/* Links2Pics - Production CSS */

/* CSS Reset and Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e7eb;
  z-index: 100;
  transition: transform 0.3s ease;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.logo-icon {
  font-size: 1.5rem;
  margin-right: 0.5rem;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #6366f1;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: #6b7280;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: #6366f1;
}

.auth-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-ghost {
  background: transparent;
  color: #6b7280;
  border: 1px solid #d1d5db;
}

.btn-ghost:hover {
  background: #f9fafb;
  color: #374151;
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-success:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-generate {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: 0.75rem;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-generate:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-full {
  width: 100%;
}

.btn-loading .btn-text {
  display: none;
}

.btn-loading .btn-loading {
  display: flex !important;
}

.btn-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-loading {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

/* Spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.spinner-large {
  width: 32px;
  height: 32px;
  border: 3px solid #e5e7eb;
  border-top: 3px solid #6366f1;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Main Content */
main {
  margin-top: 70px;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 6rem 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.9);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #6366f1;
  margin-bottom: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: #1f2937;
}

.gradient-text {
  background: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: #6b7280;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Input Mode Toggle */
.input-mode-toggle {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.mode-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid #e5e7eb;
  background: white;
  color: #6b7280;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-btn.active {
  border-color: #6366f1;
  background: #6366f1;
  color: white;
}

.mode-btn:hover:not(.active) {
  border-color: #6366f1;
  color: #6366f1;
}

/* URL Input Section */
.url-input-section {
  margin-bottom: 3rem;
}

.url-form {
  max-width: 600px;
  margin: 0 auto;
}

.input-wrapper {
  display: flex;
  gap: 1rem;
  background: white;
  padding: 0.5rem;
  border-radius: 1rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
}

.url-input {
  flex: 1;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  outline: none;
  background: transparent;
}

.url-input::placeholder {
  color: #9ca3af;
}

/* Manual Input Section */
.manual-input-section {
  margin-bottom: 3rem;
}

.manual-form {
  max-width: 600px;
  margin: 0 auto;
}

.manual-inputs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
}

.manual-input,
.manual-textarea {
  padding: 1rem 1.5rem;
  border: 1px solid #d1d5db;
  border-radius: 0.75rem;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease;
  font-family: inherit;
}

.manual-input:focus,
.manual-textarea:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.manual-textarea {
  resize: vertical;
  min-height: 80px;
}

.manual-input::placeholder,
.manual-textarea::placeholder {
  color: #9ca3af;
}

/* Hero Features */
.hero-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.feature-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.9);
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.hero-bg-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.bg-circle {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
  animation: float 6s ease-in-out infinite;
}

.bg-circle-1 {
  width: 300px;
  height: 300px;
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.bg-circle-2 {
  width: 200px;
  height: 200px;
  bottom: 20%;
  left: 10%;
  animation-delay: 2s;
}

.bg-circle-3 {
  width: 150px;
  height: 150px;
  top: 50%;
  left: 50%;
  animation-delay: 4s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Message Container */
.message-container {
  margin-top: 1rem;
}

.message {
  padding: 1rem;
  border-radius: 0.75rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.message-success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.message-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

.message-info {
  background: #dbeafe;
  color: #1e40af;
  border: 1px solid #93c5fd;
}

/* Generator Section */
.generator-section {
  padding: 4rem 0;
  background: #f9fafb;
}

.generator-content {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  color: #1f2937;
}

.section-description {
  font-size: 1.125rem;
  color: #6b7280;
  text-align: center;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.generator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.controls-panel,
.preview-panel {
  background: white;
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.panel-header {
  padding: 1.5rem;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
}

.controls-content {
  padding: 1.5rem;
  position: relative;
}

.control-group {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #f3f4f6;
}

.control-group:last-child {
  border-bottom: none;
}

.control-label {
  display: block;
  font-weight: 600;
  color: #374151;
  margin-bottom: 0.5rem;
}

.control-select,
.control-slider {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.control-select:focus,
.control-slider:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.color-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.control-color {
  width: 50px;
  height: 40px;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  cursor: pointer;
}

.color-value {
  font-family: "Monaco", "Menlo", monospace;
  font-size: 0.875rem;
  color: #6b7280;
}

.control-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

/* Preview Panel */
.preview-content {
  padding: 1.5rem;
}

.preview-wrapper {
  position: relative;
  background: #f9fafb;
  border-radius: 0.75rem;
  overflow: hidden;
  aspect-ratio: 1200 / 630;
}

#previewImage {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-placeholder,
.preview-loading {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #6b7280;
  text-align: center;
}

.placeholder-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.preview-info {
  font-size: 0.875rem;
  color: #6b7280;
}

.content-info {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: #f9fafb;
  border-radius: 0.75rem;
}

.content-info h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 1rem;
}

.content-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.content-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.content-item strong {
  font-size: 0.875rem;
  color: #6b7280;
}

.content-item span {
  font-size: 0.875rem;
  color: #374151;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav,
  .auth-buttons {
    display: none;
  }

  .hero {
    padding: 4rem 0;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .input-wrapper {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-features {
    flex-direction: column;
    align-items: center;
  }

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

  .input-mode-toggle {
    flex-direction: column;
    gap: 0.5rem;
  }

  .manual-inputs {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .controls-content,
  .preview-content {
    padding: 1rem;
  }
}

/* Focus Styles */
.btn:focus,
.nav-link:focus,
.url-input:focus,
.manual-input:focus,
.manual-textarea:focus,
.control-select:focus,
.control-slider:focus,
.control-color:focus {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

.mode-btn:focus {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

/* Loading States */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Checkbox Styles */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: 500;
  color: #374151;
}

.control-checkbox {
  width: 18px;
  height: 18px;
  border: 2px solid #d1d5db;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  appearance: none;
  background: white;
  transition: all 0.2s ease;
}

.control-checkbox:checked {
  background: #6366f1;
  border-color: #6366f1;
}

.control-checkbox:checked::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

.control-checkbox:focus {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

/* Enhanced Control Groups */
.control-group {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #f3f4f6;
}

.control-group:last-child {
  border-bottom: none;
}

/* Slider Enhancements */
.control-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: #e5e7eb;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.control-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #6366f1;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.control-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #6366f1;
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Select Enhancements */
.control-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

/* Color Input Enhancements */
.color-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  background: #f9fafb;
  border-radius: 0.5rem;
}

.control-color {
  width: 50px;
  height: 40px;
  border: 2px solid #d1d5db;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.control-color:hover {
  border-color: #6366f1;
}

.color-value {
  font-family: "Monaco", "Menlo", "Consolas", monospace;
  font-size: 0.875rem;
  color: #6b7280;
  background: white;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  border: 1px solid #e5e7eb;
  min-width: 80px;
  text-align: center;
}

/* Control Actions */
.control-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 2px solid #e5e7eb;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
  .control-group {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
  }

  .color-input-wrapper {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .control-color {
    width: 100%;
    height: 50px;
  }

  .checkbox-label {
    font-size: 0.875rem;
  }
}

/* Animation for smooth transitions */
.control-select,
.control-slider,
.control-color,
.control-checkbox {
  transition: all 0.2s ease;
}

/* Focus states for accessibility */
.control-select:focus,
.control-slider:focus,
.control-color:focus,
.control-checkbox:focus {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

/* Loading state for controls */
.controls-content.loading {
  opacity: 0.7;
  pointer-events: none;
}

.controls-content.loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
}