:root{--color-bg: #0f1117;--color-surface: #1a1d27;--color-surface-hover: #22263a;--color-surface-alt: #141720;--color-border: #2a2e3e;--color-border-hover: #3d4260;--color-primary: #6c5ce7;--color-primary-hover: #7e70f0;--color-primary-glow: rgba(108, 92, 231, .25);--color-accent: #00cec9;--color-accent-hover: #00e0db;--color-success: #00b894;--color-warning: #fdcb6e;--color-danger: #e17055;--color-danger-hover: #e8836c;--color-text: #e4e6f0;--color-text-secondary: #8b8fa3;--color-text-muted: #5a5e72;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .8125rem;--font-size-base: .9375rem;--font-size-lg: 1.125rem;--font-size-xl: 1.5rem;--font-size-2xl: 2rem;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px var(--color-primary-glow);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}.app-layout{min-height:100vh;display:flex;flex-direction:column}.page-container{max-width:960px;margin:0 auto;padding:var(--space-xl) var(--space-lg);width:100%;animation:fadeIn .4s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.navbar{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:0 var(--space-lg);height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#1a1d27d9}.navbar-brand{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text);display:flex;align-items:center;gap:var(--space-sm)}.navbar-brand-icon{width:28px;height:28px;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:14px}.navbar-links{display:flex;align-items:center;gap:var(--space-xs)}.navbar-link{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary);transition:all var(--transition-fast);cursor:pointer;border:none;background:none}.navbar-link:hover,.navbar-link.active{color:var(--color-text);background:var(--color-surface-hover)}.navbar-right{display:flex;align-items:center;gap:var(--space-sm)}.lang-toggle{display:flex;border:1px solid var(--color-border);border-radius:var(--radius-full);overflow:hidden}.lang-toggle button{padding:4px 10px;font-size:var(--font-size-xs);font-weight:600;border:none;background:transparent;color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast);font-family:var(--font-family)}.lang-toggle button.active{background:var(--color-primary);color:#fff}.lang-toggle button:hover:not(.active){color:var(--color-text-secondary)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);transition:border-color var(--transition-base),box-shadow var(--transition-base)}.card:hover{border-color:var(--color-border-hover)}.card-header{margin-bottom:var(--space-lg)}.card-title{font-size:var(--font-size-xl);font-weight:700;color:var(--color-text)}.card-subtitle{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-top:var(--space-xs)}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);margin-bottom:var(--space-sm);text-transform:uppercase;letter-spacing:.5px}.form-input,.form-select{width:100%;padding:10px 14px;font-size:var(--font-size-base);font-family:var(--font-family);background:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);outline:none}.form-input::placeholder{color:var(--color-text-muted)}.form-input:focus,.form-select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-glow)}.form-input[type=number]::-webkit-inner-spin-button,.form-input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.form-input[type=number]{-moz-appearance:textfield}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b8fa3' d='M6 8.5L1 3.5h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;cursor:pointer}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:10px 20px;font-size:var(--font-size-base);font-weight:600;font-family:var(--font-family);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);text-decoration:none;line-height:1.4}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--color-primary),#7e70f0);color:#fff;box-shadow:var(--shadow-sm),0 0 16px var(--color-primary-glow)}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--color-primary-hover),#8f84f5);box-shadow:var(--shadow-md),var(--shadow-glow);transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--color-surface-hover);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-surface);border-color:var(--color-border-hover)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--color-danger-hover)}.btn-sm{padding:6px 14px;font-size:var(--font-size-sm);border-radius:var(--radius-sm)}.btn-block{width:100%}.badge{display:inline-flex;align-items:center;padding:3px 10px;font-size:var(--font-size-xs);font-weight:600;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.5px}.badge-success{background:#00b89426;color:var(--color-success)}.badge-warning{background:#fdcb6e26;color:var(--color-warning)}.badge-danger{background:#e1705526;color:var(--color-danger)}.alert{padding:var(--space-md) var(--space-lg);border-radius:var(--radius-md);font-size:var(--font-size-sm);margin-bottom:var(--space-lg);border:1px solid}.alert-success{background:#00b8941a;border-color:#00b8944d;color:var(--color-success)}.alert-error{background:#e170551a;border-color:#e170554d;color:var(--color-danger)}.alert-info{background:#6c5ce71a;border-color:#6c5ce74d;color:var(--color-primary)}.table-container{overflow-x:auto}table.data-table{width:100%;border-collapse:collapse}table.data-table th{text-align:left;padding:var(--space-md) var(--space-lg);font-size:var(--font-size-xs);font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--color-border)}table.data-table td{padding:var(--space-md) var(--space-lg);font-size:var(--font-size-sm);border-bottom:1px solid var(--color-border);vertical-align:middle}table.data-table tr:last-child td{border-bottom:none}table.data-table tr:hover td{background:var(--color-surface-hover)}.empty-state{text-align:center;padding:var(--space-2xl);color:var(--color-text-secondary)}.empty-state-icon{font-size:48px;margin-bottom:var(--space-md);opacity:.4}.empty-state-text{font-size:var(--font-size-base);margin-bottom:var(--space-sm)}.empty-state-hint{font-size:var(--font-size-sm);color:var(--color-text-muted)}.steps-container{display:flex;flex-direction:column;gap:var(--space-md);margin-top:var(--space-xl);text-align:left}.step-item{display:flex;gap:var(--space-md);align-items:flex-start;background:var(--color-surface-alt);padding:var(--space-lg);border-radius:var(--radius-md);border:1px solid var(--color-border);transition:all var(--transition-fast)}.step-item:hover{border-color:var(--color-border-hover);background:var(--color-surface-hover)}.step-icon{width:32px;height:32px;background:#6c5ce726;color:var(--color-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;font-size:var(--font-size-sm)}.step-content{flex:1}.step-content h3{font-size:var(--font-size-base);margin-bottom:4px;color:var(--color-text);font-weight:600}.step-content p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.5}.section{margin-bottom:var(--space-xl)}.section-title{font-size:var(--font-size-lg);font-weight:700;margin-bottom:var(--space-lg);display:flex;align-items:center;justify-content:space-between}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-lg);background:var(--color-bg)}.auth-card{width:100%;max-width:420px}.auth-header{text-align:center;margin-bottom:var(--space-xl)}.auth-logo{width:48px;height:48px;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto var(--space-md)}.auth-title{font-size:var(--font-size-2xl);font-weight:700}.auth-subtitle{color:var(--color-text-secondary);font-size:var(--font-size-sm);margin-top:var(--space-xs)}.auth-footer{text-align:center;margin-top:var(--space-lg);font-size:var(--font-size-sm);color:var(--color-text-secondary)}.connection-card{background:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg);display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.connection-card:hover{border-color:var(--color-border-hover);box-shadow:0 2px 12px #0003}.connection-info{display:flex;align-items:center;gap:var(--space-md)}.connection-icon{width:44px;height:44px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:var(--font-size-sm);color:#fff;overflow:hidden;flex-shrink:0}.connection-icon.backmarket,.connection-icon.refurbed{background:#fff}.connection-icon img{width:100%;height:100%;object-fit:contain;padding:4px}.connection-details h4{font-size:var(--font-size-base);font-weight:600}.connection-details span{font-size:var(--font-size-xs);color:var(--color-text-muted)}.connection-actions{display:flex;gap:var(--space-sm)}.company-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);margin-bottom:var(--space-xl);background:var(--color-bg);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.company-card:hover{border-color:var(--color-border-hover)}.company-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--space-lg)}.company-card-name{font-size:var(--font-size-lg);font-weight:700;margin:0 0 var(--space-sm) 0}.company-card-address{font-size:var(--font-size-sm);color:var(--color-text-muted);line-height:1.6}.company-card-actions{display:flex;gap:var(--space-sm);flex-shrink:0}.company-connections-section{margin-top:var(--space-lg);border-top:1px solid var(--color-border);padding-top:var(--space-lg)}.company-connections-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md)}.marketplace-selector{display:flex;flex-direction:column;gap:var(--space-sm)}.marketplace-option{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-alt);cursor:pointer;transition:all var(--transition-fast)}.marketplace-option:hover{border-color:var(--color-border-hover);background:var(--color-surface-hover)}.marketplace-option.selected{border-color:var(--color-primary);background:#6c5ce714;box-shadow:0 0 0 1px var(--color-primary-glow)}.marketplace-option-logo{width:36px;height:36px;border-radius:var(--radius-sm);background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}.marketplace-option-logo img{width:100%;height:100%;object-fit:contain;padding:3px}.marketplace-option-info{flex:1;min-width:0}.marketplace-option-name{font-size:var(--font-size-base);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.marketplace-option-company{font-size:var(--font-size-xs);color:var(--color-text-muted)}.marketplace-option-check{width:20px;height:20px;border-radius:50%;border:2px solid var(--color-border);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all var(--transition-fast)}.marketplace-option.selected .marketplace-option-check{border-color:var(--color-primary);background:var(--color-primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:200;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease}.modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);width:100%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-title{font-size:var(--font-size-xl);font-weight:700;margin-bottom:var(--space-lg)}.modal-actions{display:flex;gap:var(--space-md);justify-content:flex-end;margin-top:var(--space-xl)}.modal .form-group{margin-bottom:12px}.modal .form-label{margin-bottom:var(--space-xs);font-size:var(--font-size-xs)}.modal .form-input,.modal .form-select{padding:8px 12px;font-size:var(--font-size-sm)}.spinner{width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 640px){.form-row{grid-template-columns:1fr}.navbar{padding:0 var(--space-md)}.page-container{padding:var(--space-lg) var(--space-md)}.connection-card{flex-direction:column;align-items:flex-start;gap:var(--space-md)}.company-card-header{flex-direction:column;gap:var(--space-md)}}