/* === LAYOUT STRUCTURES === */

.container {
  max-width: calc(1200px * var(--master-scale));
  margin: 0 auto;
  padding: var(--space-lg);
  margin-top: 0;
  padding-top: 0;
}

/* NEW: Media query for 1920x1080 and similar resolutions */
@media (min-width: 1700px) and (max-width: 2100px) {
  .container {
    max-width: calc(1400px * var(--master-scale));
    padding: calc(25px * var(--master-scale)) calc(30px * var(--master-scale));
  }
  
  header h1 {
    font-size: calc(2.8rem * var(--master-scale));
  }
  
  .upload-container {
    padding: calc(50px * var(--master-scale)) calc(30px * var(--master-scale));
  }
  
  .upload-info h2 {
    font-size: calc(1.8rem * var(--master-scale));
  }
  
  .upload-button,
  .download-button {
    padding: calc(14px * var(--master-scale)) calc(28px * var(--master-scale));
    font-size: calc(1.1rem * var(--master-scale));
  }
  
  .upload-progress, 
  .processing-status, 
  .results {
    padding: calc(25px * var(--master-scale));
  }
  
  .privacy-header h3 {
    font-size: calc(1.3rem * var(--master-scale));
  }
}

header {
  text-align: center;
  margin-bottom: var(--space-xs);
  margin-top: var(--space-xs);
}

header h1 {
  color: var(--primary-color);
  font-size: var(--font-size-4xl);
}

.upload-container {
  background: var(--gradient-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
  padding-bottom: 0;
  transition: all var(--transition-smooth);
  margin-bottom: var(--space-md) !important; /* Force consistent spacing */
  box-shadow: var(--shadow-md);
}

.upload-container.highlight {
  border-color: var(--border-accent);
  background: linear-gradient(135deg,
    rgba(0, 170, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%);
  box-shadow: 0 0 32px rgba(0, 170, 255, 0.2);
}

.upload-info {
  max-width: calc(500px * var(--master-scale));
  margin: 0 auto;
}

.icon {
  margin-bottom: var(--space-lg);
  color: var(--primary-color);
}

.upload-info h2 {
  margin-bottom: var(--space-md);
  color: var(--text-color);
  font-size: var(--font-size-2xl);
}

.upload-info p {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

.or-separator {
  margin: var(--space-md) 0;
  position: relative;
  text-align: center;
  color: var(--text-muted);
}

.or-separator::before, .or-separator::after {
  content: "";
  height: 1px;
  width: 40%;
  background-color: var(--border-color);
  position: absolute;
  top: 50%;
}

.or-separator::before {
  left: 0;
}

.or-separator::after {
  right: 0;
}

/* Glassmorphism Settings Container */
.settings-container {
  background: var(--gradient-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
}

.settings-container:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}


/* Navigation Styles */
.main-nav {
  background-color: var(--card-bg);
  padding: 10px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-xs);

  display: flex;
  align-items: center;
  justify-content: center;   /* baseline: center everything */
  position: relative;
}

/* Changelog button hugs the left corner */
.changelog-nav-container {
  margin-right: auto;
  display: flex;
  align-items: center;
  padding-left: 10px;
}

/* Center group stays exactly centered */
.nav-center {
  position: absolute;        /* pull it out of the flex spacing */
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0;
}

/* Discord button hugs the right corner */
.discord-auth-nav-container {
  margin-left: auto;
  display: flex;
  align-items: center;
  padding-right: 10px;
}



.nav-link, .nav-tab {
  display: inline-block;
  padding: var(--space-xs) var(--space-lg);
  margin: 0 var(--space-xs);
  color: var(--text-color);
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-smooth);
  font-weight: 600;
  font-size: var(--font-size-base);
  background: none;
  border: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.nav-link:hover, .nav-tab:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.nav-link.active, .nav-tab.active {
  background: var(--gradient-accent);
  color: white;
  border-bottom-color: transparent; /* Override any border-bottom for active state */
}

.nav-link.disabled {
  color: var(--text-muted) !important;
  cursor: not-allowed !important;
  opacity: 0.5;
  pointer-events: none;
}


/* === TAB CONTENT STYLES === */
/* Add these new styles to layouts.css */

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* === HISTORY LINK STYLES === */

.history-link {
  background: var(--bg-glass) !important;
  backdrop-filter: blur(calc(8px * var(--master-scale)));
  color: var(--text-primary) !important;
  border: 1px solid var(--border-primary) !important;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.history-link:hover {
  background: var(--bg-glass-hover) !important;
  border-color: var(--border-accent) !important;
  transform: translateY(calc(-1px * var(--master-scale)));
  cursor: pointer;
}

/* Section Separator */
.section-separator {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 2rem 0;
}

.section-heading {
  flex-shrink: 0;
  padding: 0 1rem;
  font-size: 1.1rem;
  color: var(--text-color-light);
  font-weight: 500;
}

.separator-line {
  flex-grow: 1;
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 0;
}

/* Footer Styles */
footer {
  text-align: center;
  margin-top: var(--space-xs);
  padding: var(--space-xs) 0;
  color: var(--text-muted);
}

footer p {
  margin: var(--space-xs) 0;
}

footer .last-update {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-style: italic;
}

footer .contact-handle {
  color: var(--accent-color);
  font-weight: bold;
  text-decoration: none;
  transition: color var(--transition-smooth);
}

footer .contact-handle:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* === RESPONSIVE LAYOUTS === */

@media (max-width: 1366px) {
  .container {
    max-width: calc(95vw * var(--master-scale));
  }
}

@media (max-width: 1024px) {
  .container {
    max-width: calc(98vw * var(--master-scale));
    padding: var(--space-md);
  }
  
  header h1 {
    font-size: calc(2.2rem * var(--master-scale));
  }
  
  .upload-container {
    padding: var(--space-xl) var(--space-md);
  }
}

@media (max-width: 768px) {
  .container {
    padding: var(--space-sm);
  }
  
  header h1 {
    font-size: calc(2rem * var(--master-scale));
  }
  
  .upload-container {
    padding: var(--space-lg) var(--space-sm);
  }
  
  .privacy-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .privacy-header h3 {
    font-size: var(--font-size-base);
    flex-direction: column;
    align-items: flex-start;
    gap: calc(4px * var(--master-scale));
  }
  
  .privacy-summary {
    font-size: calc(0.75rem * var(--master-scale));
    margin-left: 0;
  }
  
  .privacy-notice.expanded .privacy-content {
    padding: var(--space-md);
  }
  
  .privacy-item h4 {
    font-size: var(--font-size-sm);
  }
  
  .privacy-item p {
    font-size: calc(0.9rem * var(--master-scale));
  }
  
  .result-item {
    flex-wrap: wrap;
  }
  
  .input-container {
    flex-direction: column;
    gap: var(--space-xs);
  }
}

@media (max-width: 480px) {
  body {
    font-size: calc(14px * var(--master-scale));
  }
  
  .container {
    padding: var(--space-xs);
  }
  
  header h1 {
    font-size: calc(1.8rem * var(--master-scale));
  }
  
  .upload-container {
    padding: var(--space-md) var(--space-xs);
  }
  
  .nav-link {
    padding: var(--space-xs) var(--space-md);
    margin: 0 calc(2px * var(--master-scale));
    font-size: var(--font-size-sm);
  }
  
  .result-item {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xs);
  }
  
  .copy-button, .copy-both-button {
    width: 100%;
    text-align: center;
  }
  
  .kofi-container {
    margin: var(--space-sm) 0;
  }
}

/* Responsive adjustments for key manager modal */
@media (max-width: 768px) {
  .key-manager-modal {
    padding: var(--space-sm);
  }
  
  .key-manager-overlay {
    max-width: 95vw;
  }
  
  .key-manager-body {
    padding: var(--space-md);
  }
  
  .saved-key-item {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }
  
  .key-info {
    text-align: center;
  }
  
  .key-meta {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .key-actions {
    justify-content: center;
  }
  
  .add-key-form .form-button {
    align-self: stretch;
  }
}

@media (max-width: 480px) {
  .key-manager-modal {
    padding: var(--space-xs);
  }
  
  .key-manager-header {
    padding: var(--space-sm);
  }
  
  .key-manager-body {
    padding: var(--space-sm);
  }
  
  .key-manager-footer {
    padding: var(--space-sm);
  }
}

/* Discord auth responsive adjustments */
@media (max-width: 768px) {
  .main-nav {
    flex-direction: column;
    justify-content: center;
    gap: var(--space-xs);
  }

  .changelog-nav-container {
    margin-right: 0;
    padding-left: 0;
    justify-content: center;
    width: 100%;
  }

  .nav-center {
    position: static;
    transform: none;
    margin-bottom: var(--space-xs);
  }

  .discord-auth-nav-container {
    margin-left: 0;
    justify-content: center;
    width: 100%;
    padding-right: 0;
  }
}


@media (max-width: 480px) {
    .discord-auth-container {
        margin: var(--space-xs) 0;
    }
    
    .discord-login-btn {
        width: 100%;
        justify-content: center;
        padding: calc(10px * var(--master-scale));
    }
    
    .discord-user-info {
        width: 100%;
        flex-direction: column;
        text-align: center;
    }
    
    .discord-avatar {
        width: calc(40px * var(--master-scale));
        height: calc(40px * var(--master-scale));
    }
}