/* ============================================
   렌트카 로딩 오버레이 디자인 시스템
   - 자체 #rc-loading-overlay를 사용 (rentcar.js의 #loading_cover와 독립)
   ============================================ */

/* rentcar.js가 만드는 원래 #loading_cover 숨김 */
#loading_cover { display: none !important; }

/* 커스텀 로딩 오버레이 */
#rc-loading-overlay {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  animation: rcOverlayIn 0.2s ease-out;
}

@keyframes rcOverlayIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.rc-loader-box {
  text-align: center;
  padding: 40px 50px;
  border-radius: 20px;
  background: rgba(255,255,255,0.95);
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  max-width: 340px;
  width: 90%;
  animation: rcBoxIn 0.3s ease-out;
}
@keyframes rcBoxIn {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.rc-loader-text {
  margin-top: 20px;
  font-size: 15px;
  font-weight: 700;
  color: #333;
  font-family: 'Pretendard Variable', -apple-system, sans-serif;
  line-height: 1.5;
}

.rc-loader-subtext {
  margin-top: 8px;
  font-size: 12px;
  color: #999;
  font-family: 'Pretendard Variable', -apple-system, sans-serif;
}

/* ============================
   디자인 1: 자동차 달리기
   ============================ */
.rc-loader-car {
  width: 120px;
  height: 60px;
  position: relative;
  margin: 0 auto;
}
.rc-loader-car .car-body {
  font-size: 48px;
  animation: rcCarBounce 0.6s ease-in-out infinite;
  display: inline-block;
  color: var(--rc-primary, #FF6B00);
}
.rc-loader-car .car-road {
  position: absolute;
  bottom: 0;
  left: -20px;
  right: -20px;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, #ddd 20%, #ddd 80%, transparent 100%);
  overflow: hidden;
}
.rc-loader-car .car-road::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 100%;
  background: repeating-linear-gradient(90deg, transparent, transparent 8px, #bbb 8px, #bbb 16px);
  animation: rcRoadMove 0.8s linear infinite;
}
.rc-loader-car .car-dust {
  position: absolute;
  bottom: 6px;
  left: -10px;
  display: flex;
  gap: 4px;
}
.rc-loader-car .car-dust span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ccc;
  animation: rcDustFade 0.8s ease-out infinite;
}
.rc-loader-car .car-dust span:nth-child(2) { animation-delay: 0.15s; width: 4px; height: 4px; }
.rc-loader-car .car-dust span:nth-child(3) { animation-delay: 0.3s; width: 3px; height: 3px; }

@keyframes rcCarBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
@keyframes rcRoadMove {
  0% { transform: translateX(0); }
  100% { transform: translateX(16px); }
}
@keyframes rcDustFade {
  0% { opacity: 0.8; transform: translateX(0) scale(1); }
  100% { opacity: 0; transform: translateX(-12px) scale(0.3); }
}


/* ============================
   디자인 2: 원형 프로그레스 + 자동차
   ============================ */
.rc-loader-circle {
  width: 80px;
  height: 80px;
  position: relative;
  margin: 0 auto;
}
.rc-loader-circle .circle-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 4px solid #f0f0f0;
  border-top-color: var(--rc-primary, #FF6B00);
  animation: rcSpin 1s linear infinite;
}
.rc-loader-circle .circle-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 28px;
  color: var(--rc-primary, #FF6B00);
}

@keyframes rcSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}


/* ============================
   디자인 3: 3개 바운싱 점
   ============================ */
.rc-loader-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 60px;
}
.rc-loader-dots span {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--rc-primary, #FF6B00);
  animation: rcDotBounce 0.6s ease-in-out infinite alternate;
}
.rc-loader-dots span:nth-child(2) { animation-delay: 0.2s; opacity: 0.7; }
.rc-loader-dots span:nth-child(3) { animation-delay: 0.4s; opacity: 0.5; }

@keyframes rcDotBounce {
  0% { transform: translateY(0); }
  100% { transform: translateY(-16px); }
}


/* ============================
   디자인 4: 펄스 링
   ============================ */
.rc-loader-pulse {
  width: 80px;
  height: 80px;
  position: relative;
  margin: 0 auto;
}
.rc-loader-pulse .pulse-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid var(--rc-primary, #FF6B00);
  animation: rcPulseRing 1.5s ease-out infinite;
}
.rc-loader-pulse .pulse-ring:nth-child(2) { animation-delay: 0.5s; }
.rc-loader-pulse .pulse-ring:nth-child(3) { animation-delay: 1s; }
.rc-loader-pulse .pulse-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 24px;
  color: var(--rc-primary, #FF6B00);
  animation: rcPulseIcon 1.5s ease-in-out infinite;
}

@keyframes rcPulseRing {
  0% { transform: scale(0.5); opacity: 1; }
  100% { transform: scale(1.3); opacity: 0; }
}
@keyframes rcPulseIcon {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.1); }
}


/* ============================
   디자인 5: 프로그레스 바
   ============================ */
.rc-loader-bar {
  width: 200px;
  margin: 0 auto;
}
.rc-loader-bar .bar-icon {
  font-size: 36px;
  color: var(--rc-primary, #FF6B00);
  margin-bottom: 16px;
  animation: rcBarIcon 2s ease-in-out infinite;
}
.rc-loader-bar .bar-track {
  width: 100%;
  height: 6px;
  background: #f0f0f0;
  border-radius: 3px;
  overflow: hidden;
}
.rc-loader-bar .bar-fill {
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, var(--rc-primary, #FF6B00), var(--rc-primary-hover, #E55E00));
  border-radius: 3px;
  animation: rcBarSlide 1.5s ease-in-out infinite;
}

@keyframes rcBarSlide {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(150%); }
  100% { transform: translateX(350%); }
}
@keyframes rcBarIcon {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}


/* ============================
   디자인 6: 열쇠 회전
   ============================ */
.rc-loader-key {
  width: 80px;
  height: 80px;
  position: relative;
  margin: 0 auto;
}
.rc-loader-key .key-icon {
  font-size: 40px;
  color: var(--rc-primary, #FF6B00);
  animation: rcKeyTurn 1.2s ease-in-out infinite;
  display: inline-block;
}
.rc-loader-key .key-sparkle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--rc-primary, #FF6B00);
  border-radius: 50%;
  animation: rcSparkle 1.2s ease-out infinite;
}
.rc-loader-key .key-sparkle:nth-child(2) { top: 10px; right: 10px; animation-delay: 0.3s; }
.rc-loader-key .key-sparkle:nth-child(3) { bottom: 15px; left: 10px; animation-delay: 0.6s; }
.rc-loader-key .key-sparkle:nth-child(4) { top: 20px; left: 5px; animation-delay: 0.9s; }

@keyframes rcKeyTurn {
  0% { transform: rotate(0deg); }
  25% { transform: rotate(-20deg); }
  75% { transform: rotate(20deg); }
  100% { transform: rotate(0deg); }
}
@keyframes rcSparkle {
  0% { opacity: 0; transform: scale(0); }
  50% { opacity: 1; transform: scale(1.5); }
  100% { opacity: 0; transform: scale(0); }
}


/* ============================
   반응형
   ============================ */
@media (max-width: 768px) {
  .rc-loader-box {
    padding: 30px 30px;
    max-width: 280px;
    border-radius: 16px;
  }
  .rc-loader-text { font-size: 13px; }
  .rc-loader-subtext { font-size: 11px; }
}