:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07110f;
  color: #f2f8f5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 10%, rgba(45, 212, 160, .16), transparent 35rem),
    linear-gradient(145deg, #07110f 0%, #0b1916 55%, #08100f 100%);
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.card {
  width: min(42rem, 100%);
  padding: clamp(2rem, 7vw, 4.5rem);
  border: 1px solid rgba(154, 230, 201, .18);
  border-radius: 1.5rem;
  background: rgba(10, 27, 23, .82);
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, .35);
  backdrop-filter: blur(12px);
}

.mark {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  margin-bottom: 2.5rem;
  border-radius: 1rem;
  background: #39d6a0;
  color: #062219;
  font-size: 1.4rem;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 .75rem;
  color: #79ddba;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.intro {
  max-width: 34rem;
  margin: 1.5rem 0 2.5rem;
  color: #aebfba;
  font-size: 1.08rem;
  line-height: 1.65;
}

.status {
  display: flex;
  align-items: center;
  gap: .7rem;
  color: #d8e7e1;
  font-size: .92rem;
}

.pulse {
  width: .65rem;
  height: .65rem;
  border-radius: 50%;
  background: #39d6a0;
  box-shadow: 0 0 0 .35rem rgba(57, 214, 160, .12);
}

.login-card { max-width: 34rem; }
.login-title, .dashboard-title { max-width: none; font-size: clamp(2.2rem, 6vw, 3.6rem); }

.form { display: grid; gap: .75rem; }
.form label { margin-top: .55rem; color: #d8e7e1; font-size: .9rem; font-weight: 650; }
.form input {
  width: 100%;
  padding: .9rem 1rem;
  border: 1px solid rgba(154, 230, 201, .25);
  border-radius: .75rem;
  background: rgba(3, 13, 11, .7);
  color: #f2f8f5;
  font: inherit;
}
.form input:focus { outline: 2px solid #39d6a0; outline-offset: 2px; }
button {
  margin-top: 1rem;
  padding: .9rem 1.2rem;
  border: 0;
  border-radius: .75rem;
  background: #39d6a0;
  color: #062219;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}
button:hover { background: #65e3b7; }
.error { padding: .8rem 1rem; border-radius: .7rem; background: rgba(245, 96, 96, .13); color: #ffb7b7; }
.dashboard-shell { align-items: start; }
.dashboard-card { width: min(70rem, 100%); margin-top: 5vh; }
.dashboard-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; }
.secondary { margin: 0; background: transparent; color: #d8e7e1; border: 1px solid rgba(154, 230, 201, .25); }
.empty-state { display: flex; align-items: flex-start; gap: 1rem; margin-top: 4rem; padding: 1.4rem; border-radius: 1rem; background: rgba(3, 13, 11, .45); }
.empty-state p { margin: .35rem 0 0; color: #aebfba; }
@media (max-width: 640px) { .dashboard-header { flex-direction: column; } }
.site-grid { display: grid; gap: 1.25rem; margin-top: 3rem; }
.site-card { padding: 1.5rem; border: 1px solid rgba(154, 230, 201, .16); border-radius: 1rem; background: rgba(3, 13, 11, .42); }
.site-card-header { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.site-card h2 { margin: .2rem 0 0; font-size: 1.5rem; }
.site-card h3 { margin: 1.8rem 0 .8rem; font-size: .9rem; color: #aebfba; }
.site-code { margin: 0; color: #79ddba; font-size: .78rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.badge { display: inline-flex; align-items: center; padding: .3rem .55rem; border-radius: 999px; background: rgba(174, 191, 186, .12); color: #c8d8d2; font-size: .72rem; font-weight: 700; text-transform: uppercase; }
.badge-active { background: rgba(57, 214, 160, .14); color: #79ddba; }
.direction-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; margin-top: 1.4rem; }
.direction-grid div { display: grid; gap: .35rem; padding: 1rem; border-radius: .75rem; background: rgba(255,255,255,.025); }
.direction-grid span { color: #8da19a; font-size: .78rem; }
.direction-grid strong { font-size: .9rem; }
.metric-row { display: flex; gap: 2rem; margin-top: 1rem; padding: .3rem .2rem; }
.metric-row div { display: flex; align-items: baseline; gap: .45rem; }
.metric-row strong { color: #79ddba; font-size: 1.35rem; }
.metric-row span { color: #8da19a; font-size: .78rem; }
.serial-list { display: grid; gap: .6rem; margin: 0; padding: 0; list-style: none; }
.serial-list li { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .75rem .9rem; border-radius: .65rem; background: rgba(255,255,255,.025); }
.serial-list code { color: #edf8f4; font-size: .9rem; }
.muted { color: #8da19a; }
@media (max-width: 640px) { .direction-grid { grid-template-columns: 1fr; } .metric-row { flex-direction: column; gap: .4rem; } }
.admin-link { display: inline-flex; align-items: center; margin-right: 1rem; color: #79ddba; text-decoration: none; font-weight: 700; }
.inline-form { display: grid; gap: .7rem; margin-top: 1.5rem; padding-top: 1.2rem; border-top: 1px solid rgba(154, 230, 201, .12); }
.inline-form label { color: #d8e7e1; font-size: .85rem; font-weight: 650; }
.inline-form div { display: flex; gap: .7rem; }
.inline-form input { flex: 1; min-width: 0; padding: .8rem .9rem; border: 1px solid rgba(154, 230, 201, .25); border-radius: .7rem; background: rgba(3, 13, 11, .7); color: #f2f8f5; font: inherit; }
.inline-form button { margin: 0; }
.toast { position: fixed; right: 1.5rem; bottom: 1.5rem; max-width: 28rem; padding: 1rem 1.2rem; border-radius: .8rem; box-shadow: 0 1rem 3rem rgba(0,0,0,.35); }
.success { background: #123d31; color: #9aebcc; }
.request-list { display: grid; gap: .8rem; margin-top: 2.5rem; }
.request-list article { display: grid; grid-template-columns: 1fr 1fr auto; gap: 1rem; align-items: center; padding: 1rem; border-radius: .8rem; background: rgba(3, 13, 11, .45); }
.request-list p, .request-list span { margin: .25rem 0 0; color: #8da19a; font-size: .82rem; }
.requester { display: grid; }
.danger { margin: 0; background: rgba(245, 96, 96, .13); color: #ffb7b7; border: 1px solid rgba(245, 96, 96, .25); }
.danger:hover { background: rgba(245, 96, 96, .22); }
.admin-actions { display: flex; gap: .5rem; justify-content: flex-end; }
.admin-actions form, .admin-actions button { margin: 0; }
@media (max-width: 680px) { .inline-form div { flex-direction: column; } .request-list article { grid-template-columns: 1fr; } }