@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary:#f4f7fa;--bg-secondary:#fff;--bg-sidebar:#1e293b;--text-primary:#111827;--text-secondary:#6b7280;--text-inverse:#fff;--accent-blue:#3b82f6;--accent-blue-hover:#2563eb;--accent-green:#10b981;--accent-purple:#8b5cf6;--accent-orange:#f59e0b;--border-color:#e5e7eb;--sidebar-width:260px;--header-height:70px;--border-radius-sm:6px;--border-radius-md:12px;--border-radius-lg:20px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--glass-bg:#ffffffb3;--glass-border:#ffffff80;--glass-shadow:0 8px 32px 0 #1f268712}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:600}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;outline:none;font-family:inherit}input,select,textarea{outline:none;font-family:inherit}.app-container{height:100vh;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-width);background-color:var(--bg-sidebar);color:var(--text-inverse);z-index:100;box-shadow:var(--shadow-lg);flex-direction:column;transition:all .3s;display:flex}.sidebar-header{height:var(--header-height);letter-spacing:.5px;border-bottom:1px solid #ffffff1a;align-items:center;padding:0 24px;font-size:1.25rem;font-weight:700;display:flex}.sidebar-nav{flex:1;padding:24px 0;overflow-y:auto}.nav-item{color:#ffffffb3;align-items:center;gap:12px;padding:12px 24px;font-weight:500;transition:all .2s;display:flex}.nav-item:hover,.nav-item.active{color:var(--text-inverse);border-left:4px solid var(--accent-blue);background-color:#ffffff0d}.main-content{flex-direction:column;flex:1;display:flex;overflow:hidden}.top-header{height:var(--header-height);background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);z-index:10;justify-content:space-between;align-items:center;padding:0 32px;display:flex}.content-area{flex:1;padding:32px;overflow-y:auto}.card{background:var(--bg-secondary);border-radius:var(--border-radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);padding:24px;transition:box-shadow .3s,transform .3s}.card:hover{box-shadow:var(--shadow-md)}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--border-radius-lg);box-shadow:var(--glass-shadow);padding:32px}.btn{border-radius:var(--border-radius-sm);justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:.95rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--accent-blue);color:#fff}.btn-primary:hover{background-color:var(--accent-blue-hover);transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.btn-outline{color:var(--text-primary);border:1px solid var(--border-color);background-color:#0000}.btn-outline:hover{background-color:var(--bg-primary)}.btn-success{background-color:var(--accent-green);color:#fff}.btn-success:hover{background-color:#059669}.form-group{margin-bottom:20px}.form-label{color:var(--text-secondary);margin-bottom:8px;font-size:.875rem;font-weight:500;display:block}.form-control{border:1px solid var(--border-color);border-radius:var(--border-radius-sm);width:100%;color:var(--text-primary);background-color:var(--bg-secondary);padding:12px 16px;font-size:.95rem;transition:all .2s}.form-control:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #3b82f61a}.grid{gap:24px;display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}.flex{display:flex}.flex-col{flex-direction:column;display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-4{gap:16px}.gap-6{gap:24px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.text-2xl{font-size:1.5rem}.text-3xl{font-size:1.875rem}.font-bold{font-weight:700}.text-muted{color:var(--text-secondary)}.tile{border-radius:var(--border-radius-lg);color:#fff;cursor:pointer;flex-direction:column;justify-content:space-between;min-height:180px;padding:32px;transition:transform .3s,box-shadow .3s;display:flex;position:relative;overflow:hidden}.tile:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px)}.tile-icon{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#fff3;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin-bottom:16px;font-size:2rem;display:flex}.tile-title{margin-bottom:8px;font-size:1.5rem;font-weight:600}.tile-desc{opacity:.9;font-size:.9rem}.bg-gradient-blue{background:linear-gradient(135deg,#3b82f6 0%,#2563eb 100%)}.bg-gradient-green{background:linear-gradient(135deg,#10b981 0%,#059669 100%)}.bg-gradient-purple{background:linear-gradient(135deg,#8b5cf6 0%,#6d28d9 100%)}.bg-gradient-orange{background:linear-gradient(135deg,#f59e0b 0%,#d97706 100%)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.4s forwards fadeIn}.drawing-container{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius-md);justify-content:center;align-items:center;min-height:400px;padding:24px;display:flex;position:relative;overflow:hidden}.blueprint-grid{background-image:linear-gradient(90deg,#0000000d 1px,#0000 1px),linear-gradient(#0000000d 1px,#0000 1px);background-size:20px 20px}