:root{--color-primary: #667eea;--color-primary-dark: #5568d3;--color-primary-light: #7e8ff4;--color-primary-lighter: #e8ebfc;--color-secondary: #764ba2;--color-secondary-dark: #5e3c82;--color-secondary-light: #8e5cb8;--color-dark: #1a202c;--color-dark-light: #2d3748;--color-gray-900: #1a202c;--color-gray-800: #2d3748;--color-gray-700: #4a5568;--color-gray-600: #718096;--color-gray-500: #a0aec0;--color-gray-400: #cbd5e0;--color-gray-300: #e2e8f0;--color-gray-200: #edf2f7;--color-gray-100: #f7fafc;--color-gray-50: #fafafa;--color-white: #ffffff;--color-success: #48bb78;--color-success-light: #68d391;--color-success-bg: #f0fff4;--color-warning: #ed8936;--color-warning-light: #f6ad55;--color-warning-bg: #fffaf0;--color-error: #f56565;--color-error-light: #fc8181;--color-error-bg: #fff5f5;--color-info: #4299e1;--color-info-light: #63b3ed;--color-info-bg: #ebf8ff;--font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-family-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-family-mono: "Monaco", "Menlo", "Ubuntu Mono", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--spacing-16: 4rem;--spacing-20: 5rem;--radius-sm: .25rem;--radius-base: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-base: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-md: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1);--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-popover: 1060;--z-tooltip: 1070}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family-base);line-height:var(--line-height-normal);color:var(--color-gray-800);background-color:var(--color-gray-100);overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-heading);font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:var(--color-gray-900);margin-bottom:var(--spacing-4)}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}h5{font-size:var(--font-size-base)}h6{font-size:var(--font-size-sm)}p{margin-bottom:var(--spacing-4)}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--spacing-4)}@media (min-width: 768px){.container{padding:0 var(--spacing-6)}}@media (min-width: 1024px){.container{padding:0 var(--spacing-8)}}button,.btn{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-3) var(--spacing-6);border:none;border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);line-height:1.5;text-decoration:none;transition:all var(--transition-base);white-space:nowrap}button:focus,.btn:focus{outline:none;box-shadow:0 0 0 3px #667eea4d}button:disabled,.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:var(--color-white);box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-base);transform:translateY(-1px)}.btn-secondary{background-color:var(--color-white);color:var(--color-gray-700);border:1px solid var(--color-gray-300);box-shadow:var(--shadow-xs)}.btn-secondary:hover:not(:disabled){background-color:var(--color-gray-50);border-color:var(--color-gray-400)}.btn-success{background-color:var(--color-success);color:var(--color-white);box-shadow:var(--shadow-sm)}.btn-success:hover:not(:disabled){background-color:var(--color-success-light);box-shadow:var(--shadow-base)}.btn-danger{background-color:var(--color-error);color:var(--color-white);box-shadow:var(--shadow-sm)}.btn-danger:hover:not(:disabled){background-color:var(--color-error-light);box-shadow:var(--shadow-base)}.btn-sm{padding:var(--spacing-2) var(--spacing-4);font-size:var(--font-size-sm)}.btn-lg{padding:var(--spacing-4) var(--spacing-8);font-size:var(--font-size-lg)}.card{background:var(--color-white);border-radius:var(--radius-lg);padding:var(--spacing-6);margin-bottom:var(--spacing-6);box-shadow:var(--shadow-sm);border:1px solid var(--color-gray-200);transition:box-shadow var(--transition-base)}.card:hover{box-shadow:var(--shadow-base)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-4);padding-bottom:var(--spacing-4);border-bottom:1px solid var(--color-gray-200)}.card-body{padding:var(--spacing-4) 0}.card-footer{margin-top:var(--spacing-4);padding-top:var(--spacing-4);border-top:1px solid var(--color-gray-200)}.badge{display:inline-flex;align-items:center;padding:var(--spacing-1) var(--spacing-3);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.025em}.badge-primary{background-color:var(--color-primary-lighter);color:var(--color-primary-dark)}.badge-success{background-color:var(--color-success-bg);color:var(--color-success)}.badge-warning{background-color:var(--color-warning-bg);color:var(--color-warning)}.badge-error,.badge-danger{background-color:var(--color-error-bg);color:var(--color-error)}.badge-info{background-color:var(--color-info-bg);color:var(--color-info)}input,textarea,select{width:100%;padding:var(--spacing-3);border:1px solid var(--color-gray-300);border-radius:var(--radius-md);font-size:var(--font-size-base);font-family:var(--font-family-base);transition:border-color var(--transition-base),box-shadow var(--transition-base);background-color:var(--color-white)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea1a}input::placeholder,textarea::placeholder{color:var(--color-gray-500)}label{display:block;margin-bottom:var(--spacing-2);color:var(--color-gray-700);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm)}.form-group{margin-bottom:var(--spacing-6)}.loading{display:flex;align-items:center;justify-content:center;padding:var(--spacing-12);color:var(--color-gray-500);font-size:var(--font-size-lg)}.empty-state{text-align:center;padding:var(--spacing-12);color:var(--color-gray-500)}.empty-state p{margin-bottom:var(--spacing-4)}.error-message,.error{background-color:var(--color-error-bg);color:var(--color-error);padding:var(--spacing-4);border-radius:var(--radius-md);margin-bottom:var(--spacing-4);border-left:4px solid var(--color-error)}.success-message,.success{background-color:var(--color-success-bg);color:var(--color-success);padding:var(--spacing-4);border-radius:var(--radius-md);margin-bottom:var(--spacing-4);border-left:4px solid var(--color-success)}.info-message,.info{background-color:var(--color-info-bg);color:var(--color-info);padding:var(--spacing-4);border-radius:var(--radius-md);margin-bottom:var(--spacing-4);border-left:4px solid var(--color-info)}.warning-message,.warning{background-color:var(--color-warning-bg);color:var(--color-warning);padding:var(--spacing-4);border-radius:var(--radius-md);margin-bottom:var(--spacing-4);border-left:4px solid var(--color-warning)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-0{margin-top:0}.mt-2{margin-top:var(--spacing-2)}.mt-4{margin-top:var(--spacing-4)}.mt-6{margin-top:var(--spacing-6)}.mt-8{margin-top:var(--spacing-8)}.mb-0{margin-bottom:0}.mb-2{margin-bottom:var(--spacing-2)}.mb-4{margin-bottom:var(--spacing-4)}.mb-6{margin-bottom:var(--spacing-6)}.mb-8{margin-bottom:var(--spacing-8)}.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(--spacing-2)}.gap-4{gap:var(--spacing-4)}.gap-6{gap:var(--spacing-6)}.grid{display:grid;gap:var(--spacing-6)}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}@media (min-width: 640px){.grid-cols-sm-2{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width: 768px){.grid-cols-md-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-md-3{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width: 1024px){.grid-cols-lg-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-cols-lg-4{grid-template-columns:repeat(4,minmax(0,1fr))}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-gray-100)}::-webkit-scrollbar-thumb{background:var(--color-gray-400);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-gray-500)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}