:root {
  --bg-color: #0f0f11;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.1);
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.4);
  --text-main: #ffffff;
  --text-muted: #9ca3af;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 40%);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #555;
}

header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 15, 17, 0.8);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.settings-btn {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.settings-btn:hover {
  background: var(--card-bg);
  border-color: var(--primary);
}

main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.hero {
  text-align: center;
  margin-top: 2rem;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(to right, #fff, #9ca3af);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

.creator-panel {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 1rem;
}

.tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.5rem 1rem;
  transition: all 0.2s;
  border-radius: 6px;
}

.tab.active {
  color: #fff;
  background: rgba(255,255,255,0.05);
}

.input-group {
  margin-bottom: 1.5rem;
}

textarea {
  width: 100%;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1rem;
  color: #fff;
  font-size: 1rem;
  min-height: 120px;
  resize: vertical;
  font-family: inherit;
  transition: border-color 0.2s;
}

textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.control-item label {
  display: block;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

select, input[type="text"] {
  width: 100%;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--card-border);
  padding: 0.8rem;
  border-radius: 8px;
  color: #fff;
  font-size: 1rem;
  outline: none;
}

.generate-btn {
  width: 100%;
  padding: 1rem;
  background: var(--accent-gradient);
  border: none;
  border-radius: 12px;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.generate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

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

.generate-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.history-section h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.history-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.history-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.2s;
  position: relative;
}

.history-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,255,255,0.2);
}

.card-preview {
  height: 180px;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.card-preview video, .card-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.status-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 8px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.status-processing { background: rgba(234, 179, 8, 0.8); color: #000; }
.status-completed { background: rgba(34, 197, 94, 0.8); color: #fff; }
.status-failed { background: rgba(239, 68, 68, 0.8); color: #fff; }

.card-info {
  padding: 1rem;
}

.card-prompt {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: #666;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.8);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: #1a1a1c;
  padding: 2rem;
  border-radius: 20px;
  width: 90%;
  max-width: 500px;
  border: 1px solid var(--card-border);
}

.modal h3 {
  margin-bottom: 1.5rem;
}

.close-modal {
  margin-top: 1.5rem;
  width: 100%;
  padding: 0.8rem;
  background: transparent;
  border: 1px solid var(--card-border);
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
}

.close-modal:hover {
  background: rgba(255,255,255,0.1);
}

/* Loading Spinner */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

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