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

:root {
  --bg-deep: #121218;
  --bg-gradient-mid: #1a1424;
  --bg-gradient-end: #251a32;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-hover: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.12);
  --border-hover: rgba(255, 255, 255, 0.22);
  --text: #f4f2f8;
  --text-muted: rgba(244, 242, 248, 0.55);
  --accent: #c4a5e8;
  --accent-soft: rgba(196, 165, 232, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --max-width: 90%;
}

html {
  font-size: 15px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html {
  background: var(--bg-deep);
  background-image: linear-gradient(
    165deg,
    var(--bg-deep) 0%,
    var(--bg-gradient-mid) 45%,
    var(--bg-gradient-end) 100%
  );
  background-attachment: fixed;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(18, 18, 24, 0.75);
  backdrop-filter: blur(12px);
}

.site-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.875rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-brand {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.site-brand:hover {
  color: var(--accent);
}

.site-main {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.site-footer a {
  color: var(--text-muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent);
}

/* Page blocks */
.page-header {
  margin-bottom: 1.75rem;
}

.page-title {
  margin: 0 0 0.35rem;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.page-lead {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 36ch;
}

.page-header--row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 1.5rem;
}

.page-header--row .page-lead {
  max-width: 42ch;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.create-trip-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.field-input {
  min-width: 11rem;
  max-width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.field-input::placeholder {
  color: var(--text-muted);
}

.field-input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

.btn-primary {
  color: var(--bg-deep);
  background: var(--accent);
  border-color: rgba(255, 255, 255, 0.12);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-secondary {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
}

.form-alert {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.form-alert--error {
  color: #fecaca;
  background: rgba(220, 38, 38, 0.2);
  border: 1px solid rgba(248, 113, 113, 0.35);
}

.form-alert--success {
  color: #bbf7d0;
  background: rgba(22, 163, 74, 0.2);
  border: 1px solid rgba(74, 222, 128, 0.35);
}

.trip-detail-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.trip-detail-head .trip-detail-title {
  margin: 0;
}

.trip-detail-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.trip-page--tag-ui-hidden .timeline-tags-panel,
.trip-page--tag-ui-hidden .media-card-tag-form {
  display: none !important;
}

.upload-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.upload-form-label {
  position: relative;
  overflow: hidden;
}

.upload-form-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  font-size: 0;
}

.upload-status {
  margin-bottom: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.upload-status-inner {
  padding: 0.85rem 1rem;
}

.upload-status-title {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.upload-status-title.upload-status-title--error {
  color: #fecaca;
}

.upload-status-title.upload-status-title--success {
  color: #bbf7d0;
}

.upload-progress {
  margin-bottom: 0.35rem;
}

.upload-progress-track {
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.upload-progress-bar {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-soft), var(--accent));
  transition: width 0.12s ease-out;
}

.upload-progress-text {
  margin: 0.35rem 0 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.upload-status-detail {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.upload-status-files {
  list-style: none;
  margin: 0.65rem 0 0;
  padding: 0;
  max-height: 12rem;
  overflow: auto;
  font-size: 0.78rem;
}

.upload-status-files li {
  margin: 0;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.upload-status-files li + li {
  margin-top: 0.2rem;
}

.upload-status-files li.upload-status-file--ok {
  background: rgba(22, 163, 74, 0.12);
  color: #bbf7d0;
}

.upload-status-files li.upload-status-file--err {
  background: rgba(220, 38, 38, 0.12);
  color: #fecaca;
}

.upload-status-files .upload-status-file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.upload-status-files .upload-status-file-msg {
  flex-shrink: 0;
  font-weight: 600;
}

.trip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.875rem;
}

.trip-item-wrap {
  margin: 0;
}

.trip-item-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  box-shadow: var(--shadow);
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    transform 0.15s ease;
}

.trip-item-link:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.trip-item-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.trip-item-link:visited {
  color: var(--text);
}

.trip-item-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trip-item-chevron {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  opacity: 0.45;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.trip-item-link:hover .trip-item-chevron {
  opacity: 0.9;
  transform: translateX(3px);
}

.empty-state {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Trip detail */
.trip-back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.trip-back:hover {
  color: var(--accent);
}

.trip-detail-title {
  margin: 0 0 1.25rem;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Timeline tags (trip) */
.timeline-tags-panel {
  margin-bottom: 1.75rem;
  padding: 1.1rem 1.15rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.timeline-tags-title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.timeline-tags-hint {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.timeline-tags-add {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.timeline-tags-add-input {
  flex: 1;
  min-width: 10rem;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
  color: var(--text);
  font: inherit;
}

.timeline-tags-add-input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.timeline-tags-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline-tags-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.12);
}

.timeline-tags-order {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

.timeline-tags-move {
  margin: 0;
  display: inline;
}

.timeline-tags-rename {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: min(100%, 12rem);
  margin: 0;
}

.timeline-tags-rename-input {
  flex: 1;
  min-width: 8rem;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
  color: var(--text);
  font: inherit;
  font-size: 0.875rem;
}

.timeline-tags-rename-input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn.btn-icon {
  min-width: 2.25rem;
  padding: 0.35rem 0.5rem;
  font-size: 0.95rem;
  line-height: 1.2;
}

.btn.btn-icon:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Trip media gallery */
.media-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr));
  gap: 1rem;
}

.media-grid-item {
  margin: 0;
}

.media-card-stack {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition:
    border-color 0.15s ease,
    transform 0.15s ease;
}

.media-card-stack:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.media-card-stack .media-card {
  border: none;
  box-shadow: none;
  border-radius: 0;
  flex: 1;
  min-height: 0;
}

.media-card-stack .media-card:hover {
  border-color: transparent;
  transform: none;
}

.media-card-tag-form {
  margin: 0;
  padding: 0.5rem 0.65rem 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.14);
}

.media-card-tag-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.media-card-tag-select {
  width: 100%;
  padding: 0.4rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.media-card-tag-select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.media-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition:
    border-color 0.15s ease,
    transform 0.15s ease;
}

.media-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.media-card--interactive {
  cursor: pointer;
}

.media-card--interactive:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.media-card-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.06) 0%,
    rgba(196, 165, 232, 0.08) 50%,
    rgba(255, 255, 255, 0.04) 100%
  );
  overflow: hidden;
}

.media-card-fallback {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  text-align: center;
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.media-card-thumb--placeholder .media-card-fallback {
  opacity: 1;
}

.media-card-fallback-icon {
  width: 2.25rem;
  height: 2.25rem;
  color: var(--text-muted);
  opacity: 0.85;
}

.media-card-fallback-name {
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--text-muted);
  max-width: 100%;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.media-card-img,
.media-card-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
}

.media-card-img {
  object-fit: cover;
}

.media-card-video-wrap {
  display: block;
}

.media-card-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}

.media-card-thumb--placeholder .media-card-img,
.media-card-thumb--placeholder .media-card-video-wrap,
.media-card-thumb--placeholder .media-card-badge,
.media-card-thumb--placeholder .media-card-play {
  display: none !important;
}

.media-card-play {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.92);
  pointer-events: none;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

.media-card-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 3;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.media-card-footer {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.65rem 0.75rem 0.75rem;
  min-height: 0;
}

.media-card-name {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.media-card-time {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Fullscreen trip media viewer */
.trip-media-viewer {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  padding: 0;
  margin: 0;
  border: none;
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(8px);
}

.trip-media-viewer[hidden] {
  display: none !important;
}

.trip-media-viewer-inner {
  position: relative;
  flex: 1;
  min-height: 0;
  min-width: 0;
  pointer-events: none;
}

.trip-media-viewer-stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3.25rem 4.25rem;
  box-sizing: border-box;
  pointer-events: none;
}

@media (max-width: 640px) {
  .trip-media-viewer-stage {
    padding: 3rem 0.5rem;
  }
}

.trip-media-viewer-img,
.trip-media-viewer-video {
  pointer-events: auto;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.65);
}

.trip-media-viewer-video {
  width: 100%;
  max-height: 100%;
  background: #000;
}

.trip-media-viewer-external {
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  max-width: min(38rem, 100%);
  padding: 1rem;
  text-align: center;
}

.trip-media-viewer-external[hidden] {
  display: none !important;
}

.trip-media-viewer-external-poster {
  max-width: 100%;
  max-height: min(60vh, 420px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.65);
}

.trip-media-viewer-external-msg {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.9);
}

.trip-media-viewer-img[hidden],
.trip-media-viewer-video[hidden] {
  display: none !important;
}

.trip-media-viewer-fab {
  pointer-events: auto;
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(30, 28, 38, 0.85);
  color: var(--text);
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

.trip-media-viewer-fab:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  color: var(--accent);
}

.trip-media-viewer-fab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.trip-media-viewer-close {
  top: 0.75rem;
  right: 0.75rem;
}

.trip-media-viewer-prev {
  left: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.trip-media-viewer-next {
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
}

@media (min-width: 768px) {
  .trip-media-viewer-prev {
    left: 1rem;
  }

  .trip-media-viewer-next {
    right: 1rem;
  }

  .trip-media-viewer-fab {
    width: 3rem;
    height: 3rem;
  }
}