:root{--seed-primary: #FF6B6B;--seed-secondary: #4ECDC4;--seed-accent: #FFE66D;--seed-bg: #FAFAFA;--seed-fg: #2D3436;--seed-surface: #FFFFFF;--seed-radius: 12px;--color-primary: var(--seed-primary);--color-primary-light: color-mix(in srgb, var(--seed-primary) 15%, white);--color-primary-dark: color-mix(in srgb, var(--seed-primary) 80%, black);--color-secondary: var(--seed-secondary);--color-secondary-light: color-mix(in srgb, var(--seed-secondary) 15%, white);--color-secondary-dark: color-mix(in srgb, var(--seed-secondary) 80%, black);--color-accent: var(--seed-accent);--color-accent-light: color-mix(in srgb, var(--seed-accent) 20%, white);--bg: var(--seed-bg);--bg-elevated: var(--seed-surface);--bg-muted: #F1F2F6;--bg-dark: #2D3436;--bg-darker: #1E2527;--text: var(--seed-fg);--text-secondary: #636E72;--text-muted: #B2BEC3;--text-inverse: #FFFFFF;--border: #E1E8ED;--border-light: #F1F2F6;--success: #00B894;--warning: #FDCB6E;--danger: #FF6B6B;--info: #74B9FF;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--radius-sm: calc(var(--seed-radius) * .5);--radius-md: var(--seed-radius);--radius-lg: calc(var(--seed-radius) * 1.5);--radius-xl: calc(var(--seed-radius) * 2);--radius-pill: 50px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--shadow-lg: 0 8px 30px rgba(0,0,0,.1);--shadow-xl: 0 16px 48px rgba(0,0,0,.12);--shadow-card: 0 2px 8px rgba(0,0,0,.06);--shadow-card-hover: 0 8px 24px rgba(0,0,0,.12);--font-display: "Poppins", "Noto Sans SC", sans-serif;--font-body: "Inter", "Noto Sans SC", sans-serif;--font-mono: "JetBrains Mono", monospace;--ease: cubic-bezier(.4, 0, .2, 1);--duration: .2s;--sidebar-width: 260px;--sidebar-collapsed: 72px;--topbar-height: 64px;--max-width: 1280px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);color:var(--text);background:var(--bg);line-height:1.6;min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;line-height:1.2;color:var(--text)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.1rem}a{color:var(--color-primary);text-decoration:none;transition:color var(--duration) var(--ease)}a:hover{color:var(--color-primary-dark)}img,svg{display:block;max-width:100%}button{font-family:var(--font-body);cursor:pointer;border:none;background:none;font-size:.875rem}input,textarea,select{font-family:var(--font-body);font-size:.875rem;color:var(--text)}ul,ol{list-style:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--space-lg)}.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-xs{gap:var(--space-xs)}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.gap-xl{gap:var(--space-xl)}.text-center{text-align:center}.text-sm{font-size:.8125rem}.text-muted{color:var(--text-secondary)}.font-display{font-family:var(--font-display)}.w-full{width:100%}.grid{display:grid}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:10px 24px;border-radius:var(--radius-pill);font-weight:600;font-size:.875rem;transition:all var(--duration) var(--ease);white-space:nowrap;line-height:1.4}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:0 4px 16px color-mix(in srgb,var(--seed-primary) 40%,transparent)}.btn-secondary{background:var(--color-secondary);color:#fff}.btn-secondary:hover{background:var(--color-secondary-dark);transform:translateY(-1px);box-shadow:0 4px 16px color-mix(in srgb,var(--seed-secondary) 40%,transparent)}.btn-outline{border:2px solid var(--color-primary);color:var(--color-primary);background:transparent}.btn-outline:hover{background:var(--color-primary);color:#fff}.btn-ghost{color:var(--text-secondary);background:transparent}.btn-ghost:hover{background:var(--bg-muted);color:var(--text)}.btn-sm{padding:6px 16px;font-size:.8125rem}.btn-lg{padding:14px 32px;font-size:1rem}.btn-icon{padding:10px;border-radius:var(--radius-md)}.card{background:var(--bg-elevated);border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-card);transition:all .3s var(--ease)}.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:var(--color-primary-light)}.card-body{padding:var(--space-lg)}.card-header{padding:var(--space-lg) var(--space-lg) 0}.input-group{display:flex;flex-direction:column;gap:var(--space-xs)}.input-label{font-size:.8125rem;font-weight:600;color:var(--text)}.input,.select,.textarea{width:100%;padding:10px 16px;border:1.5px solid var(--border);border-radius:var(--radius-md);background:var(--bg-elevated);transition:all var(--duration) var(--ease);outline:none}.input:focus,.select:focus,.textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.input::placeholder{color:var(--text-muted)}.textarea{resize:vertical;min-height:100px}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:var(--radius-pill);font-size:.75rem;font-weight:600}.badge-primary{background:var(--color-primary-light);color:var(--color-primary-dark)}.badge-secondary{background:var(--color-secondary-light);color:var(--color-secondary-dark)}.badge-success{background:#e8f8f5;color:#00b894}.badge-warning{background:#fff8e1;color:#e17055}.badge-danger{background:#ffeaea;color:#d63031}.badge-info{background:#e8f4fd;color:#0984e3}.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border-light);background:var(--bg-elevated)}.table{width:100%;border-collapse:collapse}.table th{text-align:left;padding:12px 16px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border-light);background:var(--bg-muted)}.table td{padding:12px 16px;border-bottom:1px solid var(--border-light);font-size:.875rem}.table tr:last-child td{border-bottom:none}.table tr:hover{background:color-mix(in srgb,var(--seed-primary) 3%,white)}.gradient-primary{background:linear-gradient(135deg,var(--seed-primary),color-mix(in srgb,var(--seed-primary) 70%,var(--seed-secondary)))}.gradient-hero{background:linear-gradient(135deg,#ff6b6b,#ff8e53 30%,#4ecdc4 70%,#45b7aa)}.gradient-subtle{background:linear-gradient(135deg,color-mix(in srgb,var(--seed-primary) 5%,white),color-mix(in srgb,var(--seed-secondary) 5%,white))}.gradient-dark{background:linear-gradient(135deg,#2d3436,#1e2527)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn .4s var(--ease)}.animate-slide-in{animation:slideInRight .3s var(--ease)}.animate-pulse{animation:pulse 2s infinite}.animate-spin{animation:spin 1s linear infinite}.spinner{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.toast-container{position:fixed;top:20px;right:20px;z-index:10000;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 20px;border-radius:var(--radius-md);background:var(--bg-elevated);box-shadow:var(--shadow-lg);font-size:.875rem;animation:slideInRight .3s var(--ease);border-left:4px solid var(--color-primary)}.toast-success{border-left-color:var(--success)}.toast-error{border-left-color:var(--danger)}.toast-warning{border-left-color:var(--warning)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:9999;animation:fadeIn .2s var(--ease)}.modal{background:var(--bg-elevated);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-width:520px;width:90%;max-height:85vh;overflow-y:auto;animation:fadeIn .3s var(--ease)}.modal-header{padding:var(--space-lg);border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between}.modal-body{padding:var(--space-lg)}.modal-footer{padding:var(--space-md) var(--space-lg);border-top:1px solid var(--border-light);display:flex;justify-content:flex-end;gap:var(--space-sm)}@media(max-width:1024px){:root{--sidebar-width: 220px}h1{font-size:2rem}h2{font-size:1.5rem}}@media(max-width:768px){.container{padding:0 var(--space-md)}h1{font-size:1.75rem}.btn-lg{padding:12px 24px}}[data-theme=dark]{--seed-bg: #1A1A2E;--seed-fg: #EAEAEA;--seed-surface: #16213E;--bg-muted: #0F3460;--border: #2A2A4A;--border-light: #2A2A4A;--text-secondary: #A0A0B0;--text-muted: #606070}