:root {
    --primary: #8B5CF6;
    --primary-dark: #7C3AED;
    --primary-light: #A78BFA;
    --secondary: #1f2937;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --bg-primary: #f9fafb;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.25);
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(139, 92, 246, 0.35); }
.btn-primary:disabled { background: #D1D5DB; cursor: not-allowed; transform: none; }

.btn-secondary {
    background-color: #F3F4F6;
    color: var(--secondary);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-secondary:hover { background-color: #E5E7EB; }

.btn-danger {
    background-color: var(--danger);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    font-weight: 500;
}
.btn-danger:hover { background-color: #dc2626; }

.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }

.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}
.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}
.card-body { padding: 1.5rem; }

.input-field {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    transition: all 0.2s;
    background: white;
}
.input-field:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}
.input-field::placeholder { color: var(--text-muted); }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 0.25rem; }
.form-group { margin-bottom: 1rem; }

.sidebar { background: #ffffff; border-right: 1px solid #E2E8F0; }
.sidebar-item {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    font-weight: 500;
    color: #64748B;
}
.sidebar-item:hover { background: rgba(139, 92, 246, 0.1); color: var(--primary); }
.sidebar-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}
.sidebar-icon { width: 1.5rem; margin-right: 0.75rem; text-align: center; }

.popup-overlay, .modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease-out;
}
.popup-container, .modal-content {
    background-color: white;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: visible;
    animation: scaleIn 0.2s ease-out;
}
.modal-content.max-w-md { max-width: 28rem; }
.modal-content.max-w-lg { max-width: 36rem; }

.popup-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.popup-body { padding: 1.5rem; overflow-y: auto; flex: 1; }
.popup-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.embed-code {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 1rem;
    border-radius: var(--radius-lg);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    overflow-x: auto;
    position: relative;
    white-space: pre-wrap;
    word-break: break-all;
}
.embed-code .tag { color: #569cd6; }
.embed-code .attr { color: #9cdcfe; }
.embed-code .val { color: #ce9178; }

.widget-preview {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-xl);
    padding: 2rem;
    min-height: 300px;
    position: relative;
    overflow: hidden;
}
.widget-preview-site {
    background: rgba(255,255,255,0.95);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 0.9rem;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes slide-up { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.animate-fade-in { animation: fadeIn 0.5s ease-out forwards; }
.animate-fade-in-up { animation: fadeInUp 0.6s ease-out forwards; }
.animate-scale-in { animation: scaleIn 0.4s ease-out forwards; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-slide-up { animation: slide-up 0.3s ease-out forwards; }

.loading-spinner {
    width: 3rem;
    height: 3rem;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

@media (max-width: 768px) {
    .sidebar { position: fixed; left: -16rem; top: 0; height: 100vh; z-index: 40; transition: left 0.3s ease; }
    .sidebar.open { left: 0; }
    .popup-container { width: 95%; max-height: 95vh; }
}