:root{--color-primary:#c00;--color-primary-dark:#900;--color-primary-darker:#600;--color-primary-light:#f33;--color-primary-pastel:#ffe5e5;--color-primary-50:#fff5f5;--color-primary-100:#fcc;--color-primary-200:#f99;--color-primary-300:#f66;--color-primary-400:#f33;--color-primary-500:#c00;--color-primary-600:#900;--color-primary-700:#600;--color-primary-800:#4d0000;--color-black:#000;--color-white:#fff;--color-gray-50:#fafafa;--color-gray-100:#f5f5f5;--color-gray-200:#e5e5e5;--color-gray-300:#d4d4d4;--color-gray-400:#a3a3a3;--color-gray-500:#737373;--color-gray-600:#525252;--color-gray-700:#404040;--color-gray-800:#262626;--color-gray-900:#171717;--color-success:#16a34a;--color-success-light:#dcfce7;--color-error:#dc2626;--color-error-light:#fee2e2;--color-warning:#f59e0b;--color-warning-light:#fef3c7;--color-info:#2563eb;--color-info-light:#dbeafe;--font-family:"Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--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-size-5xl:3rem;--font-weight-light:300;--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;--line-height-tight:1.25;--line-height-normal:1.5;--line-height-relaxed:1.75;--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;--space-16:4rem;--space-20:5rem;--space-24:6rem;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--shadow-card:0 2px 8px #00000014;--shadow-card-hover:0 8px 24px #0000001f;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.35s ease;--z-dropdown:100;--z-sticky:200;--z-modal-backdrop:300;--z-modal:400;--z-toast:500;--header-height:64px;--sidebar-width:260px;--max-width:1200px;--max-width-narrow:800px;--max-width-xs:480px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);font-size:var(--font-size-base);font-weight:var(--font-weight-regular);line-height:var(--line-height-normal);color:var(--color-gray-900);background-color:var(--color-white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,video,svg{max-width:100%;height:auto;display:block}a{color:var(--color-primary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-primary-dark)}ul,ol{list-style:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:var(--color-gray-900)}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}h6{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold)}p{margin-bottom:var(--space-4);color:var(--color-gray-700)}small{font-size:var(--font-size-sm)}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);border-radius:var(--radius-md);transition:all var(--transition-normal);cursor:pointer;white-space:nowrap;border:2px solid #0000;line-height:1;text-decoration:none;display:inline-flex}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background-color:var(--color-primary);color:var(--color-white)}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-dark);box-shadow:0 4px 12px #cc00004d}.btn-secondary{background-color:var(--color-white);color:var(--color-primary);border-color:var(--color-primary)}.btn-secondary:hover:not(:disabled){background-color:var(--color-primary-50)}.btn-ghost{color:var(--color-gray-700);background-color:#0000}.btn-ghost:hover:not(:disabled){background-color:var(--color-gray-100)}.btn-success{background-color:var(--color-success);color:var(--color-white)}.btn-success:hover:not(:disabled){background-color:#15803d}.btn-sm{padding:var(--space-2) var(--space-4);font-size:var(--font-size-sm)}.btn-lg{padding:var(--space-4) 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#dc26261a}.form-error{font-size:var(--font-size-sm);color:var(--color-error)}.form-textarea{resize:vertical;min-height:100px}.card{background-color:var(--color-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);border:1px solid var(--color-gray-200);transition:box-shadow var(--transition-normal), transform var(--transition-normal);overflow:hidden}.card:hover{box-shadow:var(--shadow-card-hover)}.card-body{padding:var(--space-6)}.card-header{padding:var(--space-6);border-bottom:1px solid var(--color-gray-200)}.card-footer{padding:var(--space-4) var(--space-6);border-top:1px solid var(--color-gray-200);background-color:var(--color-gray-50)}.badge{padding:var(--space-1) var(--space-3);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);border-radius:var(--radius-full);align-items:center;line-height:1.4;display:inline-flex}.badge-primary{background-color:var(--color-primary-pastel);color:var(--color-primary-dark)}.badge-success{background-color:var(--color-success-light);color:var(--color-success)}.badge-error{background-color:var(--color-error-light);color:var(--color-error)}.badge-warning{background-color:var(--color-warning-light);color:var(--color-warning)}.badge-gray{background-color:var(--color-gray-100);color:var(--color-gray-600)}.container{width:100%;max-width:var(--max-width);padding:0 var(--space-6);margin:0 auto}.container-narrow{max-width:var(--max-width-narrow)}.container-xs{max-width:var(--max-width-xs)}.page-content{min-height:calc(100vh - var(--header-height));padding-top:var(--space-8);padding-bottom:var(--space-16)}.spinner{border:3px solid var(--color-gray-200);border-top-color:var(--color-primary);border-radius:50%;width:24px;height:24px;animation:.7s linear infinite spin;display:inline-block}.spinner-lg{border-width:4px;width:40px;height:40px}.spinner-sm{border-width:2px;width:16px;height:16px}.loading-overlay{justify-content:center;align-items:center;gap:var(--space-4);min-height:200px;color:var(--color-gray-500);flex-direction:column;display:flex}.modal-backdrop{z-index:var(--z-modal-backdrop);animation:fadeIn var(--transition-fast);background-color:#00000080;position:fixed;inset:0}.modal{background-color:var(--color-white);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);z-index:var(--z-modal);width:90%;max-width:500px;max-height:85vh;animation:modalIn var(--transition-normal);position:fixed;top:50%;left:50%;overflow-y:auto;transform:translate(-50%,-50%)}.modal-header{padding:var(--space-6);border-bottom:1px solid var(--color-gray-200);justify-content:space-between;align-items:center;display:flex}.modal-header h3{font-size:var(--font-size-xl)}.modal-close{border-radius:var(--radius-md);width:32px;height:32px;color:var(--color-gray-500);font-size:var(--font-size-xl);transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex}.modal-close:hover{background-color:var(--color-gray-100);color:var(--color-gray-900)}.modal-body{padding:var(--space-6)}.modal-footer{justify-content:flex-end;gap:var(--space-3);padding:var(--space-4) var(--space-6);border-top:1px solid var(--color-gray-200);display:flex}.alert{align-items:flex-start;gap:var(--space-3);padding:var(--space-4) var(--space-5);border-radius:var(--radius-md);font-size:var(--font-size-sm);display:flex}.alert-success{background-color:var(--color-success-light);color:#166534;border:1px solid #bbf7d0}.alert-error{background-color:var(--color-error-light);color:#991b1b;border:1px solid #fecaca}.alert-warning{background-color:var(--color-warning-light);color:#92400e;border:1px solid #fde68a}.alert-info{background-color:var(--color-info-light);color:#1e40af;border:1px solid #bfdbfe}.table-wrapper{border-radius:var(--radius-lg);border:1px solid var(--color-gray-200);overflow-x:auto}.table{border-collapse:collapse;width:100%}.table th{padding:var(--space-3) var(--space-4);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-gray-600);background-color:var(--color-gray-50);text-align:left;border-bottom:1px solid var(--color-gray-200)}.table td{padding:var(--space-3) var(--space-4);font-size:var(--font-size-sm);color:var(--color-gray-700);border-bottom:1px solid var(--color-gray-100)}.table tr:last-child td{border-bottom:none}.table tr:hover td{background-color:var(--color-gray-50)}.progress-bar-track{background-color:var(--color-gray-200);border-radius:var(--radius-full);width:100%;height:8px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--color-primary), var(--color-primary-light));border-radius:var(--radius-full);height:100%;transition:width var(--transition-slow)}.star-rating{gap:var(--space-1);display:flex}.star-rating-btn{color:var(--color-gray-300);font-size:var(--font-size-2xl);transition:color var(--transition-fast), transform var(--transition-fast);line-height:1}.star-rating-btn:hover{transform:scale(1.15)}.star-rating-btn.active{color:var(--color-warning)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes modalIn{0%{opacity:0;transform:translate(-50%,-50%)scale(.95)}to{opacity:1;transform:translate(-50%,-50%)scale(1)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-fade-in{animation:fadeIn var(--transition-normal)}.animate-slide-up{animation:slideUp var(--transition-normal)}.animate-slide-down{animation:slideDown var(--transition-normal)}.animate-pulse{animation:2s ease-in-out infinite 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0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (max-width:768px){:root{--header-height:56px}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}.container{padding:0 var(--space-4)}.modal{width:95%}.btn-lg{padding:var(--space-3) var(--space-6);font-size:var(--font-size-base)}}