:root {
  --primary: #ff6b35;
  --secondary: #004e89;
  --accent: #ffbe0b;
  --success: #2ec4b6;
  --bg: #fdf0d5;
  --dark: #1a1a2e;
  --border: 4px solid #1a1a2e;
  --shadow: 6px 6px 0px #1a1a2e;
  --shadow-sm: 4px 4px 0px #1a1a2e;
}

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

body {
  font-family: 'Noto Sans KR', sans-serif;
  background-color: var(--bg);
  background-image: radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 78, 137, 0.1) 0%, transparent 50%);
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 30px;
}

.title {
  font-family: 'Black Han Sans', sans-serif;
  font-size: 3rem;
  color: var(--dark);
  text-shadow: 4px 4px 0px var(--primary);
  margin-bottom: 10px;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--secondary);
  font-weight: 700;
}

/* Stats Card */
.stats-card {
  background: var(--primary);
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 25px 35px;
  margin-bottom: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.25s ease;
}

.stats-card.compact {
  padding: 10px 25px;
  gap: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.stat-item {
  text-align: center;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: font-size 0.25s ease;
}

.stats-card.compact .stat-label {
  font-size: 0.75rem;
}

.stat-value {
  font-family: 'Black Han Sans', sans-serif;
  font-size: 3.5rem;
  color: white;
  text-shadow: 3px 3px 0px var(--dark);
  line-height: 1;
  transition: all 0.25s ease;
}

.stats-card.compact .stat-value {
  font-size: 2rem;
  text-shadow: 2px 2px 0px var(--dark);
}

/* Selection pulse animation */
@keyframes pulse-pop {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
  100% {
    transform: scale(1);
  }
}

.stat-value.pulse {
  animation: pulse-pop 0.3s ease;
}

.stat-unit {
  font-size: 1.5rem;
}

/* Controls */
.controls {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border: 3px solid var(--dark);
  background: white;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.1s ease;
}

.filter-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--dark);
}

.filter-btn.active {
  background: var(--accent);
}

.save-btn {
  position: absolute;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 16px;
  border: 2px solid var(--dark);
  background: white;
  color: var(--dark);
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--dark);
  transition: all 0.2s ease;
}

.save-btn:hover:not(:disabled) {
  transform: translateY(-50%) translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--dark);
  background: var(--accent);
}

.save-btn:disabled {
  background: rgba(255, 255, 255, 0.5);
  color: rgba(26, 26, 46, 0.4);
  border-color: rgba(26, 26, 46, 0.3);
  box-shadow: none;
  cursor: not-allowed;
}

.stats-card.compact .save-btn {
  padding: 6px 14px;
  font-size: 0.8rem;
}

/* Event Grid */
.event-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.event-card {
  background: white;
  border: var(--border);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
  overflow: hidden;
}

.event-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px var(--dark);
}

.event-card.selected {
  background: var(--accent);
}

.event-card.selected::after {
  content: '✓';
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--success);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  border: 2px solid var(--dark);
}

.event-cover-wrapper {
  position: relative;
  width: 100%;
  height: 160px;
  border-bottom: 3px solid var(--dark);
}

.event-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.event-cover-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.event-type-overlay {
  position: absolute;
  bottom: 10px;
  left: 10px;
  font-size: 0.75rem;
  padding: 4px 10px;
  border: 2px solid var(--dark);
  font-weight: 700;
  border-radius: 4px;
  box-shadow: 2px 2px 0px var(--dark);
}

.event-type-overlay.바다수영 {
  background: rgba(0, 78, 137, 0.65);
  color: white;
}

.event-type-overlay.하이킹 {
  background: rgba(46, 196, 182, 0.65);
  color: white;
}

.event-type-overlay.여행 {
  background: rgba(255, 107, 53, 0.65);
  color: white;
}

.cover-zoom-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  background: white;
  border: 2px solid var(--dark);
  border-radius: 6px;
  box-shadow: 2px 2px 0px var(--dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px;
  transition: all 0.1s ease;
  color: var(--dark);
}

.cover-zoom-btn:hover {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--dark);
  background: var(--accent);
}

.event-content {
  padding: 12px 15px 15px;
}

.event-date {
  font-size: 0.85rem;
  color: var(--secondary);
  font-weight: 700;
  margin-bottom: 5px;
}

.event-title {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1.3;
}

.event-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.event-type {
  font-size: 0.8rem;
  padding: 5px 12px;
  border: 2px solid var(--dark);
  font-weight: 700;
}

.event-type.바다수영 {
  background: var(--secondary);
  color: white;
}

.event-type.하이킹 {
  background: var(--success);
  color: white;
}

.event-type.여행 {
  background: var(--primary);
  color: white;
}

.event-distance {
  font-family: 'Black Han Sans', sans-serif;
  font-size: 1.3rem;
  color: var(--primary);
  margin-left: auto;
  text-align: right;
}

/* YouTube Buttons */
.youtube-buttons {
  display: flex;
  gap: 6px;
  margin-top: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.youtube-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: #ff0000;
  margin-right: 4px;
  flex-shrink: 0;
}

.youtube-label svg {
  width: 100%;
  height: 100%;
}

.youtube-btn {
  position: relative;
  display: block;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--dark);
  box-shadow: 2px 2px 0px var(--dark);
  transition: all 0.15s ease;
}

.youtube-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--dark);
}

.youtube-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Share Card (for saving as image) */
.share-card-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 20px;
}

.share-card-wrapper.active {
  display: flex;
}

.share-card-container {
  background: white;
  border: var(--border);
  box-shadow: var(--shadow);
  width: 400px;
  max-width: 95vw;
}

.share-card {
  padding: 20px;
  background: var(--bg);
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
}

.share-card-header {
  text-align: center;
  margin-bottom: 12px;
}

.share-card-title {
  font-family: 'Black Han Sans', sans-serif;
  font-size: 1.6rem;
  color: var(--dark);
  text-shadow: 2px 2px 0px var(--primary);
}

.share-card-year {
  font-size: 0.85rem;
  color: var(--secondary);
  font-weight: 700;
}

.share-stats-row {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.share-stats {
  flex: 1;
  background: var(--primary);
  border: 3px solid var(--dark);
  box-shadow: 3px 3px 0px var(--dark);
  padding: 8px 10px;
  text-align: center;
}

.share-stats-label {
  font-size: 0.7rem;
  color: var(--dark);
  font-weight: 700;
}

.share-stats-value {
  font-family: 'Black Han Sans', sans-serif;
  font-size: 1.8rem;
  color: white;
  text-shadow: 2px 2px 0px var(--dark);
  line-height: 1;
}

/* Calendar Dot Map */
.share-calendar {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.share-month-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: white;
  border: 2px solid var(--dark);
  padding: 8px 12px;
  box-shadow: 2px 2px 0px var(--dark);
}

.share-month-label {
  font-family: 'Black Han Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--dark);
  width: 42px;
  flex-shrink: 0;
}

.share-month-dots {
  display: flex;
  gap: 5px;
  flex: 1;
  flex-wrap: wrap;
}

.share-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--dark);
  flex-shrink: 0;
}

.share-dot.바다수영 {
  background: #48cae4;
}

.share-dot.하이킹 {
  background: #ffb5a7;
}

.share-dot.여행 {
  background: #c8b6ff;
}

.share-dot.empty {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.15);
}

.share-month-km {
  font-family: 'Black Han Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--primary);
  min-width: 50px;
  text-align: right;
  flex-shrink: 0;
}

/* Activity Summary */
.share-activity-summary {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 8px;
  padding: 10px;
  background: white;
  border: 2px solid var(--dark);
  box-shadow: 2px 2px 0px var(--dark);
}

.share-activity-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  font-size: 0.8rem;
}

.share-activity-type {
  color: var(--secondary);
}

.share-activity-count {
  font-family: 'Black Han Sans', sans-serif;
  color: var(--dark);
}

.share-card-footer {
  text-align: center;
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--secondary);
  font-weight: 700;
}

.share-card-actions {
  display: flex;
  gap: 10px;
  padding: 20px;
  background: white;
  border-top: 3px solid var(--dark);
}

.share-card-actions button {
  flex: 1;
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 20px;
  border: 3px solid var(--dark);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.1s ease;
}

.share-card-actions button:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--dark);
}

.download-btn {
  background: var(--success);
  color: white;
}

.close-btn {
  background: white;
  color: var(--dark);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  background: white;
  border: var(--border);
  box-shadow: var(--shadow);
}

.empty-state-emoji {
  font-size: 4rem;
  margin-bottom: 15px;
}

.empty-state-text {
  font-size: 1.2rem;
  color: var(--dark);
  font-weight: 700;
}

/* Responsive */
@media (max-width: 600px) {
  .title {
    font-size: 2rem;
  }

  .stat-value {
    font-size: 2.5rem;
  }

  .stats-card {
    padding: 15px 70px 15px 20px;
    gap: 20px;
  }

  .stats-card.compact {
    padding: 10px 70px 10px 15px;
  }

  .controls {
    gap: 8px;
  }

  .filter-btn {
    padding: 8px 12px;
    font-size: 0.85rem;
  }

  .save-btn {
    right: 10px;
    padding: 6px 12px;
    font-size: 0.75rem;
  }

  .event-grid {
    grid-template-columns: 1fr;
  }
}

/* Image Modal */
.image-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding: 20px;
}

.image-modal.active {
  display: flex;
}

.image-modal-close {
  position: absolute;
  top: 20px;
  right: 25px;
  font-size: 40px;
  color: white;
  background: none;
  border: none;
  cursor: pointer;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.image-modal-close:hover {
  transform: scale(1.2);
  color: var(--accent);
}

.image-modal-content {
  max-width: 90%;
  max-height: 80vh;
  object-fit: contain;
  border: 4px solid white;
  border-radius: 8px;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.image-modal-caption {
  color: white;
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 15px;
  text-align: center;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

/* Hamburger Menu Button */
.hamburger-btn {
  position: fixed;
  top: 20px;
  left: 20px;
  width: 48px;
  height: 48px;
  background: white;
  border: 3px solid var(--dark);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  z-index: 200;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 10px;
  transition: all 0.2s ease;
}

.hamburger-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--dark);
  background: var(--accent);
}

.hamburger-btn.active {
  background: var(--primary);
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger-btn.active .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger-btn.active .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Side Menu Overlay */
.side-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.side-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Side Menu */
.side-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  max-width: 85vw;
  height: 100%;
  background: var(--bg);
  border-right: 4px solid var(--dark);
  box-shadow: 10px 0 30px rgba(0, 0, 0, 0.2);
  z-index: 250;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.side-menu.active {
  transform: translateX(0);
}

.side-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background: var(--primary);
  border-bottom: 4px solid var(--dark);
}

.side-menu-logo {
  font-family: 'Black Han Sans', sans-serif;
  font-size: 1.5rem;
  color: white;
  text-shadow: 2px 2px 0px var(--dark);
}

.side-menu-close {
  width: 36px;
  height: 36px;
  background: white;
  border: 3px solid var(--dark);
  box-shadow: 2px 2px 0px var(--dark);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.side-menu-close:hover {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--dark);
  background: var(--accent);
}

.side-menu-list {
  list-style: none;
  flex: 1;
  padding: 15px 0;
  overflow-y: auto;
}

.side-menu-list li {
  margin: 5px 15px;
}

.side-menu-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  background: white;
  border: 3px solid var(--dark);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: var(--dark);
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.15s ease;
}

.side-menu-link:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--dark);
  background: var(--accent);
}

.side-menu-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.side-menu-footer {
  padding: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--secondary);
  font-weight: 700;
  border-top: 3px solid var(--dark);
  background: white;
}

/* Adjust header for hamburger menu */
@media (max-width: 600px) {
  .hamburger-btn {
    width: 36px;
    height: 36px;
    top: 12px;
    left: 12px;
    padding: 7px;
    border-width: 2px;
    box-shadow: 2px 2px 0px var(--dark);
    gap: 3px;
  }

  .hamburger-line {
    width: 16px;
    height: 2px;
  }

  .hamburger-btn.active .hamburger-line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }

  .hamburger-btn.active .hamburger-line:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
  }
}