:root{--bg-dark: #0f1115;--bg-panel: rgba(25, 28, 33, .6);--bg-panel-solid: #191c21;--bg-hover: rgba(255, 255, 255, .08);--bg-active: rgba(138, 180, 248, .15);--text-primary: #e8eaed;--text-secondary: #9aa0a6;--text-muted: #5f6368;--accent-blue: #8ab4f8;--accent-blue-hover: #aecbfa;--accent-green: #81c995;--accent-red: #f28b82;--accent-yellow: #fde293;--border-color: rgba(255, 255, 255, .1);--border-highlight: rgba(138, 180, 248, .3);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--blur-radius: 12px;--panel-shadow: 0 8px 32px rgba(0, 0, 0, .4);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-standard: .3s cubic-bezier(.4, 0, .2, 1);--sidebar-width: 300px;--header-height: auto;--theme-glow-opacity: 1}.light-theme{--bg-dark: #f0f4f8;--bg-panel: #ffffff;--bg-panel-solid: #ffffff;--sidebar-bg: #ffffff;--topbar-bg: #ffffff;--layout-panel-bg: #ffffff;--theme-glow-opacity: .3;--bg-hover: rgba(0, 0, 0, .05);--bg-active: rgba(138, 180, 248, .2);--text-primary: #1f2937;--text-secondary: #4b5563;--text-muted: #6b7280;--accent-blue: #3b82f6;--accent-blue-hover: #2563eb;--accent-green: #059669;--accent-red: #dc2626;--accent-yellow: #d97706;--border-color: rgba(0, 0, 0, .1);--border-highlight: rgba(59, 130, 246, .3);--panel-shadow: 0 12px 32px rgba(0, 0, 0, .05)}.light-theme .input-glass,.light-theme .btn-glass{background:#ffffffb3;color:var(--text-primary)}*{box-sizing:border-box;margin:0;padding:0}html{font-size:100%}body{font-family:var(--font-family);background-color:var(--bg-dark);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}.glass-panel{background:var(--bg-panel);backdrop-filter:blur(var(--blur-radius));-webkit-backdrop-filter:blur(var(--blur-radius));border:1px solid var(--border-color);border-radius:12px;box-shadow:var(--panel-shadow)}h1,h2,h3,h4,h5,h6{font-weight:500;color:var(--text-primary)}h1{font-size:1.5rem;letter-spacing:-.01em}h2{font-size:1.25rem}h3{font-size:1.1rem}.text-muted{color:var(--text-secondary);font-size:.95rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);border:1px solid transparent;background:transparent;color:var(--text-primary);outline:none}.btn:hover{background:var(--bg-hover)}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent-blue);color:var(--bg-dark);border-color:var(--accent-blue)}.btn-primary:hover{background:var(--accent-blue-hover);border-color:var(--accent-blue-hover)}.btn-glass{background:#ffffff0d;border:1px solid var(--border-color);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.btn-glass:hover{background:#ffffff1a;border-color:var(--border-highlight)}.btn-outline{border:1px solid var(--border-color);background:transparent;color:var(--text-secondary)}.btn-outline:hover{border-color:var(--accent-blue);color:var(--accent-blue);background:#8ab4f80d}.btn-sm{padding:6px 12px;font-size:.85rem}.btn-lg{padding:10px 20px;font-size:1rem}.material-symbols-rounded{font-family:Material Symbols Rounded;font-weight:400;font-style:normal;font-size:20px;line-height:1;letter-spacing:normal;text-transform:none;display:inline-block;white-space:nowrap;word-wrap:normal;direction:ltr;-webkit-font-smoothing:antialiased}.input-glass{background:#00000026;border:1px solid var(--border-color);border-radius:10px;padding:10px 14px;color:var(--text-primary);font-family:var(--font-family);font-size:.9rem;transition:all var(--transition-fast);width:100%;max-width:100%;box-sizing:border-box}.input-glass:focus{outline:none;background:#00000040;border-color:var(--accent-blue);box-shadow:0 0 0 3px #8ab4f81a}.input-glass::placeholder{color:var(--text-muted)}select.input-glass{-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239aa0a6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px;cursor:pointer;line-height:1.2}select.input-glass option{background:#1e2128;color:var(--text-primary)}select.input-glass option:checked{background:#8ab4f833}select.input-glass:hover{border-color:#fff3}.input-glass.input-error{border-color:#f28b82;box-shadow:0 0 0 2px #f28b8233}.dim-error{display:block;color:#f28b82;font-size:.85rem;margin-top:4px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}@media (max-width: 900px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}.flex{display:flex}.flex-col{display:flex;flex-direction:column}.gap-2{gap:8px}.gap-4{gap:16px}.w-full{width:100%}.justify-between{justify-content:space-between}.items-center{align-items:center}.grid-2>*,.grid-3>*,.grid-4>*{min-width:0}.form-group{margin-bottom:14px;text-align:left}.form-label{display:block;margin-bottom:6px;font-size:.9rem;color:var(--text-secondary);font-weight:500}.text-danger{color:var(--accent-red);margin-left:2px}.animate-fade-in{animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.section-header-flex{display:flex;justify-content:space-between;align-items:center}.custom-bom-form{width:100%;margin:0;padding:16px 24px;min-width:0;overflow:hidden;box-sizing:border-box}.stage-tabs{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) transparent}.section-title{font-weight:600}.form-split-layout{display:flex;gap:24px;min-height:500px}.form-step-nav{width:320px;flex-shrink:0;display:flex;flex-direction:column;gap:4px;padding:16px;background:var(--bg-panel);border:1px solid var(--border-color);border-radius:16px;align-self:flex-start;box-shadow:var(--panel-shadow)}.step-nav-item{position:relative;display:flex;align-items:center;gap:16px;padding:14px 16px;cursor:pointer;border-radius:12px;transition:all .2s ease}.step-nav-item:not(:last-child):after{content:"";position:absolute;left:35px;top:52px;bottom:-4px;width:2px;background:var(--border-color);z-index:0}.step-nav-item.completed:not(:last-child):after{background:#81c99566}.step-nav-item:hover{background:var(--bg-hover)}.step-nav-item.active{background:var(--bg-active)}.step-nav-item.completed{color:var(--accent-green)}.step-nav-item.locked{opacity:.4;cursor:not-allowed}.step-nav-circle{position:relative;z-index:1;width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;flex-shrink:0;transition:all .25s cubic-bezier(.4,0,.2,1);border:2px solid transparent}.step-nav-circle.active{background:var(--accent-blue);color:#fff}.step-nav-circle.completed{background:#81c99533;color:var(--accent-green);border-color:#81c9954d}.step-nav-circle.locked{background:#ffffff0a;color:var(--text-muted);border-color:#ffffff14}.step-nav-label{font-size:1.1rem;font-weight:600;color:var(--text-secondary);white-space:normal;line-height:1.4}.step-nav-item.active .step-nav-label{color:var(--text-primary);font-weight:600}.form-step-content{flex:1;min-width:0;width:0;padding:20px 24px;background:var(--bg-panel);border:1px solid var(--border-color);border-radius:12px;overflow:auto}.step-panel{animation:fadeIn .2s ease-out;max-width:100%;overflow:hidden}.step-panel-actions{display:flex;justify-content:flex-end;margin-top:20px;padding-top:14px;border-top:1px solid var(--border-color)}.form-summary-panel{width:400px;flex-shrink:0;background:var(--bg-panel-solid);border:1px solid var(--border-color);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--panel-shadow);height:fit-content;position:sticky;top:0}.summary-header{font-size:.95rem;font-weight:600;color:var(--text-primary);margin-bottom:4px;display:flex;align-items:center;gap:8px}.summary-item{display:flex;flex-direction:column;gap:4px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.05)}.summary-item:last-child{border-bottom:none}.summary-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.summary-val{font-size:.9rem;color:var(--text-primary);font-weight:500;word-wrap:break-word}.field-row{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:8px}.field-row.field-row-3{grid-template-columns:repeat(3,1fr);gap:20px}.field-row>*{min-width:0;overflow:hidden}.field-row .form-group{min-width:0;overflow:hidden}.field-row .form-group>div{min-width:0;overflow:hidden}@media (max-width: 900px){.form-split-layout{flex-direction:column;gap:12px}.form-step-nav{width:100%;flex-direction:row;overflow-x:auto;padding:8px}.step-nav-item{padding:8px 12px}.form-step-content{padding:16px}.field-row,.field-row.field-row-3{grid-template-columns:1fr}.form-summary-panel{display:none}}