/* ==============================
   Register Module - Twisted Metal Theme
   Based on login.styles.css - Industrial Theme
   ============================== */
@import url("https://fonts.googleapis.com/css2?family=Quantico:wght@400;700&family=Electrolize:wght@400;700&family=Bangers&display=swap");

/* ==============================
   Enhanced Logo Styling - Industrial Theme
   ============================== */

/* Logo Container */
.text-center {
  position: relative;
  margin: 1.5rem auto 1rem auto;
  padding: 1.5rem;
  background: linear-gradient(
    135deg,
    var(--industrial-darker) 0%,
    var(--industrial-dark) 50%,
    var(--industrial-darker) 100%
  );
  border: 1px solid rgba(102, 112, 121, 0.15);
  border-radius: 8px;
  box-shadow:
    0 12px 32px var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.text-center::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 50% 30%,
    rgba(74, 144, 226, 0.15) 0%,
    transparent 70%
  );
  pointer-events: none;
  opacity: 0.6;
}

.text-center::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--accent-gold) 30%,
    var(--accent-primary) 50%,
    var(--accent-gold) 70%,
    transparent 100%
  );
  animation: logoGlow 4s ease-in-out infinite;
}

/* Logo Image */
.text-center img {
  max-width: 400px;
  max-height: 200px;
  width: auto;
  height: auto;
  display: block;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  filter:
    drop-shadow(0 8px 16px rgba(0, 0, 0, 0.4))
    drop-shadow(0 0 20px rgba(74, 144, 226, 0.3))
    contrast(1.1)
    brightness(1.05);
  transition: all 0.4s ease;
  border-radius: 4px;
}

.text-center img:hover {
  transform: scale(1.02) translateY(-2px);
  filter:
    drop-shadow(0 12px 24px rgba(0, 0, 0, 0.5))
    drop-shadow(0 0 30px rgba(74, 144, 226, 0.4))
    contrast(1.15)
    brightness(1.1);
}

/* Logo Glow Animation */
@keyframes logoGlow {
  0%, 100% {
    opacity: 0.7;
    transform: scaleX(1);
  }
  50% {
    opacity: 1;
    transform: scaleX(1.05);
  }
}

/* Logo Text/Title Enhancement */
.text-center + .register-form-container {
  margin-top: 1rem;
}

/* Industrial Logo Frame Effect */
.text-center {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 20px 20px;
}

.text-center::before {
  background-image:
    radial-gradient(circle at 20% 80%, rgba(74, 144, 226, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(170, 122, 38, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(74, 106, 90, 0.1) 0%, transparent 50%);
}

/* Responsive Logo */
@media (max-width: 768px) {
  .text-center {
    margin: 2rem auto 1.5rem auto;
    padding: 1.5rem;
  }

  .text-center img {
    max-width: 300px;
    max-height: 150px;
  }
}

@media (max-width: 480px) {
  .text-center {
    margin: 1.5rem auto 1rem auto;
    padding: 1rem;
  }

  .text-center img {
    max-width: 250px;
    max-height: 125px;
  }
}

/* High contrast logo support */
@media (prefers-contrast: more) {
  .text-center img {
    filter:
      drop-shadow(0 4px 8px rgba(255, 255, 255, 0.8))
      contrast(1.5)
      brightness(1.2);
  }

  .text-center::after {
    background: linear-gradient(
      90deg,
      transparent 0%,
      #ffffff 30%,
      #ffffff 50%,
      #ffffff 70%,
      transparent 100%
    );
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .text-center img {
    transition: none;
  }

  .text-center img:hover {
    transform: none;
  }

  .text-center::after {
    animation: none;
  }
}

/* Professional Color Variables - Modern Industrial Theme */
:root {
  /* Base Colors - Sophisticated Dark Theme */
  --industrial-dark: #1a1a1a;
  --industrial-darker: #0f0f0f;
  --industrial-medium: #2c2c2c;
  --industrial-light: #3b4a5c;

  /* Text Colors - Improved Readability */
  --text-primary: #e8f4f8;
  --text-secondary: #b8c5d1;
  --text-muted: #8a9ab0;
  --text-accent: #64b5f6;

  /* Professional Accent Colors */
  --accent-primary: #4a90e2;
  --accent-secondary: #5a5a7a;
  --accent-tertiary: #4a6a5a;
  --accent-warning: #aa7a26;
  --accent-danger: #aa5550;
  --accent-dark: #2a2a2a;
  --accent-dark-2: #1a1a1a;

  /* Legacy aliases for backward compatibility */
  --accent-orange: var(--accent-warning);
  --accent-orange-dark: #d68910;
  --accent-yellow: var(--accent-primary);
  --accent-gold: var(--accent-secondary);
  --accent-green: var(--accent-tertiary);
  --accent-red-dark: var(--accent-danger);

  /* Border & Shadow Variables */
  --border-silver: 1px solid rgba(102, 112, 121, 0.15);
  --border-steel: #5a6c7d;
  --border-dark: #1a1a1a;
  --shadow: rgba(15, 20, 25, 0.8);
  --shadow-glow: rgba(74, 144, 226, 0.15);

  /* Status Colors */
  --success-color: #50c878;
  --warning-color: #ffa726;
  --danger-color: #ef5350;
  --info-color: #64b5f6;
}

/* General Body */
body {
  background-color: var(--industrial-dark);
  color: var(--text-primary);
  font-family: "Quantico", sans-serif;
  line-height: 1.5;
}

/* Navbar */
.navbar {
  background: var(--industrial-medium);
  border-bottom: 1px solid rgba(120, 130, 140, 0.15);
  box-shadow: 0 2px 4px var(--shadow);
}

.navbar-brand {
  font-family: "Bangers", cursive;
  color: var(--text-primary);
  text-shadow: 1px 1px 3px var(--shadow);
  font-size: 1.25em;
  letter-spacing: 1px;
}

.navbar-nav > li > a {
  color: var(--text-primary);
  font-family: "Electrolize", cursive;
  text-shadow: 1px 1px 2px var(--shadow);
  padding: 10px 15px;
  transition: all 0.25s ease;
}

.navbar-nav > li > a:hover,
.navbar-nav > li.active > a {
  background: var(--industrial-dark);
  color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px var(--shadow);
}

/* Form Controls */
.form-control {
  background: linear-gradient(
    135deg,
    var(--industrial-darker) 0%,
    var(--industrial-dark) 50%,
    var(--industrial-darker) 100%
  );
  border: 1px solid rgba(120, 130, 140, 0.15);
  border-radius: 2px;
  color: var(--text-primary);
  font-family: "Quantico", sans-serif;
  padding: 8px 12px;
  box-shadow:
    inset 0 2px 4px var(--shadow),
    0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.25s ease;
}

.form-control:focus {
  background: var(--industrial-dark);
  border-color: var(--accent-gold);
  color: var(--text-primary);
  box-shadow:
    inset 0 2px 4px var(--shadow),
    0 0 0 3px var(--accent-gold);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

/* Buttons */


/* Panels & Lists */
.panel {
  background: linear-gradient(
    135deg,
    var(--industrial-darker) 0%,
    var(--industrial-dark) 50%,
    var(--industrial-darker) 100%
  );
  border: 1px solid rgba(102, 112, 121, 0.15);
  border-radius: 2px;
  padding: 1rem;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 30% 20%,
    rgba(74, 144, 226, 0.1) 0%,
    transparent 70%
  );
  pointer-events: none;
  opacity: 0.3;
}

.panel-heading {
  background: linear-gradient(
    135deg,
    var(--industrial-dark) 0%,
    var(--industrial-darker) 30%,
    var(--industrial-dark) 70%,
    var(--industrial-darker) 100%
  );
  color: var(--text-primary) !important;
  font-family: "Electrolize", cursive;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid rgba(120, 130, 140, 0.15);
  padding: 0.75rem 1rem;
  margin: -1rem -1rem 1rem -1rem;
  border-radius: 0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
  position: relative;
  overflow: hidden;
}

.panel-heading::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--border-steel) 30%,
    transparent 60%,
    var(--border-steel) 90%,
    transparent 100%
  );
  animation: panelScan 5s ease-in-out infinite;
  opacity: 0.15;
}

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

/* Links */
a {
  color: var(--text-primary);
}

a:hover {
  color: var(--accent-primary);
  text-decoration: underline;
}

/* Alert Overrides */
.alert {
  padding: 1rem 1.25rem;
  border: 1px solid rgba(120, 130, 140, 0.15);
  border-radius: 2px;
  font-family: "Electrolize", cursive;
  color: var(--text-primary);
  background: linear-gradient(
    135deg,
    var(--industrial-darker) 0%,
    var(--industrial-dark) 50%,
    var(--industrial-darker) 100%
  );
  box-shadow:
    0 4px 12px rgba(74, 144, 226, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  position: relative;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
  overflow: hidden;
}

.alert::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 50% 60%,
    rgba(74, 144, 226, 0.1) 0%,
    transparent 70%
  );
  pointer-events: none;
  opacity: 0.2;
}

.alert::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--border-steel) 0%,
    var(--accent-gold) 50%,
    var(--border-steel) 100%
  );
  opacity: 0.7;
}

/* Alert Variants */
.alert-info {
  background: var(--industrial-medium);
  border-color: var(--accent-gold);
  color: var(--text-primary);
  text-shadow: 1px 1px 2px var(--shadow);
  box-shadow:
    0 2px 8px var(--shadow),
    0 0 0 1px var(--accent-gold);
}

.alert-success {
  background: var(--industrial-darker);
  border-color: #4caf50;
  color: #81c784;
  text-shadow: 1px 1px 2px var(--shadow);
  box-shadow:
    0 2px 8px var(--shadow),
    0 0 0 1px #4caf50;
}

.alert-warning {
  background: var(--industrial-medium);
  border-color: #ffc107;
  color: var(--text-primary);
  font-weight: bold;
  text-shadow: 1px 1px 2px var(--shadow);
  box-shadow:
    0 2px 8px var(--shadow),
    0 0 0 1px #ffc107;
}

.alert-danger {
  background: var(--industrial-darker);
  border-color: var(--accent-orange);
  color: #ef5350;
  font-weight: bold;
  text-shadow: 1px 1px 2px var(--shadow);
  box-shadow:
    0 2px 8px var(--shadow),
    0 0 0 1px var(--accent-orange);
}

/* Footer Tag */
.footer-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: #f0f0f0;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
  transition:
    transform 0.15s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}
.footer-tag:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
  text-decoration: none;
}
.footer-tag--gold {
  border-color: rgba(255, 215, 0, 0.35);
  color: #ffe9a3;
}
.footer-tag--ocean {
  border-color: rgba(64, 160, 255, 0.35);
  color: #cfe8ff;
}
.tag-emoji {
  font-size: 14px;
  line-height: 1;
}

/* ==============================
   Register Form Specific Styles
   ============================== */

.register-form-container {
  max-width: 450px;
  margin: 2rem auto;
  padding: 2rem;
  background: linear-gradient(
    135deg,
    var(--industrial-darker) 0%,
    var(--industrial-dark) 50%,
    var(--industrial-darker) 100%
  );
  border: 1px solid rgba(102, 112, 121, 0.15);
  border-radius: 4px;
  box-shadow:
    0 8px 24px var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.register-form-container h2 {
  color: var(--text-primary);
  font-family: "Electrolize", cursive;
  text-align: center;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
}

.register-form-container .form-group {
  margin-bottom: 1.5rem;
}

.register-form-container label {
  color: var(--text-secondary);
  font-family: "Quantico", sans-serif;
  font-weight: bold;
  margin-bottom: 0.5rem;
  display: block;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9em;
}

/* Password fields styling */
.register-form-container .password-fields {
  display: flex;
  gap: 1rem;
}

.register-form-container .password-fields .form-group {
  flex: 1;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .register-form-container .password-fields {
    flex-direction: column;
    gap: 1.5rem;
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .register-form-container {
    margin: 1rem;
    padding: 1.5rem;
  }

  .register-form-container h2 {
    font-size: 1.5em;
  }
}

/* Accessibility and Performance */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .alert {
    animation: none !important;
  }

  .btn:hover::before {
    transition: none !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: more) {
  :root {
    --text-primary: #ffffff;
    --text-secondary: #ffffff;
    --border-silver: #ffffff;
    --border-steel: #ffffff;
  }
}

/* ==============================
   Form Validation & Loading States
   ============================== */

/* Form validation styles */
.form-control.is-invalid {
  border-color: var(--accent-danger);
  box-shadow:
    inset 0 2px 4px var(--shadow),
    0 0 0 3px rgba(239, 83, 80, 0.1);
  background: linear-gradient(
    135deg,
    rgba(239, 83, 80, 0.05) 0%,
    var(--industrial-dark) 50%,
    rgba(239, 83, 80, 0.05) 100%
  );
}

.field-error {
  color: var(--accent-danger);
  font-size: 0.875em;
  font-family: "Quantico", sans-serif;
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
  padding: 0.25rem 0.5rem;
  background: rgba(239, 83, 80, 0.1);
  border-left: 3px solid var(--accent-danger);
  border-radius: 2px;
  animation: slideInError 0.3s ease-out;
}

@keyframes slideInError {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Enhanced button states */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow:
    inset 0 -1px 2px var(--shadow) !important;
}

.btn:disabled:hover {
  transform: none !important;
  box-shadow:
    inset 0 -1px 2px var(--shadow) !important;
}