/* NEXORA Download Center Component Styles */

/* App Wrapper & Layout */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 20px;
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--ink);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-mute);
  transition: color 0.2s ease;
  padding: 6px 12px;
  border-radius: 8px;
}

.nav-link:hover, .nav-link.active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
}

/* Release Cards */
.release-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.release-card {
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.release-card:hover {
  transform: translateY(-4px);
  border-color: var(--hairline-hover);
  box-shadow: var(--card-hover-shadow);
}

.release-card.android::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #10b981, #059669);
}

.release-card.windows::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #3b82f6, #6366f1);
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.platform-badge.android {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.platform-badge.windows {
  background: rgba(59, 130, 246, 0.12);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.version-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin: 12px 0 4px 0;
}

.release-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--ink-mute);
  margin-bottom: 20px;
}

.notes-box {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 24px;
}

.notes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.notes-list li {
  font-size: 13px;
  color: var(--ink-body);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.4;
}

.notes-list li::before {
  content: '•';
  color: var(--accent-orange);
  font-weight: bold;
}

.checksum-box {
  background: var(--canvas);
  border: 1px dashed var(--hairline);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-mute);
  word-break: break-all;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--modal-overlay);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.25s ease-out;
}

.modal-content {
  background: var(--modal-bg);
  border: 1px solid var(--hairline);
  border-radius: 20px;
  width: 100%;
  max-width: 520px;
  padding: 28px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
  position: relative;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--ink-mute);
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s ease;
}

.close-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--ink);
}

/* Status Badges */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
}

.status-pill.stable {
  background: rgba(16,185,129,0.15);
  color: #10b981;
}

.status-pill.warning {
  background: rgba(245,158,11,0.15);
  color: #f59e0b;
}

.status-pill.danger {
  background: rgba(239,68,68,0.15);
  color: #ef4444;
}

/* Progress Bar */
.progress-bar-track {
  width: 100%;
  height: 8px;
  background: var(--hairline);
  border-radius: 9999px;
  overflow: hidden;
  margin: 16px 0;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-violet));
  width: 0%;
  transition: width 0.3s ease;
  border-radius: 9999px;
}

/* Offline & Alert Banners */
.offline-banner {
  background: #ef4444;
  color: #ffffff;
  padding: 10px 20px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast-item {
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  color: var(--ink);
  padding: 14px 20px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  animation: fadeIn 0.3s ease-out;
  min-width: 280px;
}

.toast-item.success { border-left: 4px solid var(--accent-green); }
.toast-item.error { border-left: 4px solid var(--accent-red); }
.toast-item.info { border-left: 4px solid var(--accent-blue); }

/* Installation Guide Steps */
.guide-step {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent-orange);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.step-text {
  flex: 1;
}

.step-title {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--ink);
}

.step-desc {
  font-size: 13px;
  color: var(--ink-body);
  line-height: 1.5;
}

/* Skeleton Loading */
.skeleton-box {
  background: linear-gradient(90deg, var(--canvas-card) 25%, var(--hairline) 50%, var(--canvas-card) 75%);
  background-size: 200% 100%;
  animation: skeletonLoading 1.5s infinite;
  border-radius: 8px;
}

@keyframes skeletonLoading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}