@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap");:root{--color-neutral-50:#fafafa;--color-neutral-100:#f4f4f5;--color-neutral-200:#e4e4e7;--color-neutral-300:#d4d4d8;--color-neutral-400:#a1a1aa;--color-neutral-500:#71717a;--color-neutral-600:#52525b;--color-neutral-700:#3f3f46;--color-neutral-800:#27272a;--color-neutral-900:#18181b;--color-neutral-950:#09090b;--color-blue-50:#eff6ff;--color-blue-100:#dbeafe;--color-blue-200:#bfdbfe;--color-blue-500:#3b82f6;--color-blue-600:#2563eb;--color-blue-700:#1d4ed8;--color-blue-800:#1e40af;--color-blue-900:#1e3a8a;--color-purple-500:#8b5cf6;--color-purple-600:#7c3aed;--color-purple-700:#6d28d9;--color-success-50:#f0fdf4;--color-success-500:#22c55e;--color-success-600:#16a34a;--color-success-700:#15803d;--color-error-50:#fef2f2;--color-error-500:#ef4444;--color-error-600:#dc2626;--color-error-700:#991b1b;--color-warning-50:#fffbeb;--color-warning-500:#f59e0b;--color-warning-600:#d97706;--bg-page:var(--color-neutral-50);--bg-surface:#ffffff;--bg-surface-secondary:var(--color-neutral-100);--bg-surface-hover:var(--color-neutral-200);--bg-overlay:rgba(0,0,0,0.5);--bg-code:var(--color-neutral-900);--text-primary:var(--color-neutral-950);--text-secondary:var(--color-neutral-600);--text-tertiary:var(--color-neutral-500);--text-inverse:#ffffff;--text-link:var(--color-blue-600);--text-link-hover:var(--color-blue-700);--text-code:var(--color-neutral-300);--border-subtle:var(--color-neutral-200);--border-default:var(--color-neutral-300);--border-strong:var(--color-neutral-400);--border-focus:var(--color-blue-500);--brand-primary:var(--color-blue-600);--brand-primary-hover:var(--color-blue-700);--brand-primary-active:var(--color-blue-800);--brand-secondary:var(--color-purple-500);--brand-gradient:linear-gradient(135deg,var(--color-blue-500) 0%,var(--color-purple-500) 100%);--status-success:var(--color-success-600);--status-error:var(--color-error-600);--status-warning:var(--color-warning-600);--status-info:var(--color-blue-600);--space-0:0;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--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-xs:var(--space-1);--space-sm:var(--space-2);--space-md:var(--space-4);--space-lg:var(--space-6);--space-xl:var(--space-8);--space-2xl:var(--space-12);--space-3xl:var(--space-16);--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Helvetica Neue",sans-serif;--font-mono:"JetBrains Mono","Consolas","Monaco","Courier New",monospace;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--text-5xl:3rem;--font-light:300;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--leading-none:1;--leading-tight:1.25;--leading-snug:1.375;--leading-normal:1.5;--leading-relaxed:1.625;--leading-loose:2;--tracking-tighter:-0.05em;--tracking-tight:-0.025em;--tracking-normal:0;--tracking-wide:0.025em;--tracking-wider:0.05em;--radius-none:0;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--shadow-xs:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-sm:0 1px 3px 0 rgba(0,0,0,0.1),0 1px 2px -1px rgba(0,0,0,0.1);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -2px rgba(0,0,0,0.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -4px rgba(0,0,0,0.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,0.1),0 8px 10px -6px rgba(0,0,0,0.1);--shadow-2xl:0 25px 50px -12px rgba(0,0,0,0.25);--shadow-inner:inset 0 2px 4px 0 rgba(0,0,0,0.05);--shadow-focus:0 0 0 3px rgba(59,130,246,0.1);--shadow-brand:0 4px 12px rgba(59,130,246,0.15);--shadow-brand-lg:0 10px 30px rgba(59,130,246,0.2);--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition-base:200ms cubic-bezier(0.4,0,0.2,1);--transition-slow:300ms cubic-bezier(0.4,0,0.2,1);--transition-slower:500ms cubic-bezier(0.4,0,0.2,1);--z-base:0;--z-dropdown:1000;--z-sticky:1100;--z-fixed:1200;--z-modal-backdrop:1300;--z-modal:1400;--z-popover:1500;--z-tooltip:1600;--breakpoint-sm:640px;--breakpoint-md:768px;--breakpoint-lg:1024px;--breakpoint-xl:1280px;--breakpoint-2xl:1536px;--max-w-xs:20rem;--max-w-sm:24rem;--max-w-md:28rem;--max-w-lg:32rem;--max-w-xl:36rem;--max-w-2xl:42rem;--max-w-3xl:48rem;--max-w-4xl:56rem;--max-w-5xl:64rem;--max-w-6xl:72rem;--max-w-7xl:80rem;--max-w-full:100%}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);background:var(--bg-page);min-height:100vh}body,h1,h2,h3,h4,h5,h6{color:var(--text-primary)}h1,h2,h3,h4,h5,h6{font-weight:var(--font-semibold);line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);margin-bottom:var(--space-4)}h1{font-size:clamp(var(--text-3xl),5vw,var(--text-5xl));font-weight:var(--font-bold)}h2{font-size:clamp(var(--text-2xl),4vw,var(--text-4xl))}h3{font-size:clamp(var(--text-xl),3vw,var(--text-3xl))}h4{font-size:var(--text-xl)}h5{font-size:var(--text-lg)}h6{font-size:var(--text-base)}p{margin-bottom:var(--space-4);line-height:var(--leading-relaxed)}a{color:var(--text-link);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--text-link-hover)}code,pre{font-family:var(--font-mono);font-size:var(--text-sm)}code{background:var(--bg-surface-secondary);padding:.125rem .375rem;border-radius:var(--radius-sm);color:var(--text-primary)}pre{background:var(--bg-code);color:var(--text-code);padding:var(--space-4);border-radius:var(--radius-md);overflow-x:auto;margin-bottom:var(--space-4)}pre code{background:none;padding:0;color:inherit}input,select,textarea{font-family:var(--font-sans);font-size:var(--text-base);padding:var(--space-3) var(--space-4);border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--bg-surface);color:var(--text-primary);transition:all var(--transition-base);width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--border-focus);box-shadow:var(--shadow-focus)}input::placeholder,textarea::placeholder{color:var(--text-tertiary)}input:disabled,select:disabled,textarea:disabled{background:var(--bg-surface-secondary);cursor:not-allowed;opacity:.6}button{font-family:var(--font-sans);font-size:var(--text-base);font-weight:var(--font-medium);padding:var(--space-3) var(--space-6);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2)}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand-gradient);color:var(--text-inverse);box-shadow:var(--shadow-brand)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-brand-lg)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--bg-surface);color:var(--brand-primary);border:1px solid var(--border-default)}.btn-secondary:hover:not(:disabled){background:var(--bg-surface-hover);border-color:var(--brand-primary)}.btn-danger{background:linear-gradient(135deg,var(--color-error-600) 0,var(--color-error-700) 100%);color:var(--text-inverse);box-shadow:0 4px 12px rgba(220,38,38,.2)}.btn-danger:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 20px rgba(220,38,38,.3)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid transparent}.btn-ghost:hover:not(:disabled){background:var(--bg-surface-secondary);color:var(--text-primary)}.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-6);box-shadow:var(--shadow-sm);transition:all var(--transition-base)}.card:hover{border-color:var(--border-default);box-shadow:var(--shadow-md)}.card-header{margin-bottom:var(--space-4);padding-bottom:var(--space-4);border-bottom:1px solid var(--border-subtle)}.card-footer{margin-top:var(--space-4);padding-top:var(--space-4);border-top:1px solid var(--border-subtle)}.badge{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-3);font-size:var(--text-xs);font-weight:var(--font-medium);border-radius:var(--radius-full);background:var(--bg-surface-secondary);color:var(--text-secondary)}.badge-success{background:var(--color-success-50);color:var(--status-success)}.badge-error{background:var(--color-error-50);color:var(--status-error)}.badge-warning{background:var(--color-warning-50);color:var(--status-warning)}.badge-info{background:var(--color-blue-50);color:var(--status-info)}.container{width:100%;max-width:var(--max-w-7xl);margin-left:auto;margin-right:auto;padding-left:var(--space-4);padding-right:var(--space-4)}.container-sm{max-width:var(--max-w-3xl)}.container-md{max-width:var(--max-w-5xl)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-tertiary{color:var(--text-tertiary)}.font-bold{font-weight:var(--font-bold)}.font-semibold{font-weight:var(--font-semibold)}.font-medium{font-weight:var(--font-medium)}.mt-0{margin-top:0}.mt-1{margin-top:var(--space-1)}.mt-2{margin-top:var(--space-2)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mt-8{margin-top:var(--space-8)}.mb-0{margin-bottom:0}.mb-1{margin-bottom:var(--space-1)}.mb-2{margin-bottom:var(--space-2)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.mb-8{margin-bottom:var(--space-8)}.flex{display:flex}.inline-flex{display:inline-flex}.grid{display:grid}.hidden{display:none}.flex-col{flex-direction:column}.flex-row{flex-direction:row}.items-center{align-items:center}.items-start{align-items:flex-start}.items-end{align-items:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.gap-1{gap:var(--space-1)}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}.gap-8{gap:var(--space-8)}#login-section,#user-section{padding:var(--space-xl);border:1px solid var(--border-default);border-radius:var(--radius-lg);margin-top:var(--space-xl);background:rgba(39,39,42,.5);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}#welcome-message{font-size:clamp(1.125rem,2.5vw,1.25rem);margin-bottom:var(--space-lg);color:var(--text-primary);font-weight:500}#user-permissions{margin-top:var(--space-lg);padding:var(--space-lg);background:var(--bg-tertiary);border-radius:var(--radius-md);border:1px solid var(--border-subtle)}#admin-section{margin-top:var(--space-2xl);padding-top:var(--space-xl);border-top:1px solid var(--border-default)}.users-grid{display:grid;grid-gap:var(--space-lg);gap:var(--space-lg);margin:var(--space-xl) 0}.user-card{padding:var(--space-lg);border:1px solid var(--border-default);border-radius:var(--radius-lg);background:rgba(39,39,42,.5);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;gap:var(--space-md);transition:all .2s ease}.user-card:hover{border-color:var(--accent-blue);box-shadow:0 4px 16px rgba(59,130,246,.1)}.user-header{display:flex;align-items:center;gap:var(--space-md)}.username-input{font-size:.9375rem;padding:var(--space-sm);border:1px solid var(--border-default);border-radius:var(--radius-sm);width:100%;background:var(--bg-tertiary);color:var(--text-primary);font-family:var(--font-body)}.user-permissions{display:flex;flex-wrap:wrap;gap:var(--space-md)}.permission-toggle{display:flex;align-items:center;gap:var(--space-sm);cursor:pointer;color:var(--text-secondary);transition:color .2s ease}.permission-toggle:hover{color:var(--text-primary)}.permission-toggle input[type=checkbox]{width:auto;margin:0;cursor:pointer;accent-color:var(--accent-blue)}.permission-toggle input[type=checkbox]:disabled{cursor:not-allowed;opacity:.5}.delete-btn{background:linear-gradient(135deg,#dc2626,#991b1b);color:white;border:none;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);cursor:pointer;margin-top:auto;font-family:var(--font-body);font-weight:500;font-size:.875rem;transition:all .2s ease;box-shadow:0 2px 8px rgba(220,38,38,.2)}.delete-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(220,38,38,.3)}.delete-btn:active{transform:translateY(0)}.permissions{margin-top:var(--space-md);font-size:.875rem;color:var(--text-tertiary);font-family:var(--font-mono);line-height:1.6}.sign-out-btn{margin-top:var(--space-xl);background:rgba(113,113,122,.2);border:1px solid var(--border-default);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:none}.sign-out-btn:hover{background:rgba(113,113,122,.3);border-color:var(--text-tertiary);box-shadow:0 2px 8px rgba(0,0,0,.2)}