@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-tertiary: #1a1a1a;
  --bg-card: #1e1e1e;
  --bg-elevated: #252525;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent-primary: #3b82f6;
  --accent-secondary: #6366f1;
  --accent-success: #10b981;
  --accent-danger: #ef4444;
  --accent-warning: #f59e0b;
  --border-primary: #2a2a2a;
  --border-secondary: #333333;
  --border-accent: #404040;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1.5rem;
}

.header {
  text-align: center;
  margin-bottom: 2rem;
  padding: 1rem 0;
}

.logo {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
}

.logo::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(
    135deg,
    var(--accent-primary),
    var(--accent-secondary)
  );
  border-radius: 14px;
  z-index: -1;
  opacity: 0.2;
  filter: blur(4px);
}

h1 {
  color: var(--text-primary);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.025em;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(20px);
}

.card-header {
  background: linear-gradient(
    135deg,
    var(--bg-elevated) 0%,
    var(--bg-tertiary) 100%
  );
  border-bottom: 1px solid var(--border-secondary);
  color: var(--text-primary);
  padding: 1rem 1.25rem;
  font-size: 1.125rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-body {
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.875rem;
  letter-spacing: 0.025em;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-secondary);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: all 0.2s ease;
  font-family: inherit;
}

input::placeholder {
  color: var(--text-muted);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  background: var(--bg-tertiary);
}

.checkbox-wrapper {
  margin-top: 0.5rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  cursor: pointer;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-secondary);
  border-radius: 8px;
  transition: all 0.2s ease;
  margin-bottom: 0;
}

.checkbox-label:hover {
  border-color: var(--border-accent);
  background: var(--bg-tertiary);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  background: var(--bg-primary);
  border: 2px solid var(--border-accent);
  border-radius: 4px;
  position: relative;
  transition: all 0.2s ease;
  flex-shrink: 0;
  margin-top: 2px;
}

.checkmark::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: solid var(--text-primary);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.2s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  transform: rotate(45deg) scale(1);
  border-color: white;
}

.checkbox-text {
  flex: 1;
}

.checkbox-text strong {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.checkbox-text small {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.4;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  margin: 0.25rem;
  min-height: 42px;
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover:not(:disabled) {
  background: #2563eb;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-secondary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-tertiary);
  border-color: var(--border-accent);
}

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

.btn-success:hover:not(:disabled) {
  background: #059669;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.loading {
  display: none;
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-secondary);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-primary);
  border-top: 2px solid var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

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

.alert {
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  font-size: 0.875rem;
  line-height: 1.5;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Flow Steps */
.step {
  display: none;
}

.step.active {
  display: block;
}

/* Privacy Notice */
.privacy-notice {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.privacy-notice .icon {
  color: var(--accent-primary);
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* Category Chips */
.categories-container {
  display: none;
}

.category-chips {
  max-height: 500px;
  overflow-y: auto;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--border-primary);
}

.category-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 2rem 0 1rem 0;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-secondary);
  border-radius: 8px;
}

.category-section-header:first-child {
  margin-top: 0;
}

.category-section-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-section-select-all {
  font-size: 0.75rem;
  padding: 0.375rem 0.75rem;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-section-select-all:hover {
  background: var(--accent-secondary);
  transform: translateY(-1px);
}

.category-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--border-secondary);
}

.category-section {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.category-chip {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  border: 2px solid var(--border-secondary);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.category-chip:hover {
  border-color: var(--border-accent);
  transform: translateY(-1px);
}

.category-chip.selected {
  background: var(--accent-success);
  border-color: var(--accent-success);
  color: white;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.category-chip.selected::before {
  content: "✓";
  position: absolute;
  left: 0.5rem;
  font-weight: bold;
}

.category-chip.selected .chip-text {
  margin-left: 1rem;
}

/* Selection Counter */
.selection-counter {
  text-align: center;
  padding: 1rem;
  margin: 1rem 0;
  background: var(--bg-secondary);
  border-radius: 8px;
  font-weight: 500;
}

.selection-counter.has-selection {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--accent-success);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 16px;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: slideInUp 0.3s ease;
}

.modal-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.modal-summary {
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem 0;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-primary);
}

.summary-row:last-child {
  border-bottom: none;
}

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

.summary-value {
  font-weight: 600;
  color: var(--text-primary);
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* Success State */
.success-state {
  text-align: center;
  padding: 3rem 2rem;
}

.success-checkmark {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent-success);
  margin: 0 auto 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  animation: checkmarkBounce 0.6s ease;
  box-shadow: 0 0 40px rgba(16, 185, 129, 0.4);
}

.success-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.success-message {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.success-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Filter mode for step 2 */
.filter-mode {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-primary);
  justify-content: center;
}

.filter-mode label {
  display: flex;
  align-items: center;
  font-weight: 400;
  font-size: 0.875rem;
  cursor: pointer;
  color: var(--text-secondary);
  margin: 0;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.filter-mode label:hover {
  background: var(--bg-tertiary);
}

.filter-mode input[type="radio"] {
  width: 16px;
  height: 16px;
  margin-right: 0.5rem;
  accent-color: var(--accent-primary);
}

.filter-mode input[type="radio"]:checked + span {
  color: var(--text-primary);
  font-weight: 500;
}

.results {
  margin-top: 2rem;
}

.download-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--accent-success);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: var(--shadow);
}

.download-link:hover {
  background: #059669;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  .card-body {
    padding: 1rem;
  }

  .card-header {
    padding: 0.75rem 1rem;
  }

  .filter-mode {
    flex-direction: column;
    gap: 1rem;
  }

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

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--border-accent);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-secondary);
}

/* Focus styles */
.btn:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Animation for cards */
.card {
  animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes checkmarkBounce {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Responsive improvements */
@media (max-width: 768px) {
  .filter-mode {
    flex-direction: column;
    gap: 0.5rem;
  }

  .category-chips {
    max-height: 300px;
  }

  .modal-content {
    padding: 1.5rem;
    margin: 1rem;
  }

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

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