/*!
 * Traveller RPG Theme CSS
 * Inspired by the classic Traveller RPG aesthetic
 * Color palette: Industrial blacks, oranges, yellows, and grays
 */

/* Traveller RPG Color Variables */
:root {
  /* Primary Traveller Colors */
  --traveller-black: #1a1a1a;
  --traveller-dark-gray: #2d2d2d;
  --traveller-gray: #4a4a4a;
  --traveller-light-gray: #6a6a6a;
  --traveller-orange: #ff6600;
  --traveller-bright-orange: #ff8533;
  --traveller-yellow: #ffcc00;
  --traveller-bright-yellow: #ffdd33;
  --traveller-white: #f0f0f0;
  --traveller-red: #cc3333;
  
  /* Accent Colors */
  --traveller-blue: #3366cc;
  --traveller-green: #339933;
  
  /* Gradient Colors */
  --traveller-gradient-primary: linear-gradient(135deg, var(--traveller-black) 0%, var(--traveller-dark-gray) 100%);
  --traveller-gradient-accent: linear-gradient(135deg, var(--traveller-orange) 0%, var(--traveller-yellow) 100%);
  --traveller-gradient-subtle: linear-gradient(180deg, var(--traveller-dark-gray) 0%, var(--traveller-black) 100%);
  
  /* Box Shadow Effects */
  --traveller-shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.3);
  --traveller-shadow-sharp: 0 1px 4px rgba(0, 0, 0, 0.5);
  --traveller-shadow-inset: inset 0 1px 3px rgba(0, 0, 0, 0.4);
  --traveller-glow-orange: 0 0 10px rgba(255, 102, 0, 0.3);
  --traveller-glow-yellow: 0 0 8px rgba(255, 204, 0, 0.3);
}

/* Base Typography */
.traveller-theme {
  font-family: 'Courier New', 'Monaco', 'Menlo', monospace;
  background: var(--traveller-black);
  color: var(--traveller-white);
  line-height: 1.4;
}

.traveller-theme h1,
.traveller-theme h2,
.traveller-theme h3,
.traveller-theme h4,
.traveller-theme h5,
.traveller-theme h6 {
  font-family: 'Arial', 'Helvetica', sans-serif;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.traveller-theme h1 {
  font-size: 2.5rem;
  color: var(--traveller-yellow);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
  border-bottom: 3px solid var(--traveller-orange);
  padding-bottom: 0.5rem;
}

.traveller-theme h2 {
  font-size: 1.8rem;
  color: var(--traveller-bright-orange);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.traveller-theme h3 {
  font-size: 1.4rem;
  color: var(--traveller-bright-yellow);
}

/* Body and Background */
.traveller-theme body {
  background: var(--traveller-black);
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(255, 102, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 204, 0, 0.1) 0%, transparent 50%),
    linear-gradient(45deg, transparent 49%, rgba(255, 102, 0, 0.03) 50%, transparent 51%);
  min-height: 100vh;
}

/* Header Styling */
.traveller-theme header {
  background: var(--traveller-gradient-primary) !important;
  border-bottom: 3px solid var(--traveller-orange);
  box-shadow: var(--traveller-shadow-soft);
  position: relative;
}

.traveller-theme header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--traveller-gradient-accent);
}

.traveller-theme header h1 {
  margin: 0;
  color: var(--traveller-yellow);
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.9);
  border: none;
  font-size: 2.2rem;
  position: relative;
}

/* Navigation */
.traveller-theme .nav-link {
  color: var(--traveller-white) !important;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.8rem 1.5rem !important;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.traveller-theme .nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--traveller-gradient-accent);
  transition: left 0.3s ease;
  z-index: -1;
}

.traveller-theme .nav-link:hover::before {
  left: 0;
}

.traveller-theme .nav-link:hover {
  color: var(--traveller-black) !important;
  transform: translateY(-2px);
  box-shadow: var(--traveller-glow-orange);
}

/* Main Content Container */
.traveller-theme .container {
  background: rgba(45, 45, 45, 0.9);
  border-radius: 8px;
  padding: 2rem;
  margin-top: 2rem;
  box-shadow: var(--traveller-shadow-soft);
  border: 1px solid var(--traveller-gray);
}

/* Sections */
.traveller-theme section {
  margin-bottom: 3rem;
  padding: 1.5rem;
  background: var(--traveller-gradient-subtle);
  border-radius: 6px;
  border-left: 4px solid var(--traveller-orange);
  box-shadow: var(--traveller-shadow-sharp);
}

/* List Groups */
.traveller-theme .list-group {
  background: transparent;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--traveller-shadow-inset);
}

.traveller-theme .list-group-item {
  background: var(--traveller-dark-gray) !important;
  border: 1px solid var(--traveller-gray) !important;
  color: var(--traveller-white) !important;
  padding: 1rem 1.5rem;
  position: relative;
  transition: all 0.3s ease;
}

.traveller-theme .list-group-item::before {
  content: '▶';
  color: var(--traveller-orange);
  margin-right: 0.5rem;
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

.traveller-theme .list-group-item:hover {
  background: var(--traveller-gray) !important;
  transform: translateX(5px);
  box-shadow: var(--traveller-glow-orange);
}

.traveller-theme .list-group-item:hover::before {
  color: var(--traveller-yellow);
  transform: translateX(3px);
}

.traveller-theme .list-group-item a {
  color: var(--traveller-white);
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: color 0.3s ease;
}

.traveller-theme .list-group-item:hover a {
  color: var(--traveller-bright-yellow);
}

/* Links */
.traveller-theme a {
  color: var(--traveller-bright-orange);
  text-decoration: none;
  transition: all 0.3s ease;
}

.traveller-theme a:hover {
  color: var(--traveller-yellow);
  text-shadow: var(--traveller-glow-yellow);
}

/* Footer */
.traveller-theme footer {
  background: var(--traveller-gradient-primary) !important;
  border-top: 3px solid var(--traveller-orange);
  margin-top: 3rem;
  position: relative;
}

.traveller-theme footer::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--traveller-gradient-accent);
}

/* Buttons */
.traveller-theme .btn {
  background: var(--traveller-gradient-primary);
  color: var(--traveller-white);
  border: 2px solid var(--traveller-orange);
  border-radius: 4px;
  padding: 0.8rem 1.5rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  box-shadow: var(--traveller-shadow-sharp);
}

.traveller-theme .btn:hover {
  background: var(--traveller-gradient-accent);
  color: var(--traveller-black);
  transform: translateY(-2px);
  box-shadow: var(--traveller-glow-orange);
}

/* Cards */
.traveller-theme .card {
  background: var(--traveller-gradient-subtle);
  border: 1px solid var(--traveller-gray);
  border-radius: 6px;
  color: var(--traveller-white);
  box-shadow: var(--traveller-shadow-soft);
}

.traveller-theme .card-header {
  background: var(--traveller-dark-gray);
  border-bottom: 2px solid var(--traveller-orange);
  color: var(--traveller-bright-orange);
  font-weight: bold;
  text-transform: uppercase;
}

/* Responsive Design */
@media (max-width: 768px) {
  .traveller-theme h1 {
    font-size: 2rem;
  }
  
  .traveller-theme .container {
    margin-top: 1rem;
    padding: 1rem;
  }
  
  .traveller-theme section {
    padding: 1rem;
    margin-bottom: 2rem;
  }
}

/* Special Effects */
@keyframes traveller-pulse {
  0% { box-shadow: 0 0 5px var(--traveller-orange); }
  50% { box-shadow: 0 0 20px var(--traveller-orange), 0 0 30px var(--traveller-yellow); }
  100% { box-shadow: 0 0 5px var(--traveller-orange); }
}

.traveller-theme .traveller-pulse {
  animation: traveller-pulse 2s infinite;
}

/* Terminal-style text for special elements */
.traveller-theme .terminal-text {
  font-family: 'Courier New', monospace;
  background: var(--traveller-black);
  color: var(--traveller-green);
  padding: 1rem;
  border-radius: 4px;
  border: 1px solid var(--traveller-gray);
  font-size: 0.9rem;
  line-height: 1.2;
}

.traveller-theme .terminal-text::before {
  content: '> ';
  color: var(--traveller-orange);
}

/* ===== DECORATIVE ELEMENTS ===== */

/* Hexagonal background pattern */
.traveller-theme body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    radial-gradient(circle at 30% 20%, rgba(255, 102, 0, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(255, 204, 0, 0.02) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ff6600' fill-opacity='0.02'%3E%3Cpath d='M30 30l15-26 15 26-15 26z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  background-size: 120px, 150px, 60px 60px;
  background-position: 0 0, 100% 100%, 0 0;
  pointer-events: none;
  z-index: -1;
}

/* Corner decorative elements for sections */
.traveller-theme section::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 20px;
  height: 20px;
  border-top: 3px solid var(--traveller-orange);
  border-left: 3px solid var(--traveller-orange);
  border-top-left-radius: 6px;
}

.traveller-theme section::after {
  content: '';
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 20px;
  height: 20px;
  border-bottom: 3px solid var(--traveller-yellow);
  border-right: 3px solid var(--traveller-yellow);
  border-bottom-right-radius: 6px;
}

/* Data strips - decorative tech elements */
.traveller-theme main.container::before {
  content: '█ IMPERIAL DATA ACCESS TERMINAL █ CLEARANCE LEVEL: AMBER █ USER: AUTHORIZED █ TIMESTAMP: 1105.365 █';
  position: absolute;
  top: -25px;
  left: 0;
  right: 0;
  height: 20px;
  background: var(--traveller-gradient-primary);
  color: var(--traveller-bright-orange);
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  line-height: 20px;
  text-align: center;
  border-top: 1px solid var(--traveller-orange);
  border-bottom: 1px solid var(--traveller-orange);
  overflow: hidden;
  white-space: nowrap;
  animation: data-scroll 30s linear infinite;
  text-shadow: 0 0 3px var(--traveller-orange);
}

@keyframes data-scroll {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* Header enhancement with tech elements */
.traveller-theme header {
  position: relative;
  overflow: hidden;
}

.traveller-theme header::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 204, 0, 0.1), transparent);
  animation: scanner-sweep 8s infinite;
}

@keyframes scanner-sweep {
  0%, 90% { left: -100%; }
  10%, 80% { left: 100%; }
}

/* Subtle scanline effect */
.traveller-theme body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255, 102, 0, 0.01) 2px,
    rgba(255, 102, 0, 0.01) 4px
  );
  pointer-events: none;
  z-index: 1000;
  animation: scanlines 0.1s linear infinite;
}

@keyframes scanlines {
  0% { transform: translateY(0); }
  100% { transform: translateY(4px); }
}

/* Enhanced list items with tech brackets */
.traveller-theme .list-group-item {
  position: relative;
  border-left: 3px solid transparent !important;
  transition: all 0.3s ease;
}

.traveller-theme .list-group-item:hover {
  border-left: 3px solid var(--traveller-orange) !important;
}

.traveller-theme .list-group-item::after {
  content: '';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid var(--traveller-gray);
  transition: all 0.3s ease;
}

.traveller-theme .list-group-item:hover::after {
  border-left-color: var(--traveller-yellow);
  right: 5px;
}

/* Footer tech enhancement */
.traveller-theme footer {
  position: relative;
}

.traveller-theme footer::after {
  content: '▣ ▣ ▣ TRANSMISSION END ▣ ▣ ▣';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background: var(--traveller-dark-gray);
  color: var(--traveller-bright-orange);
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  padding: 2px 10px;
  border: 1px solid var(--traveller-orange);
  border-bottom: none;
}

/* Enhanced button glow effects */
.traveller-theme .btn {
  position: relative;
  overflow: hidden;
}

.traveller-theme .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.traveller-theme .btn:hover::before {
  left: 100%;
}

/* Section number indicators */
.traveller-theme main.container section h2::before {
  content: '[ ' counter(section-counter) ' ]';
  counter-increment: section-counter;
  color: var(--traveller-yellow);
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  margin-right: 0.5rem;
  text-shadow: 0 0 3px var(--traveller-yellow);
}

.traveller-theme main.container {
  counter-reset: section-counter;
}

/* Corner accent lights */
.traveller-theme main.container {
  position: relative;
}

.traveller-theme main.container {
  box-shadow: 
    var(--traveller-shadow-soft),
    inset 8px 8px 0 -7px var(--traveller-green);
}

@keyframes status-light {
  0%, 90% { opacity: 1; }
  95% { opacity: 0.3; }
  100% { opacity: 1; }
}

/* ===== LOGIN PAGE SPECIFIC DECORATIONS ===== */

/* Authentication data strip for login page */
.traveller-theme .login-container::before {
  content: '█ IMPERIAL AUTHENTICATION REQUIRED █ SECURITY LEVEL: RESTRICTED █ SYSTEM STATUS: ACTIVE █';
  position: absolute;
  top: -30px;
  left: -2rem;
  right: -2rem;
  height: 20px;
  background: var(--traveller-gradient-primary);
  color: var(--traveller-red);
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  line-height: 20px;
  text-align: center;
  border: 1px solid var(--traveller-red);
  overflow: hidden;
  white-space: nowrap;
  animation: auth-data-scroll 25s linear infinite;
  text-shadow: 0 0 3px var(--traveller-red);
}

@keyframes auth-data-scroll {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* Login security lights */
.traveller-theme .login-container::after {
  content: '';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 6px;
  height: 6px;
  background: var(--traveller-red);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--traveller-red);
  animation: security-blink 2s infinite;
}

@keyframes security-blink {
  0%, 70% { opacity: 1; }
  85% { opacity: 0.2; }
  100% { opacity: 1; }
}