/* ---------- design tokens ---------- */
:root {
  --aws-orange: #ff9900;
  --aws-orange-soft: #ffb84d;
  --aws-ink: #161e2d;
  --aws-squid: #232f3e;

  --bg: #080b12;
  --bg-raised: rgba(255, 255, 255, 0.04);
  --bg-raised-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #eef2f8;
  --text-dim: #9aa6bd;
  --text-faint: #5d6980;

  --good: #35d07f;
  --bad: #ff5c5c;
  --info: #4d9fff;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;

  --shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.8);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ---------- ambient background ---------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.aurora::before,
.aurora::after {
  content: "";
  position: absolute;
  width: 60vmax;
  height: 60vmax;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.28;
  will-change: transform;
}

.aurora::before {
  background: radial-gradient(circle, var(--aws-orange) 0%, transparent 65%);
  top: -22vmax;
  left: -12vmax;
  animation: drift-a 26s var(--ease) infinite alternate;
}

.aurora::after {
  background: radial-gradient(circle, var(--info) 0%, transparent 65%);
  bottom: -26vmax;
  right: -14vmax;
  animation: drift-b 32s var(--ease) infinite alternate;
}

.grid-veil {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 100%);
}

@keyframes drift-a {
  to {
    transform: translate3d(14vmax, 10vmax, 0) scale(1.15);
  }
}

@keyframes drift-b {
  to {
    transform: translate3d(-12vmax, -8vmax, 0) scale(1.1);
  }
}

/* ---------- top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px clamp(16px, 4vw, 40px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--aws-orange), #ff6a00);
  color: #17202e;
  font-weight: 800;
  font-size: 13px;
  box-shadow: 0 6px 20px -6px rgba(255, 153, 0, 0.7);
}

.brand-text small {
  display: block;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ---------- primitives ---------- */
.card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 14px 26px;
  font: inherit;
  font-weight: 650;
  font-size: 15px;
  color: #1a1200;
  background: linear-gradient(135deg, var(--aws-orange-soft), var(--aws-orange));
  cursor: pointer;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), filter 0.18s var(--ease);
  box-shadow: 0 10px 30px -12px rgba(255, 153, 0, 0.9);
}

.btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -12px rgba(255, 153, 0, 0.95);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(0.5);
}

.btn-ghost {
  background: var(--bg-raised);
  border-color: var(--border-strong);
  color: var(--text);
  box-shadow: none;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-raised-2);
  box-shadow: none;
}

.btn-danger {
  background: rgba(255, 92, 92, 0.14);
  border-color: rgba(255, 92, 92, 0.4);
  color: #ff8f8f;
  box-shadow: none;
}

.btn-danger:hover:not(:disabled) {
  background: rgba(255, 92, 92, 0.24);
  box-shadow: none;
}

.field {
  display: block;
  margin-bottom: 18px;
}

.field > span {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

input,
textarea {
  width: 100%;
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.16s, box-shadow 0.16s, background 0.16s;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-faint);
}

input:focus,
textarea:focus {
  border-color: var(--aws-orange);
  background: rgba(0, 0, 0, 0.45);
  box-shadow: 0 0 0 4px rgba(255, 153, 0, 0.16);
}

textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.hint {
  font-size: 13px;
  color: var(--text-faint);
  line-height: 1.5;
}

.error-note {
  min-height: 20px;
  margin: 0 0 14px;
  font-size: 13.5px;
  color: var(--bad);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 0 rgba(53, 208, 127, 0.6);
  animation: pulse 2.4s infinite;
}

.dot.is-off {
  background: var(--text-faint);
  animation: none;
  box-shadow: none;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 9px rgba(53, 208, 127, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(53, 208, 127, 0);
  }
}

.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;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}