/* =========================================
   J's Plane Story - Main Stylesheet
   ========================================= */

:root {
  --sky-dark: #0a1628;
  --sky-mid: #0d2247;
  --sky-blue: #1a3a6b;
  --accent-blue: #4a90d9;
  --accent-light: #7ab8f5;
  --accent-gold: #f5c518;
  --accent-red: #e74c3c;
  --accent-green: #2ecc71;
  --text-primary: #ffffff;
  --text-secondary: #a8c8e8;
  --text-muted: #6a9bbf;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(74, 144, 217, 0.3);
  --card-hover: rgba(74, 144, 217, 0.15);
  --glass: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.15);
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 4px 24px rgba(0, 30, 80, 0.5);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans KR', sans-serif;
  background: var(--sky-dark);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--sky-dark); }
::-webkit-scrollbar-thumb { background: var(--accent-blue); border-radius: 3px; }

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid var(--card-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  font-size: 2rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-5px) rotate(5deg); }
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--card-hover);
}

.nav-admin {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-light));
  color: white !important;
  padding: 8px 18px;
  border-radius: 20px;
  font-weight: 600;
}

.nav-admin:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(74, 144, 217, 0.5);
}

/* Login / Logout nav buttons */
.nav-login-btn,
.nav-logout-btn {
  background: none;
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Noto Sans KR', sans-serif;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.nav-login-btn:hover {
  border-color: var(--accent-blue);
  color: var(--text-primary);
  background: var(--card-hover);
}
.nav-logout-btn {
  border-color: rgba(231,76,60,0.4);
  color: #ff8a80;
}
.nav-logout-btn:hover {
  background: rgba(231,76,60,0.15);
  color: white;
}

/* ===== LOGIN MODAL ===== */
.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(12px);
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.login-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.login-box {
  background: linear-gradient(145deg, #0d2247 0%, #0f2d5c 50%, #0a1e40 100%);
  border: 1px solid rgba(74, 144, 217, 0.35);
  border-radius: 24px;
  padding: 48px 40px 40px;
  width: 100%;
  max-width: 400px;
  position: relative;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.7),
              0 0 0 1px rgba(74,144,217,0.1),
              inset 0 1px 0 rgba(255,255,255,0.05);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s ease;
}
.login-overlay.active .login-box {
  transform: scale(1) translateY(0);
}

.login-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255,255,255,0.07);
  border: none;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.login-close:hover { background: rgba(231,76,60,0.25); color: white; }

.login-icon {
  font-size: 2.8rem;
  text-align: center;
  margin-bottom: 12px;
  animation: float 3s ease-in-out infinite;
}

.login-title {
  font-family: 'Orbitron', monospace;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 6px;
}

.login-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 28px;
}

.login-field {
  margin-bottom: 16px;
}
.login-field label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
  letter-spacing: 0.5px;
}
.login-field input {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: 'Noto Sans KR', sans-serif;
  outline: none;
  transition: var(--transition);
}
.login-field input:focus {
  border-color: var(--accent-blue);
  background: rgba(74,144,217,0.08);
  box-shadow: 0 0 0 3px rgba(74,144,217,0.12);
}
.login-field input.shake {
  animation: shake 0.4s ease;
  border-color: var(--accent-red);
}

.pw-wrap {
  position: relative;
}
.pw-wrap input {
  padding-right: 46px;
}
.pw-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
  padding: 4px;
}
.pw-toggle:hover { color: var(--accent-light); }

.login-error {
  font-size: 0.8rem;
  color: #ff6b6b;
  min-height: 20px;
  margin-bottom: 8px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-login {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-blue) 0%, #2471b8 100%);
  border: none;
  color: white;
  padding: 13px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: 'Noto Sans KR', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
  letter-spacing: 0.5px;
}
.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(74,144,217,0.45);
}
.btn-login:active {
  transform: translateY(0);
}

/* Logged-in badge next to nav */
.nav-user-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--accent-gold);
  font-weight: 600;
  padding: 6px 12px;
  background: rgba(245,197,24,0.1);
  border: 1px solid rgba(245,197,24,0.25);
  border-radius: 20px;
}

@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%      { transform: translateX(-8px); }
  40%      { transform: translateX(8px); }
  60%      { transform: translateX(-5px); }
  80%      { transform: translateX(5px); }
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #040e24 0%, #0a1e48 40%, #0d2a5c 70%, #0f1e3d 100%);
  padding-top: 80px;
}

/* Stars background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 35%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(2px 2px at 40% 10%, rgba(255,255,255,0.9) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 25%, rgba(255,255,255,0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 75% 8%, rgba(255,255,255,0.8) 0%, transparent 100%),
    radial-gradient(2px 2px at 85% 20%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 92% 45%, rgba(255,255,255,0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 5% 60%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 18% 75%, rgba(255,255,255,0.7) 0%, transparent 100%),
    radial-gradient(2px 2px at 50% 65%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 80%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 88% 70%, rgba(255,255,255,0.8) 0%, transparent 100%);
  animation: twinkle 4s ease-in-out infinite alternate;
}

@keyframes twinkle {
  0% { opacity: 0.7; }
  100% { opacity: 1; }
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Clouds */
.cloud {
  position: absolute;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50px;
}

.cloud::before, .cloud::after {
  content: '';
  position: absolute;
  background: inherit;
  border-radius: 50%;
}

.cloud-1 {
  width: 200px; height: 40px;
  top: 20%; left: -220px;
  animation: cloudMove 20s linear infinite;
}

.cloud-2 {
  width: 150px; height: 30px;
  top: 45%; left: -170px;
  animation: cloudMove 28s linear infinite 5s;
}

.cloud-3 {
  width: 250px; height: 45px;
  top: 70%; left: -270px;
  animation: cloudMove 18s linear infinite 10s;
}

@keyframes cloudMove {
  from { left: -300px; }
  to { left: 110%; }
}

.runway {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 50%;
  background: linear-gradient(to top, rgba(255,255,255,0.03), transparent);
  border-left: 1px dashed rgba(255,255,255,0.1);
  border-right: 1px dashed rgba(255,255,255,0.1);
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--accent-light);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-family: 'Rajdhani', sans-serif;
}

.hero-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
}

.title-j {
  color: var(--accent-gold);
  text-shadow: 0 0 30px rgba(245, 197, 24, 0.5);
}

.title-plane {
  color: var(--text-primary);
  display: block;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.8;
}

.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge-blue { background: rgba(74, 144, 217, 0.2); border: 1px solid rgba(74, 144, 217, 0.4); color: var(--accent-light); }
.badge-red { background: rgba(231, 76, 60, 0.2); border: 1px solid rgba(231, 76, 60, 0.4); color: #ff8a80; }
.badge-green { background: rgba(46, 204, 113, 0.2); border: 1px solid rgba(46, 204, 113, 0.4); color: #69f0ae; }

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent-blue) 0%, #2980b9 100%);
  color: white;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.5px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(74, 144, 217, 0.4);
}

.btn-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(74, 144, 217, 0.6);
}

.hero-plane {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.plane-animation {
  width: 100%;
  max-width: 400px;
  animation: planeFly 4s ease-in-out infinite;
}

@keyframes planeFly {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-15px) rotate(2deg); }
  75% { transform: translateY(10px) rotate(-1deg); }
}

.hero-svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 20px rgba(74, 144, 217, 0.5));
}

.hero-stats-mini {
  display: flex;
  gap: 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  padding: 20px 30px;
  border-radius: var(--radius);
  width: 100%;
  justify-content: center;
}

.stat-mini {
  text-align: center;
}

.stat-num {
  display: block;
  font-family: 'Orbitron', monospace;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent-gold);
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: block;
  margin-top: 4px;
}

.scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-arrow {
  width: 16px;
  height: 16px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ===== FILTER SECTION ===== */
.filter-section {
  padding: 80px 0 20px;
  background: linear-gradient(180deg, var(--sky-dark) 0%, #0a1628 100%);
}

.filter-bar {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  padding: 16px 20px;
  border-radius: var(--radius);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 30px;
  padding: 8px 16px;
  flex: 1;
  min-width: 200px;
}

.search-box i { color: var(--text-muted); }

.search-box input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: 'Noto Sans KR', sans-serif;
  width: 100%;
}

.search-box input::placeholder { color: var(--text-muted); }

.filter-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-tab {
  background: none;
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-family: 'Noto Sans KR', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.filter-tab:hover {
  border-color: var(--accent-blue);
  color: var(--text-primary);
}

.filter-tab.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: white;
}

.sort-box select {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 8px 14px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-family: 'Noto Sans KR', sans-serif;
  outline: none;
  cursor: pointer;
  appearance: none;
  padding-right: 30px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234a90d9' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

/* ===== CARDS GRID ===== */
.cards-section {
  padding: 30px 0 80px;
  background: #0a1628;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  min-height: 300px;
}

/* Loading state */
.loading-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}

.loading-plane {
  font-size: 3rem;
  animation: loadingFly 1s ease-in-out infinite alternate;
  display: block;
  margin-bottom: 16px;
}

@keyframes loadingFly {
  from { transform: translateX(-20px); }
  to { transform: translateX(20px); }
}

/* Aircraft Card */
.aircraft-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  animation: cardFadeIn 0.5s ease forwards;
}

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

.aircraft-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-blue);
  box-shadow: 0 12px 40px rgba(74, 144, 217, 0.3);
  background: var(--card-hover);
}

.card-image-wrap {
  height: 180px;
  background: linear-gradient(135deg, #0d2247 0%, #1a3a6b 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: var(--transition);
}

.aircraft-card:hover .card-image-wrap img {
  opacity: 1;
  transform: scale(1.05);
}

.card-image-placeholder {
  font-size: 4rem;
  opacity: 0.3;
}

.card-category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(5px);
  color: var(--accent-light);
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid var(--card-border);
}

.card-status-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 600;
}

.status-completed { background: rgba(46, 204, 113, 0.2); color: #2ecc71; border: 1px solid rgba(46, 204, 113, 0.3); }
.status-studying  { background: rgba(74, 144, 217, 0.2); color: var(--accent-light); border: 1px solid var(--card-border); }
.status-watchlist { background: rgba(245, 197, 24, 0.15); color: var(--accent-gold); border: 1px solid rgba(245, 197, 24, 0.3); }

.card-body {
  padding: 18px;
}

.card-manufacturer {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
  font-family: 'Rajdhani', sans-serif;
}

.card-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.2;
}

.card-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}

.card-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

.spec-item {
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,0.05);
}

.spec-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 2px;
  letter-spacing: 0.5px;
}

.spec-value {
  font-size: 0.82rem;
  color: var(--accent-light);
  font-weight: 600;
  font-family: 'Rajdhani', sans-serif;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.card-rating {
  display: flex;
  gap: 3px;
}

.star { color: var(--accent-gold); font-size: 0.85rem; }
.star-empty { color: rgba(255,255,255,0.15); font-size: 0.85rem; }

.card-detail-btn {
  font-size: 0.78rem;
  color: var(--accent-blue);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.aircraft-card:hover .card-detail-btn {
  color: var(--accent-light);
  gap: 8px;
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
}

.empty-icon { font-size: 4rem; margin-bottom: 16px; display: block; }
.empty-state h3 { font-size: 1.4rem; margin-bottom: 8px; color: var(--text-secondary); }
.empty-state p { color: var(--text-muted); margin-bottom: 24px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent-blue), #2980b9);
  color: white;
  text-decoration: none;
  padding: 12px 28px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-family: 'Noto Sans KR', sans-serif;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74, 144, 217, 0.4);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.page-btn {
  background: var(--glass);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  transition: var(--transition);
  font-family: 'Rajdhani', sans-serif;
}

.page-btn:hover, .page-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: white;
}

/* ===== STATS SECTION ===== */
.stats-section {
  padding: 80px 0;
  background: linear-gradient(180deg, #0a1628 0%, #040e24 100%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  margin-bottom: 50px;
}

.stat-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-card);
}

.stat-icon { font-size: 2rem; margin-bottom: 12px; display: block; }

.stat-number {
  font-family: 'Orbitron', monospace;
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-gold);
  display: block;
  margin-bottom: 6px;
}

.stat-title {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.category-chart {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 30px;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: linear-gradient(135deg, #0d2247 0%, #1a3a6b 100%);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s ease;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: sticky;
  top: 0;
  float: right;
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  margin: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}

.modal-close:hover {
  background: rgba(231, 76, 60, 0.3);
  color: white;
}

/* Modal Content Styles */
.modal-hero {
  height: 250px;
  background: linear-gradient(135deg, #040e24, #0d2247);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  border-radius: 20px 20px 0 0;
  margin-top: -52px;
}

.modal-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}

.modal-hero-placeholder {
  font-size: 6rem;
  opacity: 0.2;
}

.modal-hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, #0d2247, transparent);
}

.modal-body {
  padding: 24px 30px 30px;
}

.modal-header {
  margin-bottom: 24px;
}

.modal-manufacturer {
  font-size: 0.8rem;
  color: var(--accent-light);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-family: 'Rajdhani', sans-serif;
  margin-bottom: 6px;
}

.modal-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.modal-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.modal-desc {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  font-size: 0.95rem;
}

/* Specs Table */
.specs-table-title {
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  color: var(--accent-light);
  letter-spacing: 2px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.specs-table-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--card-border);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 0.88rem;
}

.specs-table tr {
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.specs-table tr:hover {
  background: rgba(255,255,255,0.03);
}

.specs-table th {
  text-align: left;
  padding: 10px 14px;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.78rem;
  white-space: nowrap;
  width: 35%;
}

.specs-table td {
  padding: 10px 14px;
  color: var(--accent-light);
  font-weight: 600;
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.95rem;
}

.facts-section {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin-bottom: 24px;
}

.facts-content {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.9;
  white-space: pre-line;
}

.my-notes-section {
  background: rgba(245, 197, 24, 0.05);
  border: 1px solid rgba(245, 197, 24, 0.2);
  border-radius: var(--radius-sm);
  padding: 18px;
}

.my-notes-title {
  font-size: 0.8rem;
  color: var(--accent-gold);
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.my-notes-content {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.8;
  white-space: pre-line;
}

/* ===== DRAWING SHOWCASE (modal) ===== */
.drawing-showcase {
  margin-bottom: 24px;
}

.drawing-showcase-img-wrap {
  background: #111d30;
  border: 1px solid rgba(74,144,217,0.25);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  /* pencil-paper texture feel */
  box-shadow: inset 0 0 40px rgba(0,0,0,0.4),
              0 4px 20px rgba(0,0,0,0.4);
}

/* grid lines like graph paper */
.drawing-showcase-img-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74,144,217,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,144,217,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 1;
}

.drawing-showcase-img {
  display: block;
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  position: relative;
  z-index: 2;
  padding: 12px;
  box-sizing: border-box;
}

.drawing-showcase-caption {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
  margin-top: 8px;
  letter-spacing: 0.3px;
}

/* ===== CARD: Drawing badge ===== */
.card-drawing-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(245, 197, 24, 0.18);
  border: 1px solid rgba(245, 197, 24, 0.45);
  color: var(--accent-gold);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 10px;
  backdrop-filter: blur(4px);
  letter-spacing: 0.3px;
}

/* ===== MODAL: Drawing hero variant ===== */
.modal-hero--drawing {
  background: #0e1e38;
  position: relative;
}

.modal-hero-drawing-img {
  width: 100%;
  height: 100%;
  object-fit: contain;   /* show the full drawing, not cropped */
  padding: 16px;
  box-sizing: border-box;
  display: block;
}

.modal-hero-art-badge {
  position: absolute;
  bottom: 14px;
  left: 16px;
  background: rgba(245,197,24,0.18);
  border: 1px solid rgba(245,197,24,0.45);
  color: var(--accent-gold);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 12px;
  backdrop-filter: blur(6px);
  z-index: 5;
}

/* ===== MODAL: Photo showcase (below specs) ===== */
.photo-showcase {
  margin-bottom: 24px;
}

.photo-showcase-img-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}

.photo-showcase-img {
  display: block;
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.photo-showcase-img:hover {
  transform: scale(1.02);
}

.modal-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.modal-rating .stars {
  display: flex;
  gap: 4px;
  font-size: 1.1rem;
}

/* ===== FOOTER ===== */
.footer {
  background: #020b1a;
  border-top: 1px solid var(--card-border);
  padding: 60px 20px 30px;
  text-align: center;
}

.footer-plane {
  font-size: 2.5rem;
  animation: float 3s ease-in-out infinite;
  display: inline-block;
  margin-bottom: 20px;
}

.footer-content h3 {
  font-family: 'Orbitron', monospace;
  font-size: 1.3rem;
  color: var(--accent-light);
  margin-bottom: 8px;
}

.footer-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.footer-domain {
  color: var(--accent-blue) !important;
  font-family: 'Rajdhani', sans-serif;
  letter-spacing: 1px;
  margin-top: 8px !important;
}

.footer-quote {
  margin: 20px 0;
  color: var(--text-secondary) !important;
  font-size: 0.9rem;
}

.footer-copy {
  margin-top: 30px;
  color: var(--text-muted);
  font-size: 0.8rem;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    gap: 6px;
    border-bottom: 1px solid var(--card-border);
  }
  
  .nav-links.open { display: flex; }
  
  .nav-toggle { display: flex; }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
    padding-top: 20px;
  }
  
  .hero-badges { justify-content: center; }
  
  .hero-plane { order: -1; }
  
  .hero-stats-mini { gap: 16px; }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .filter-bar { flex-direction: column; align-items: stretch; }
  
  .filter-tabs { justify-content: center; }
  
  .modal-body { padding: 20px; }
  
  .modal-title { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 2.2rem; }
  .stat-num { font-size: 1.4rem; }
}

/* ===== ANIMATIONS ===== */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--card-bg) 25%, rgba(255,255,255,0.08) 50%, var(--card-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}