@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Outfit:wght@300;400;500;600&display=swap');

:root {
  --bg-primary: #0d0d0f;
  --bg-secondary: #16161a;
  --bg-tertiary: #1e1e24;
  --bg-elevated: #252530;
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  --accent: #7c5cff;
  --accent-hover: #9b7fff;
  --accent-glow: rgba(124, 92, 255, 0.3);
  --success: #2dd4a0;
  --error: #ff5c75;
  --warning: #ffb347;
  --border: #2a2a35;
  --border-hover: #3a3a48;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.2s ease;
}

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

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* Header & Navigation */
header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--text-muted);
}

nav {
  display: flex;
  gap: 0.5rem;
}

nav a {
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-size: 0.9rem;
}

nav a:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

nav a.active {
  color: var(--accent);
  background: rgba(124, 92, 255, 0.12);
}

/* Main Content */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.page {
  display: none;
}

.page.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

/* Form Elements */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

input[type="text"],
input[type="number"],
input[type="url"],
select,
textarea {
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: var(--transition);
  width: 100%;
}

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

textarea {
  min-height: 120px;
  resize: vertical;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
}

input[type="file"] {
  padding: 0.5rem;
  background: var(--bg-tertiary);
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
}

input[type="file"]:hover {
  border-color: var(--accent);
}

input[type="file"]::file-selector-button {
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  padding: 0.5rem 1rem;
  margin-right: 1rem;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  cursor: pointer;
}

.checkbox-group {
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

.checkbox-group label {
  cursor: pointer;
  user-select: none;
}

/* Buttons */
.btn {
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px var(--accent-glow);
}

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

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

.btn-success {
  background: var(--success);
  color: var(--bg-primary);
}

.btn-success:hover:not(:disabled) {
  filter: brightness(1.1);
}

.btn-danger {
  background: transparent;
  color: var(--error);
  border: 1px solid var(--error);
}

.btn-danger:hover:not(:disabled) {
  background: var(--error);
  color: white;
}

.btn-sm {
  padding: 0.5rem 0.875rem;
  font-size: 0.825rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Status & Messages */
.status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.status.loading {
  background: rgba(124, 92, 255, 0.1);
  border: 1px solid var(--accent);
  color: var(--accent);
}

.status.success {
  background: rgba(45, 212, 160, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
}

.status.error {
  background: rgba(255, 92, 117, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Results Grid */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.result-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
}

.result-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}

.result-item:hover img {
  transform: scale(1.02);
}

/* Table */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead {
  background: var(--bg-tertiary);
}

th {
  font-weight: 600;
  text-align: left;
  padding: 1rem 1.25rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

tr:last-child td {
  border-bottom: none;
}

tbody tr {
  transition: var(--transition);
}

tbody tr:hover {
  background: var(--bg-tertiary);
}

.td-preview {
  width: 60px;
  padding: 0.5rem;
}

.effect-preview-thumb {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.no-preview {
  display: inline-block;
  width: 48px;
  height: 48px;
  line-height: 48px;
  text-align: center;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.td-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.td-prompt {
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.td-actions {
  display: flex;
  gap: 0.5rem;
  white-space: nowrap;
}

.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: var(--transition);
}

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

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  box-shadow: var(--shadow);
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast.success {
  border-color: var(--success);
  background: rgba(45, 212, 160, 0.15);
}

.toast.error {
  border-color: var(--error);
  background: rgba(255, 92, 117, 0.15);
}

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

/* Responsive */
@media (max-width: 768px) {
  header {
    padding: 0 1rem;
  }

  .header-content {
    flex-direction: column;
    height: auto;
    padding: 1rem 0;
    gap: 1rem;
  }

  main {
    padding: 1rem;
  }

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

  .modal {
    margin: 1rem;
  }
}