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

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f4;
  --bg-tertiary: #eeede8;
  --text-primary: #1a1a18;
  --text-secondary: #5f5e5a;
  --text-tertiary: #88877f;
  --border: rgba(0, 0, 0, 0.12);
  --border-md: rgba(0, 0, 0, 0.22);
  --radius-md: 8px;
  --radius-lg: 12px;
  --blue: #185fa5;
  --blue-light: #e6f1fb;
  --blue-text: #042c53;
  --green: #3b6d11;
  --green-light: #eaf3de;
  --amber: #854f0b;
  --amber-light: #faeeda;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1c1c1a;
    --bg-secondary: #252523;
    --bg-tertiary: #2e2e2b;
    --text-primary: #e8e7e1;
    --text-secondary: #a8a7a0;
    --text-tertiary: #6e6d67;
    --border: rgba(255, 255, 255, 0.1);
    --border-md: rgba(255, 255, 255, 0.18);
    --blue-light: #0c447c;
    --blue-text: #b5d4f4;
    --green-light: #27500a;
    --amber-light: #633806;
  }
}

html,
body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  background: var(--bg-primary);
  border-left: 0.5px solid var(--border);
  border-right: 0.5px solid var(--border);
}

#header {
  padding: 10px 16px;
  border-bottom: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--bg-primary);
  min-height: 48px;
}
#header h1 {
  font-family: "Pixelify Sans", sans-serif;
  font-size: 22px;
  font-weight: 300;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  cursor: default;
}
#header h1 i {
  font-size: 18px;
  color: var(--blue);
}
#chips-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}
#sat-chips {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.sat-chip {
  font-size: 12px;
  padding: 3px 6px 3px 10px;
  border-radius: 99px;
  border: 0.5px solid var(--border-md);
  background: var(--bg-primary);
  color: var(--text-secondary);
  white-space: nowrap;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: opacity 0.15s;
}
.sat-chip-hidden {
  opacity: 0.4;
  filter: grayscale(1);
}
.sat-chip-hidden:hover {
  opacity: 0.65;
}
.remove-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  opacity: 0.5;
  font-size: 14px;
  line-height: 1;
  padding: 1px 2px;
  border-radius: 99px;
  display: flex;
  align-items: center;
}
.remove-btn:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.1);
}
#add-sat-btn {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 99px;
  border: 0.5px dashed var(--border-md);
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  transition: all 0.15s;
}
#add-sat-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-style: solid;
}

#modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0, 0, 0, 0.4);
}
#modal-backdrop.open {
  display: block;
}
#search-modal {
  display: none;
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9001;
  width: 460px;
  max-width: calc(100vw - 32px);
  background: var(--bg-primary);
  border: 0.5px solid var(--border-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}
#search-modal.open {
  display: block;
}
#search-header {
  padding: 11px 14px;
  border-bottom: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
#search-header i.ti-search {
  color: var(--text-tertiary);
  font-size: 16px;
  flex-shrink: 0;
}
#search-input {
  flex: 1;
  font-size: 14px;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-primary);
}
#search-input::placeholder {
  color: var(--text-tertiary);
}
#search-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary);
  font-size: 20px;
  padding: 0;
  line-height: 1;
  display: flex;
  align-items: center;
}
#search-close:hover {
  color: var(--text-primary);
}
#search-results {
  max-height: 340px;
  overflow-y: auto;
}
#search-results::-webkit-scrollbar {
  width: 4px;
}
#search-results::-webkit-scrollbar-thumb {
  background: var(--border-md);
  border-radius: 2px;
}
.result-row {
  padding: 9px 14px;
  border-bottom: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.result-row:last-child {
  border-bottom: none;
}
.result-info {
  min-width: 0;
}
.result-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.result-meta {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 1px;
}
.result-add-btn {
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 99px;
  border: 0.5px solid var(--border-md);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.12s;
}
.result-add-btn:hover:not(:disabled) {
  background: var(--blue-light);
  color: var(--blue);
  border-color: var(--blue);
}
.result-add-btn:disabled {
  background: var(--green-light);
  color: var(--green);
  border-color: var(--green);
  cursor: default;
}
#search-status {
  padding: 24px 14px;
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.6;
}
#search-hint {
  padding: 8px 14px 10px;
  font-size: 11px;
  color: var(--text-tertiary);
  border-top: 0.5px solid var(--border);
  line-height: 1.6;
}
#search-hint a {
  color: var(--blue);
  text-decoration: none;
}
#search-hint a:hover {
  text-decoration: underline;
}

#share-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--text-primary);
  color: var(--bg-primary);
  font-size: 12px;
  padding: 8px 16px;
  border-radius: 99px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 9999;
  white-space: nowrap;
}
#share-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#main {
  display: flex;
  flex: 1;
  overflow: hidden;
}
#map-wrap {
  flex: 1;
  position: relative;
  min-width: 0;
}
#map {
  width: 100%;
  height: 100%;
}
#map-overlay {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1000;
  background: var(--bg-primary);
  border: 0.5px solid var(--border-md);
  border-radius: var(--radius-md);
  padding: 6px 10px;
  font-size: 12px;
  color: var(--text-secondary);
  pointer-events: none;
}

#sidebar {
  width: 260px;
  border-left: 0.5px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
}
#loc-bar {
  padding: 10px 12px;
  border-bottom: 0.5px solid var(--border);
}
#loc-bar label {
  font-size: 11px;
  color: var(--text-tertiary);
  display: block;
  margin-bottom: 5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
#loc-row {
  display: flex;
  gap: 6px;
  align-items: stretch;
}
#loc-input {
  flex: 1;
  font-family: inherit;
  font-size: 13px;
  padding: 6px 8px;
  border: 1px solid var(--border-md);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
#loc-input:focus {
  border-color: var(--blue);
}
#loc-btn {
  font-family: inherit;
  font-size: 13px;
  padding: 0 12px;
  border: 1px solid var(--border-md);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  white-space: nowrap;
  transition: background 0.1s;
  appearance: none;
  -webkit-appearance: none;
}
#loc-btn:hover {
  background: var(--bg-secondary);
}
#passes-header {
  padding: 8px 12px 6px;
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 0.5px solid var(--border);
}
#passes-list {
  flex: 1;
  overflow-y: auto;
}
#passes-list::-webkit-scrollbar {
  width: 4px;
}
#passes-list::-webkit-scrollbar-thumb {
  background: var(--border-md);
  border-radius: 2px;
}
.pass-item {
  padding: 9px 12px;
  border-bottom: 0.5px solid var(--border);
  cursor: pointer;
  transition: background 0.1s;
}
.pass-item:hover {
  background: var(--bg-secondary);
}
.pass-item.active {
  background: var(--blue-light);
}
.pass-sat {
  font-size: 12px;
  font-weight: 500;
}
.pass-time {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.pass-meta {
  display: flex;
  gap: 6px;
  margin-top: 4px;
  flex-wrap: wrap;
  align-items: center;
}
.pass-badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 99px;
  font-weight: 500;
}
.badge-dur {
  background: var(--blue-light);
  color: var(--blue-text);
}
.badge-el {
  background: var(--green-light);
  color: var(--green);
}
.badge-high {
  background: var(--amber-light);
  color: var(--amber);
}
.share-btn {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary);
  font-size: 13px;
  padding: 2px 3px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  transition: color 0.1s, background 0.1s;
  flex-shrink: 0;
}
.share-btn:hover {
  color: var(--blue);
  background: var(--blue-light);
}
.empty-state {
  padding: 32px 16px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 12px;
  line-height: 1.7;
}
.empty-state i {
  font-size: 28px;
  display: block;
  margin-bottom: 8px;
  opacity: 0.4;
}

#status-bar {
  padding: 7px 12px;
  border-top: 0.5px solid var(--border);
  font-size: 11px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #1d9e75;
  flex-shrink: 0;
}
.dot.loading {
  background: #ba7517;
  animation: pulse 1s infinite;
}
.dot.error {
  background: #e24b4a;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

@media (max-width: 600px) {
  #main {
    flex-direction: column;
  }
  #map-wrap {
    height: 55vh;
  }
  #sidebar {
    width: 100%;
    border-left: none;
    border-top: 0.5px solid var(--border);
  }
}