:root{--color-primary: #1a1a1a;--color-secondary: #f97316;--color-text-main: #2d3748;--color-text-muted: #718096;--color-bg-base: #f7fcff;--color-bg-panel: #ffffff;--color-border: #e2e8f0;--color-success: #38a169;--color-warning: #dd6b20;--color-danger: #e53e3e;--color-info: #3182ce;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-full: 9999px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background-color:var(--color-bg-base);color:var(--color-text-main);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh}.app-container{display:flex;min-height:100vh}.main-content{flex:1;display:flex;flex-direction:column;padding:2rem;overflow-y:auto;margin-left:280px;transition:all .3s ease}.card{background-color:var(--color-bg-panel);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);padding:1.5rem;transition:box-shadow .2s ease}.card:hover{box-shadow:var(--shadow-md)}.page-header{margin-bottom:2rem;display:flex;justify-content:space-between;align-items:center}.page-title{font-size:1.875rem;font-weight:700;color:var(--color-primary)}.page-subtitle{color:var(--color-text-muted);font-size:.875rem;margin-top:.25rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;font-size:.875rem;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all .2s ease}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:#152943}.btn-secondary{background-color:var(--color-secondary);color:#fff}.btn-secondary:hover{background-color:#b59043}.btn-outline{background-color:transparent;border:1px solid var(--color-border);color:var(--color-text-main)}.btn-outline:hover{background-color:var(--color-bg-base);border-color:var(--color-text-muted)}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.5rem;color:var(--color-text-main)}.form-control{width:100%;padding:.625rem .875rem;font-size:.875rem;line-height:1.5;color:var(--color-text-main);background-color:var(--color-bg-panel);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color .15s ease-in-out,box-shadow .15s ease-in-out}.form-control:focus{outline:none;border-color:var(--color-secondary);box-shadow:0 0 0 3px #f9731633}.badge{display:inline-block;padding:.25em .6em;font-size:.75rem;font-weight:600;line-height:1;text-align:center;border-radius:var(--radius-full)}.badge-success{background-color:#c6f6d5;color:#22543d}.badge-warning{background-color:#feebc8;color:#7b341e}.badge-danger{background-color:#fed7d7;color:#742a2a}.badge-info{background-color:#bee3f8;color:#2a4365}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{display:flex;align-items:center;padding:1.5rem}.stat-icon{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin-right:1rem}.stat-details h3{font-size:.875rem;color:var(--color-text-muted);font-weight:500}.stat-details .value{font-size:1.5rem;font-weight:700;color:var(--color-text-main);margin-top:.25rem}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal-content{background-color:var(--color-bg-panel);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:500px;max-height:90vh;overflow-y:auto;padding:2rem;position:relative}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-title{font-size:1.25rem;font-weight:600;color:var(--color-text-main)}.modal-close{background:transparent;border:none;color:var(--color-text-muted);cursor:pointer;padding:.25rem;display:flex;align-items:center;justify-content:center;transition:color .15s}.modal-close:hover{color:var(--color-danger)}.modal-footer{margin-top:2rem;display:flex;justify-content:flex-end;gap:1rem}.modal-footer .btn{min-width:120px}.dropdown-item{display:block;width:100%;padding:.75rem 1rem;text-align:left;background:none;border:none;cursor:pointer;font-size:.875rem;color:var(--color-text-main);transition:background-color .2s,color .2s}.dropdown-item:hover{background-color:var(--color-bg-base);color:var(--color-primary)}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background-color:var(--color-primary);background-image:radial-gradient(circle at top right,rgba(249,115,22,.15) 0%,transparent 40%),radial-gradient(circle at bottom left,rgba(249,115,22,.08) 0%,transparent 40%);padding:1rem}.login-box{background-color:var(--color-bg-panel);width:100%;max-width:440px;border-radius:var(--radius-lg);box-shadow:0 25px 50px -12px #00000080;padding:3rem 2.5rem}.login-header{text-align:center;margin-bottom:2.5rem}.login-header h2{font-size:1.8rem;color:var(--color-primary);margin-bottom:.25rem}.login-header p{color:var(--color-text-muted);font-size:.95rem}.login-form{display:flex;flex-direction:column}.login-form .form-group{margin-bottom:1.5rem}.input-with-icon{position:relative;display:flex;align-items:center}.input-with-icon .input-icon{position:absolute;left:1rem;color:var(--color-text-muted)}.input-with-icon input{width:100%;padding:.75rem 1rem .75rem 2.75rem;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:1rem;transition:all .2s}.input-with-icon input:focus{outline:none;border-color:var(--color-secondary);box-shadow:0 0 0 3px #f9731626}.login-btn{width:100%;padding:.875rem;font-size:1rem;margin-top:1rem}.login-error{display:flex;align-items:center;gap:.5rem;background-color:#fef2f2;color:var(--color-danger);padding:.75rem 1rem;border-radius:var(--radius-md);border-left:4px solid var(--color-danger);margin-bottom:1.5rem;font-size:.9rem}.login-footer{text-align:center;margin-top:2rem;font-size:.8rem;color:var(--color-text-muted)}.sidebar{width:280px;background-color:var(--color-primary);color:#fff;height:100vh;position:fixed;left:0;top:0;display:flex;flex-direction:column;z-index:100;box-shadow:4px 0 10px #0000001a}.sidebar-header{padding:2rem 1.5rem;display:flex;align-items:center;gap:1rem;border-bottom:1px solid rgba(255,255,255,.1)}.brand-icon{color:var(--color-secondary)}.brand-text h2{font-size:1.5rem;font-weight:700;letter-spacing:1px;line-height:1.2}.brand-text span{font-size:.75rem;color:#a0aec0;text-transform:uppercase;letter-spacing:2px}.sidebar-nav{flex:1;padding:2rem 0;overflow-y:auto}.nav-list{list-style:none}.nav-link{display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;color:#cbd5e0;text-decoration:none;font-weight:500;transition:all .2s ease;border-left:3px solid transparent}.nav-link:hover{background-color:#ffffff0d;color:#fff}.nav-link.active{background-color:#c9a0501a;color:var(--color-secondary);border-left-color:var(--color-secondary)}.sidebar-footer{padding:1rem 0;border-top:1px solid rgba(255,255,255,.1)}.top-header{display:flex;justify-content:flex-end;align-items:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--color-border)}.user-profile{display:flex;align-items:center;gap:.75rem;cursor:pointer}.avatar{width:40px;height:40px;border-radius:50%;background-color:var(--color-secondary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.125rem}.user-profile span{font-weight:500}.page-wrapper{animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}