/* ============================================
   PluginForge - Main Stylesheet
   ============================================ */

:root {
    /* Colors */
    --pf-primary: #6366f1;
    --pf-primary-dark: #4f46e5;
    --pf-primary-light: #818cf8;
    --pf-secondary: #8b5cf6;
    --pf-accent: #f59e0b;
    
    --pf-success: #10b981;
    --pf-warning: #f59e0b;
    --pf-error: #ef4444;
    --pf-info: #3b82f6;
    
    --pf-gray-50: #f9fafb;
    --pf-gray-100: #f3f4f6;
    --pf-gray-200: #e5e7eb;
    --pf-gray-300: #d1d5db;
    --pf-gray-400: #9ca3af;
    --pf-gray-500: #6b7280;
    --pf-gray-600: #4b5563;
    --pf-gray-700: #374151;
    --pf-gray-800: #1f2937;
    --pf-gray-900: #111827;
    
    --pf-white: #ffffff;
    --pf-black: #000000;
    
    /* Typography */
    --pf-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --pf-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --pf-header-height: 64px;
    --pf-sidebar-width: 260px;
    
    /* Shadows */
    --pf-shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --pf-shadow: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px 0 rgba(0,0,0,0.06);
    --pf-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --pf-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --pf-shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    
    /* Border Radius */
    --pf-radius-sm: 4px;
    --pf-radius: 8px;
    --pf-radius-lg: 12px;
    --pf-radius-xl: 16px;
    --pf-radius-full: 9999px;
    
    /* Transitions */
    --pf-transition: 150ms ease;
    --pf-transition-slow: 300ms ease;
}

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

body {
    margin: 0;
    font-family: var(--pf-font-sans);
    font-size: 16px;
    line-height: 1.5;
    color: var(--pf-gray-900);
    background: var(--pf-gray-50);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--pf-primary); text-decoration: none; }
a:hover { color: var(--pf-primary-dark); }

img { max-width: 100%; height: auto; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 0.5em;
    font-weight: 700;
    line-height: 1.2;
    color: var(--pf-gray-900);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

/* ============================================
   Header
   ============================================ */
.pf-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--pf-header-height);
    background: var(--pf-white);
    border-bottom: 1px solid var(--pf-gray-200);
}

.pf-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.pf-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pf-gray-900);
}

.pf-logo:hover { color: var(--pf-gray-900); }

.pf-nav {
    display: flex;
    gap: 8px;
}

.pf-nav a {
    padding: 8px 16px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--pf-gray-600);
    border-radius: var(--pf-radius);
    transition: var(--pf-transition);
}

.pf-nav a:hover {
    color: var(--pf-gray-900);
    background: var(--pf-gray-100);
}

.pf-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pf-credits-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pf-primary);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--pf-radius-full);
}

/* User Menu */
.pf-user-menu { position: relative; }

.pf-user-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--pf-radius);
    transition: var(--pf-transition);
}

.pf-user-toggle:hover { background: var(--pf-gray-100); }

.pf-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--pf-radius-full);
    object-fit: cover;
}

.pf-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: var(--pf-white);
    border: 1px solid var(--pf-gray-200);
    border-radius: var(--pf-radius-lg);
    box-shadow: var(--pf-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--pf-transition);
}

.pf-user-menu:hover .pf-dropdown,
.pf-user-menu:focus-within .pf-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.pf-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: 0.9375rem;
    color: var(--pf-gray-700);
    transition: var(--pf-transition);
}

.pf-dropdown-item:hover {
    background: var(--pf-gray-50);
    color: var(--pf-gray-900);
}

.pf-dropdown-divider {
    height: 1px;
    margin: 4px 0;
    background: var(--pf-gray-200);
}

.pf-mobile-toggle { display: none; }

/* ============================================
   Buttons
   ============================================ */
.pf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: var(--pf-font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--pf-radius);
    cursor: pointer;
    transition: var(--pf-transition);
}

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

.pf-btn-primary {
    color: var(--pf-white);
    background: linear-gradient(135deg, var(--pf-primary), var(--pf-secondary));
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
}

.pf-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    color: var(--pf-white);
}

.pf-btn-secondary {
    color: var(--pf-primary);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--pf-primary);
}

.pf-btn-secondary:hover {
    background: rgba(99, 102, 241, 0.2);
    transform: translateY(-1px);
}

.pf-btn-outline {
    color: var(--pf-gray-700);
    background: var(--pf-white);
    border: 1px solid var(--pf-gray-300);
}

.pf-btn-outline:hover {
    border-color: var(--pf-primary);
    color: var(--pf-primary);
}

.pf-btn-ghost {
    color: var(--pf-gray-600);
    background: transparent;
}

.pf-btn-ghost:hover {
    background: var(--pf-gray-100);
    color: var(--pf-gray-900);
}

.pf-btn-sm { padding: 6px 12px; font-size: 0.8125rem; }
.pf-btn-lg { padding: 14px 28px; font-size: 1rem; }
.pf-btn-block { width: 100%; }

/* ============================================
   Forms
   ============================================ */
.pf-form-group {
    margin-bottom: 20px;
}

.pf-form-group label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pf-gray-700);
}

.pf-form-group input,
.pf-form-group textarea,
.pf-form-group select {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--pf-font-sans);
    font-size: 1rem;
    color: var(--pf-gray-900);
    background: var(--pf-white);
    border: 1px solid var(--pf-gray-300);
    border-radius: var(--pf-radius);
    transition: var(--pf-transition);
}

.pf-form-group input:focus,
.pf-form-group textarea:focus,
.pf-form-group select:focus {
    outline: none;
    border-color: var(--pf-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.pf-form-group input::placeholder,
.pf-form-group textarea::placeholder {
    color: var(--pf-gray-400);
}

.pf-form-hint {
    display: block;
    margin-top: 6px;
    font-size: 0.8125rem;
    color: var(--pf-gray-500);
}

.pf-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.pf-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.pf-checkbox input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--pf-primary);
}

.pf-select {
    padding: 10px 16px;
    font-size: 0.9375rem;
    border: 1px solid var(--pf-gray-300);
    border-radius: var(--pf-radius);
    background: var(--pf-white);
}

/* ============================================
   Cards
   ============================================ */
.pf-card {
    background: var(--pf-white);
    border: 1px solid var(--pf-gray-200);
    border-radius: var(--pf-radius-lg);
    overflow: hidden;
}

.pf-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--pf-gray-100);
}

.pf-card-header h2 {
    margin: 0;
    font-size: 1.125rem;
}

.pf-card-body {
    padding: 24px;
}

/* ============================================
   Status Badges
   ============================================ */
.pf-status {
    display: inline-flex;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--pf-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-success { background: #d1fae5; color: #065f46; }
.status-warning { background: #fef3c7; color: #92400e; }
.status-error { background: #fee2e2; color: #991b1b; }
.status-draft { background: var(--pf-gray-100); color: var(--pf-gray-600); }
.status-primary { background: rgba(99, 102, 241, 0.1); color: var(--pf-primary); }

/* ============================================
   Alerts
   ============================================ */
.pf-alert {
    padding: 12px 16px;
    font-size: 0.9375rem;
    border-radius: var(--pf-radius);
    margin-bottom: 16px;
}

.pf-alert-error {
    color: #991b1b;
    background: #fee2e2;
    border: 1px solid #fecaca;
}

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

.pf-alert-info {
    color: #1e40af;
    background: #dbeafe;
    border: 1px solid #bfdbfe;
}

/* ============================================
   Empty State
   ============================================ */
.pf-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.pf-empty-state svg {
    color: var(--pf-gray-300);
    margin-bottom: 16px;
}

.pf-empty-state h3 {
    margin-bottom: 8px;
    color: var(--pf-gray-600);
}

.pf-empty-state p {
    color: var(--pf-gray-500);
    margin-bottom: 20px;
}

.pf-empty-sm { padding: 40px 20px; }

/* ============================================
   Footer
   ============================================ */
.pf-footer {
    margin-top: auto;
    background: var(--pf-gray-900);
    color: var(--pf-gray-400);
}

.pf-footer-inner {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px;
}

.pf-footer-brand .pf-logo {
    color: var(--pf-white);
    margin-bottom: 16px;
}

.pf-footer-brand p {
    font-size: 0.9375rem;
    color: var(--pf-gray-400);
}

.pf-footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.pf-footer-col h4 {
    margin-bottom: 16px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pf-white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pf-footer-col a {
    display: block;
    padding: 6px 0;
    font-size: 0.9375rem;
    color: var(--pf-gray-400);
    transition: var(--pf-transition);
}

.pf-footer-col a:hover {
    color: var(--pf-white);
}

.pf-footer-bottom {
    padding: 20px 24px;
    text-align: center;
    font-size: 0.875rem;
    border-top: 1px solid var(--pf-gray-800);
}

/* ============================================
   Modals
   ============================================ */
.pf-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.pf-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.pf-modal-content {
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    background: var(--pf-white);
    border-radius: var(--pf-radius-xl);
    box-shadow: var(--pf-shadow-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pf-modal-xl { max-width: 1000px; }

.pf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--pf-gray-200);
}

.pf-modal-header h2 { margin: 0; }

.pf-modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--pf-gray-400);
    transition: var(--pf-transition);
}

.pf-modal-close:hover { color: var(--pf-gray-600); }

.pf-modal-body {
    padding: 24px;
    overflow-y: auto;
}

.pf-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--pf-gray-200);
    background: var(--pf-gray-50);
}

/* ============================================
   Toast Notifications
   ============================================ */
#pf-toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pf-toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--pf-gray-900);
    color: var(--pf-white);
    border-radius: var(--pf-radius-lg);
    box-shadow: var(--pf-shadow-lg);
    animation: slideIn 0.3s ease;
}

.pf-toast-success { background: var(--pf-success); }
.pf-toast-error { background: var(--pf-error); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ============================================
   Loader
   ============================================ */
.btn-loader svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.pf-spinner {
    width: 80px;
    height: 80px;
    border: 4px solid var(--pf-gray-200);
    border-top-color: var(--pf-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .pf-nav { display: none; }
    .pf-mobile-toggle { display: block; }
    .pf-footer-inner { grid-template-columns: 1fr; gap: 40px; }
    .pf-form-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .pf-footer-links { grid-template-columns: 1fr 1fr; }
}