:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2330;
  --border: #2a3441;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #ff9900;      /* naranja AWS */
  --accent-2: #ffb84d;
  --green: #3fb950;
  --green-bg: #12281a;
  --red: #f85149;
  --red-bg: #2d1416;
  --gray: #6e7681;
  --gray-bg: #21262d;
  --blue: #58a6ff;
  --shadow: 0 8px 30px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 80% -10%, #17202c 0%, var(--bg) 55%);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px; border-bottom: 1px solid var(--border);
  background: rgba(13, 17, 23, .7); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 30px; filter: drop-shadow(0 0 10px rgba(255,153,0,.5)); }
.brand h1 { margin: 0; font-size: 20px; letter-spacing: .3px; }
.subtitle { margin: 0; color: var(--muted); font-size: 12.5px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.meta { color: var(--muted); font-size: 12.5px; }

.live { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--muted); }
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 8px var(--green); animation: livepulse 1.7s infinite;
}
.live.loading .live-dot { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }
@keyframes livepulse { 50% { opacity: .3; } }

main { max-width: 1080px; margin: 0 auto; padding: 26px 28px 60px; }

.summary { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 18px; min-width: 130px;
}
.stat .num { font-size: 24px; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .6px; }
.stat.on .num { color: var(--green); }
.stat.off .num { color: var(--gray); }
.stat.sched .num { color: var(--accent-2); }

/* Barra: resumen + buscador */
.toolbar {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 22px;
}
.toolbar .summary { margin-bottom: 0; }
#filter {
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 10px 14px; font-size: 14px; width: 240px;
}
#filter:focus { outline: none; border-color: var(--accent); }

/* Cuadrícula de "computadoras" */
.cards {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
}
.loading { grid-column: 1 / -1; color: var(--muted); text-align: center; padding: 42px; }

.card {
  position: relative; background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; padding: 18px 16px 16px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  transition: transform .15s, border-color .3s, box-shadow .3s;
  /* variables del monitor (por defecto = apagado) */
  --scr: #0b0f14; --bar: #243040; --led: #3a4656; --glow: transparent;
}
.card:hover { transform: translateY(-3px); border-color: var(--gray); }
.card.running {
  --scr: #06251a; --bar: #3fe0a3; --led: var(--green); --glow: rgba(63, 185, 80, .55);
  border-color: rgba(63, 185, 80, .4);
  box-shadow: 0 0 0 1px rgba(63, 185, 80, .15), 0 10px 26px rgba(0, 0, 0, .4);
}
.card.pending, .card.stopping, .card.shutting-down, .card.rebooting {
  --scr: #2a2205; --bar: #ffc061; --led: var(--accent-2); --glow: rgba(255, 184, 77, .5);
}

/* Ícono monitor (SVG) */
.pc-wrap { width: 116px; margin: 2px auto 2px; }
.pc { width: 100%; height: auto; display: block; }
.pc-frame { fill: #10161f; stroke: #2b3644; stroke-width: 2; }
.pc-stand, .pc-base { fill: #2b3644; }
.pc-screen { fill: var(--scr); transition: fill .45s; filter: drop-shadow(0 0 7px var(--glow)); }
.pc-ui rect { fill: var(--bar); transition: fill .45s; }
.pc-led { fill: var(--led); transition: fill .3s; }
.card.running .pc-led { filter: drop-shadow(0 0 4px var(--green)); }
.pc-cursor { opacity: 0; }
.card.running .pc-cursor { opacity: 1; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.card-name { font-weight: 700; font-size: 15px; margin-top: 3px; word-break: break-word; }
.card-meta { color: var(--muted); font-size: 12.5px; }
.card-id { color: var(--gray); font-size: 11px; font-family: ui-monospace, monospace; }

.card-ips {
  display: flex; flex-direction: column; gap: 3px; width: 100%;
  margin: 8px 0 2px; padding: 8px 0; border-top: 1px solid var(--border);
}
.ip-row { display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 12.5px; }
.ip-ico { font-size: 11px; opacity: .85; }
.ip-val {
  font-family: ui-monospace, monospace; color: var(--text); cursor: pointer;
  border-bottom: 1px dashed transparent; transition: color .12s, border-color .12s;
}
.ip-val:hover { color: var(--accent-2); border-bottom-color: var(--accent-2); }
.ip-tag {
  color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .4px;
  background: var(--panel-2); padding: 1px 6px; border-radius: 6px;
}
.card-sched { margin: 4px 0 13px; font-size: 12px; min-height: 18px; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; }
.badge.running { background: var(--green-bg); color: var(--green); }
.badge.running .dot { background: var(--green); box-shadow: 0 0 8px var(--green); }
.badge.stopped { background: var(--gray-bg); color: var(--muted); }
.badge.stopped .dot { background: var(--gray); }
.badge.pending, .badge.stopping, .badge.shutting-down, .badge.rebooting {
  background: #2a220f; color: var(--accent-2);
}
.badge.pending .dot, .badge.stopping .dot { background: var(--accent-2); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .3; } }

.sched-pill {
  display: inline-block; background: #14202e; border: 1px solid #223145;
  color: var(--blue); padding: 3px 9px; border-radius: 8px; font-size: 12.5px;
}
.sched-none { color: var(--muted); font-size: 13px; }
.sched-error { color: var(--red); font-size: 12.5px; }

.card-actions { display: flex; gap: 8px; width: 100%; margin-top: auto; }
.card-actions .btn { flex: 1; }
.sched-pill, .sched-none, .sched-error { display: inline-block; }

.btn {
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  padding: 7px 13px; border-radius: 9px; cursor: pointer; font-size: 13.5px;
  font-weight: 600; transition: .12s; white-space: nowrap;
}
.btn:hover { border-color: var(--gray); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #1a1200; }
.btn.primary:hover { background: var(--accent-2); }
.btn.ghost { background: transparent; }
.btn.go { color: var(--green); }
.btn.go:hover { background: var(--green-bg); border-color: var(--green); }
.btn.halt { color: var(--red); }
.btn.halt:hover { background: var(--red-bg); border-color: var(--red); }
.btn.danger-ghost { background: transparent; color: var(--red); border-color: transparent; }
.btn.danger-ghost:hover { background: var(--red-bg); }
.btn.small { padding: 5px 10px; font-size: 12.5px; }

.banner {
  padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; font-size: 14px;
  border: 1px solid transparent;
}
.banner.err { background: var(--red-bg); border-color: #5c2327; color: #ffb3b0; }
.banner.ok { background: var(--green-bg); border-color: #1e5130; color: #9ff0b3; }
.hidden { display: none !important; }
.foot { color: var(--muted); font-size: 12.5px; margin-top: 16px; text-align: center; }

/* Modal */
.modal {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .6);
  display: flex; align-items: center; justify-content: center; z-index: 20;
  backdrop-filter: blur(3px);
}
.modal-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  width: min(460px, 94vw); box-shadow: var(--shadow); overflow: hidden;
}
.modal-head, .modal-foot {
  display: flex; align-items: center; padding: 16px 20px;
}
.modal-head { border-bottom: 1px solid var(--border); justify-content: space-between; }
.modal-head h2 { margin: 0; font-size: 16px; }
.modal-body { padding: 18px 20px; }
.modal-inst { margin: 0 0 16px; color: var(--muted); }
.modal-inst code { color: var(--text); }
.modal-foot { border-top: 1px solid var(--border); gap: 10px; }
.spacer { flex: 1; }

.field-label {
  display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--muted); margin: 14px 0 7px;
}
.field-label:first-child { margin-top: 0; }
.days { display: flex; gap: 7px; }
.day {
  width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--muted); cursor: pointer; font-weight: 700;
  transition: .12s;
}
.day.on { background: var(--accent); border-color: var(--accent); color: #1a1200; }
.time-row { display: flex; gap: 14px; }
.time-row > div { flex: 1; }
input[type="time"], input[type="text"] {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); border-radius: 9px; padding: 9px 11px; font-size: 14px;
}
input:focus { outline: none; border-color: var(--accent); }
.preview {
  margin: 16px 0 0; padding: 10px 12px; background: #14202e; border-radius: 9px;
  color: var(--blue); font-size: 13.5px;
}
.modal-error { color: var(--red); margin: 12px 0 0; font-size: 13px; }

/* Pantalla de login (versión online) */
.login-overlay {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(900px 500px at 50% -5%, #17202c 0%, var(--bg) 60%);
}
.login-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 18px;
  padding: 34px 30px; width: min(360px, 92vw); box-shadow: var(--shadow);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.login-logo { font-size: 42px; filter: drop-shadow(0 0 12px rgba(255, 153, 0, .5)); }
.login-card h2 { margin: 4px 0 0; font-size: 22px; letter-spacing: .3px; }
.login-sub { margin: 0 0 14px; color: var(--muted); font-size: 13px; text-align: center; }
.login-card input {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); border-radius: 10px; padding: 11px 13px; font-size: 14px;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card .btn { width: 100%; margin-top: 8px; padding: 11px; }
.login-error { color: var(--red); font-size: 13px; margin: 6px 0 0; text-align: center; }

@media (max-width: 640px) {
  main { padding: 18px 14px 50px; }
  .cards { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  #filter { width: 100%; }
  .view-toggle, .toolbar > .view-toggle, .toolbar { width: 100%; }
}