/* ====================================
   Component Styles - vostego.com
   ==================================== */

/* Standard Card Pattern */
.vostego-card {
  background: var(--paper-1);
  border: 1px solid var(--line);
  border-radius: var(--vostego-radius);
  box-shadow: var(--vostego-shadow);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
}

.vostego-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-soft);
}

/* Standard Badge Pattern */
.vostego-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

.vostego-badge--primary { background: var(--brand-soft); color: var(--brand-deep); }
.vostego-badge--success { background: #e6f7ed; color: var(--sage); }
.vostego-badge--warning { background: var(--clay-soft); color: var(--clay); }
.vostego-badge--error { background: var(--clay-soft); color: var(--clay); }

/* Reading Progress Bar */
.reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--space-1);
  background: transparent;
  z-index: 9999;
}

.reading-progress-bar {
  height: 100%;
  background: var(--brand);
  width: 0%;
  transition: width var(--transition-fast);
}

/* Uniform Card Heights */
.dashboard-grid, .news-feed-grid {
  display: grid;
  align-items: stretch;
}

.dashboard-card, .hero-card, .story-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.dashboard-card-content, .hero-card__content, .story-card__content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

/* Dashboard Banner */
.dashboard-banner {
  background: linear-gradient(135deg, var(--paper-0, #f9f8ff) 0%, var(--card, var(--card)) 100%);
  border: 1px solid var(--brand-soft);
  margin: 0 auto var(--space-8);
  padding: var(--space-5) var(--space-10);
  border-radius: var(--r-xl);
  box-shadow: none;
  max-width: 1400px;
  width: 100%;
  box-sizing: border-box;
}

.dashboard-banner-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-6);
}

.dashboard-banner-info {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.dashboard-banner-info .doodle-icon {
  width: var(--space-10);
  height: var(--space-10);
  background-color: var(--brand);
  filter: drop-shadow(0 2px var(--space-1) rgba(99, 102, 241, 0.2));
  flex-shrink: 0;
}

.dashboard-banner-title {
  font-size: var(--text-base);
  font-weight: 700;
  margin: 0;
  color: var(--brand-deep);
  letter-spacing: -0.01em;
}

.dashboard-banner-subtitle {
  font-size: var(--text-sm);
  color: var(--ink-2);
  margin: var(--space-1) 0 0;
  max-width: 500px;
  line-height: 1.4;
}

.dashboard-banner-actions .btn {
  font-weight: 700;
  white-space: nowrap;
  padding: 10px var(--space-5);
}

@media (max-width: 768px) {
  .dashboard-banner {
    padding: var(--space-5) var(--space-5);
  }
  
  .dashboard-banner-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .dashboard-banner-actions {
    width: 100%;
    max-width: 100%;
  }
  
  .dashboard-banner-actions .btn {
    width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 599px) {
  .dashboard-banner {
    padding: var(--space-5) var(--space-4);
  }
}

@media (max-width: 374px) {
  .dashboard-banner {
    padding: var(--space-5) var(--space-3);
  }
}

/* Skeleton Loading Refinement */
.skeleton-loading,
.skeleton-card,
.skeleton-img,
.skeleton-line,
.skeleton-circle,
.skeleton-list-item {
  background: linear-gradient(90deg, var(--paper-2, #f0f0f0) 25%, var(--paper-1, #f8f8f8) 50%, var(--paper-2, #f0f0f0) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s infinite;
  border-radius: var(--r-md);
}

@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  height: 200px;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--card, white);
  border: 1px solid var(--line);
}

.skeleton-img {
  width: 100%;
  height: 120px;
  background: var(--paper-2, #f0f0f0);
}

.skeleton-line {
  height: var(--space-3);
  width: 100%;
}

.skeleton-line.short {
  width: 60%;
}

.skeleton-circle {
  width: var(--space-10);
  height: var(--space-10);
  border-radius: 50%;
  flex-shrink: 0;
}

.skeleton-list-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  background: transparent;
  animation: none;
}

.skeleton-list-item .skeleton-line {
  flex: 1;
}

/* Uses design tokens from main.css */

/* ====================================
   BUTTONS
   ==================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--r-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
  min-height: 44px;
  white-space: normal;
  word-wrap: break-word;
  vertical-align: middle;
}

/* Tablet optimization */
@media (max-width: 768px) {
  .btn {
    min-height: 42px;
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-base);
  }
}

/* Mobile optimization */
@media (max-width: 480px) {
  .btn {
    min-height: var(--space-10);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
  }
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: none;
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background-color: var(--brand);
  color: white;
  transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1), background-color 200ms ease;
}

.btn-primary:hover {
  background-color: var(--brand-deep);
  transform: translateY(-2px) scale(1.02);
}

.btn-primary:active {
  transform: translateY(1px) scale(0.98);
  transition-duration: 100ms;
}

.btn-secondary {
  background-color: var(--sage);
  color: white;
  transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1), background-color 200ms ease;
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  transform: translateY(-2px) scale(1.02);
}

.btn-secondary:active {
  transform: translateY(1px) scale(0.98);
  transition-duration: 100ms;
}

.btn-accent {
  background-color: var(--clay);
  color: white;
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
}

.btn-outline {
  background-color: transparent;
  color: var(--brand);
  border-color: var(--brand);
}

.btn-outline:hover {
  background: linear-gradient(135deg, #f8f7ff 0%, var(--brand-soft) 100%);
  border-color: var(--brand);
  box-shadow: 0 2px var(--space-2) rgba(95, 106, 211, 0.12), 0 var(--space-1) var(--space-3) rgba(95, 106, 211, 0.06);
  color: var(--brand);
  transform: translateY(-2px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--ink-0);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--paper-1);
}

.btn-text {
  background: none;
  border: none;
  padding: 0;
  font-size: var(--text-sm);
  color: var(--brand);
  text-decoration: none;
  cursor: pointer;
  display: inline;
}

.btn-text:hover {
  text-decoration: underline;
  background: none;
  transform: none;
  box-shadow: none;
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  min-height: 44px;
  line-height: 1.3;
}

.btn-xs {
  padding: 1px 6px;
  font-size: 10px;
  min-height: 44px;
  line-height: 1;
  border-width: 1px;
}

/* Micro-interactions & Animations */
@keyframes floating-doodle {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(calc(var(--space-2) * -1)) rotate(2deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes slide-up-fade {
  from {
    opacity: 0;
    transform: translateY(var(--space-5));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-entrance {
  opacity: 0;
  animation: slide-up-fade 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.floating-doodle {
  animation: floating-doodle 4s ease-in-out infinite;
}

.btn, .mood-btn, .bookmark-btn, .user-menu-item {
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:active, .mood-btn:active, .bookmark-btn:active {
  transform: scale(0.96);
}

.btn:hover, .mood-btn:hover {
  transform: translateY(-1.5px);
}

/* Category Card Tactile Polish */
.category-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card:hover {
  transform: translateY(calc(var(--space-1) * -1));
  box-shadow: var(--shadow-lg);
}

.category-card:active {
  transform: translateY(-1px) scale(0.98);
}

.mood-btn.is-active {
  border-color: var(--brand);
  background: var(--brand-soft);
  transform: scale(1.05);
  box-shadow: 0 var(--space-1) var(--space-3) rgba(99, 102, 241, 0.15);
}

/* Dark Mode Refinements for Topic Pills */
[data-theme="dark"] .topic-tag.topic-tag--box {
  filter: grayscale(100%) brightness(0.85);
  opacity: 0.65;
}

[data-theme="dark"] .hero-card:hover .topic-tag.topic-tag--box,
[data-theme="dark"] .story-card:hover .topic-tag.topic-tag--box {
  filter: grayscale(0%) brightness(1);
  opacity: 1;
}

/* Tablet optimization */
@media (max-width: 768px) {
  .btn-sm {
    padding: var(--space-2) var(--space-5);
    min-height: var(--space-10);
    font-size: var(--text-sm);
  }
}

/* Mobile optimization */
@media (max-width: 480px) {
  .btn-sm {
    padding: var(--space-2) var(--space-4);
    min-height: 38px;
    font-size: var(--text-xs);
  }
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  min-height: 48px;
}

/* Tablet optimization */
@media (max-width: 768px) {
  .btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    min-height: 44px;
  }
}

/* Mobile optimization */
@media (max-width: 480px) {
  .btn-lg {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-base);
    min-height: 42px;
    width: 100%;
  }
}

.btn-pill {
  border-radius: var(--radius-full) !important;
}

.btn-full {
  width: 100%;
}

/* ====================================
   CARDS
   ==================================== */

.card {
  background-color: var(--paper-1);
  border-radius: var(--r-2xl);
  border: 1px solid var(--line);
  box-shadow: none;
  padding: var(--space-6);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(calc(var(--space-1) * -1));
}

.card-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--line);
}

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--ink-0);
  margin: 0 0 var(--space-2) 0;
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--ink-2);
  margin: 0;
}

.card-body {
  color: var(--ink-0);
  line-height: 1.6;
}

.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-clickable {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.card-clickable {
  text-decoration: none !important;
}

.card-clickable:hover {
  text-decoration: none !important;
}

.card-clickable:hover .card-title {
  color: var(--brand);
  text-decoration: none;
}

/* Article Card Variant */
.card-article {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card-article .card-body {
  flex: 1;
}

.card-meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--ink-2);
  margin-top: var(--space-3);
}

.resource-callout {
  border-radius: var(--r-xl);
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-md);
}
.resource-callout .callout-eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}
.resource-callout .callout-title {
  margin: 0 0 0.5rem 0;
}
.resource-callout .callout-body {
  margin: 0 0 0.75rem 0;
  color: var(--ink-2);
}
.resource-callout .callout-link {
  font-weight: 600;
  text-decoration: none;
}
.resource-callout.callout-indigo {
  background: linear-gradient(120deg, var(--component-gradient-indigo-dark), var(--component-gradient-indigo-light));
  color: var(--component-gradient-indigo-text);
}
.resource-callout.callout-indigo .callout-link {
  color: var(--brand);
}
.resource-callout.callout-emerald {
  background: linear-gradient(120deg, var(--component-gradient-green-dark), var(--component-gradient-green-light));
  color: var(--component-gradient-green-text);
}
.resource-callout.callout-emerald .callout-link {
  color: var(--component-gradient-green-accent);
}
.resource-callout.callout-amber {
  background: linear-gradient(120deg, var(--component-gradient-orange-dark), var(--component-gradient-orange-light));
  color: var(--component-gradient-orange-text);
}
.resource-callout.callout-amber .callout-link {
  color: var(--component-gradient-orange-accent);
}

.resource-export {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: 1rem;
}

.broken-link {
  color: var(--ink-2);
  border-bottom: 1px dotted var(--line);
  cursor: not-allowed;
}
.resource-export .export-trigger {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}
.resource-export .export-tooltip {
  position: absolute;
  right: 0;
  top: 110%;
  background: var(--component-gradient-dark-bg);
  color: var(--component-gradient-dark-text);
  padding: 1rem;
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  width: 220px;
  display: none;
  opacity: 0;
  transform: translateY(var(--space-1));
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 20;
}
.resource-export .export-tooltip.export-tooltip-active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.resource-export .export-tooltip ul {
  list-style: none;
  padding: 0;
  margin: 0 0 0.5rem 0;
}
.resource-export .export-tooltip li {
  margin-bottom: 0.35rem;
}
.resource-export .export-tooltip a {
  color: var(--component-text-blue);
  text-decoration: none;
}
.resource-export .export-tooltip .export-note {
  font-size: 0.75rem;
  color: var(--component-text-gray);
  margin: 0;
}

.card-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: var(--paper-1);
  color: var(--brand);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  margin-right: var(--space-2);
  margin-bottom: var(--space-2);
}

/* ====================================
   FORMS
   ==================================== */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--ink-0);
}

.form-label-required::after {
  content: " *";
  color: var(--clay);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3);
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--ink-0);
  background-color: var(--card);
  border: 2px solid var(--line);
  border-radius: var(--r-md);
  transition: all var(--transition-base);
}

@media (max-width: 768px) {
  .form-input,
  .form-select {
    min-height: 44px;
    padding: var(--space-4);
  }
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--overlay-blue-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--ink-2);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-error {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--clay);
}

.form-help {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--ink-2);
}

.form-input.is-invalid,
.form-textarea.is-invalid,
.form-select.is-invalid {
  border-color: var(--clay);
}

.form-input.is-valid,
.form-textarea.is-valid,
.form-select.is-valid {
  border-color: var(--sage);
}

.form-checkbox,
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* ====================================
   NAVIGATION
   ==================================== */

.navbar {
  background-color: var(--paper-0);
  box-shadow: none;
  padding: var(--space-6) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none !important;
  color: var(--ink-0);
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1;
  background-image: none !important;
}

.navbar-logo-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.navbar-logo-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.navbar-logo {
  height: var(--space-10);
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--ink-0);
  font-weight: var(--font-medium);
  transition: color var(--transition-base);
  position: relative;
}

.nav-link:hover {
  color: var(--brand);
}

.nav-link.active {
  color: var(--brand);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: calc(var(--space-2) * -1);
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--brand);
}

.navbar-actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.theme-toggle {
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.9rem;
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: var(--overlay-white-strong);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

[data-theme="dark"] .theme-toggle,
.theme-toggle:hover {
  background: var(--brand-soft);
  color: var(--brand-deep);
}

/* Mobile Menu Toggle */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.navbar-toggle-icon {
  display: block;
  width: var(--space-6);
  height: 2px;
  background-color: var(--ink-0);
  position: relative;
  transition: background-color var(--transition-base);
}

.navbar-toggle-icon::before,
.navbar-toggle-icon::after {
  content: '';
  display: block;
  width: var(--space-6);
  height: 2px;
  background-color: var(--ink-0);
  position: absolute;
  transition: transform var(--transition-base);
}

.navbar-toggle-icon::before {
  top: calc(var(--space-2) * -1);
}

.navbar-toggle-icon::after {
  top: var(--space-2);
}

@media (max-width: 768px) {
  .navbar-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--paper-0);
    flex-direction: column;
    padding: var(--space-4);
    box-shadow: var(--shadow-md);
  }

  .nav-links.is-open {
    display: flex;
  }

  .navbar-actions {
    display: none;
  }

  .navbar-actions.is-open {
    display: flex;
    flex-direction: column;
    width: 100%;
  }
}

/* ====================================
   MODAL
   ==================================== */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal.is-open {
  display: flex;
}
.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-dark-medium);
  backdrop-filter: blur(var(--space-2));
  -webkit-backdrop-filter: blur(var(--space-2));
}

.modal-content {
  position: relative;
  background-color: var(--card);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-xl);
  max-width: 700px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalSlideIn var(--transition-slow);
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(calc(var(--space-5) * -1));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--ink-0);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--text-2xl);
  color: var(--ink-2);
  cursor: pointer;
  padding: 0;
  width: var(--space-8);
  height: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  transition: all var(--transition-base);
}

.modal-close:hover {
  background-color: var(--paper-1);
}

@media (max-width: 768px) {
  .modal-close {
    width: 44px;
    height: 44px;
    padding: 6px;
  }
  color: var(--ink-0);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* Modal Tabs */
.modal-tabs {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  border-bottom: 2px solid var(--line);
}

.modal-tab {
  flex: 1;
  padding: var(--space-3);
  background: none;
  border: none;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--ink-2);
  cursor: pointer;
  position: relative;
  transition: color var(--transition-base);
}

.modal-tab:hover {
  color: var(--ink-0);
}

.modal-tab.is-active {
  color: var(--brand);
}

.modal-tab.is-active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--brand);
}

.modal-tab-content {
  display: none;
}

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

/* ====================================
   ALERTS
   ==================================== */

.alert {
  padding: var(--space-4);
  border-radius: var(--r-md);
  margin-bottom: var(--space-4);
  border-left: var(--space-1) solid;
}

.alert-success {
  background-color: var(--component-gradient-green-text);
  border-color: var(--sage);
  color: var(--component-text-green);
}

.alert-error {
  background-color: var(--component-bg-error-light);
  border-color: var(--clay);
  color: var(--component-text-error-dark);
}

.alert-warning {
  background-color: var(--component-gradient-orange-text);
  border-color: var(--clay);
  color: var(--component-text-brown);
}

.alert-info {
  background-color: var(--component-bg-info-light);
  border-color: var(--brand);
  color: var(--component-text-info-dark);
}

/* ====================================
   BADGES
   ==================================== */

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.badge:hover,
.badge:focus-visible {
  outline: none;
  transform: translateY(-1px);
  box-shadow: 0 6px var(--space-5) rgba(15, 23, 42, 0.08);
}

.badge-primary {
  background-color: var(--brand);
  color: white;
}

.badge-secondary {
  background-color: var(--sage);
  color: white;
}

.badge-success {
  background-color: var(--sage);
  color: white;
}

.badge-warning {
  background-color: var(--clay);
  color: white;
}

.badge-danger {
  background-color: var(--clay);
  color: white;
}

/* ====================================
   BREADCRUMBS
   ==================================== */

.breadcrumbs {
  padding-top: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--line);
}

/* Tablet: reduce padding */
@media (max-width: 1199px) {
  .breadcrumbs {
    padding-top: var(--space-5);
    padding-bottom: var(--space-3);
  }
}

/* Mobile: even less padding */
@media (max-width: 767px) {
  .breadcrumbs {
    padding-top: var(--space-4);
    padding-bottom: var(--space-2);
  }
}

@media (max-width: 599px) {
  .breadcrumbs {
    padding-top: var(--space-3);
    padding-bottom: var(--space-2);
  }
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: var(--text-sm);
  align-items: center;
  row-gap: var(--space-3);
}

@media (max-width: 767px) {
  .breadcrumb-list {
    row-gap: var(--space-2);
  }
}

@media (max-width: 599px) {
  .breadcrumb-list {
    gap: var(--space-1);
    row-gap: var(--space-2);
    font-size: var(--text-xs);
  }
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  color: var(--ink-2);
  white-space: nowrap;
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  margin-left: var(--space-2);
  margin-right: var(--space-2);
  color: var(--ink-3);
}

@media (max-width: 599px) {
  .breadcrumb-item:not(:last-child)::after {
    margin-left: var(--space-1);
    margin-right: var(--space-1);
  }
}

.breadcrumb-item a {
  color: var(--ink-2);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  color: var(--brand);
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--ink-0);
  font-weight: var(--font-medium);
}

/* ====================================
   LOADING SPINNER
   ==================================== */

/* Vostego brand spinner — a ring of doors that sweep in a circle.
   Recolor by editing /assets/images/spinner-doors.svg. See BRAND_MARKS.md. */
.spinner {
  display: inline-block;
  width: var(--space-10);
  height: var(--space-10);
  border: 0;
  border-radius: 0;
  background: url("/assets/images/spinner-doors.svg") center / contain no-repeat;
  animation: vs-door-spin 1.25s steps(8) infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes vs-door-spin {
  to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; }
}

/* ── Inline brand spinner (row of pulsing doors) — used in buttons ──────────
   Mirrors src/components/common/BrandSpinner.astro. The button markup is
   injected by ui-resilience.js withButtonLoading() (and the homepage newsletter
   handler), so these rules must live in this site-wide stylesheet. */
.vs-spinner { display: inline-flex; line-height: 0; vertical-align: middle; }
.vs-spinner svg { height: 1em; width: auto; display: block; overflow: visible; }
.vs-door { animation: vs-door-pulse 1.4s ease-in-out infinite; animation-delay: calc(var(--i, 0) * -0.28s); }
.vs-ring { transform-box: fill-box; transform-origin: center; animation: vs-door-spin 1.25s steps(8) infinite; }
.vs-btn-spin { display: inline-flex; align-items: center; justify-content: center; font-size: 1.15em; }
.vs-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; }
@keyframes vs-door-pulse { 0%, 100% { opacity: 0.22; } 45% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .vs-door { animation: none; opacity: 0.85; }
  .vs-ring { animation: none; }
}

.spinner-sm {
  width: var(--space-5);
  height: var(--space-5);
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 6px;
}

/* ====================================
   OAUTH BUTTONS
   ==================================== */

.oauth-providers {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.btn-oauth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border: 2px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--card);
  color: var(--ink-0);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
  min-height: 44px;
  line-height: 1.3;
  flex-wrap: wrap;
}

/* Tablet optimization */
@media (max-width: 768px) {
  .btn-oauth {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    min-height: 44px;
  }
}

/* Mobile optimization - stack icon and text on very small screens */
@media (max-width: 480px) {
  .btn-oauth {
    padding: var(--space-3) var(--space-3);
    font-size: var(--text-sm);
    min-height: 42px;
    gap: var(--space-2);
  }
}

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

.btn-oauth:active {
  transform: translateY(0);
}

.oauth-icon {
  width: var(--space-5);
  height: var(--space-5);
  flex-shrink: 0;
}

/* Provider-specific styles */
.btn-oauth-google {
  border-color: var(--component-border-light);
}

.btn-oauth-google:hover {
  background: var(--component-bg-neutral);
  border-color: var(--social-google);
}

.btn-oauth-github {
  border-color: var(--component-border-light);
  color: var(--social-github);
}

.btn-oauth-github:hover {
  background: var(--social-github);
  color: white;
  border-color: var(--social-github);
}

.btn-oauth-linkedin {
  border-color: var(--component-border-light);
}

.btn-oauth-linkedin:hover {
  background: var(--social-linkedin);
  color: white;
  border-color: var(--social-linkedin);
}

.btn-oauth-apple {
  border-color: var(--component-border-light);
}

.btn-oauth-apple:hover {
  background: var(--social-apple);
  background: var(--social-apple);
  color: white;
  border-color: var(--social-apple);
}

.btn-oauth-facebook {
  border-color: var(--component-border-light);
}

.btn-oauth-facebook:hover {
  background: var(--social-facebook);
  color: white;
  border-color: var(--social-facebook);
}

.btn-oauth-twitter {
  border-color: var(--component-border-light);
}

.btn-oauth-twitter:hover {
  background: var(--social-twitter);
  color: white;
  border-color: var(--social-twitter);
}

.btn-oauth-microsoft {
  border-color: var(--component-border-light);
}

.btn-oauth-microsoft:hover {
  background: var(--social-bluesky);
  color: white;
  border-color: var(--social-bluesky);
}

.oauth-divider {
  position: relative;
  text-align: center;
  margin: var(--space-6) 0;
}

.oauth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--line);
}

.oauth-divider span {
  position: relative;
  display: inline-block;
  padding: 0 var(--space-4);
  background-color: var(--paper-0);
  color: var(--ink-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

/* ====================================
   SPONSORSHIP WIDGETS
   ==================================== */

.sponsorship-container {
  margin: var(--space-6) 0;
}

.sponsorship-card {
  border: 1px solid var(--line);
  background: var(--paper-1);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.sponsorship-card:hover {
  box-shadow: 0 var(--space-1) var(--space-3) rgba(0, 0, 0, 0.08);
}

.sponsorship-card-direct .card-body {
  padding: var(--space-5);
}

.sponsorship-card .badge {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-semibold);
}

.sponsorship-card .card-title {
  margin: var(--space-3) 0;
  font-size: 1.125rem;
  line-height: 1.4;
}

.sponsorship-card .text-secondary {
  color: var(--ink-2);
  font-size: 0.875rem;
  line-height: 1.6;
}

.sponsorship-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
}

.sponsorship-card .btn {
  margin-top: var(--space-4);
  width: 100%;
  justify-content: center;
}

.sponsorship-programmatic {
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper-1);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.sponsorship-sidebar {
  position: sticky;
  top: var(--space-6);
}

@media (max-width: 768px) {
  .sponsorship-sidebar {
    position: static;
    margin-top: var(--space-6);
  }
}

/* ====================================
   GOOGLE ADS - ADSENSE + AD MANAGER
   ==================================== */

/* Google Ad Unit Container */
.google-ad-unit {
  margin: var(--space-6) 0;
  padding: var(--space-4);
  background: var(--paper-1);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-width: 300px;
}

.ad-unit-label {
  font-size: 0.75rem;
  color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
  font-weight: var(--font-semibold);
}

/* AdSense Specific Styles */
.adsense-unit {
  background: var(--paper-1);
  border: 1px solid var(--line);
}

.adsense-slot {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 250px;
  min-width: 280px;
  background: var(--paper-1);
}

.adsbygoogle {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 280px;
}

/* Ad Manager Specific Styles */
.gam-unit {
  background: var(--paper-1);
  border: 1px solid var(--line);
}

.gam-slot {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 250px;
  min-width: 280px;
  background: var(--paper-1);
}

.gam-slot > div {
  max-width: 100%;
  min-width: 280px;
}

/* Responsive Design for Ads */
@media (max-width: 768px) {
  .google-ad-unit {
    margin: var(--space-4) 0;
    padding: var(--space-3);
  }

  .ad-unit-label {
    font-size: 0.7rem;
    margin-bottom: var(--space-1);
  }

  .adsense-slot,
  .gam-slot {
    min-height: 100px;
  }

  .adsbygoogle,
  .gam-slot > div {
    max-width: 100%;
  }
}