:root {
  color: #f4f7fb;
  background: #071018;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% 0%, rgb(37 125 115 / 22%), transparent 38rem),
    linear-gradient(180deg, #09131d 0%, #071018 50%, #050b11 100%);
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid #1a2d3b;
  background: rgb(7 16 24 / 90%);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: #f8fbff;
  font-size: 1.05rem;
  font-weight: 760;
  text-decoration: none;
}

.brand-logo,
.tka-login-logo {
  display: block;
  flex: 0 0 auto;
  object-fit: contain;
  border: 1px solid #294050;
  background: #050505;
}

.brand-logo {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.7rem;
}

.tka-login-logo {
  width: 5.5rem;
  height: 5rem;
  margin: 0 auto 1rem;
  border-radius: 0.9rem;
}

.brand-mark {
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  border-radius: 0.7rem;
  background: #47d7b0;
  color: #052018;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

nav {
  display: flex;
  gap: 0.35rem;
}

nav a {
  padding: 0.62rem 0.85rem;
  border-radius: 0.65rem;
  color: #9bb0be;
  font-size: 0.9rem;
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] {
  background: #142532;
  color: #f7fbff;
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 6rem) 0 5rem;
}

.hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}

.eyebrow,
.card-label {
  margin: 0 0 0.55rem;
  color: #65e1bf;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.65rem;
  font-size: clamp(2.35rem, 7vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.hero p:last-child,
.muted {
  color: #91a7b5;
}

.live-badge {
  display: flex;
  align-items: center;
  flex: none;
  gap: 0.65rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid #294050;
  border-radius: 999px;
  color: #b6c6d0;
  background: #0d1a24;
  font-size: 0.82rem;
}

.live-badge span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #71808a;
}

.live-badge[data-state="live"] span {
  background: #47d7b0;
  box-shadow: 0 0 0 0.3rem rgb(71 215 176 / 12%);
}

.live-badge[data-state="warning"] span {
  background: #ffc56b;
}

.notice {
  padding: 0.85rem 1rem;
  border: 1px solid #1d3443;
  border-radius: 0.7rem;
  color: #a8bac5;
  background: #0c1923;
  font-size: 0.88rem;
}

.status-grid,
.manual-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.35rem;
  border: 1px solid #1a3040;
  border-radius: 1rem;
  background: linear-gradient(145deg, rgb(16 33 44 / 96%), rgb(10 22 31 / 96%));
  box-shadow: 0 20px 50px rgb(0 0 0 / 12%);
}

.card > strong {
  display: block;
  margin-bottom: 1.15rem;
  font-size: 1.35rem;
}

dl {
  margin: 0;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.68rem 0;
  border-top: 1px solid #1c3443;
  font-size: 0.84rem;
}

dt {
  color: #849ba9;
}

dd {
  margin: 0;
  text-align: right;
}

.shift-detail,
.admin {
  margin-top: 1rem;
}

.wide-card {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  align-items: center;
  gap: 1.5rem;
}

.wide-card p {
  margin-bottom: 0;
  color: #a0b2bd;
  line-height: 1.6;
}

code {
  color: #79e8c9;
}

.timeline {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 0.4rem;
}

.timeline span {
  padding: 0.6rem 0.75rem;
  border: 1px solid #2b524f;
  border-radius: 0.6rem;
  color: #77e2c4;
  background: #0c2626;
  font-weight: 700;
}

.timeline i {
  width: 3rem;
  height: 1px;
  background: #2b524f;
}

.login-card {
  max-width: 34rem;
  margin-inline: auto;
}

form,
label {
  display: grid;
  gap: 0.55rem;
}

form {
  gap: 1rem;
}

label {
  color: #b9c7cf;
  font-size: 0.84rem;
  font-weight: 650;
}

input {
  width: 100%;
  padding: 0.82rem 0.9rem;
  border: 1px solid #2b4656;
  border-radius: 0.65rem;
  outline: none;
  color: #f8fbff;
  background: #08141d;
  font: inherit;
}

input:focus {
  border-color: #56d6b5;
  box-shadow: 0 0 0 0.2rem rgb(86 214 181 / 12%);
}

button,
.button-link {
  min-height: 2.7rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid #315061;
  border-radius: 0.65rem;
  color: #e9f1f6;
  background: #162a37;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 720;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

button:hover:not(:disabled),
.button-link:hover {
  border-color: #55d6b4;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

button.primary,
.button-link.primary {
  border-color: #47d7b0;
  color: #052018;
  background: #47d7b0;
}

button.danger {
  border-color: #70414a;
  color: #ffb1b9;
  background: #2b171e;
}

.admin-toolbar,
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.3rem 0;
}

.button-row,
.manual-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.section-heading {
  align-items: end;
  margin-top: 2.5rem;
}

.section-heading p,
.admin-toolbar p {
  margin-bottom: 0;
}

.manual-card p {
  min-height: 0;
  color: #8fa6b3;
  font-size: 0.84rem;
  line-height: 1.45;
}

.manual-state {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  color: #b6c8d2;
  background: #152a37;
  font-size: 0.75rem;
  font-weight: 750;
}

.manual-state.active {
  color: #68e5c3;
  background: #11332e;
}

.manual-state.unavailable {
  color: #ffc56b;
  background: #332714;
}

.qr-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 1rem;
}

.qr-card img {
  width: min(520px, 78vw);
  min-width: min(360px, 78vw);
  height: auto;
  border: 1rem solid #fff;
  border-radius: 0.8rem;
  background: #fff;
  image-rendering: pixelated;
}

#pairing-card {
  margin-top: 1rem;
}

#pairing-code {
  display: block;
  min-height: 3.5rem;
  margin-top: 1rem;
  color: #68e5c3;
  font-size: clamp(2rem, 8vw, 3.4rem);
  font-weight: 800;
  letter-spacing: 0.35em;
  text-align: center;
}

.command-card {
  margin-top: 1rem;
}

.manual-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.manual-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 0.45rem 1rem;
  padding: 1rem 1.1rem;
}

.manual-card h2,
.manual-card p {
  margin-bottom: 0;
}

.manual-card p,
.manual-card .manual-actions {
  grid-column: 1 / -1;
}

.manual-card .manual-state {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
}

.command-list {
  display: grid;
  gap: 0.55rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.command-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-top: 1px solid #1c3443;
  color: #a7bac5;
  font-size: 0.83rem;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem clamp(1rem, 4vw, 4rem);
  border-top: 1px solid #142633;
  color: #667d8a;
  font-size: 0.78rem;
}

@media (max-width: 820px) {
  .status-grid,
  .manual-grid {
    grid-template-columns: 1fr;
  }

  .wide-card,
  .login-card {
    grid-template-columns: 1fr;
  }

  .hero,
  .admin-toolbar,
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.8rem;
  }

  nav {
    width: 100%;
    overflow-x: auto;
  }

  nav a {
    flex: none;
  }

  .qr-card,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}