/* ================================================
   MyBabes Gallery — Styles
   Premium Sky Theme: #89CFF0 → #B6D7E8 → #EAF6FF
   Cloud: #F5F9FF  Shadow: rgba(0,0,0,0.08)
   ================================================ */

/* ---- reset & base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sky-top: #89CFF0;
  --sky-mid: #B6D7E8;
  --sky-bottom: #EAF6FF;
  --cloud-color: #F5F9FF;
  --cloud-shadow: rgba(0,0,0,0.08);
  --card-bg: rgba(255,255,255,0.82);
  --card-border: rgba(255,255,255,0.45);
  --text-dark: #1e2d3d;
  --text-muted: #5a7189;
  --accent: #5ba3c9;
  --accent-dark: #3d8ab3;
  --accent-light: #a8d4ed;
  --danger: #e05555;
  --success: #4caf68;
  --radius: 16px;
  --shadow: 0 8px 40px rgba(80,120,160,0.10);
  --shadow-lg: 0 16px 64px rgba(80,120,160,0.14);
  --font: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
}

html { height: 100%; -webkit-tap-highlight-color: transparent; }
body {
  font-family: var(--font);
  color: var(--text-dark);
  min-height: 100vh;
  min-height: 100dvh;
  background: linear-gradient(160deg, var(--sky-top), var(--sky-mid) 50%, var(--sky-bottom));
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- screen management ---- */
.screen {
  position: fixed; inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1;
}
.screen.active { display: flex; }

/* ---- CLOUD WIPE ---- */
#screen-clouds {
  z-index: 100;
  background: linear-gradient(180deg, #89CFF0 0%, #B6D7E8 45%, #EAF6FF 100%);
}
#cloud-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  touch-action: none;
  cursor: grab;
}
#cloud-canvas:active { cursor: grabbing; }

/* ---- FACE SCAN SCREEN ---- */
#screen-face {
  background: linear-gradient(160deg, var(--sky-top), var(--sky-mid), var(--sky-bottom));
}
.face-card {
  background: var(--card-bg);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  width: min(400px, 90vw);
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: cardSlideUp .5s cubic-bezier(.22,.68,0,1.2);
}
.face-logo { margin-bottom: 0.5rem; }
.face-logo svg { display: block; margin: 0 auto; }

/* Winking mascot animation */
.wink-mascot { overflow: visible; }
.wink-mascot .eye-left .eye-open,
.wink-mascot .eye-left .eye-pupil,
.wink-mascot .eye-left .eye-shine { animation: winkEyeOpen 3s ease-in-out infinite; }
.wink-mascot .eye-left .eye-wink { animation: winkLine 3s ease-in-out infinite; }

@keyframes winkEyeOpen {
  0%, 38%, 48%, 100% { opacity: 1; }
  40%, 46% { opacity: 0; }
}
@keyframes winkLine {
  0%, 38%, 48%, 100% { opacity: 0; }
  40%, 46% { opacity: 1; }
}

.wink-mascot .hi-bubble {
  animation: bubblePop 3s ease-in-out infinite;
  transform-origin: 48px 22px;
}
@keyframes bubblePop {
  0%, 35%, 55%, 100% { opacity: 0; transform: scale(0.5); }
  40%, 50% { opacity: 1; transform: scale(1); }
}
.face-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: .2rem;
  color: var(--text-dark);
}
.face-subtitle {
  color: var(--text-muted);
  font-size: .85rem;
  margin-bottom: 1rem;
}

.camera-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 12px;
  overflow: hidden;
  background: #0e1a26;
  margin-bottom: 1rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}
#face-video, #face-overlay {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
#face-overlay { pointer-events: none; }
#face-frame {
  position: absolute;
  top: 50%; left: 50%;
  width: 52%; height: 70%;
  transform: translate(-50%, -50%);
  border: 2px dashed rgba(91,163,201,0.45);
  border-radius: 50%;
  pointer-events: none;
  transition: border-color .3s;
}

.liveness-prompt {
  background: rgba(91,163,201,0.12);
  border-left: 3px solid var(--accent);
  padding: .55rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: .9rem;
  color: var(--accent-dark);
  animation: fadeIn .3s ease;
  min-height: 2.2rem;
  display: flex;
  align-items: center;
}
.liveness-prompt span {
  transition: opacity .25s ease;
}

.face-progress {
  height: 3px;
  background: rgba(0,0,0,0.06);
  border-radius: 2px;
  margin-bottom: 1rem;
  overflow: hidden;
}
.face-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  transition: width .4s ease;
}

/* ---- FACE REJECTION ---- */
.face-rejected {
  margin-top: 1rem;
  text-align: center;
}
.rejected-emoji {
  font-size: 2.8rem;
  animation: rejectPulse 1s ease-in-out infinite;
}
.rejected-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--danger);
  margin-top: .4rem;
  letter-spacing: .3px;
}
.rejected-animate {
  animation: rejectShake .5s ease, fadeIn .3s ease;
}
@keyframes rejectShake {
  0%,100% { transform: translateX(0); }
  15% { transform: translateX(-8px); }
  30% { transform: translateX(8px); }
  45% { transform: translateX(-5px); }
  60% { transform: translateX(5px); }
  75% { transform: translateX(-2px); }
}
@keyframes rejectPulse {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.12); }
}

/* ---- SHARED FORM ELEMENTS ---- */
.input-group {
  text-align: left;
  margin-bottom: 1rem;
}
.input-group label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: .3rem;
}
.input-group input[type="text"],
.input-group input[type="password"],
.input-group select {
  width: 100%;
  padding: .65rem .9rem;
  border: 1.5px solid rgba(0,0,0,0.08);
  border-radius: 10px;
  font-size: .92rem;
  background: rgba(255,255,255,0.7);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  color: var(--text-dark);
}
.input-group input:focus,
.input-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91,163,201,0.15);
  background: #fff;
}

.btn-primary {
  width: 100%;
  padding: .7rem 0;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s, box-shadow .2s;
  margin-top: .5rem;
  box-shadow: 0 4px 14px rgba(91,163,201,0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(91,163,201,0.35); }
.btn-primary:active { transform: translateY(0) scale(.98); }
.btn-primary:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-secondary {
  background: rgba(255,255,255,0.5);
  border: 1.5px solid var(--accent-light);
  color: var(--accent-dark);
  padding: .5rem 1.4rem;
  border-radius: 10px;
  font-size: .85rem;
  cursor: pointer;
  transition: background .2s, border-color .2s;
  backdrop-filter: blur(8px);
}
.btn-secondary:hover { background: rgba(255,255,255,0.7); border-color: var(--accent); }

.form-error {
  margin-top: .7rem;
  color: var(--danger);
  font-size: .83rem;
}
.form-success {
  margin-top: .7rem;
  color: var(--success);
  font-size: .83rem;
}

/* ---- GALLERY ---- */
#screen-gallery {
  position: fixed; inset: 0;
  background: linear-gradient(160deg, var(--sky-top), var(--sky-mid) 50%, var(--sky-bottom));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
}
.gallery-header {
  position: sticky; top: 0; z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .7rem 1rem;
  background: rgba(182,215,232,0.75);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border-bottom: 1px solid rgba(255,255,255,0.3);
}
.gallery-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
}
.btn-icon {
  background: none; border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: .35rem;
  border-radius: 50%;
  transition: background .2s, color .2s;
}
.btn-icon:hover { background: rgba(91,163,201,0.12); color: var(--accent-dark); }

.gallery-grid {
  column-count: 3;
  column-gap: 6px;
  padding: 6px;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 6px;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  background: rgba(0,0,0,0.04);
  animation: fadeIn .4s ease;
}
.gallery-item img {
  width: 100%;
  display: block;
  transition: transform .3s ease;
}
.gallery-item:hover img { transform: scale(1.03); }

.gallery-empty {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
  font-size: 1rem;
}
.gallery-loader {
  text-align: center;
  padding: 2rem;
}

/* ---- FULLSCREEN VIEWER ---- */
.viewer {
  position: fixed; inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}
.viewer-backdrop {
  position: absolute; inset: 0;
  background: rgba(10,16,24,0.94);
}
.viewer-container {
  position: relative;
  max-width: 96vw;
  max-height: 92vh;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: pinch-zoom pan-x pan-y;
}
.viewer-img {
  max-width: 96vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
  user-select: none;
  transition: opacity .2s ease;
}
.viewer-btn {
  position: absolute; z-index: 2;
  background: rgba(255,255,255,.1);
  border: none;
  color: #fff;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background .2s;
}
.viewer-btn:hover { background: rgba(255,255,255,.2); }
.viewer-close-btn {
  top: max(12px, env(safe-area-inset-top, 12px)); right: 12px;
  width: 38px; height: 38px;
  border-radius: 50%;
  font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
}
.viewer-nav-btn {
  top: 50%; transform: translateY(-50%);
  width: 40px; height: 64px;
  border-radius: 10px;
  font-size: 1.8rem;
  display: flex; align-items: center; justify-content: center;
}
.viewer-prev-btn { left: 8px; }
.viewer-next-btn { right: 8px; }
.viewer-download-btn {
  bottom: max(16px, env(safe-area-inset-bottom, 16px)); right: 16px;
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

/* ---- BIRTHDAY SCREEN ---- */
.birthday-screen {
  z-index: 150;
  background: #0d0f14;
}
#birthday-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.birthday-overlay {
  position: relative; z-index: 2;
  text-align: center; color: #fff;
  pointer-events: none;
}
.birthday-title {
  font-size: 2rem;
  font-weight: 800;
  text-shadow: 0 2px 20px rgba(0,0,0,.5);
  animation: bdayPulse 3s ease-in-out infinite;
}
.birthday-sub {
  font-size: 1.2rem;
  margin-top: .4rem;
  opacity: .85;
}
.birthday-skip {
  position: absolute;
  bottom: max(24px, env(safe-area-inset-bottom, 24px));
  right: 24px;
  z-index: 3;
  color: rgba(255,255,255,.7);
  border-color: rgba(255,255,255,.3);
}
@keyframes bdayPulse {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

/* ---- ADMIN PAGE ---- */
.admin-body {
  padding: 1rem;
  max-width: 820px;
  margin: 0 auto;
  min-height: 100vh;
}
.admin-header {
  text-align: center;
  margin-bottom: 2rem;
}
.admin-header h1 { font-size: 1.5rem; color: var(--text-dark); }
.admin-header p { color: var(--text-muted); font-size: .88rem; }

.admin-section {
  background: var(--card-bg);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}
.admin-section h2 {
  font-size: 1.05rem;
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  color: var(--text-dark);
}
.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem 1rem;
}
.admin-hint { color: var(--text-muted); font-size: .82rem; margin-bottom: 1rem; line-height: 1.5; }

.user-list { display: flex; flex-direction: column; gap: .5rem; }
.user-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .65rem 1rem;
  border-radius: 10px;
  background: rgba(255,255,255,0.55);
  font-size: .88rem;
  border: 1px solid rgba(0,0,0,0.04);
}
.user-card .name { font-weight: 600; }
.user-card .meta { color: var(--text-muted); font-size: .78rem; }
.user-card .badge {
  font-size: .68rem;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-weight: 600;
}

.upload-progress {
  margin-top: .8rem;
  display: flex; align-items: center; gap: .8rem;
}
.upload-bar {
  flex: 1; height: 5px;
  background: rgba(0,0,0,0.06);
  border-radius: 3px;
  position: relative; overflow: hidden;
}
.upload-bar::after {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: var(--pct, 0%);
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 3px;
  transition: width .3s;
}

.train-log {
  margin-top: .8rem;
  max-height: 200px;
  overflow-y: auto;
  font-family: 'Cascadia Code', 'Fira Code', 'SF Mono', monospace;
  font-size: .76rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---- SPINNER ---- */
.spinner {
  width: 28px; height: 28px;
  border: 2.5px solid rgba(0,0,0,0.07);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- ANIMATIONS ---- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes cardSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- SCROLLBAR (desktop) ---- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(91,163,201,.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(91,163,201,.4); }

/* ---- RESPONSIVE: Mobile-first breakpoints ---- */

/* Small phones (< 360px) */
@media (max-width: 359px) {
  .face-card, .turnstile-card, .password-card { padding: 1.2rem 1rem; width: 95vw; }
  .face-card h2, .turnstile-card h2, .password-card h2 { font-size: 1.1rem; }
  .camera-wrapper { border-radius: 8px; }
  .gallery-grid { column-count: 1; column-gap: 4px; padding: 4px; }
  .gallery-header { padding: .6rem .8rem; }
  .gallery-header h2 { font-size: 1rem; }
  .birthday-title { font-size: 1.5rem; }
  .welcome-title { font-size: 1.5rem; }
  .welcome-sparkle { font-size: 2rem; }
  .admin-grid { grid-template-columns: 1fr; }
  .admin-section { padding: 1rem; }
}

/* Standard phones (360-480px) */
@media (min-width: 360px) and (max-width: 480px) {
  .face-card, .turnstile-card, .password-card { width: 92vw; padding: 1.5rem 1.2rem; }
  .gallery-grid { column-count: 2; column-gap: 4px; padding: 4px; }
  .admin-grid { grid-template-columns: 1fr; }
  .welcome-title { font-size: 1.8rem; }
}

/* Large phones / small tablets (481-768px) */
@media (min-width: 481px) and (max-width: 768px) {
  .gallery-grid { column-count: 2; column-gap: 6px; padding: 6px; }
  .face-card { width: min(420px, 85vw); }
}

/* Tablets (769-1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .gallery-grid { column-count: 3; }
  .face-card { width: 400px; }
}

/* Desktop (1025px+) */
@media (min-width: 1025px) {
  .gallery-grid { column-count: 4; column-gap: 8px; padding: 8px; }
  .face-card { width: 420px; padding: 2.5rem 2rem; }
  .viewer-nav-btn { width: 48px; height: 80px; font-size: 2rem; }
}

/* Large desktop (1440px+) */
@media (min-width: 1440px) {
  .gallery-grid { column-count: 5; }
}

/* Landscape phones */
@media (max-height: 500px) and (orientation: landscape) {
  .face-card { padding: 1rem; flex-direction: row; flex-wrap: wrap; width: 90vw; max-width: 700px; }
  .face-card h2, .face-subtitle { width: 100%; }
  .camera-wrapper { width: 50%; aspect-ratio: 16/9; }
  .birthday-title { font-size: 1.6rem; }
}

/* Safe area insets for notched devices */
@supports (padding: env(safe-area-inset-top)) {
  .gallery-header {
    padding-top: max(.7rem, env(safe-area-inset-top));
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
  }
  #screen-gallery {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* ---- LOADING OVERLAY (model download) ---- */
.model-loading-overlay {
  position: fixed; inset: 0;
  background: rgba(137,207,240,0.92);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 90;
  transition: opacity .5s ease;
}
.model-loading-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}
.model-loading-text {
  color: #fff;
  font-size: .9rem;
  font-weight: 500;
  margin-top: 1.2rem;
  text-shadow: 0 1px 8px rgba(0,0,0,0.1);
}
.model-loading-bar {
  width: min(200px, 50vw);
  height: 3px;
  background: rgba(255,255,255,0.3);
  border-radius: 2px;
  margin-top: .8rem;
  overflow: hidden;
}
.model-loading-bar-inner {
  height: 100%;
  width: 0%;
  background: #fff;
  border-radius: 2px;
  transition: width .3s ease;
}

/* util */
[hidden] { display: none !important; }

/* ---- TURNSTILE VERIFICATION SCREEN ---- */
#screen-turnstile {
  background: linear-gradient(160deg, var(--sky-top), var(--sky-mid), var(--sky-bottom));
  z-index: 50;
}
.turnstile-card {
  background: var(--card-bg);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  width: min(400px, 90vw);
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: cardSlideUp .5s cubic-bezier(.22,.68,0,1.2);
}
.turnstile-logo { margin-bottom: 0.5rem; }
.turnstile-logo svg { display: block; margin: 0 auto; }
.turnstile-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: .2rem;
  color: var(--text-dark);
}
.turnstile-subtitle {
  color: var(--text-muted);
  font-size: .85rem;
  margin-bottom: 1.2rem;
}
.turnstile-widget-container {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
  min-height: 65px;
}
.turnstile-model-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-size: .82rem;
  color: var(--text-muted);
}
.spinner-sm {
  width: 16px; height: 16px;
  border: 2px solid rgba(0,0,0,0.07);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

/* ---- PASSWORD FALLBACK SCREEN ---- */
#screen-password {
  background: linear-gradient(160deg, var(--sky-top), var(--sky-mid), var(--sky-bottom));
}
.password-card {
  background: var(--card-bg);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  width: min(400px, 90vw);
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: cardSlideUp .5s cubic-bezier(.22,.68,0,1.2);
}
.password-logo { margin-bottom: 0.5rem; }
.password-logo svg { display: block; margin: 0 auto; }
.password-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: .2rem;
  color: var(--text-dark);
}
.password-hint {
  color: var(--text-muted);
  font-size: .85rem;
  margin-bottom: 1rem;
}
.password-card .input-group { text-align: left; }

/* ---- WELCOME SCREEN ---- */
#screen-welcome {
  background: linear-gradient(160deg, var(--sky-top), var(--sky-mid) 50%, var(--sky-bottom));
  z-index: 55;
}
.welcome-content {
  text-align: center;
  animation: welcomeFadeIn 1s cubic-bezier(.22,.68,0,1.2);
}
.welcome-sparkle {
  font-size: 3rem;
  animation: welcomeSparkle 2s ease-in-out infinite;
}
.welcome-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-top: 0.5rem;
  text-shadow: 0 2px 12px rgba(137,207,240,0.35);
  background: linear-gradient(135deg, #1e5a8a, #2d7eb5, #3d8ab3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: welcomeGlow 3s ease-in-out infinite;
}
.welcome-name {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 0.8rem;
  font-weight: 500;
}
@keyframes welcomeFadeIn {
  from { opacity: 0; transform: scale(0.8) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes welcomeSparkle {
  0%,100% { transform: scale(1) rotate(0deg); }
  25% { transform: scale(1.2) rotate(5deg); }
  50% { transform: scale(1) rotate(0deg); }
  75% { transform: scale(1.1) rotate(-5deg); }
}
@keyframes welcomeGlow {
  0%,100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}

/* ---- UPLOAD BUTTON ---- */
#btn-upload {
  background: none; border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: .35rem;
  border-radius: 50%;
  transition: background .2s, color .2s;
  margin-right: .3rem;
}
#btn-upload:hover { background: rgba(91,163,201,0.12); color: var(--accent-dark); }