/* Custom Maritime Styles for Media Pembelajaran Navigasi Astronomi SMK Negeri 1 Mundu */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Cinzel:wght@600;700;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --navy-dark: #070f1e;
  --navy-deep: #0a192f;
  --navy-surface: #0f2744;
  --navy-card: #15325b;
  --cyan-accent: #00d2ff;
  --gold-star: #ffd166;
  --gold-warm: #f4a261;
  --brass-trim: #e09f3e;
  --horizon-line: #00ffff;
  --text-primary: #e6f1ff;
  --text-secondary: #8892b0;
  --text-muted: #64748b;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--navy-dark);
  color: var(--text-primary);
  overflow-x: hidden;
  background-image: 
    radial-gradient(ellipse at 15% 20%, rgba(0, 210, 255, 0.08) 0%, transparent 40%),
    radial-gradient(ellipse at 85% 80%, rgba(244, 162, 97, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(10, 25, 47, 0.7) 0%, rgba(7, 15, 30, 0.95) 100%);
  background-attachment: fixed;
}

.font-nautical {
  font-family: 'Cinzel', serif;
}

.font-mono-code {
  font-family: 'JetBrains Mono', monospace;
}

/* Glassmorphism Cards */
.glass-panel {
  background: rgba(15, 39, 68, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 210, 255, 0.15);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.glass-panel-gold {
  background: rgba(30, 35, 55, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 209, 102, 0.25);
  box-shadow: 0 8px 32px 0 rgba(224, 159, 62, 0.12);
}

.glass-header {
  background: rgba(7, 15, 30, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 210, 255, 0.18);
}

/* Star Twinkle Animation */
@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.1); filter: drop-shadow(0 0 4px #ffd166); }
}

.twinkle-star {
  animation: twinkle 3s ease-in-out infinite;
}

/* Glowing borders and buttons */
.btn-marine {
  background: linear-gradient(135deg, #0077b6 0%, #0096c7 50%, #00b4d8 100%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(0, 180, 216, 0.35);
}

.btn-marine:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 210, 255, 0.55);
}

.btn-gold {
  background: linear-gradient(135deg, #b37d14 0%, #d49a23 50%, #f4a261 100%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(244, 162, 97, 0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 209, 102, 0.55);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #070f1e;
}
::-webkit-scrollbar-thumb {
  background: #1e3a5f;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #00b4d8;
}

/* Tab Active Styles */
.nav-tab.active {
  color: #00d2ff;
  border-bottom: 3px solid #00d2ff;
  background: linear-gradient(180deg, rgba(0, 210, 255, 0.08) 0%, rgba(0, 210, 255, 0) 100%);
  font-weight: 700;
}

/* Range input nautical styling */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: #15325b;
  height: 6px;
  border-radius: 3px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #00d2ff;
  cursor: pointer;
  box-shadow: 0 0 10px #00d2ff;
  transition: transform 0.15s ease;
}
input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Nautical Almanac Table Replica */
.almanac-table th {
  background: #1e3a5f;
  color: #ffd166;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  padding: 6px 10px;
  border: 1px solid #2d5483;
}
.almanac-table td {
  padding: 6px 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  border: 1px solid #1e3a5f;
}
.almanac-table tr:nth-child(even) {
  background: rgba(15, 39, 68, 0.6);
}
.almanac-table tr:hover {
  background: rgba(0, 210, 255, 0.15);
}

/* Certificate Print Styles */
@media print {
  body * {
    visibility: hidden;
  }
  #certificate-print-area, #certificate-print-area * {
    visibility: visible;
  }
  #certificate-print-area {
    position: fixed;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background: white !important;
    color: black !important;
    margin: 0;
    padding: 20px;
    z-index: 99999;
  }
}