/* Laymux Cloud — self-contained UI styles (no external fonts or CDNs). */

:root {
  color-scheme: dark light;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  /* Dark theme (default). */
  --bg: #0a0c10;
  --bg-elevated: #12151b;
  --surface: #161a21;
  --surface-2: #1c212a;
  --border: #262c36;
  --border-strong: #333b47;
  --text: #e8ebf1;
  --text-muted: #9aa3b2;
  --text-faint: #6b7484;

  --accent: #ff6a3d;
  --accent-hover: #ff825f;
  --accent-ink: #1a0d07;
  --accent-soft: rgba(255, 106, 61, 0.14);

  --online: #45c26a;
  --online-soft: rgba(69, 194, 106, 0.14);
  --offline: #6b7484;
  --offline-soft: rgba(107, 116, 132, 0.14);

  --grid-line: rgba(255, 255, 255, 0.022);
  --glow: rgba(255, 106, 61, 0.16);

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.34);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --maxw: 1080px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9;
    --bg-elevated: #ffffff;
    --surface: #ffffff;
    --surface-2: #f2f4f7;
    --border: #e4e7ec;
    --border-strong: #d3d8e0;
    --text: #141922;
    --text-muted: #59616e;
    --text-faint: #8a92a0;

    --accent: #e64a1e;
    --accent-hover: #cf3f16;
    --accent-ink: #ffffff;
    --accent-soft: rgba(230, 74, 30, 0.1);

    --online: #1a8a44;
    --online-soft: rgba(26, 138, 68, 0.12);
    --offline: #8a92a0;
    --offline-soft: rgba(138, 146, 160, 0.14);

    --grid-line: rgba(15, 20, 30, 0.035);
    --glow: rgba(230, 74, 30, 0.1);
    --shadow: 0 1px 2px rgba(20, 25, 34, 0.06), 0 14px 34px rgba(20, 25, 34, 0.08);
    --shadow-sm: 0 1px 2px rgba(20, 25, 34, 0.06);
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Ambient background: faint terminal grid + a single warm glow. */
.bg-grid,
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.bg-grid {
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

.bg-glow {
  background: radial-gradient(60% 45% at 78% -8%, var(--glow), transparent 62%);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.02em;
  font-weight: 650;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 40px);
}

/* Brand wordmark with a terminal caret. */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.brand:hover {
  color: var(--text);
}

.brand .prompt {
  color: var(--accent);
}

.brand .caret {
  width: 8px;
  height: 1.05em;
  background: var(--accent);
  border-radius: 1px;
  animation: blink 1.15s steps(2, start) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* Buttons. */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.06s ease,
    color 0.15s ease;
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--accent-ink);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: var(--surface-2);
  color: var(--text);
}

.btn-block {
  width: 100%;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
}

/* ---- Landing ---- */
.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 26px;
}

.hero {
  padding: clamp(52px, 12vw, 128px) 0 clamp(40px, 8vw, 88px);
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}

.hero .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--online);
  box-shadow: 0 0 0 4px var(--online-soft);
}

.hero h1 {
  margin: 26px 0 0;
  font-size: clamp(2.3rem, 6.4vw, 4rem);
  line-height: 1.03;
  max-width: 16ch;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero p.lede {
  margin: 22px 0 0;
  font-size: clamp(1.03rem, 2.4vw, 1.22rem);
  color: var(--text-muted);
  max-width: 54ch;
}

.hero .cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
}

.hero .cta-note {
  font-size: 0.86rem;
  color: var(--text-faint);
}

/* Feature grid. */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-bottom: clamp(48px, 9vw, 96px);
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.feature .idx {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
}

.feature h3 {
  margin: 12px 0 7px;
  font-size: 1.06rem;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ---- Dashboard ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 62px;
}

.account {
  display: flex;
  align-items: center;
  gap: 12px;
}

.account .who {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  flex: none;
}

.avatar-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
  background: var(--accent-soft);
}

.account .email {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 34vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page {
  padding: clamp(28px, 5vw, 52px) 0 96px;
}

.page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.page-head h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
}

.page-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0 0 26px;
}

.section {
  margin-top: 40px;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 16px;
}

.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Instance cards. */
.instances {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.instance-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.instance-card.is-online:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.instance-card .head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.instance-card .name {
  font-size: 1.08rem;
  font-weight: 620;
  word-break: break-word;
}

.instance-card .meta {
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  font-family: var(--font-mono);
  white-space: nowrap;
  flex: none;
}

.status .led {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.status.online {
  color: var(--online);
  background: var(--online-soft);
}

.status.online .led {
  background: var(--online);
  box-shadow: 0 0 0 3px var(--online-soft);
  animation: pulse 2s ease-in-out infinite;
}

.status.offline {
  color: var(--offline);
  background: var(--offline-soft);
}

.status.offline .led {
  background: var(--offline);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.connect-form {
  margin: 0;
}

/* Empty + panel surfaces. */
.empty,
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.empty {
  padding: 40px 28px;
  text-align: center;
}

.empty h3 {
  font-size: 1.12rem;
}

.empty p {
  margin: 8px auto 0;
  color: var(--text-muted);
  max-width: 42ch;
  font-size: 0.94rem;
}

/* Pairing panels. */
.pair-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
}

.panel {
  padding: 24px;
}

.panel h3 {
  font-size: 1.1rem;
}

.panel p {
  color: var(--text-muted);
  font-size: 0.93rem;
}

.panel .step {
  display: flex;
  gap: 12px;
  margin-top: 14px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.panel .step .n {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
}

.code-actions {
  margin-top: 18px;
}

/* The prominent pairing code display. */
.code-box {
  margin-top: 18px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  padding: 18px;
}

.code-box .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.code-box .code-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.code {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 5vw, 1.9rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text);
  user-select: all;
}

.code-box .expiry {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
}

.copy-btn {
  padding: 8px 12px;
  font-size: 0.82rem;
}

.hint {
  margin-top: 14px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.hint code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  color: var(--text);
}

.error-note {
  margin-top: 12px;
  font-size: 0.86rem;
  color: var(--accent);
}

footer.foot {
  padding: 34px 0 46px;
  color: var(--text-faint);
  font-size: 0.84rem;
  border-top: 1px solid var(--border);
  margin-top: 60px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Staggered entrance for cards. */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(10px);
    animation: reveal 0.5s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  }

  .reveal:nth-child(1) {
    animation-delay: 0.02s;
  }
  .reveal:nth-child(2) {
    animation-delay: 0.08s;
  }
  .reveal:nth-child(3) {
    animation-delay: 0.14s;
  }
  .reveal:nth-child(4) {
    animation-delay: 0.2s;
  }
  .reveal:nth-child(5) {
    animation-delay: 0.26s;
  }
  .reveal:nth-child(6) {
    animation-delay: 0.32s;
  }

  @keyframes reveal {
    to {
      opacity: 1;
      transform: none;
    }
  }
}

/* Responsive. */
@media (max-width: 860px) {
  .features {
    grid-template-columns: 1fr;
  }
  .pair-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .account .email {
    display: none;
  }
  .hero .cta-row {
    flex-direction: column;
    align-items: stretch;
  }
  .hero .cta-row .btn {
    width: 100%;
  }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}