/* DevNux Infrastructure Gateway */
:root {
  color-scheme: dark;
  --bg: #0a0e13;
  --bg-soft: #0d1218;
  --surface: #111821;
  --surface-raised: #161f29;
  --surface-quiet: #0e141b;
  --border: #27323e;
  --border-soft: #1a232d;
  --text: #eef1f4;
  --text-soft: #bdc6cf;
  --muted: #7f8b98;
  --accent: #d59a57;
  --accent-strong: #e4ac6b;
  --technical: #78bdb9;
  --technical-strong: #92cecb;
  --danger: #d49a9a;
  --warning: #dfb36f;
  --shadow: 0 28px 80px rgba(0, 0, 0, .32);
  --radius-sm: 4px;
  --radius-md: 7px;
  --radius-lg: 12px;
  --font-sans: "Segoe UI", Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease: 180ms cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  padding: clamp(1.2rem, 4vw, 3rem);
  display: grid;
  place-items: center;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.55;
  background:
    radial-gradient(circle at 78% -12%, rgba(120, 189, 185, .075), transparent 28rem),
    radial-gradient(circle at 14% 8%, rgba(213, 154, 87, .055), transparent 24rem),
    linear-gradient(180deg, var(--bg) 0%, #0b1016 100%);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
::selection { color: var(--bg); background: var(--accent-strong); }

.gateway-shell {
  width: min(100%, 72rem);
  display: grid;
  grid-template-columns: minmax(18rem, .72fr) minmax(0, 1.28fr);
  gap: clamp(1.2rem, 3vw, 2rem);
  align-items: stretch;
}

.gateway-context {
  min-height: 100%;
  padding: clamp(1.6rem, 4vw, 2.4rem);
  display: flex;
  flex-direction: column;
  background: linear-gradient(145deg, rgba(17, 24, 33, .88), rgba(13, 19, 26, .92));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
}

.gateway-brand {
  display: inline-flex;
  width: max-content;
  flex-direction: column;
  gap: .05rem;
}
.gateway-brand__name { color: var(--text); font: 760 .95rem/1.1 var(--font-sans); letter-spacing: .22em; }
.gateway-brand__domain { color: var(--muted); font: 500 .67rem/1.2 var(--font-mono); letter-spacing: .06em; }
.gateway-brand:hover .gateway-brand__name { color: var(--accent-strong); }

.context-copy { margin-block: auto; padding-block: clamp(3rem, 8vw, 6rem); }
.context-label, .panel-label, .eyebrow {
  margin: 0;
  color: var(--accent);
  font: 680 .68rem/1.45 var(--font-mono);
  letter-spacing: .13em;
  text-transform: uppercase;
}
.context-copy h1 {
  max-width: 10ch;
  margin: .8rem 0 1.2rem;
  color: var(--text);
  font-size: clamp(2.45rem, 5vw, 4.6rem);
  font-weight: 680;
  line-height: .98;
  letter-spacing: -.05em;
}
.context-copy > p:last-child { max-width: 31rem; margin: 0; color: var(--text-soft); font-size: .98rem; }

.context-records { margin: 0; border-top: 1px solid var(--border); }
.context-records div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  padding-block: .78rem;
  border-bottom: 1px solid var(--border-soft);
}
.context-records dt { color: var(--muted); font: 600 .66rem/1.5 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; }
.context-records dd { margin: 0; display: flex; align-items: center; gap: .5rem; color: var(--text-soft); font: 560 .74rem/1.45 var(--font-mono); }
.context-footnote { margin: 1rem 0 0; color: #64717e; font: 520 .64rem/1.45 var(--font-mono); text-transform: uppercase; letter-spacing: .07em; }

.status-dot {
  width: .42rem;
  height: .42rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--technical);
  box-shadow: 0 0 0 4px rgba(120, 189, 185, .08);
}

.login-container {
  width: 100%;
  overflow: hidden;
  align-self: stretch;
  background: rgba(17, 24, 33, .94);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  animation: gateway-enter 280ms ease both;
}

.service-bar,
.gateway-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .72rem 1.4rem;
  background: rgba(10, 14, 19, .46);
  color: var(--muted);
  font: 620 .64rem/1.3 var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.service-bar { border-bottom: 1px solid var(--border-soft); }
.service-state { display: inline-flex; align-items: center; gap: .55rem; }

.gateway-header,
form,
.auth-result,
.session-panel,
.backend-panel { padding-inline: clamp(1.3rem, 4vw, 2rem); }

.gateway-header { padding-top: clamp(2rem, 5vw, 3rem); padding-bottom: 1.5rem; }
.gateway-header h2 {
  margin: .55rem 0 .55rem;
  color: var(--text);
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 680;
  line-height: 1;
  letter-spacing: -.045em;
}
.subtitle { max-width: 37rem; margin: 0; color: var(--text-soft); font-size: .94rem; }

form { display: grid; gap: 1rem; padding-bottom: 1.75rem; }
.field-group { display: grid; gap: .42rem; }
form label { color: var(--muted); font: 620 .7rem/1.4 var(--font-mono); letter-spacing: .05em; text-transform: uppercase; }
form input {
  width: 100%;
  padding: .86rem .9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #0b1117;
  color: var(--text);
  font: 520 .86rem/1.2 var(--font-mono);
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
}
form input::placeholder { color: #596674; }
form input:hover { border-color: #334150; }
form input:focus { outline: none; border-color: var(--accent); background: #0d141b; box-shadow: 0 0 0 3px rgba(213, 154, 87, .09); }
form input:disabled { cursor: wait; opacity: .58; }

form button {
  margin-top: .25rem;
  min-height: 3rem;
  padding: .78rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #0b0f14;
  font-weight: 720;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease), transform var(--ease), opacity var(--ease);
}
form button:hover:not(:disabled) { background: var(--accent-strong); border-color: var(--accent-strong); transform: translateY(-1px); }
form button:focus-visible, form input:focus-visible, a:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 4px; }
form button:disabled { cursor: wait; opacity: .65; }
.button-arrow { flex: 0 0 auto; font-family: var(--font-mono); transition: transform var(--ease); }
form button:hover:not(:disabled) .button-arrow { transform: translateX(2px); }

.auth-result {
  min-height: 6rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  background: rgba(10, 14, 19, .32);
}
.panel-label { color: var(--muted); }
.message { margin-top: .42rem; color: var(--text-soft); font-size: .9rem; }
.message[data-state="working"] { color: var(--technical-strong); }
.message[data-state="warning"] { color: var(--warning); }
.message[data-state="error"] { color: var(--danger); }
.status-code { min-height: 1rem; margin-top: .42rem; color: #65717e; font: .66rem/1.45 var(--font-mono); overflow-wrap: anywhere; }

.session-panel { padding-top: 1.4rem; padding-bottom: 1.4rem; }
.panel-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.panel-heading span { color: var(--technical); font: 620 .62rem/1.3 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.session-grid { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem 1rem; }
.session-grid div { min-width: 0; padding-top: .72rem; border-top: 1px solid var(--border-soft); }
.session-grid__wide { grid-column: 1 / -1; }
.session-grid dt { color: var(--muted); font: 600 .63rem/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; }
.session-grid dd { margin: .22rem 0 0; color: var(--text-soft); font: 520 .72rem/1.4 var(--font-mono); overflow-wrap: anywhere; }
body[data-risk="elevated"] #risk,
body[data-risk="high"] #risk { color: var(--warning); }
body[data-risk="restricted"] #risk { color: var(--danger); }

.backend-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-top: 1px solid var(--border-soft);
  background: rgba(10, 14, 19, .28);
}
.backend-panel div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem 0;
  color: var(--muted);
  border-bottom: 1px solid var(--border-soft);
  font: 560 .64rem/1.35 var(--font-mono);
}
.backend-panel div:nth-child(odd) { padding-right: 1rem; border-right: 1px solid var(--border-soft); }
.backend-panel div:nth-child(even) { padding-left: 1rem; }
.backend-panel div:nth-last-child(-n + 2) { border-bottom: 0; }
.backend-panel strong { color: var(--technical); font-weight: 700; }
.backend-panel strong.degraded { color: var(--warning); }

.gateway-footer { border-top: 1px solid var(--border-soft); color: #5f6b78; }
.admin-shell { display: none; }
.auth-state-degraded, .auth-state-failover, .auth-state-restricted { }

@keyframes gateway-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  body { place-items: start center; }
  .gateway-shell { grid-template-columns: 1fr; max-width: 44rem; }
  .gateway-context { min-height: auto; }
  .context-copy { padding-block: 2.4rem; }
  .context-copy h1 { max-width: 13ch; font-size: clamp(2.25rem, 8vw, 3.7rem); }
  .context-records { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .context-records div:nth-child(odd) { padding-right: 1rem; }
  .context-records div:nth-child(even) { padding-left: 1rem; border-left: 1px solid var(--border-soft); }
  .context-records div { grid-template-columns: 1fr; gap: .25rem; }
}

@media (max-width: 560px) {
  body { padding: .75rem; }
  .gateway-context, .login-container { border-radius: var(--radius-md); }
  .gateway-context { padding: 1.25rem; }
  .context-records { grid-template-columns: 1fr; }
  .context-records div:nth-child(odd), .context-records div:nth-child(even) { padding-inline: 0; border-left: 0; }
  .service-bar, .gateway-footer { flex-wrap: wrap; }
  .session-grid, .backend-panel { grid-template-columns: 1fr; }
  .session-grid__wide { grid-column: auto; }
  .backend-panel div:nth-child(odd), .backend-panel div:nth-child(even) { padding-inline: 0; border-right: 0; border-bottom: 1px solid var(--border-soft); }
  .backend-panel div:last-child { border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}