/**
 * ============================================
 * BRAINDUMP V2.00 - UPLOAD PROGRESS CSS
 * ============================================
 *
 * @version     1.0.0
 * @date        2026-01-05
 *
 * DESIGN REFERENCE:
 * - docs/20260105_mvp_version_2.00_BrainDump_UX_Guide.md
 *   Section 2: ONBOARDING FLOW - Screen 2
 *
 * ============================================
 */

/* ============================================
   MODAL CONTAINER
   ============================================ */
.upload-progress-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms ease, visibility 300ms ease;
}

.upload-progress-modal.visible {
  opacity: 1;
  visibility: visible;
}

/* Overlay */
.upload-progress-modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

/* Content Box */
.upload-progress-modal__content {
  position: relative;
  background: var(--v2-surface, #FFFFF5);
  border-radius: var(--v2-radius-lg, 12px);
  padding: 32px 40px;
  max-width: 400px;
  width: 90%;
  box-shadow: var(--v2-shadow-medium, 0 10px 15px rgba(0,0,0,0.04));
  animation: upload-modal-appear 300ms ease;
  text-align: center;
}

@keyframes upload-modal-appear {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* ============================================
   HEADER
   ============================================ */
.upload-progress-modal__header {
  margin-bottom: 24px;
}

.upload-progress-modal__title {
  font-size: 24px;
  font-weight: 600;
  color: var(--v2-text-dark, #134252);
  margin: 0 0 8px 0;
}

.upload-progress-modal__step {
  font-size: 14px;
  color: var(--v2-text-light, #627C7C);
  font-weight: 500;
}

.upload-progress-modal__step span {
  color: var(--v2-primary, #208C8D);
  font-weight: 600;
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.upload-progress-modal__progress-container {
  margin-bottom: 20px;
}

.upload-progress-modal__progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.upload-progress-modal__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--v2-primary, #208C8D), #2aa9aa);
  border-radius: 4px;
  transition: width 300ms ease;
  position: relative;
}

/* Animated shimmer effect */
.upload-progress-modal__progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: progress-shimmer 1.5s infinite;
}

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

/* ============================================
   STATUS TEXT
   ============================================ */
.upload-progress-modal__status {
  font-size: 16px;
  color: var(--v2-text-dark, #134252);
  margin: 0 0 20px 0;
  font-style: italic;
}

/* ============================================
   DETAILS TOGGLE
   ============================================ */
.upload-progress-modal__details-toggle {
  margin-bottom: 12px;
}

.upload-progress-modal__details-toggle button {
  background: none;
  border: none;
  color: var(--v2-text-light, #627C7C);
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 150ms ease, color 150ms ease;
}

.upload-progress-modal__details-toggle button:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--v2-text-dark, #134252);
}

/* ============================================
   DETAILS SECTION
   ============================================ */
.upload-progress-modal__details {
  text-align: left;
  padding: 16px;
  background: rgba(0, 0, 0, 0.03);
  border-radius: var(--v2-radius-md, 8px);
  max-height: 200px;
  overflow: hidden;
  transition: max-height 300ms ease, opacity 300ms ease, padding 300ms ease;
}

.upload-progress-modal__details.collapsed {
  max-height: 0;
  opacity: 0;
  padding: 0 16px;
}

/* Step Items */
.upload-progress-modal__step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.upload-progress-modal__step-item:last-child {
  border-bottom: none;
}

.upload-progress-modal__step-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.08);
  color: var(--v2-text-light, #627C7C);
  transition: all 200ms ease;
}

.upload-progress-modal__step-icon.completed {
  background: rgba(32, 140, 141, 0.15);
  color: var(--v2-primary, #208C8D);
}

.upload-progress-modal__step-icon.current {
  background: rgba(32, 140, 141, 0.1);
  color: var(--v2-primary, #208C8D);
  animation: pulse-icon 1s infinite;
}

.upload-progress-modal__step-icon.failed {
  background: rgba(192, 21, 47, 0.15);
  color: var(--v2-error, #C0152F);
}

@keyframes pulse-icon {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.upload-progress-modal__step-label {
  font-size: 14px;
  color: var(--v2-text-dark, #134252);
}

/* ============================================
   CLOSE BUTTON (for errors)
   ============================================ */
.upload-progress-modal__close-btn {
  margin-top: 20px;
  padding: 12px 24px;
  background: var(--v2-primary, #208C8D);
  color: white;
  border: none;
  border-radius: var(--v2-radius-md, 8px);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 150ms ease, transform 150ms ease;
}

.upload-progress-modal__close-btn:hover {
  background: var(--v2-primary-hover, #1a7374);
  transform: translateY(-1px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 640px) {
  .upload-progress-modal__content {
    padding: 24px;
    margin: 16px;
    max-width: none;
    width: calc(100% - 32px);
  }

  .upload-progress-modal__title {
    font-size: 20px;
  }
}

/* ============================================
   DARK THEME
   ============================================ */
[data-theme="warm-vault"] .upload-progress-modal__content {
  background: var(--surface-primary, #1a1a1a);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="warm-vault"] .upload-progress-modal__title,
[data-theme="warm-vault"] .upload-progress-modal__status,
[data-theme="warm-vault"] .upload-progress-modal__step-label {
  color: rgba(255, 255, 255, 0.95);
}

[data-theme="warm-vault"] .upload-progress-modal__step,
[data-theme="warm-vault"] .upload-progress-modal__details-toggle button {
  color: rgba(255, 255, 255, 0.6);
}

[data-theme="warm-vault"] .upload-progress-modal__details {
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="warm-vault"] .upload-progress-modal__progress-bar {
  background: rgba(255, 255, 255, 0.1);
}