.form-group{margin-bottom:var(--space-6)}.form-label{display:block;font-size:var(--font-size-sm);font-weight:600;color:var(--gray-700);margin-bottom:var(--space-2)}.form-input,.form-select{width:100%;padding:var(--space-3) var(--space-4);border:2px solid var(--gray-300);border-radius:var(--radius-lg);font-size:var(--font-size-base);background:#fff;transition:all var(--transition-fast)}.form-input:focus,.form-select:focus{outline:0;border-color:var(--primary-500);box-shadow:0 0 0 3px rgba(59,130,246,.1)}.form-help{font-size:var(--font-size-xs);color:var(--gray-500);margin-top:var(--space-1)}.form-error{font-size:var(--font-size-xs);color:var(--error-500);margin-top:var(--space-1)}.calculator-container{max-width:1200px;margin:0 auto;padding:var(--space-8) var(--space-4)}.calculator-header{text-align:center;margin-bottom:var(--space-12);padding-top:100px}.calculator-title{font-size:var(--font-size-4xl);font-weight:700;color:var(--gray-900);margin-bottom:var(--space-4)}.calculator-description{font-size:var(--font-size-lg);color:var(--gray-600);max-width:600px;margin:0 auto}.calculator-layout{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-8);align-items:start}.calculator-form{background:#fff;padding:var(--space-8);border-radius:var(--radius-2xl);box-shadow:var(--shadow-lg);border:1px solid var(--gray-200)}.calculator-results{background:#fff;padding:var(--space-8);border-radius:var(--radius-2xl);box-shadow:var(--shadow-lg);border:1px solid var(--gray-200);position:sticky;top:120px}.form-section{margin-bottom:var(--space-8)}.form-section:last-child{margin-bottom:0}.section-title{font-size:var(--font-size-lg);font-weight:600;color:var(--gray-800);margin-bottom:var(--space-4);padding-bottom:var(--space-2);border-bottom:2px solid var(--gray-200)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}.form-row.single{grid-template-columns:1fr}.range-group{margin-bottom:var(--space-6)}.range-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-3)}.range-value{font-weight:600;color:var(--primary-600);background:var(--primary-50);padding:var(--space-1) var(--space-3);border-radius:var(--radius-md);font-size:var(--font-size-sm)}.range-slider{width:100%;height:6px;border-radius:var(--radius-full);background:var(--gray-200);outline:0;-webkit-appearance:none;appearance:none}.range-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:var(--radius-full);background:var(--primary-600);cursor:pointer;box-shadow:var(--shadow-md);transition:all var(--transition-fast)}.range-slider::-webkit-slider-thumb:hover{background:var(--primary-700);transform:scale(1.1)}.range-slider::-moz-range-thumb{width:20px;height:20px;border-radius:var(--radius-full);background:var(--primary-600);cursor:pointer;border:none;box-shadow:var(--shadow-md);transition:all var(--transition-fast)}.range-slider::-moz-range-thumb:hover{background:var(--primary-700);transform:scale(1.1)}.result-card{background:linear-gradient(135deg,var(--primary-50),var(--primary-100));border:2px solid var(--primary-200);border-radius:var(--radius-xl);padding:var(--space-6);margin-bottom:var(--space-6);text-align:center}.result-label{font-size:var(--font-size-sm);color:var(--primary-700);font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-2)}.result-value{font-size:var(--font-size-3xl);font-weight:800;color:var(--primary-800);margin-bottom:var(--space-2)}.result-subtitle{font-size:var(--font-size-sm);color:var(--primary-600)}.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-4);margin-bottom:var(--space-8)}.result-item{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:var(--space-4);text-align:center}.result-item-label{font-size:var(--font-size-xs);color:var(--gray-600);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-1)}.result-item-value{font-size:var(--font-size-lg);font-weight:700;color:var(--gray-800)}.chart-container{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-xl);padding:var(--space-6);margin-bottom:var(--space-6)}.chart-title{font-size:var(--font-size-lg);font-weight:600;color:var(--gray-800);margin-bottom:var(--space-4);text-align:center}.chart-wrapper{position:relative;height:300px;margin-bottom:var(--space-4)}.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--gray-200)}.data-table th{background:var(--gray-50);color:var(--gray-700);font-weight:600;padding:var(--space-4);text-align:left;border-bottom:2px solid var(--gray-200);font-size:var(--font-size-sm);text-transform:uppercase;letter-spacing:.05em}.data-table td{padding:var(--space-4);border-bottom:1px solid var(--gray-200);color:var(--gray-700)}.data-table tr:hover{background:var(--gray-50)}.data-table tr:last-child td{border-bottom:none}.table-container{background:#fff;border-radius:var(--radius-xl);padding:var(--space-6);margin-bottom:var(--space-6);border:1px solid var(--gray-200);overflow-x:auto}.table-title{font-size:var(--font-size-lg);font-weight:600;color:var(--gray-800);margin-bottom:var(--space-4)}.tabs-container{margin-bottom:var(--space-6)}.tabs-nav{display:flex;border-bottom:2px solid var(--gray-200);margin-bottom:var(--space-6)}.tab-button{padding:var(--space-3) var(--space-6);border:none;background:0 0;color:var(--gray-600);font-weight:500;cursor:pointer;border-bottom:2px solid transparent;transition:all var(--transition-fast)}.tab-button.active{color:var(--primary-600);border-bottom-color:var(--primary-600)}.tab-button:hover{color:var(--primary-500)}.tab-content{display:none}.tab-content.active{display:block}.alert{padding:var(--space-4);border-radius:var(--radius-lg);margin-bottom:var(--space-4);border:1px solid}.alert-success{background:#f0fdf4;color:#166534;border-color:#bbf7d0}.alert-error{background:#fef2f2;color:#991b1b;border-color:#fecaca}.alert-warning{background:#fffbeb;color:#92400e;border-color:#fed7aa}.alert-info{background:#eff6ff;color:#1e40af;border-color:#bfdbfe}.loading-spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--gray-300);border-radius:var(--radius-full);border-top-color:var(--primary-600);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;border-radius:var(--radius-xl)}.tooltip{position:relative;display:inline-block}.tooltip-content{position:absolute;bottom:125%;left:50%;transform:translateX(-50%);background:var(--gray-900);color:#fff;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);font-size:var(--font-size-xs);white-space:nowrap;opacity:0;visibility:hidden;transition:all var(--transition-fast);z-index:var(--z-tooltip)}.tooltip:hover .tooltip-content{opacity:1;visibility:visible}.tooltip-content::after{content:'';position:absolute;top:100%;left:50%;transform:translateX(-50%);border:5px solid transparent;border-top-color:var(--gray-900)}.progress-bar{width:100%;height:8px;background:var(--gray-200);border-radius:var(--radius-full);overflow:hidden;margin-bottom:var(--space-4)}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-500),var(--primary-600));border-radius:var(--radius-full);transition:width var(--transition-normal)}.progress-label{display:flex;justify-content:space-between;align-items:center;font-size:var(--font-size-sm);color:var(--gray-600);margin-bottom:var(--space-2)}.badge{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.badge-primary{background:var(--primary-100);color:var(--primary-800)}.badge-success{background:#dcfce7;color:#166534}.badge-warning{background:#fef3c7;color:#92400e}.badge-error{background:#fee2e2;color:#991b1b}@media (max-width:1024px){.calculator-layout{grid-template-columns:1fr;gap:var(--space-6)}.calculator-results{position:static}}@media (max-width:768px){.calculator-container{padding:var(--space-6) var(--space-3)}.calculator-form,.calculator-results{padding:var(--space-6)}.form-row{grid-template-columns:1fr;gap:var(--space-3)}.result-grid{grid-template-columns:1fr}.tabs-nav{flex-wrap:wrap;gap:var(--space-2)}.tab-button{padding:var(--space-2) var(--space-4);font-size:var(--font-size-sm)}}@media (max-width:480px){.calculator-title{font-size:var(--font-size-3xl)}.result-value{font-size:var(--font-size-2xl)}.chart-wrapper{height:250px}.data-table{font-size:var(--font-size-sm)}.data-table td,.data-table th{padding:var(--space-3)}}@media print{.calculator-form{display:none}.calculator-results{box-shadow:none;border:1px solid var(--gray-400)}.chart-container{break-inside:avoid}.data-table{break-inside:avoid}}.participant-item{display:flex;align-items:center;gap:12px;margin-bottom:12px;padding:16px;border:1px solid #e5e7eb;border-radius:8px;background:#f9fafb}.participant-inputs{display:flex;gap:12px;flex:1}.participant-inputs .form-input,.participant-inputs .form-select{flex:1;margin:0}.btn-remove{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;background:#ef4444;color:#fff;border-radius:6px;cursor:pointer;transition:background-color .2s}.btn-remove:hover{background:#dc2626}.checkbox-group{margin-top:8px}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px;color:#374151}.checkbox-label input[type=checkbox]{width:16px;height:16px;accent-color:#3b82f6}.suggestions-header{margin-bottom:24px;text-align:center}.suggestions-header h4{font-size:1.25rem;font-weight:600;color:#1f2937;margin-bottom:8px}.suggestions-header p{color:#6b7280;font-size:14px}.suggestions-list{display:flex;flex-direction:column;gap:16px}.meeting-suggestion{border:1px solid #e5e7eb;border-radius:12px;padding:20px;background:#fff;transition:all .2s}.meeting-suggestion:hover{border-color:#3b82f6;box-shadow:0 4px 6px -1px rgba(0,0,0,.1)}.meeting-suggestion.selected{border-color:#10b981;background:#f0fdf4;box-shadow:0 4px 6px -1px rgba(16,185,129,.1)}.suggestion-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #f3f4f6}.suggestion-rank{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:#3b82f6;color:#fff;border-radius:50%;font-weight:600;font-size:14px}.suggestion-info{display:flex;flex-direction:column;align-items:center;gap:4px}.suggestion-rating{padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase}.rating-excellent{background:#dcfce7;color:#166534}.rating-good{background:#dbeafe;color:#1e40af}.rating-fair{background:#fef3c7;color:#92400e}.rating-poor{background:#fee2e2;color:#991b1b}.suggestion-time{font-size:18px;font-weight:600;color:#1f2937}.suggestion-participants{display:flex;flex-direction:column;gap:12px}.participant-time{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-radius:8px;transition:background-color .2s}.participant-time.business-hours{background:#dcfce7;border-left:4px solid #10b981}.participant-time.reasonable-hours{background:#dbeafe;border-left:4px solid #3b82f6}.participant-time.off-hours{background:#fef2f2;border-left:4px solid #ef4444}.participant-info{display:flex;flex-direction:column;gap:2px}.participant-name{font-weight:600;color:#1f2937;font-size:14px}.participant-location{font-size:12px;color:#6b7280}.participant-time-info{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.participant-time-value{font-weight:600;color:#1f2937;font-size:14px}.time-status{font-size:11px;color:#6b7280;display:flex;align-items:center;gap:4px}.no-suggestions{text-align:center;padding:40px 20px;color:#6b7280}.no-suggestions i{font-size:48px;color:#f59e0b;margin-bottom:16px}.no-suggestions h4{font-size:1.25rem;font-weight:600;color:#374151;margin-bottom:8px}.btn-small{padding:6px 12px;font-size:12px;height:auto}@media (max-width:768px){.participant-inputs{flex-direction:column;gap:8px}.participant-item{flex-direction:column;align-items:stretch}.suggestion-header{flex-direction:column;gap:12px;align-items:stretch}.participant-time{flex-direction:column;gap:8px;align-items:flex-start}.participant-time-info{align-items:flex-start}}.world-clock-section{margin-top:48px;padding:0 20px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.world-clock-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;max-width:1200px;margin:0 auto}.world-clock-item{background:#fff;border-radius:16px;padding:24px;box-shadow:0 4px 6px -1px rgba(0,0,0,.1);border:1px solid #e5e7eb;transition:all .2s ease;position:relative}.world-clock-item:hover{transform:translateY(-2px);box-shadow:0 8px 25px -5px rgba(0,0,0,.1)}.clock-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.clock-city{font-size:1.25rem;font-weight:700;color:#1f2937;line-height:1.2}.clock-remove{background:#fee2e2;color:#dc2626;border:none;border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;font-size:12px}.clock-remove:hover{background:#fecaca;transform:scale(1.1)}.clock-time{font-size:2.25rem;font-weight:800;color:#3b82f6;margin-bottom:8px;font-family:'Segoe UI',system-ui,-apple-system,sans-serif;letter-spacing:-.025em}.clock-date{font-size:.875rem;color:#6b7280;margin-bottom:12px;font-weight:500}.clock-country{font-size:.75rem;color:#9ca3af;text-transform:uppercase;letter-spacing:.05em;font-weight:600}.world-clock-item:nth-child(4n+1) .clock-time{color:#3b82f6}.world-clock-item:nth-child(4n+2) .clock-time{color:#10b981}.world-clock-item:nth-child(4n+3) .clock-time{color:#f59e0b}.world-clock-item:nth-child(4n+4) .clock-time{color:#ef4444}.world-clock-empty{text-align:center;padding:60px 20px;color:#6b7280;grid-column:1/-1}.world-clock-empty i{font-size:48px;color:#d1d5db;margin-bottom:16px}.world-clock-empty h4{font-size:1.125rem;font-weight:600;color:#374151;margin-bottom:8px}.world-clock-empty p{font-size:.875rem;color:#6b7280}@media (max-width:768px){.world-clock-section{padding:0 16px;margin-top:32px}.section-header{flex-direction:column;gap:16px;align-items:stretch}.world-clock-grid{grid-template-columns:1fr;gap:16px}.world-clock-item{padding:20px}.clock-time{font-size:2rem}.clock-city{font-size:1.125rem}}@media (max-width:480px){.world-clock-item{padding:16px}.clock-time{font-size:1.75rem}.section-header{gap:12px}}.impact-badge{display:inline-block;padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-top:var(--space-2)}.impact-badge.very-high-impact{background:#dcfce7;color:#166534}.impact-badge.high-impact{background:#dbeafe;color:#1e40af}.impact-badge.medium-impact{background:#fef3c7;color:#92400e}.impact-badge.low-impact{background:#fee2e2;color:#991b1b}.input-group{position:relative;display:flex;align-items:center}.input-group .form-input{flex:1}.input-prefix{position:absolute;left:var(--space-4);color:var(--gray-500);font-weight:500;z-index:1;pointer-events:none}.input-group .form-input:has(+ .input-suffix){padding-right:60px}.input-group .form-input:has(.input-prefix){padding-left:40px}.input-suffix{position:absolute;right:var(--space-4);color:var(--gray-500);font-weight:500;font-size:var(--font-size-sm);z-index:1;pointer-events:none}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}@media (max-width:768px){.form-row{grid-template-columns:1fr;gap:var(--space-3)}}