:root{--primary:#2563eb;--primary-dark:#1e40af;--primary-light:#93c5fd;--secondary:#10b981;--secondary-dark:#059669;--success-color:#10b981;--accent:#f97316;--accent-dark:#ea580c;--text:#1f2937;--text-light:#6b7280;--bg-light:#f9fafb;--bg-white:#fff;--bg-gradient:linear-gradient(135deg,#2563eb 0%,#10b981 100%);--border-radius:12px;--border-radius-lg:16px;--shadow:0 4px 6px #0000000d 0 1px 3px #0000001a;--shadow-hover:0 20px 25px -5px #0000001a 0 10px 10px -5px #0000000a;--transition:all .3s cubic-bezier(.4,0,.2,1);--transition-slow:all .5s cubic-bezier(.4,0,.2,1)}[data-theme="dark"]{--primary:#3b82f6;--primary-dark:#2563eb;--text:#f3f4f6;--text-light:#d1d5db;--bg-light:#111827;--bg-white:#1f2937;--shadow:0 4px 6px #00000026 0 1px 3px #0003;--shadow-hover:0 20px 25px -5px #00000040 0 10px 10px -5px 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0}.challenge-title{color:#dc2626;font-weight:700;display:flex;align-items:center;gap:10px}.solution-title{color:var(--success-color);font-weight:700;margin-top:1rem;display:flex;align-items:center;gap:10px}.timeline{position:relative;max-width:1200px;margin:0 auto;padding:2rem 0}.timeline::after{content:'';position:absolute;width:6px;background-color:var(--primary);top:0;bottom:0;left:31px;margin-left:-3px}.timeline-container{padding:10px 40px;position:relative;background-color:inherit;width:100%}.timeline-container::after{content:'';position:absolute;width:25px;height:25px;right:-17px;background-color:white;border:4px solid #FF9F55;top:15px;border-radius:50%;z-index:1}.timeline-container.left{left:0}.timeline-container.left::after{left:15px}.timeline-content{padding:20px 30px;background-color:white;position:relative;border-radius:6px;box-shadow:0 4px 6px rgba(0,0,0,.1);border-left:5px solid var(--primary)}.year-tag{background:var(--primary);color:white;padding:5px 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li{margin-bottom:.5rem;padding-left:1.5rem;position:relative}.check-list li::before{content:'✓';color:var(--secondary);position:absolute;left:0;font-weight:bold}.cross-list li{margin-bottom:.5rem;padding-left:1.5rem;position:relative}.cross-list li::before{content:'✗';color:crimson;position:absolute;left:0;font-weight:bold}.amount-table{width:100%;border-collapse:collapse;margin:1.5rem 0;background:white;border-radius:var(--border-radius);overflow:hidden;box-shadow:0 2px 4px rgba(0,0,0,.05)}.amount-table th{background:var(--primary);color:white;padding:1rem;text-align:left}.amount-table td{padding:1rem;border-bottom:1px solid #eee}.amount-highlight{font-size:1.25rem;font-weight:700;color:var(--success-color)}.sms-alert-box{background:#f0fdf4;border:1px solid #bbf7d0;padding:1.5rem;border-radius:var(--border-radius);margin:1.5rem 0;display:flex;align-items:center;gap:1rem}.checklist{list-style:none;padding:0}.checklist li{position:relative;padding-left:2rem;margin-bottom:.75rem}.checklist li::before{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;left:0;color:var(--success-color)}.sms-icon{font-size:2rem;color:var(--success-color)}[data-theme="dark"] .data-table td{background-color:var(--bg-light);color:var(--text);border-bottom:1px solid var(--bg-light)}[data-theme="dark"] .data-table tr:nth-child(even){background-color:var(--bg-light)}[data-theme="dark"] .data-table tr:hover td{background-color:var(--primary);color:#fff}[data-theme="dark"] .amount-table{background:var(--bg-white)}[data-theme="dark"] .amount-table td{border-bottom:1px solid var(--bg-light);color:var(--text)}