px; padding: 6px 14px;
  border: 1px solid var(--slate); border-radius: 2px;
  background: var(--slate); color: #FFF; cursor: pointer;
}
button:hover { background: var(--slate-2); }
button.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
button.ghost:hover { background: #EAEDE9; }
button.danger { background: transparent; color: var(--alert); border-color: #E0C6C2; }
button.small { padding: 3px 9px; font-size: 13px; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }

.empty { color: var(--muted); background: var(--panel);
         border: 1px dashed var(--line); padding: 22px; border-radius: 3px; }

.bar { background: #DDE3DF; height: 10px; border-radius: 2px; }
.bar > span { display: block; height: 100%; background: var(--live); border-radius: 2px; }

/* avanzamento del caricamento: compare solo quando serve */
.upload { display: none; max-width: 460px; margin-top: 12px; }
.upload.on { display: block; }
.upload .bar { height: 14px; }
.upload .bar > span { width: 0; transition: width .15s linear; }
.upload .stato { margin: 6px 0 0; font-size: 13px; color: var(--muted);
                 font-variant-numeric: tabular-nums; }
.upload.errore .bar > span { background: var(--alert); }
.upload.errore .stato { color: var(--alert); }

.login { max-width: 340px; margin: 12vh auto; }
.login h1 { font-size: 20px; font-weight: 600; margin-bottom: 6px; }
.login p { color: var(--muted); margin-top: 0; }
.error { color: var(--alert); font-size: 14px; }

@media (max-width: 620px) {
  .topbar nav { margin-left: 0; width: 100%; }
  .screen { width: 120px; }
  table { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}