/* ============================================
   Prompt Generator JSON - Modern UI Stylesheet
   ============================================ */

/* CSS Variables */
:root {
  --bg-gradient-start: #0f0a1a;
  --bg-gradient-end: #1a0f2e;
  --card-bg: rgba(25, 15, 45, 0.85);
  --card-border: rgba(139, 92, 246, 0.2);
  --accent-primary: #8b5cf6;
  --accent-secondary: #a855f7;
  --accent-glow: rgba(139, 92, 246, 0.4);
  --text-primary: #ffffff;
  --text-secondary: #c4b5fd;
  --text-muted: #9ca3af;
  --json-key: #f472b6;
  --json-string: #4ade80;
  --json-number: #60a5fa;
  --input-bg: rgba(15, 10, 30, 0.6);
  --input-border: rgba(139, 92, 246, 0.3);
  --input-focus: rgba(139, 92, 246, 0.6);
  --btn-primary-bg: linear-gradient(135deg, #8b5cf6, #a855f7);
  --btn-action-bg: rgba(139, 92, 246, 0.2);
  --success: #4ade80;
  --warning: #fbbf24;
  --error: #ef4444;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: linear-gradient(
    135deg,
    var(--bg-gradient-start),
    var(--bg-gradient-end)
  );
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

/* App Container */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  text-align: center;
  padding: 30px 0;
  margin-bottom: 20px;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
}

.logo-icon {
  font-size: 2.5rem;
}

.logo h1 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(
    135deg,
    var(--accent-primary),
    var(--accent-secondary)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Main Content - Two Column Layout */
.main-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  flex: 1;
}

/* Section Panels */
.form-panel,
.preview-panel {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  padding: 24px;
  backdrop-filter: blur(10px);
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.subsection-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 24px 0 16px;
}

/* Form Groups */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-group.half {
  flex: 1;
}

/* Inputs */
input[type="text"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 12px 16px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

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

/* Input with AI Button */
.input-with-ai {
  position: relative;
}

.input-with-ai textarea {
  padding-right: 70px;
}

.btn-ai {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 6px 12px;
  background: var(--btn-primary-bg);
  border: none;
  border-radius: var(--border-radius-sm);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-ai:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px var(--accent-glow);
}

/* Image Input Tabs */
.image-input-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.tab-btn {
  padding: 8px 16px;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover {
  border-color: var(--accent-primary);
}

.tab-btn.active {
  background: var(--btn-primary-bg);
  border-color: var(--accent-primary);
  color: white;
}

.tab-content {
  display: none;
}

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

/* File Upload Area */
.file-upload-wrapper {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.file-upload-area {
  border: 2px dashed var(--card-border);
  border-radius: var(--border-radius);
  padding: 30px 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.file-upload-area:hover,
.file-upload-area.dragover {
  border-color: var(--accent-primary);
  background: rgba(139, 92, 246, 0.1);
}

.upload-icon {
  font-size: 2rem;
}

.upload-text {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.upload-hint {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.btn-analyze-upload {
  width: 100%;
  padding: 12px;
  background: var(--btn-primary-bg);
  border: none;
  border-radius: var(--border-radius-sm);
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-analyze-upload:hover {
  box-shadow: 0 4px 15px var(--accent-glow);
}

/* Image Preview */
.image-preview {
  position: relative;
  margin-top: 12px;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--card-border);
}

.image-preview img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  background: rgba(10, 5, 20, 0.5);
  display: block;
}

.btn-remove-image {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  background: rgba(239, 68, 68, 0.9);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-remove-image:hover {
  background: var(--error);
  transform: scale(1.1);
}

.input-with-ai input[type="text"] {
  padding-right: 70px;
}

/* Category Grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.category-item {
  display: flex;
  flex-direction: column;
}

.category-item label {
  font-size: 0.75rem;
  margin-bottom: 4px;
}

.category-item select {
  padding: 10px 12px;
  font-size: 0.875rem;
}

.loading-categories {
  grid-column: span 2;
  text-align: center;
  color: var(--text-muted);
  padding: 20px;
}

/* Buttons */
.btn-primary {
  width: 100%;
  padding: 16px 24px;
  background: var(--btn-primary-bg);
  border: none;
  border-radius: var(--border-radius);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition);
  margin-top: 24px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-action {
  padding: 8px 16px;
  background: var(--btn-action-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-action:hover {
  background: rgba(139, 92, 246, 0.3);
  border-color: var(--accent-primary);
}

.btn-download {
  background: var(--btn-primary-bg);
  border: none;
}

.btn-download:hover {
  box-shadow: 0 4px 15px var(--accent-glow);
}

/* Preview Panel */
.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.preview-header .section-title {
  margin-bottom: 0;
}

.preview-actions {
  display: flex;
  gap: 8px;
}

/* Scene Tabs */
.scene-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.scene-tab {
  padding: 8px 16px;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

.scene-tab:hover {
  border-color: var(--accent-primary);
}

.scene-tab.active {
  background: var(--btn-primary-bg);
  border-color: var(--accent-primary);
  color: white;
}

/* JSON Preview */
.json-preview {
  background: rgba(10, 5, 20, 0.8);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  padding: 20px;
  overflow: auto;
  max-height: 500px;
  min-height: 300px;
}

.json-preview pre {
  margin: 0;
  font-family: "Fira Code", "Monaco", "Consolas", monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}

.json-preview code {
  color: var(--json-string);
}

/* Character Count */
.char-count {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--input-bg);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.char-current {
  color: var(--accent-primary);
  font-weight: 600;
}

.char-limit {
  color: var(--text-muted);
}

.char-status {
  margin-left: auto;
  font-weight: 500;
}

.char-status.success {
  color: var(--success);
}

.char-status.warning {
  color: var(--warning);
}

.char-status.error {
  color: var(--error);
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 5, 20, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading-spinner {
  text-align: center;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--card-border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-spinner p {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

/* Footer */
.app-footer {
  text-align: center;
  padding: 24px 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 1fr;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .app-container {
    padding: 12px;
  }

  .logo h1 {
    font-size: 1.5rem;
  }

  .form-panel,
  .preview-panel {
    padding: 16px;
  }

  .form-row {
    flex-direction: column;
    gap: 12px;
  }

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

  .preview-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .preview-actions {
    width: 100%;
    justify-content: space-between;
  }

  .btn-action {
    flex: 1;
    justify-content: center;
  }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

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

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

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 16px 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 0.9375rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 1100;
  animation: slideIn 0.3s ease;
}

.toast.success {
  border-color: var(--success);
}

.toast.error {
  border-color: var(--error);
}

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