/* ==========================================================================
   TINKERCOSMIC - TINKERCAD-STYLE 3D SOLAR SYSTEM MAKER
   틴커캐드 스타일 UI/UX 디자인 시스템
   ========================================================================== */

:root {
  --tk-blue: #007fff;
  --tk-blue-hover: #0066cc;
  --tk-blue-glow: rgba(0, 127, 255, 0.4);
  --tk-cyan: #00f2fe;
  --tk-green: #00e676;
  --tk-red: #ff3b30;
  --tk-gold: #ffb703;
  --tk-purple: #8e24aa;

  --tk-bg-dark: #070913;
  --tk-bg-panel: rgba(18, 22, 39, 0.88);
  --tk-bg-panel-solid: #121627;
  --tk-bg-card: rgba(28, 34, 58, 0.7);
  --tk-bg-card-hover: rgba(45, 54, 88, 0.9);
  --tk-border: rgba(255, 255, 255, 0.12);
  --tk-border-active: rgba(0, 127, 255, 0.7);

  --tk-text-main: #f8fafc;
  --tk-text-sub: #94a3b8;
  --tk-text-dim: #64748b;

  --tk-radius-sm: 4px;
  --tk-radius-md: 8px;
  --tk-radius-lg: 12px;

  --tk-shadow-panel: 0 8px 30px rgba(0, 0, 0, 0.5), 0 0 1px rgba(255, 255, 255, 0.15);
  --tk-font-tech: 'Orbitron', -apple-system, sans-serif;
  --tk-font-kr: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--tk-bg-dark);
  font-family: var(--tk-font-kr);
  color: var(--tk-text-main);
}

#tinkercad-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* 3D WebGL 캔버스 */
#three-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  outline: none;
}

/* ==========================================================================
   틴커캐드 상단 네비게이션 헤더 바
   ========================================================================== */
#tk-top-bar {
  position: absolute;
  top: 10px;
  left: 12px;
  right: 12px;
  height: 52px;
  background: var(--tk-bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--tk-border);
  border-radius: var(--tk-radius-md);
  box-shadow: var(--tk-shadow-panel);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 20;
}

.tk-brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tk-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #fff;
}

.tk-logo-icon {
  font-size: 22px;
  animation: logo-spin 16s linear infinite;
}

@keyframes logo-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.tk-logo-text {
  font-family: var(--tk-font-tech);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
}
.tk-logo-text span { color: var(--tk-cyan); }

.tk-doc-title-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.3);
  padding: 4px 10px;
  border-radius: var(--tk-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tk-doc-title {
  background: transparent;
  border: none;
  color: var(--tk-text-main);
  font-size: 12px;
  font-weight: 600;
  outline: none;
  width: 140px;
}
.tk-doc-title:focus { color: var(--tk-cyan); }

/* 중앙 모드 스위처 (디자인 모드 ↔ 시뮬레이션 모드) */
.tk-mode-switch {
  display: flex;
  background: rgba(0, 0, 0, 0.45);
  padding: 3px;
  border-radius: var(--tk-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  gap: 4px;
}

.tk-mode-btn {
  background: transparent;
  border: none;
  color: var(--tk-text-sub);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.tk-mode-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.tk-mode-btn.active {
  background: var(--tk-blue);
  color: #fff;
  box-shadow: 0 0 12px var(--tk-blue-glow);
}

.tk-mode-btn.simulate.active {
  background: linear-gradient(135deg, #00c853, #00e676);
  box-shadow: 0 0 12px rgba(0, 230, 118, 0.4);
}

/* 상단 툴바 액션 버튼 그룹 */
.tk-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tk-btn-tool {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--tk-text-main);
  width: 32px;
  height: 32px;
  border-radius: var(--tk-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all 0.15s ease;
}

.tk-btn-tool:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--tk-cyan);
  color: #fff;
}

.tk-btn-tool:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  border-color: transparent;
}

.tk-btn-preset-top {
  background: linear-gradient(135deg, rgba(0, 127, 255, 0.25), rgba(142, 36, 170, 0.25));
  border: 1px solid rgba(0, 127, 255, 0.4);
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--tk-radius-sm);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.tk-btn-preset-top:hover {
  background: linear-gradient(135deg, var(--tk-blue), var(--tk-purple));
  box-shadow: 0 0 12px var(--tk-blue-glow);
}

/* ==========================================================================
   틴커캐드 시그니처 3D ViewCube (상단 좌측 뷰 큐브 네비게이션)
   ========================================================================== */
#tk-viewcube-container {
  position: absolute;
  top: 74px;
  left: 18px;
  width: 90px;
  height: 90px;
  z-index: 15;
  perspective: 400px;
}

.viewcube-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.viewcube {
  position: absolute;
  top: 15px;
  left: 15px;
  width: 60px;
  height: 60px;
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out;
  cursor: grab;
}

.viewcube.dragging { cursor: grabbing; }

.cube-face {
  position: absolute;
  width: 60px;
  height: 60px;
  background: rgba(30, 41, 69, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--tk-text-sub);
  font-family: var(--tk-font-tech);
  font-size: 9px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.15s;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.4);
}

.cube-face:hover {
  background: var(--tk-blue);
  color: #fff;
  border-color: #fff;
  box-shadow: 0 0 12px var(--tk-blue-glow);
}

.cube-face.top    { transform: rotateX(90deg) translateZ(30px); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(30px); }
.cube-face.front  { transform: translateZ(30px); }
.cube-face.back   { transform: rotateY(180deg) translateZ(30px); }
.cube-face.left   { transform: rotateY(-90deg) translateZ(30px); }
.cube-face.right  { transform: rotateY(90deg) translateZ(30px); }

/* ViewCube 하단 보조 툴 버튼들 (Home, Fit, Perspective) */
.viewcube-tools {
  position: absolute;
  top: 110px;
  left: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.vc-tool-btn {
  background: var(--tk-bg-panel);
  border: 1px solid var(--tk-border);
  color: var(--tk-text-sub);
  width: 26px;
  height: 26px;
  border-radius: var(--tk-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  transition: all 0.15s;
}

.vc-tool-btn:hover {
  background: var(--tk-blue);
  color: #fff;
  border-color: var(--tk-blue);
}

/* ==========================================================================
   우측 셰이프/천체 도서관 패널 (Tinkercad Shapes Library)
   ========================================================================== */
#tk-shapes-sidebar {
  position: absolute;
  top: 74px;
  right: 12px;
  width: 280px;
  max-height: calc(100vh - 145px);
  background: var(--tk-bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--tk-border);
  border-radius: var(--tk-radius-md);
  box-shadow: var(--tk-shadow-panel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 15;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

#tk-shapes-sidebar.collapsed {
  transform: translateX(300px);
}

.tk-sidebar-header {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.tk-sidebar-header h3 {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tk-category-dropdown {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--tk-text-main);
  padding: 4px 8px;
  border-radius: var(--tk-radius-sm);
  font-size: 11px;
  outline: none;
  cursor: pointer;
}

.tk-shapes-grid {
  padding: 12px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.tk-shape-card {
  background: var(--tk-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--tk-radius-md);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: grab;
  transition: all 0.2s ease;
  position: relative;
}

.tk-shape-card:active { cursor: grabbing; }

.tk-shape-card:hover {
  background: var(--tk-bg-card-hover);
  border-color: var(--tk-blue);
  box-shadow: 0 4px 12px var(--tk-blue-glow);
  transform: translateY(-2px);
}

.tk-shape-card.active {
  border-color: var(--tk-cyan);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.4);
}

.tk-shape-preview-box {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.tk-shape-icon {
  font-size: 30px;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.6));
}

.tk-shape-title {
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.tk-shape-desc {
  font-size: 9px;
  color: var(--tk-text-dim);
  text-align: center;
}

/* ==========================================================================
   틴커캐드 플로팅 셰이프 인스펙터 (Shape Properties Box)
   ========================================================================== */
#tk-shape-inspector {
  position: absolute;
  top: 74px;
  left: 120px;
  width: 290px;
  background: var(--tk-bg-panel);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--tk-border-active);
  border-radius: var(--tk-radius-md);
  box-shadow: var(--tk-shadow-panel), 0 0 20px rgba(0, 127, 255, 0.15);
  display: flex;
  flex-direction: column;
  z-index: 18;
  animation: inspector-pop 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes inspector-pop {
  0% { transform: scale(0.92); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

#tk-shape-inspector.hidden { display: none; }

.tk-inspector-header {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--tk-radius-md) var(--tk-radius-md) 0 0;
}

.tk-inspector-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tk-insp-icon { font-size: 18px; }

.tk-insp-name {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.tk-btn-close-sm {
  background: transparent;
  border: none;
  color: var(--tk-text-dim);
  font-size: 14px;
  cursor: pointer;
}
.tk-btn-close-sm:hover { color: #fff; }

.tk-inspector-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 480px;
  overflow-y: auto;
}

/* 3D 좌표 수치 입력 그리드 (X, Y, Z) */
.tk-coord-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: rgba(0, 0, 0, 0.3);
  padding: 6px;
  border-radius: var(--tk-radius-sm);
}

.tk-coord-input-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-family: var(--tk-font-tech);
}

.tk-coord-input-wrap.x span { color: #ff3b30; }
.tk-coord-input-wrap.y span { color: #00e676; }
.tk-coord-input-wrap.z span { color: #007fff; }

.tk-coord-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 3px 4px;
  border-radius: 3px;
  font-family: var(--tk-font-tech);
  font-size: 11px;
  text-align: right;
  outline: none;
}
.tk-coord-input:focus { border-color: var(--tk-cyan); }

/* 슬라이더 컨트롤 행 */
.tk-control-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.tk-control-header {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--tk-text-sub);
}

.tk-control-val {
  font-family: var(--tk-font-tech);
  font-size: 11px;
  font-weight: 700;
  color: var(--tk-cyan);
}

.tk-range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  outline: none;
}

.tk-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--tk-blue);
  cursor: pointer;
  box-shadow: 0 0 6px var(--tk-blue-glow);
}

/* 색상 & 체크박스 */
.tk-options-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.tk-color-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--tk-text-sub);
}

.tk-check-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--tk-text-sub);
  cursor: pointer;
}

/* 인스펙터 하단 액션 버튼들 */
.tk-inspector-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.tk-btn-action {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  padding: 6px 10px;
  border-radius: var(--tk-radius-sm);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s;
}

.tk-btn-action:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: var(--tk-cyan);
}

.tk-btn-action.primary {
  background: linear-gradient(135deg, var(--tk-blue), var(--tk-cyan));
  border: none;
  color: #fff;
  font-weight: 700;
}

.tk-btn-action.danger {
  border-color: rgba(255, 59, 48, 0.4);
  color: #ff6b6b;
}
.tk-btn-action.danger:hover {
  background: rgba(255, 59, 48, 0.2);
}

/* ==========================================================================
   하단 틴커캐드 작업평면 & 시뮬레이션 상태 바
   ========================================================================== */
#tk-bottom-bar {
  position: absolute;
  bottom: 10px;
  left: 12px;
  right: 12px;
  height: 48px;
  background: var(--tk-bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--tk-border);
  border-radius: var(--tk-radius-md);
  box-shadow: var(--tk-shadow-panel);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 20;
}

.tk-snap-grid-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--tk-text-sub);
}

.tk-select-sm {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  padding: 4px 8px;
  border-radius: var(--tk-radius-sm);
  font-size: 11px;
  outline: none;
  cursor: pointer;
}

.tk-view-toggles {
  display: flex;
  gap: 6px;
}

.tk-pill-toggle {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--tk-text-dim);
  padding: 5px 10px;
  border-radius: var(--tk-radius-sm);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s;
}

.tk-pill-toggle.active {
  background: rgba(0, 127, 255, 0.2);
  border-color: var(--tk-blue);
  color: #fff;
}

.tk-sim-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tk-btn-play {
  background: var(--tk-blue);
  border: none;
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 0 10px var(--tk-blue-glow);
  transition: transform 0.15s;
}
.tk-btn-play:hover { transform: scale(1.08); }

.tk-speed-selector {
  display: flex;
  background: rgba(0, 0, 0, 0.4);
  padding: 2px;
  border-radius: var(--tk-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tk-speed-btn {
  background: transparent;
  border: none;
  color: var(--tk-text-dim);
  padding: 4px 8px;
  font-family: var(--tk-font-tech);
  font-size: 10px;
  font-weight: 700;
  border-radius: 3px;
  cursor: pointer;
}

.tk-speed-btn.active {
  background: var(--tk-blue);
  color: #fff;
}

/* ==========================================================================
   드롭 인디케이터 & 안내
   ========================================================================== */
.tk-drag-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 1000;
  transform: translate(-50%, -50%);
  font-size: 32px;
  filter: drop-shadow(0 0 15px var(--tk-cyan));
  display: none;
}

/* 모달 팝업 공통 */
.tk-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 6, 18, 0.8);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.tk-modal-overlay.hidden { display: none; }

.tk-modal-box {
  width: min(680px, 90vw);
  background: var(--tk-bg-panel-solid);
  border: 1px solid var(--tk-border);
  border-radius: var(--tk-radius-lg);
  box-shadow: var(--tk-shadow-panel);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.tk-modal-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.tk-modal-body {
  padding: 20px;
  overflow-y: auto;
  max-height: 70vh;
}

/* ==========================================================================
   실시간 달의 위상 (Lunar Phase) HUD 위젯 & 관측 뷰어 스타일
   ========================================================================== */
.tk-lunar-hud-card {
  position: absolute;
  top: 70px;
  left: 20px;
  width: 250px;
  background: rgba(14, 18, 34, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 242, 254, 0.3);
  border-radius: var(--tk-radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 15px rgba(0, 242, 254, 0.15);
  z-index: 30;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.3s ease;
}

.tk-lunar-hud-card.hidden {
  display: none;
}

.tk-lunar-hud-header {
  padding: 8px 12px;
  background: rgba(0, 242, 254, 0.08);
  border-bottom: 1px solid rgba(0, 242, 254, 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tk-btn-icon-xs {
  background: none;
  border: none;
  color: var(--tk-text-dim);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 4px;
}
.tk-btn-icon-xs:hover {
  color: #fff;
}

.tk-lunar-hud-body {
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.tk-lunar-canvas {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #000;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.tk-lunar-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}

.tk-lunar-phase-title {
  font-size: 13px;
  font-weight: 700;
  color: #ffeaa7;
  margin-bottom: 2px;
}

.tk-lunar-stat-row {
  font-size: 10px;
  color: var(--tk-text-dim);
  display: flex;
  justify-content: space-between;
}

.tk-lunar-stat-row strong {
  color: var(--tk-cyan);
}

.tk-lunar-stat-row span:last-child {
  color: var(--tk-text-main);
}

/* 툴바 토글 버튼 (Pill style) */
.tk-pill-toggle {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--tk-border);
  color: var(--tk-text-sub);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.tk-pill-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.tk-pill-toggle.active {
  background: rgba(0, 242, 254, 0.18);
  border-color: var(--tk-cyan);
  color: var(--tk-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}