@import url('https://fonts.googleapis.com/css2?family=Gowun+Dodum&family=Jua&display=swap');

:root {
  --bg-1: #fff8e8;
  --bg-2: #ffe8d2;
  --ink: #3b2f2f;
  --card: #ffffffcc;
  --mint: #b8f2e6;
  --sky: #b5e7ff;
  --sun: #ffd56f;
  --coral: #ff9f9f;
  --dew: #73c8ff;
  --line: #524343;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 10%, #fff3c4, transparent 35%),
    radial-gradient(circle at 80% 20%, #ffd2b8, transparent 30%),
    linear-gradient(160deg, var(--bg-1), var(--bg-2));
  color: var(--ink);
  font-family: 'Gowun Dodum', sans-serif;
  overflow-x: hidden;
}

.bg-shape {
  position: fixed;
  z-index: 0;
  pointer-events: none;
  filter: blur(2px);
}

.bg-shape-a {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: #fff2a8;
  left: -60px;
  top: -60px;
  animation: floatA 5s ease-in-out infinite;
}

.bg-shape-b {
  width: 220px;
  height: 220px;
  border-radius: 40% 60% 65% 35%;
  background: #bcecff;
  right: -70px;
  bottom: -60px;
  animation: floatB 7s ease-in-out infinite;
}

.app {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px 36px;
}

.hero h1 {
  margin: 8px 0 4px;
  font-family: 'Jua', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.hero p {
  margin: 0;
  font-size: 1.05rem;
}

.status-card {
  margin-top: 16px;
  background: var(--card);
  border: 3px solid #fff;
  border-radius: 18px;
  padding: 12px;
  box-shadow: 0 8px 24px #a7705022;
}

.status-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  border-radius: 999px;
  padding: 8px 14px;
  font-family: 'Jua', sans-serif;
  letter-spacing: 0.2px;
  border: 2px solid #ffffff;
}

.badge.temp {
  background: #ffe4a8;
}

.badge.hum {
  background: #c8f0ff;
}

.badge.dew {
  background: #d8f5e6;
}

.controls {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 1fr));
  gap: 8px;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 0.98rem;
  font-family: 'Jua', sans-serif;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.btn:active {
  transform: translateY(0);
}

.btn-cool {
  background: #9fe2ff;
}

.btn-warm {
  background: #ffcc88;
}

.btn-humid {
  background: #8ed8ff;
}

.btn-dry {
  background: #cfe9ff;
}

.btn-primary {
  background: #ffe48c;
}

.btn-save {
  background: #b8f2e6;
}

.btn-load {
  background: #ffd7d7;
}

.lab-zone {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 14px;
}

.classroom,
.inquiry-panel {
  background: var(--card);
  border-radius: 18px;
  border: 3px solid #fff;
  box-shadow: 0 8px 24px #a7705022;
}

.classroom {
  padding: 14px;
}

.wall {
  height: 10px;
  border-radius: 999px;
  background: #ffe9d0;
}

.window-wrap {
  margin-top: 10px;
}

.window-title {
  font-family: 'Jua', sans-serif;
  margin-bottom: 8px;
}

.window {
  position: relative;
  border-radius: 14px;
  height: 280px;
  background: linear-gradient(180deg, #d9f3ff, #b6e4ff);
  border: 6px solid #f7f7f7;
  overflow: hidden;
}

.frame {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, transparent 49.5%, #f9ffff 49.5%, #f9ffff 50.5%, transparent 50.5%),
    linear-gradient(to bottom, transparent 49.5%, #f9ffff 49.5%, #f9ffff 50.5%, transparent 50.5%);
  opacity: 0.8;
}

.droplets {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.45s ease;
}

.drop {
  position: absolute;
  width: 14px;
  height: 18px;
  background: radial-gradient(circle at 30% 25%, #ffffff, #9dd8ff 60%, #7ac8ff 100%);
  border-radius: 50% 50% 55% 55%;
  animation: bob 2.8s ease-in-out infinite;
}

.devices {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.device {
  flex: 1;
  text-align: center;
  border-radius: 12px;
  border: 2px dashed #fff;
  padding: 8px;
  font-family: 'Jua', sans-serif;
  background: #fff;
}

.humidifier.active {
  background: #bcecff;
}

.dehumidifier.active {
  background: #d8f4ff;
}

.inquiry-panel {
  padding: 14px;
}

.inquiry-panel h2,
.inquiry-panel h3 {
  margin: 6px 0;
  font-family: 'Jua', sans-serif;
}

.inquiry-panel label {
  display: block;
  margin-top: 8px;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  margin-top: 4px;
  border: 2px solid #ffe5c0;
  border-radius: 10px;
  padding: 8px;
  font-family: inherit;
  font-size: 0.95rem;
}

.check-group {
  margin-top: 10px;
  background: #fff9eb;
  border-radius: 12px;
  padding: 8px;
}

.check-group label {
  font-weight: 500;
  margin-top: 6px;
}

.note-actions {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.message {
  margin-top: 10px;
  border-radius: 10px;
  padding: 10px;
  line-height: 1.5;
  font-size: 0.95rem;
}

.error {
  background: #ffe5e5;
  border: 2px solid #ffc4c4;
}

.feedback {
  background: #eafff4;
  border: 2px solid #c8f2dd;
}

.hidden {
  display: none;
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(3px);
  }
}

@keyframes floatA {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(0, 10px);
  }
}

@keyframes floatB {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(-8px, -8px) rotate(4deg);
  }
}

@media (max-width: 900px) {
  .lab-zone {
    grid-template-columns: 1fr;
  }

  .window {
    height: 230px;
  }
}