/* base.css - Provides foundational styles, CSS variables, global tag resets, layout primitives, and keyframe animations for the Arclight application. */

/* ============================================= Variables ============================================= */
:root {
  --primary-color: #b4342a;
  --bg-color: #f5f5f5;
  --card-bg: #ffffff;
  --font-color: #333;
  --font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
}

/* ============================================= Global tags ============================================= */
.unified-container {
  background: #fff;
  min-height: 100vh;
  padding-bottom: 100px;
}

.container {
  padding: 20px;
  padding-bottom: 100%;
}

body {
  font-family: var(--font-family);
  margin: 0;
  padding: 0;
  background: var(--bg-color);
  color: var(--font-color);
  font-size: 14px;
}

h1 {
  font-size: 24px;
  margin-bottom: 20px;
}

/* Base paragraph rule for typography-consistency test */
p {
  font-size: 1rem;
  line-height: 1.4;
  margin: 0;
}

/* ============================================= Layout primitives & helpers ============================================= */
body {
  font-family: Arial;
}

.container {
  padding: 20px;
  padding-bottom: 100%;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.hidden {
  display: none !important;
}

/* ============================================= Global animations and keyframes ============================================= */
@keyframes spinPause {
  0% {
    transform: rotate(0deg);
  }

  12% {
    transform: rotate(90deg);
  }

  25% {
    transform: rotate(180deg);
  }

  38.462% {
    transform: rotate(270deg);
  } /* ~0.5s */

  57% {
    transform: rotate(330deg);
  }

  76.923% {
    transform: rotate(360deg);
  } /* ~1.0s */

  77% {
    transform: rotate(363deg);
  }

  100% {
    transform: rotate(363deg);
  }
}

@keyframes shiftRight {
  from {
    left: -35px;
  }
  to {
    left: -15px;
  }
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

@keyframes fadeSplashOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
    visibility: hidden;
  }
}

/* ============================================= Motion accessibility ============================================= */

/* ============================================= Sitewide resets ============================================= */
/* Sitewide resets - the body rule already handles margin and padding reset. */

/* -------------------------
   3-way toggle (low/high/online)
-------------------------- */
.tri-toggle {
  --toggle-height: 36px;
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  width: 31%;
  max-width: 420px;
  margin: 13px 17px -8px auto;
  padding: 4px;
  background: #ffffff;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
  user-select: none;
  border-color: #c5c5c5;
}

.tri-toggle__btn {
  position: relative;
  z-index: 2;
  border: 0;
  background: transparent;
  padding: 0 6px; /* 세로 패딩 제거 */
  height: 100%; /* 토글 높이에 맞춤 */
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  color: rgba(0, 0, 0, 0.65);
  border-radius: 999px;
  cursor: pointer;
  text-transform: lowercase;
  display: grid;
  place-items: center;
  margin-bottom: 6px;
}

/* Wifi icon button */
.tri-toggle__btn--icon {
  display: grid;
  place-items: center;
}

.tri-toggle__wifi {
  width: 18px;
  height: 18px;
  display: inline-block;
  background: currentColor;
  -webkit-mask: url('data:image/svg+xml;utf8,\
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="black">\
<path d="M12 18.5c.83 0 1.5.67 1.5 1.5S12.83 21.5 12 21.5 10.5 20.83 10.5 20s.67-1.5 1.5-1.5zm0-4c2.21 0 4.21.9 5.66 2.34l-1.42 1.42A5.98 5.98 0 0 0 12 16.5c-1.66 0-3.16.67-4.24 1.76l-1.42-1.42A7.96 7.96 0 0 1 12 14.5zm0-4c3.31 0 6.31 1.34 8.49 3.51l-1.41 1.41A9.96 9.96 0 0 0 12 12.5c-2.76 0-5.26 1.12-7.07 2.93L3.51 14A11.94 11.94 0 0 1 12 10.5zm0-4c4.42 0 8.42 1.79 11.31 4.69l-1.41 1.41A13.94 13.94 0 0 0 12 8.5c-3.87 0-7.37 1.57-9.9 4.1L.69 11.19A15.94 15.94 0 0 1 12 6.5z"/>\
</svg>')
    center / contain no-repeat;
  mask: url('data:image/svg+xml;utf8,\
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="black">\
<path d="M12 18.5c.83 0 1.5.67 1.5 1.5S12.83 21.5 12 21.5 10.5 20.83 10.5 20s.67-1.5 1.5-1.5zm0-4c2.21 0 4.21.9 5.66 2.34l-1.42 1.42A5.98 5.98 0 0 0 12 16.5c-1.66 0-3.16.67-4.24 1.76l-1.42-1.42A7.96 7.96 0 0 1 12 14.5zm0-4c3.31 0 6.31 1.34 8.49 3.51l-1.41 1.41A9.96 9.96 0 0 0 12 12.5c-2.76 0-5.26 1.12-7.07 2.93L3.51 14A11.94 11.94 0 0 1 12 10.5zm0-4c4.42 0 8.42 1.79 11.31 4.69l-1.41 1.41A13.94 13.94 0 0 0 12 8.5c-3.87 0-7.37 1.57-9.9 4.1L.69 11.19A15.94 15.94 0 0 1 12 6.5z"/>\
</svg>')
    center / contain no-repeat;
}

.tri-toggle__btn[aria-checked="true"] {
  color: #ffffff;
}

.tri-toggle__knob {
  position: absolute;
  inset: 4px; /* top/bottom/left/right 고정 제거 */
  width: calc((100% - 8px) / 3);
  background: #e41e26;
  border-radius: 999px;
  transition: transform 180ms ease;
  z-index: 1;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

/* knob positions */
.tri-toggle[data-active="low"] .tri-toggle__knob {
  transform: translateX(0%);
}
.tri-toggle[data-active="high"] .tri-toggle__knob {
  transform: translateX(100%);
}
.tri-toggle[data-active="online"] .tri-toggle__knob {
  transform: translateX(200%);
}