@keyframes pageFadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes softPop {
  from { opacity: 0; transform: scale(0.985); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(120%); }
}

body {
  opacity: 0;
  transition: opacity 180ms ease;
}

body.app-ready {
  opacity: 1;
}

.main-content,
.main-wrapper,
.form-card,
.login-card {
  animation: pageFadeUp 420ms cubic-bezier(.2,.8,.2,1) both;
}

.card,
.metric-card,
.chart-panel,
.table-card,
.table-container,
.filter-card,
.summary-panel,
.upload-box,
.preview-container {
  animation: softPop 360ms cubic-bezier(.2,.8,.2,1) both;
}

a,
button,
.btn,
.btn-filter,
.btn-export,
.nav-item,
.nav-link,
.sidebar-menu a,
.form-control,
.upload-box {
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease,
    opacity 160ms ease;
}

button:hover,
.btn:hover,
.btn-filter:hover,
.btn-export:hover,
.upload-box:hover {
  transform: translateY(-1px);
}

.nav-item:hover,
.nav-link:hover,
.sidebar-menu a:hover {
  transform: translateX(2px);
}

.form-control:focus {
  box-shadow: 0 0 0 3px rgba(255, 184, 0, 0.13);
}

.app-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  background: rgba(8, 8, 8, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

html[data-theme="light"] .app-loader {
  background: rgba(255, 255, 255, 0.72);
}

.app-loader.show {
  opacity: 1;
  pointer-events: all;
}

.loader-box {
  width: min(280px, calc(100vw - 48px));
  border: 1px solid var(--border-color, #303030);
  background: var(--card-bg, #181818);
  color: var(--text-main, #fff);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

.loader-mark {
  width: 38px;
  height: 38px;
  border: 3px solid rgba(255, 184, 0, 0.22);
  border-top-color: var(--accent-yellow, #ffb800);
  border-radius: 999px;
  animation: spin 760ms linear infinite;
  margin: 0 auto 14px;
}

.loader-title {
  text-align: center;
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 8px;
}

.loader-bar {
  position: relative;
  overflow: hidden;
  height: 5px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.22);
}

.loader-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 55%;
  border-radius: inherit;
  background: var(--accent-yellow, #ffb800);
  animation: shimmer 920ms ease-in-out infinite;
}

.is-submitting {
  pointer-events: none;
  opacity: 0.78;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}