/* base.css - app shell, tokens, and global primitives */

@property --float-offset {
  syntax: "<length>";
  inherits: false;
  initial-value: 0px;
}

:root {
  --hud-scale: 1;
  --hud-offset: calc(20px * var(--hud-scale));
  --hud-radius: calc(20px * var(--hud-scale));
  --hud-panel-padding: calc(16px * var(--hud-scale));
  --hud-panel-padding-sm: calc(12px * var(--hud-scale));
  --hud-gap-xs: calc(6px * var(--hud-scale));
  --hud-gap-sm: calc(10px * var(--hud-scale));
  --hud-gap-md: calc(14px * var(--hud-scale));
  --hud-gap-lg: calc(18px * var(--hud-scale));
  --hud-font-size: calc(0.88rem * var(--hud-scale));
  --hud-font-size-sm: calc(0.76rem * var(--hud-scale));
  --hud-title-size: calc(1.05rem * var(--hud-scale));
  --hud-border: rgba(225, 242, 255, 0.2);
  --hud-border-hover: rgba(236, 248, 255, 0.34);
  --hud-border-active: rgba(240, 249, 255, 0.5);
  --glass-fill-top: rgba(255, 255, 255, 0.14);
  --glass-fill-bottom: rgba(118, 200, 255, 0.08);
  --glass-shadow: 0 18px 34px rgba(0, 0, 0, 0.22);
  --glass-glow: 0 0 26px rgba(145, 214, 255, 0.18);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body,
.earth-page {
  width: 100%;
  height: 100%;
}

body.earth-page {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0a0a1a;
  color: #fff;
  overflow: hidden;
}

.earth-app {
  position: relative;
  width: 100vw;
  height: 100vh;
}

.earth-app.dragging {
  cursor: grabbing;
}

.earth-filters {
  position: absolute;
  width: 0;
  height: 0;
  pointer-events: none;
}

.earth-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 240;
  min-width: min(calc(320px * var(--hud-scale)), 78vw);
  padding: calc(26px * var(--hud-scale));
  border-radius: calc(18px * var(--hud-scale));
  border: 1px solid rgba(77, 184, 255, 0.34);
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, 0.12), transparent 35%),
    linear-gradient(180deg, rgba(13, 24, 46, 0.95), rgba(7, 14, 28, 0.94));
  box-shadow:
    0 0 30px rgba(77, 184, 255, 0.22),
    0 16px 40px rgba(0, 0, 0, 0.28);
  text-align: center;
  color: #4db8ff;
}

.earth-loading-text {
  color: #4db8ff;
}

.earth-loading-title {
  font-size: calc(1.15rem * var(--hud-scale));
  font-weight: 600;
}

.earth-loading-subtitle {
  margin-top: calc(10px * var(--hud-scale));
  color: #9ab7d4;
  font-size: calc(0.84rem * var(--hud-scale));
  line-height: 1.45;
}

.earth-loading-spinner {
  width: calc(40px * var(--hud-scale));
  height: calc(40px * var(--hud-scale));
  margin: 0 auto calc(15px * var(--hud-scale));
  border: 4px solid rgba(77, 184, 255, 0.28);
  border-top: 4px solid #4db8ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes floatDock {
  0%,
  100% {
    --float-offset: 0px;
  }

  50% {
    --float-offset: -2px;
  }
}