/* ==========================================================================
   Nova Portal - Modern Styling System
   ========================================================================== */

/* 1. Design System Tokens (CSS Variables) */
:root {
  /* Colors */
  --bg-primary: #070a13;
  --bg-secondary: #0b0f19;
  --bg-card: rgba(22, 31, 51, 0.55);
  --bg-card-hover: rgba(30, 41, 67, 0.75);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(0, 242, 254, 0.4);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Accent Colors */
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #7f53ac;
  --accent-purple-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --btn-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  
  /* Status Colors */
  --status-active: #10b981;      /* 公開中: エメラルド */
  --status-active-bg: rgba(16, 185, 129, 0.15);
  --status-pending: #f59e0b;     /* 準備中: アンバー */
  --status-pending-bg: rgba(245, 158, 11, 0.15);
  --status-development: #3b82f6; /* 開発中: ブルー */
  --status-development-bg: rgba(59, 130, 246, 0.15);

  /* Fonts */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px rgba(0, 242, 254, 0.35);

  /* Animation transition speeds */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s ease;
}

/* 2. Base Reset & Layout */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

/* 3. Background Aurora Decorations */
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  z-index: -1;
  opacity: 0.45;
  pointer-events: none;
}

.bg-glow-1 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent-blue) 0%, rgba(0, 0, 0, 0) 70%);
  top: -100px;
  right: -50px;
}

.bg-glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-purple) 0%, rgba(0, 0, 0, 0) 70%);
  bottom: -100px;
  left: -100px;
}

.container {
  width: 100%;
  max-width: 1200px;
  padding: 2.5rem 1.5rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 4. Header Styling */
.header {
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
}

.logo-area {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--accent-cyan);
  stroke-width: 2.5;
  filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.5));
  animation: logoGlow 4s infinite alternate;
}

.logo-title {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 30%, #e2e8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-title span {
  background: var(--accent-purple-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

/* PWA Install Button */
.pwa-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition-normal);
  outline: none;
  backdrop-filter: blur(10px);
}

.pwa-btn:hover {
  background: var(--btn-gradient);
  border-color: transparent;
  color: #070a13;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.pwa-btn.hidden {
  display: none !important;
}

/* 5. Controls (Search & Filter) */
.controls-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
  width: 100%;
}

@media (min-width: 768px) {
  .controls-section {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 450px;
}

.search-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 1.25rem;
  height: 1.25rem;
  pointer-events: none;
  transition: var(--transition-fast);
}

#search-input {
  width: 100%;
  padding: 0.9rem 1rem 0.9rem 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-normal);
  backdrop-filter: blur(10px);
}

#search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
  background: var(--bg-card-hover);
}

#search-input:focus + .search-icon {
  color: var(--accent-cyan);
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: none; /* Firefox */
}

.filter-tabs::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.filter-tab {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-normal);
  outline: none;
}

.filter-tab:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.filter-tab.active {
  background: rgba(0, 242, 254, 0.08);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

/* 6. Grid and Card Layout */
.main-content {
  flex: 1;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
  position: relative;
}

/* Card Styling */
.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.app-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-lg), 0 10px 30px rgba(0, 242, 254, 0.1);
}

/* Glowing Border Effect */
.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--btn-gradient);
  opacity: 0;
  transition: var(--transition-normal);
}

.app-card:hover::before {
  opacity: 1;
}

/* Card Header */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  gap: 1rem;
}

.card-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  color: var(--accent-cyan);
  transition: var(--transition-normal);
}

.app-card:hover .card-icon-wrapper {
  background: rgba(0, 242, 254, 0.05);
  border-color: rgba(0, 242, 254, 0.2);
  color: var(--text-primary);
  transform: scale(1.05);
}

.card-icon-wrapper i {
  width: 1.75rem;
  height: 1.75rem;
}

/* Status Badge */
.status-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.status-badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

/* Status variants */
.status-active {
  background-color: var(--status-active-bg);
  color: var(--status-active);
}
.status-active::before {
  background-color: var(--status-active);
  box-shadow: 0 0 8px var(--status-active);
}

.status-pending {
  background-color: var(--status-pending-bg);
  color: var(--status-pending);
}
.status-pending::before {
  background-color: var(--status-pending);
  box-shadow: 0 0 8px var(--status-pending);
}

.status-development {
  background-color: var(--status-development-bg);
  color: var(--status-development);
}
.status-development::before {
  background-color: var(--status-development);
  box-shadow: 0 0 8px var(--status-development);
}

/* Card Body */
.card-body {
  margin-bottom: 1.5rem;
  flex: 1;
}

.app-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.app-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Card Actions */
.card-actions {
  margin-top: auto;
}

.open-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.8rem 1.2rem;
  border-radius: 10px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  outline: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

/* Open button variants */
.app-card:hover .open-btn:not(:disabled) {
  background: var(--btn-gradient);
  border-color: transparent;
  color: #070a13;
  box-shadow: var(--shadow-sm);
}

.open-btn:disabled,
.open-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.open-btn i {
  width: 1.1rem;
  height: 1.1rem;
  transition: transform var(--transition-fast);
}

.app-card:hover .open-btn:not(:disabled) i {
  transform: translateX(3px);
}

/* 7. Utilities & Special Elements */
/* Loading Spinner */
.loading-spinner {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 0;
  color: var(--text-secondary);
}

.spinner {
  width: 3rem;
  height: 3rem;
  border: 3px solid rgba(255, 255, 255, 0.05);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  animation: spin 1s infinite linear;
}

/* No Results Message */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 5rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  backdrop-filter: blur(12px);
}

.no-results-icon {
  width: 3.5rem;
  height: 3.5rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  stroke-width: 1.5;
}

.no-results h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.no-results p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 8. Footer */
.footer {
  text-align: center;
  padding-top: 5rem;
  padding-bottom: 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  margin-top: auto;
}

/* 9. Animations */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes logoGlow {
  0% {
    filter: drop-shadow(0 0 4px rgba(0, 242, 254, 0.3));
  }
  100% {
    filter: drop-shadow(0 0 12px rgba(0, 242, 254, 0.7));
  }
}

/* Entry Animation */
.app-card {
  animation: cardFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}