.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:1rem}.spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.page-container{padding:1.5rem;max-width:1400px;margin:0 auto}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.page-title{font-size:1.5rem;font-weight:600;color:var(--text-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.5rem 1rem;font-size:.875rem;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all .2s ease}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--bg-tertiary)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover{background-color:var(--danger-hover)}.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem}.form-group{margin-bottom:1rem}.form-label{display:block;margin-bottom:.5rem;font-size:.875rem;font-weight:500;color:var(--text-primary)}.form-input{width:100%;padding:.5rem .75rem;font-size:.875rem;border:1px solid var(--border-color);border-radius:var(--radius-md);background-color:var(--bg-input);color:var(--text-primary);transition:border-color .2s ease}.form-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px var(--primary-light)}.form-input::placeholder{color:var(--text-muted)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.page-header{flex-direction:column;align-items:flex-start;gap:1rem}}:root{--primary-color: #3b82f6;--primary-hover: #2563eb;--primary-light: rgba(59, 130, 246, .1);--success-color: #10b981;--success-hover: #059669;--warning-color: #f59e0b;--warning-hover: #d97706;--danger-color: #ef4444;--danger-hover: #dc2626;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--bg-card: #ffffff;--bg-input: #ffffff;--text-primary: #111827;--text-secondary: #4b5563;--text-muted: #6b7280;--text-placeholder: #9ca3af;--border-color: #e5e7eb;--border-focus: #3b82f6;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease}@media(prefers-color-scheme:dark){:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-card: #1e293b;--bg-input: #0f172a;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--text-placeholder: #64748b;--border-color: #334155}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);line-height:1.5;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:.875rem;line-height:1.5;color:var(--text-primary);background-color:var(--bg-secondary);min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.25;color:var(--text-primary)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}h5{font-size:1rem}h6{font-size:.875rem}p{margin-bottom:var(--space-4)}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-4{gap:var(--space-4)}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.font-medium{font-weight:500}.font-semibold{font-weight:600}.text-muted{color:var(--text-muted)}.mb-4{margin-bottom:var(--space-4)}.mt-4{margin-top:var(--space-4)}.p-4{padding:var(--space-4)}.rounded-lg{border-radius:var(--radius-lg)}.shadow-md{box-shadow:var(--shadow-md)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}::selection{background-color:var(--primary-light);color:var(--primary-color)}