* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(ellipse at 80% 0, rgba(95, 159, 215, 0.12), transparent 34rem),
    linear-gradient(145deg, var(--color-page-deep), var(--color-page) 55%, #10243a);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
.button,
input,
select,
textarea {
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-small);
}

button,
.button {
  display: inline-flex;
  min-height: var(--control-height);
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface-raised);
  color: var(--color-text);
  font-weight: 650;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

button:hover:not(:disabled),
.button:hover {
  border-color: var(--color-accent);
  background: #203c5b;
}

button:active:not(:disabled),
.button:active {
  transform: translateY(1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

input,
select,
textarea {
  max-width: 100%;
  padding: var(--space-3);
  background: rgba(4, 12, 24, 0.72);
}

textarea {
  width: 100%;
  min-height: 8rem;
  resize: vertical;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.1rem;
  height: 1.1rem;
  margin: 0 var(--space-2) 0 0;
  accent-color: var(--color-accent-strong);
  vertical-align: middle;
}

label {
  color: var(--color-text-muted);
  font-weight: 600;
}

label:has(input[type="checkbox"]),
label:has(input[type="radio"]) {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

::placeholder {
  color: var(--color-text-quiet);
  opacity: 1;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

:where(button, input, select, textarea, a, summary):focus:not(:focus-visible) {
  outline: none;
}

a {
  color: var(--color-accent);
  text-underline-offset: 0.18em;
}

a:hover {
  color: #c4e0f8;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-text);
  line-height: 1.2;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: -0.025em;
}

p {
  color: var(--color-text-muted);
}

.app-shell {
  width: min(var(--content-width), calc(100% - 2rem));
  margin-inline: auto;
  padding-block: var(--space-6) var(--space-7);
}

.phase-indicator {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  margin-bottom: var(--space-5);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface-soft);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  font-weight: 700;
}

.workspace,
.launchpad {
  min-width: 0;
}

[hidden] {
  display: none !important;
}

.app-notices:empty {
  display: none;
}

.app-notices {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface-soft);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
}

@media (max-width: 600px) {
  .app-shell {
    width: min(100% - 1.5rem, var(--content-width));
    padding-block: var(--space-4) var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}