/* Clean light-theme stylesheet for Build Your Memory Lane */

:root {
  --bg: #f6f7fb;
  --muted: #6b7280;
  --text: #0b1220;
  --accent: #ff4ffc;
  --accent-2: #f9a4fe;
  --surface: rgba(11, 18, 32, 0.03);
  --warn: #b8860b;
  --warn-bg: #fff7e0;
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  margin: 0;
  font-family:
    Figtree,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.brand__mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 800;
}
.nav-link {
  color: var(--muted);
  text-decoration: none;
  margin-left: 12px;
}
.nav-link:hover {
  color: var(--text);
}

/* Buttons */
.button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}
.button--secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(11, 18, 32, 0.06);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
}
.button:disabled,
.button--secondary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Style the select to match secondary button */
.sort-select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background: transparent;
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(11, 18, 32, 0.06);
  cursor: pointer;
}

.muted {
  color: var(--muted);
  margin-top: 8px;
}
.small {
  font-size: 0.9rem;
}

/* App shell */
.app-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 28px 120px;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid rgba(11, 18, 32, 0.08);
  margin-bottom: 24px;
}
.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  padding: 12px 6px;
  margin-right: 20px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transform: translateY(1px);
}
.tab-btn .tab-icon {
  display: inline-flex;
  color: currentColor;
}
.tab-btn:hover {
  color: var(--text);
}
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}

/* Upload area */
.upload-grid {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.upload-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.upload-column .muted {
  text-align: left;
  width: 100%;
}

.uploaded-heading-row {
  align-items: center;
  justify-content: space-between;
}

.uploaded-heading-actions {
  flex-shrink: 0;
}

.upload-title {
  margin: 0 0 8px;
  font-size: 1.2rem;
  color: var(--text);
  align-self: flex-start;
  text-align: left;
  width: 100%;
}

.upload-area > .muted {
  text-align: center;
  margin-bottom: 0px;
}

.upload-column > .upload-title + .muted {
  margin-top: 0px;
  margin-bottom: 24px;
}

.upload-area {
  position: relative;
  flex: 1;
  width: 100%;
  min-height: 160px;
  border-radius: 14px;
  border: 2px dashed rgba(11, 18, 32, 0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 56px 18px;
  background: var(--surface);
}
.upload-area:hover {
  border-color: rgba(255, 79, 252, 0.14);
}
.upload-area .button {
  margin-top: 16px;
}
.upload-hint {
  color: #9aa1ac;
  font-size: 0.78rem;
  line-height: 1.4;
  margin-top: 4px;
  text-align: center;
  max-width: 420px;
}
.upload-warning {
  margin-top: 12px;
  padding: 8px 14px;
  border-radius: 10px;
  background: var(--warn-bg);
  color: var(--warn);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
}

/* Heading shown above the uploaded photo section */
.uploaded-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  margin-top: 24px;
}
.uploaded-heading {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text);
  text-align: left;
  flex: 1 1 auto;
  min-width: 0;
}
.uploaded-heading-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
}
.uploaded-heading-actions .button {
  white-space: nowrap;
}

/* Sort control shown above the uploaded photo grid */
.overview-header {
  margin-bottom: 16px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.overview-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
  align-self: flex-end;
}

.sort-label {
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.sort-dropdown {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background: #fff;
  color: var(--text);
  padding: 7px 30px 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(11, 18, 32, 0.08);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(11, 18, 32, 0.04);
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 15px) center,
    calc(100% - 10px) center;
  background-size:
    5px 5px,
    5px 5px;
  background-repeat: no-repeat;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(11, 18, 32, 0.08);
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(11, 18, 32, 0.04);
}
.icon-btn:hover {
  color: #e11d48;
  border-color: rgba(225, 29, 72, 0.25);
}

/* Uploaded photo cards: fill left-to-right, wrapping into new rows */
.uploaded-grid {
  width: 100%;
  max-width: 1146px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 20px auto 0;
}
.view-timeline-inline-btn {
  flex: 0 0 auto;
  align-self: center;
  white-space: nowrap;
  padding: 10px 18px;
  cursor: pointer;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}
.view-timeline-inline-btn:hover,
#download-pdf-btn:hover {
  background: rgba(255, 209, 235, 0.32);
  color: var(--text);
}
.view-timeline-inline-btn:active,
#download-pdf-btn:active {
  background: rgba(255, 182, 217, 0.5);
  transform: translateY(1px);
}
.uploaded-card {
  position: relative;
  flex: 0 0 auto;
  width: 150px;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid rgba(11, 18, 32, 0.06);
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 6px 14px rgba(11, 18, 32, 0.04);
}
.card-delete-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: none;
  background: rgba(11, 18, 32, 0.55);
  color: #fff;
  cursor: pointer;
  backdrop-filter: blur(2px);
}
.card-delete-btn:hover {
  background: #e11d48;
}
.uploaded-thumb-wrap {
  width: 100%;
  height: 100px;
  border-radius: 8px;
  overflow: hidden;
  background: #f0f2f7;
}
.uploaded-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.uploaded-name {
  margin-top: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.uploaded-date {
  margin-top: 2px;
  font-size: 0.76rem;
  color: var(--muted);
}

/* Progress overlay inside the upload dropzone */
.progress-overlay {
  position: absolute;
  left: 12px;
  right: 12px;
  top: 12px;
  bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  z-index: 40;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(4px);
}
.progress-body {
  text-align: center;
  width: 100%;
}
.progress-label {
  font-weight: 700;
  color: var(--muted);
}
.progress-container {
  height: 12px;
  background: rgba(11, 18, 32, 0.04);
  border-radius: 999px;
  overflow: hidden;
  margin: 12px auto 6px;
  width: min(80%, 520px);
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 220ms linear;
}
.progress-text {
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
}

.metadata-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 18, 32, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 120;
  padding: 24px;
}
.metadata-modal-overlay.active {
  display: flex;
}
.metadata-modal {
  width: min(760px, 100%);
  max-width: 760px;
  max-height: calc(100vh - 80px);
  background: #fff;
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 24px 60px rgba(11, 18, 32, 0.16);
  overflow: auto;
}
.metadata-modal h3 {
  margin: 0 0 18px;
  font-size: 1.1rem;
  color: var(--text);
}
.metadata-body {
  display: flex;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 16px;
  flex-wrap: nowrap;
}
.metadata-preview {
  flex: 0 0 38%;
  min-width: 220px;
  max-width: 280px;
  min-height: 260px;
  border-radius: 16px;
  overflow: hidden;
  background: #f5f7fb;
  box-shadow: inset 0 0 0 1px rgba(11, 18, 32, 0.04);
}
.metadata-form {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.metadata-preview img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
@media (max-width: 720px) {
  .metadata-body {
    flex-direction: column;
  }
  .metadata-preview {
    max-width: 100%;
  }
}
.metadata-field {
  margin-top: 16px;
}
.metadata-field label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 8px;
}
.metadata-field input,
.metadata-field textarea {
  width: 100%;
  border: 1px solid rgba(11, 18, 32, 0.08);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.95rem;
  color: var(--text);
  background: #f8f8fb;
}
.metadata-field textarea {
  min-height: 100px;
  resize: vertical;
}
.metadata-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}
.metadata-actions .button--secondary {
  color: var(--text);
}

/* Timeline Overview tab: horizontal chronological layout on a dotted grid */
.overview-section {
  padding-top: 4px;
}

/* Wrapper keeps the zoom controls pinned to the canvas corner,
   independent of the canvas's own internal scroll position */
.overview-canvas-wrap {
  position: relative;
}

.overview-canvas {
  --timeline-zoom: 1;
  width: 100%;
  max-width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(11, 18, 32, 0.08);
  background-color: #fbfbfe;
  background-image: radial-gradient(
    rgba(255, 79, 252, 0.28) 1.4px,
    transparent 1.4px
  );
  background-size: 18px 18px;
  overflow-x: auto;
  overflow-y: auto;
  padding: 40px 32px;
  min-height: 400px;
  height: 400px;
  box-shadow: 0 10px 30px rgba(11, 18, 32, 0.04);
  position: relative;
  cursor: grab;
  touch-action: none;
}
.overview-canvas.dragging {
  cursor: grabbing;
}
.timeline-controls {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 5;
}
.timeline-control-btn {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(11, 18, 32, 0.08);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(11, 18, 32, 0.08);
}
.timeline-control-btn:hover {
  border-color: rgba(255, 79, 252, 0.24);
}
.overview-track {
  display: flex;
  align-items: flex-end;
  gap: calc(28px * var(--timeline-zoom));
  min-height: 300px;
  position: relative;
  width: max-content;
  padding-bottom: 8px;
}
.overview-track.empty-state {
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  padding-top: 0;
}
.overview-track.empty-state::before {
  display: none;
}
.overview-track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 74px;
  height: 2px;
  background: linear-gradient(
    90deg,
    rgba(255, 79, 252, 0.05),
    rgba(255, 79, 252, 0.45),
    rgba(255, 79, 252, 0.05)
  );
  z-index: 0;
}
.overview-empty {
  padding: 20px 8px;
  white-space: normal;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--accent);
  font-size: 1.15rem;
  font-weight: 600;
}
.overview-year {
  align-self: stretch;
  display: flex;
  align-items: flex-end;
  padding-bottom: 66px;
  font-weight: 800;
  font-size: 1rem;
  color: var(--accent);
  position: relative;
  z-index: 1;
}

/* Each date becomes one group in the timeline: a pile of photos (if more
   than one shares the date) with a single shared date label underneath. */
.overview-group {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 60px 26px 0;
}

.overview-group-stack {
  display: flex;
  align-items: flex-end;
}

.overview-item {
  flex: 0 0 auto;
  width: 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  cursor: pointer;
  margin-left: var(--group-margin, 0px);
  transform: translate(var(--group-left, 0px), var(--group-top, 0px))
    rotate(var(--group-rotate, 0deg));
  z-index: var(--group-z, 1);
  transition:
    transform 200ms ease,
    z-index 0s;
}
.overview-item:hover {
  transform: translate(0px, -18px) rotate(0deg) scale(1.06);
  z-index: 999;
}
.overview-item:hover .overview-thumb-wrap {
  box-shadow: 0 18px 32px rgba(11, 18, 32, 0.2);
}
.overview-caption {
  position: static;
  background: #ffe8f8;
  color: #0b1220;
  padding: 10px 12px;
  border-radius: 12px;
  margin-bottom: 10px;
  width: 100%;
  text-align: left;
}
.overview-caption strong {
  display: block;
  font-weight: 700;
  margin-bottom: 4px;
}
.overview-dot {
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  border: 2px solid #fff;
  box-shadow: 0 0 0 3px rgba(255, 79, 252, 0.18);
  margin-bottom: 12px;
  order: 2;
}
.overview-thumb-wrap {
  order: 1;
  width: 150px;
  height: auto;
  border-radius: 10px;
  overflow: hidden;
  background: #f0f2f7;
  border: 1px solid rgba(11, 18, 32, 0.06);
  box-shadow: 0 8px 18px rgba(11, 18, 32, 0.08);
  margin-bottom: 12px;
  transition: box-shadow 200ms ease;
}
.overview-thumb {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}
.overview-date-group {
  margin-top: 10px;
  text-align: center;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
}
.overview-date {
  order: 3;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text);
}
.overview-name {
  order: 4;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 2px;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Row below the timeline canvas holding the PDF export action */
.overview-download-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  gap: 12px;
}
.overview-download-row .download-note {
  color: var(--muted);
  font-size: 0.9rem;
}
.overview-download-row .button--secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
@media (max-width: 720px) {
  .overview-download-row {
    flex-direction: column-reverse;
    align-items: stretch;
    gap: 8px;
  }
  .overview-download-row .download-note {
    order: 2;
  }
  .overview-download-row .button--secondary {
    order: 1;
    align-self: flex-end;
  }
}

/* Landing screen */
.landing {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    radial-gradient(rgba(255, 79, 252, 0.18) 1.2px, transparent 1.2px), #fff8fd;
  background-size: 18px 18px;
  z-index: 60;
  overflow: hidden;
}
.landing::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    circle at var(--landing-gradient-x, 50%) var(--landing-gradient-y, 50%),
    rgba(255, 79, 252, 0.22) 0%,
    rgba(255, 79, 252, 0.14) 12%,
    rgba(255, 79, 252, 0.08) 22%,
    transparent 40%
  );
  opacity: 0.8;
  transition: background-position 0.1s ease-out;
}
.landing-glitter {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.glitter-dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.65);
  opacity: 0;
  transform: translate(
      calc(var(--landing-cursor-x, 50%) - 3px),
      calc(var(--landing-cursor-y, 50%) - 3px)
    )
    scale(0.6);
  animation: glitterPulse 1.4s ease-in-out infinite;
}
.glitter-dot:nth-child(1) {
  --offset-x: -18px;
  --offset-y: -26px;
  animation-delay: 0s;
}
.glitter-dot:nth-child(2) {
  --offset-x: 24px;
  --offset-y: -22px;
  animation-delay: 0.18s;
}
.glitter-dot:nth-child(3) {
  --offset-x: -24px;
  --offset-y: 20px;
  animation-delay: 0.34s;
}
.glitter-dot:nth-child(4) {
  --offset-x: 16px;
  --offset-y: 26px;
  animation-delay: 0.5s;
}
.glitter-dot:nth-child(5) {
  --offset-x: -36px;
  --offset-y: 6px;
  animation-delay: 0.72s;
}
.glitter-dot:nth-child(6) {
  --offset-x: 34px;
  --offset-y: 10px;
  animation-delay: 0.9s;
}
.glitter-dot {
  transform: translate(
      calc(var(--landing-cursor-x, 50%) + var(--offset-x, 0px) - 3px),
      calc(var(--landing-cursor-y, 50%) + var(--offset-y, 0px) - 3px)
    )
    scale(0.6);
}
@keyframes glitterPulse {
  0%,
  100% {
    opacity: 0;
    transform: translate(
        calc(var(--landing-cursor-x, 50%) + var(--offset-x, 0px) - 3px),
        calc(var(--landing-cursor-y, 50%) + var(--offset-y, 0px) - 3px)
      )
      scale(0.4);
  }
  50% {
    opacity: 1;
    transform: translate(
        calc(var(--landing-cursor-x, 50%) + var(--offset-x, 0px) - 3px),
        calc(var(--landing-cursor-y, 50%) + var(--offset-y, 0px) - 3px)
      )
      scale(1);
  }
}

.landing h1 {
  margin: 0;
  font-size: 3.5rem;
  padding: 0 0 8px;
  color: var(--text);
}

.bounce-word {
  display: inline-block;
  animation: wordBounce 2.2s ease-in-out infinite;
}

@keyframes wordBounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.landing-card {
  width: min(720px, calc(100% - 48px));
  background: transparent;
  padding: 36px;
  border-radius: 16px;
  box-shadow: none;
  text-align: center;
}
.landing h1 {
  margin: 0;
  font-size: 3.5rem;
  padding: 0 0 8px;
  color: var(--text);
}
.landing p {
  color: var(--muted);
  margin-top: 10px;
  font-size: 1.2rem;
  padding: 0 0 40px;
}
.landing .start {
  margin-top: 20px;
}
.landing .start .button {
  padding: 16px 32px;
  font-size: 1rem;
}

/* Footer */
.footer {
  display: flex;
  font-size: 0.9rem;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  max-width: 1200px;
  margin: 36px auto 0;
  padding: 16px 28px 28px;
  border-top: 1px solid rgba(11, 18, 32, 0.04);
  color: var(--muted);
}

.footer-subtitle {
  display: block;
  font-size: 0.7rem; /* change this value */
  color: var(--muted);
  margin-top: 4px;
}

.footer-credit {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 4px;
  white-space: nowrap;
}

@media (max-width: 800px) {
  .upload-grid {
    flex-direction: column;
  }

  .uploaded-controls {
    justify-content: center;
  }

  .uploaded-grid {
    justify-content: center;
  }
  .uploaded-card {
    width: 120px;
  }
  .uploaded-thumb-wrap {
    height: 84px;
  }
  .landing-card {
    padding: 24px;
    margin: 16px;
  }
  .app-shell {
    padding: 20px 16px 0;
  }
  .overview-canvas {
    position: relative;
    overflow-x: auto;
    overflow-y: auto;
  }
  .overview-download-row {
    justify-content: center;
  }
}