:root {
  --background: #101418;
  --surface: #1a2026;
  --surface-hover: #232b33;
  --border: #2c3640;
  --text: #e6edf3;
  --text-subtle: #8d99a6;
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--background);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

body {
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 24px;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

nav a {
  color: var(--text-subtle);
}

nav a:hover,
nav a[data-status="active"] {
  color: var(--text);
}

nav .right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

main {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

button {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 6px;
  border: none;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: var(--primary-hover);
}

button.subtle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-subtle);
  padding: 6px 14px;
  font-size: 14px;
}

button.subtle:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.hero {
  position: absolute;
  top: 128px;
  left: 0;
  right: 0;
  text-align: center;
}

.hero h1 {
  font-size: 64px;
  margin: 0 0 24px;
}

.centered {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

#glcanvas {
  flex: 1;
  /* Bevy/winit pins an inline pixel width/height on the canvas (from the window resolution), which
     overrides a plain `width: 100%` and leaves dead space or crops the game; `!important` beats the
     inline style so it fills the content area. */
  width: 100% !important;
  height: 100% !important;
  min-height: 0;
  display: block;
  outline: none;
  background: #000;
}

.user-name {
  color: var(--text-subtle);
}

/* Client errors surfaced on the page (see play.html) — a blank canvas is invisible otherwise,
   especially on mobile. Pinned to the bottom, scrollable, over the game. */
#error-log {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: 55%;
  margin: 0;
  padding: 12px 16px;
  overflow: auto;
  background: rgba(24, 4, 4, 0.94);
  color: #ff9a9a;
  font: 13px/1.45 ui-monospace, "SF Mono", Menlo, monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  z-index: 9999;
}

#error-log[hidden] {
  display: none;
}