/* ===== Portal Main Styles ===== */

:root {
  /* Color Palette */
  --primary-color: #667eea;
  --primary-hover: #764ba2;
  --secondary-color: #f093fb;
  --accent-color: #4facfe;
  --success-color: #2ecc71;
  --warning-color: #f39c12;
  --error-color: #e74c3c;
  --info-color: #3498db;

  /* Neutral Colors */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;

  /* Dark Theme */
  --dark-bg-primary: #0f172a;
  --dark-bg-secondary: #1e293b;
  --dark-bg-tertiary: #334155;
  --dark-text-primary: #f8fafc;
  --dark-text-secondary: #cbd5e1;
  --dark-border-color: #475569;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Typography */
  --font-family: "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.25s ease-out;
  --transition-slow: 0.35s ease-out;
}

/* ===== Base Styles ===== */

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-tertiary) 100%
  );
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* ===== Loading Screen ===== */

.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-content {
  text-align: center;
  color: white;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-lg);
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loading-content h2 {
  font-size: var(--font-size-2xl);
  margin: 0 0 var(--spacing-sm);
  font-weight: 600;
}

.loading-content p {
  font-size: var(--font-size-lg);
  margin: 0;
  opacity: 0.9;
}

/* ===== Main Container ===== */

.main-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: opacity var(--transition-slow);
}

.main-container.hidden {
  opacity: 0;
  visibility: hidden;
}

/* ===== Header ===== */

.portal-header {
  background: var(--bg-secondary);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.logo-section {
  flex: 1;
}

.portal-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin: 0 0 var(--spacing-xs);
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  font-size: var(--font-size-2xl);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-5px);
  }
  60% {
    transform: translateY(-3px);
  }
}

.portal-subtitle {
  color: var(--text-secondary);
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 400;
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.action-btn {
  background: var(--bg-tertiary);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  text-decoration: none;
}

.action-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-icon {
  font-size: var(--font-size-base);
}

/* ===== Filter Panel ===== */

.filter-panel {
  background: var(--bg-secondary);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding: var(--spacing-lg) 0;
  transition: all var(--transition-normal);
  overflow: hidden;
  max-height: 500px;
}

.filter-panel.hidden {
  max-height: 0;
  padding: 0;
  opacity: 0;
}

.filter-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.filter-content h3 {
  margin: 0 0 var(--spacing-lg);
  font-size: var(--font-size-xl);
  color: var(--text-primary);
}

.filter-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.filter-group label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.filter-btn {
  background: var(--bg-tertiary);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.range-input {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.range-input input[type="range"] {
  flex: 1;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  outline: none;
  -webkit-appearance: none;
}

.range-input input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
}

.range-input span {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  min-width: 80px;
  text-align: right;
}

.filter-group select {
  background: var(--bg-tertiary);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  cursor: pointer;
}

.filter-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

.primary-btn,
.secondary-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.primary-btn {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.secondary-btn {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.secondary-btn:hover {
  background: var(--bg-primary);
}

/* ===== Main Content ===== */

.portal-main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  width: 100%;
}

/* ===== Stats Section ===== */

.stats-section {
  margin-bottom: var(--spacing-2xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.stat-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: all var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  font-size: var(--font-size-3xl);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: var(--spacing-xs);
}

/* ===== Games Section ===== */

.games-section {
  margin-bottom: var(--spacing-2xl);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.section-header h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.view-options {
  display: flex;
  gap: var(--spacing-xs);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--spacing-xs);
}

.view-btn {
  background: transparent;
  border: none;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.view-btn:hover,
.view-btn.active {
  background: var(--primary-color);
  color: white;
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.games-grid.list-view {
  grid-template-columns: 1fr;
}

/* ===== No Games Message ===== */

.no-games {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.no-games.hidden {
  display: none;
}

.no-games-icon {
  font-size: 4rem;
  opacity: 0.5;
  display: block;
  margin-bottom: var(--spacing-lg);
}

.no-games h3 {
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm);
}

.no-games p {
  color: var(--text-secondary);
  margin: 0 0 var(--spacing-lg);
}

/* ===== Footer ===== */

.portal-footer {
  background: var(--dark-bg-secondary);
  color: var(--dark-text-secondary);
  margin-top: auto;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--dark-text-primary);
  font-size: var(--font-size-lg);
  margin: 0 0 var(--spacing-md);
  font-weight: 600;
}

.footer-section p {
  margin: 0;
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--dark-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* ===== Responsive Design ===== */

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .portal-title {
    font-size: var(--font-size-2xl);
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .games-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .section-header {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .filter-options {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .portal-main {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .header-content {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .portal-title {
    font-size: var(--font-size-xl);
  }

  .stat-card {
    padding: var(--spacing-md);
  }

  .stat-icon {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-2xl);
  }

  .filter-actions {
    flex-direction: column;
  }

  /* Modal responsive styles */
  .modal-content {
    width: 95%;
    max-height: 95vh;
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  .modal-footer {
    flex-direction: column;
  }

  .setting-item {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
  }
}

/* ===== Modal Styles ===== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal);
}

.modal.show .modal-content {
  transform: translate(-50%, -50%);
}

.modal-header {
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  border-radius: 50%;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.modal-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal-body {
  flex: 1;
  padding: var(--spacing-lg) var(--spacing-xl);
  overflow-y: auto;
}

.modal-footer {
  padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* ===== Settings Modal Specific Styles ===== */

.settings-section {
  margin-bottom: var(--spacing-xl);
}

.settings-section:last-child {
  margin-bottom: 0;
}

.settings-section h3 {
  margin: 0 0 var(--spacing-lg);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: var(--spacing-sm);
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.setting-item:last-child {
  border-bottom: none;
}

.setting-item span {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: 500;
}

.setting-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--primary-color);
}

/* ===== Dark Theme Styles ===== */

.dark-theme {
  --bg-primary: var(--dark-bg-primary);
  --bg-secondary: var(--dark-bg-secondary);
  --bg-tertiary: var(--dark-bg-tertiary);
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  --border-color: var(--dark-border-color);
}

.dark-theme .modal-backdrop {
  background: rgba(0, 0, 0, 0.8);
}

.dark-theme .modal-header,
.dark-theme .modal-footer {
  border-color: rgba(255, 255, 255, 0.1);
}

.dark-theme .setting-item {
  border-color: rgba(255, 255, 255, 0.05);
}

/* ===== Modal Accessibility & Animation ===== */

.modal-close:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.primary-btn:focus-visible,
.secondary-btn:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Modal animations */
@keyframes modalFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modalSlideIn {
  from {
    transform: translate(-50%, -60%) scale(0.9);
    opacity: 0;
  }
  to {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

.modal.show {
  animation: modalFadeIn 0.3s ease;
}

.modal.show .modal-content {
  animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .modal,
  .modal-content {
    animation: none;
    transition: none;
  }

  .modal.show .modal-content {
    transform: translate(-50%, -50%);
  }
}

/* ===== Utility Classes ===== */

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== Settings Modal ===== */
.settings-modal {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  z-index: 9999 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  margin: 0 !important;
  padding: 0 !important;
}

.settings-modal.show {
  opacity: 1;
  visibility: visible;
}

.settings-modal .modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.settings-modal .modal-content {
  position: relative !important;
  background: var(--bg-secondary);
  border-radius: 12px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  margin: 0 auto !important;
  transform: translateY(20px);
  transition: transform 0.3s ease;
  left: auto !important;
  right: auto !important;
}

.settings-modal.show .modal-content {
  transform: translateY(0);
}

.settings-modal .modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.settings-modal .modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.settings-modal .modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.settings-modal .modal-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.settings-modal .modal-body {
  padding: var(--spacing-lg);
}

.settings-modal .settings-section {
  margin-bottom: var(--spacing-lg);
}

.settings-modal .settings-section:last-child {
  margin-bottom: 0;
}

.settings-modal .settings-section h3 {
  margin: 0 0 var(--spacing-md) 0;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.settings-modal .setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  cursor: pointer;
}

.settings-modal .setting-item span {
  color: var(--text-primary);
}

.settings-modal .setting-item input[type="checkbox"] {
  cursor: pointer;
}

.settings-modal .modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

.settings-modal .modal-footer button {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.settings-modal .modal-footer .modal-cancel {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.settings-modal .modal-footer .modal-save {
  background: var(--primary-color);
  color: white;
  border: none;
}

.settings-modal .modal-footer button:hover {
  transform: translateY(-1px);
}

/* ===== Footer & Credits ===== */
.portal-footer {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg) var(--spacing-md);
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  /* 商用化まで非表示 */
  display: none;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.credits-section {
  margin-bottom: var(--spacing-md);
}

.credits-section h3 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.credit-item {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
}

.credit-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.credit-value {
  color: var(--text-primary);
}

.credit-value a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.credit-value a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.85rem;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

/* Responsive Credits */
@media (max-width: 768px) {
  .credit-item {
    flex-direction: column;
    gap: 2px;
    text-align: center;
  }

  .credit-label {
    font-size: 0.85rem;
  }

  .credit-value {
    font-size: 0.8rem;
  }
}