:root{--bg-primary: #0b0f19;--bg-secondary: #131b2e;--bg-card: #1a233a;--bg-card-hover: #222d47;--bg-input: #0f172a;--border-subtle: #2a3654;--border-focus: #10b981;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-emerald: #10b981;--accent-emerald-hover: #059669;--accent-emerald-light: rgba(16, 185, 129, .12);--accent-blue: #3b82f6;--accent-blue-light: rgba(59, 130, 246, .12);--accent-amber: #f59e0b;--accent-amber-light: rgba(245, 158, 11, .12);--accent-rose: #f43f5e;--accent-rose-light: rgba(244, 63, 94, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .2);--shadow-md: 0 8px 16px rgba(0, 0, 0, .3);--shadow-lg: 0 16px 32px rgba(0, 0, 0, .4)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased}.app-layout{max-width:1000px;margin:0 auto;padding:1rem 1rem 5rem}@media(min-width:768px){.app-layout{padding:2rem}}.app-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);margin-bottom:1.5rem;box-shadow:var(--shadow-sm)}.brand-area{display:flex;align-items:center;gap:.75rem}.brand-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--accent-emerald),#047857);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 12px #10b9814d}.brand-title{font-size:1.25rem;font-weight:800;letter-spacing:-.02em;background:linear-gradient(135deg,#fff 30%,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.brand-subtitle{font-size:.75rem;color:var(--text-secondary);font-weight:500}.header-actions{display:flex;align-items:center;gap:.75rem}.irs-badge{display:flex;align-items:center;gap:.375rem;padding:.375rem .75rem;background:var(--accent-emerald-light);border:1px solid rgba(16,185,129,.3);color:var(--accent-emerald);border-radius:var(--radius-full);font-size:.8125rem;font-weight:700;font-family:var(--font-mono)}.icon-btn{background:var(--bg-card);border:1px solid var(--border-subtle);color:var(--text-secondary);width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.icon-btn:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--text-muted)}.nav-tabs{display:flex;background:var(--bg-secondary);padding:.375rem;border-radius:var(--radius-lg);border:1px solid var(--border-subtle);margin-bottom:1.5rem;gap:.375rem}.tab-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1rem;border-radius:var(--radius-md);border:none;background:transparent;color:var(--text-secondary);font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s ease}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{background:var(--accent-emerald);color:#fff;box-shadow:0 4px 12px #10b9814d}.card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1.5rem;box-shadow:var(--shadow-md)}.card-title{font-size:1.125rem;font-weight:700;margin-bottom:1.25rem;display:flex;align-items:center;gap:.5rem;color:var(--text-primary)}.form-grid{display:grid;grid-template-columns:1fr;gap:1.25rem}@media(min-width:640px){.form-grid-2{grid-template-columns:1fr 1fr}}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-label{font-size:.8125rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary)}.form-input,.form-select,.form-textarea{width:100%;padding:.875rem 1rem;background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:.9375rem;transition:all .2s ease;min-height:48px}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #10b98126}.form-input.number-input{font-family:var(--font-mono);font-size:1.125rem;font-weight:600}.category-pills{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;background:var(--bg-input);padding:.25rem;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.pill-option{padding:.625rem;text-align:center;font-size:.875rem;font-weight:700;border-radius:var(--radius-sm);border:none;cursor:pointer;background:transparent;color:var(--text-secondary);transition:all .2s ease}.pill-option.active-business{background:var(--accent-emerald);color:#fff}.pill-option.active-personal{background:var(--accent-amber);color:#fff}.calc-banner{background:linear-gradient(135deg,#10b9811a,#3b82f61a);border:1px solid rgba(16,185,129,.25);border-radius:var(--radius-md);padding:1rem 1.25rem;display:flex;align-items:center;justify-content:space-between;margin-top:.5rem}.calc-info{display:flex;flex-direction:column}.calc-miles{font-size:1.5rem;font-weight:800;color:var(--accent-emerald);font-family:var(--font-mono);line-height:1.2}.calc-deduction{font-size:.875rem;color:var(--text-secondary);font-weight:600}.camera-dropzone{border:2px dashed var(--border-subtle);border-radius:var(--radius-md);padding:1.25rem;text-align:center;cursor:pointer;background:var(--bg-input);transition:all .2s ease;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem}.camera-dropzone:hover{border-color:var(--accent-emerald);background:#10b9810d}.photo-preview-box{position:relative;width:100%;max-height:220px;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-subtle)}.photo-preview-img{width:100%;height:180px;object-fit:cover}.remove-photo-btn{position:absolute;top:8px;right:8px;background:#0f172ad9;color:var(--accent-rose);border:1px solid var(--accent-rose);border-radius:var(--radius-full);width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer}.btn-primary{width:100%;padding:1rem 1.5rem;background:linear-gradient(135deg,var(--accent-emerald),#047857);color:#fff;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;box-shadow:0 4px 14px #10b98159;transition:all .2s ease;min-height:52px}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #10b98173}.btn-primary:active{transform:translateY(0)}.btn-secondary{padding:.75rem 1.25rem;background:var(--bg-card);border:1px solid var(--border-subtle);color:var(--text-primary);border-radius:var(--radius-md);font-weight:600;font-size:.875rem;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;transition:all .2s ease}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--text-muted)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:1.25rem}.stat-header{display:flex;align-items:center;justify-content:space-between;color:var(--text-secondary);font-size:.8125rem;font-weight:600;margin-bottom:.5rem}.stat-value{font-size:1.75rem;font-weight:800;font-family:var(--font-mono);line-height:1.1}.stat-value.emerald{color:var(--accent-emerald)}.stat-value.amber{color:var(--accent-amber)}.stat-value.blue{color:var(--accent-blue)}.filter-bar{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;justify-content:space-between;margin-bottom:1.25rem}.search-box{position:relative;flex:1;min-width:220px}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted)}.search-input{padding-left:2.25rem!important}.trip-item-card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:1rem 1.25rem;margin-bottom:.75rem;display:flex;flex-direction:column;gap:.75rem;transition:all .2s ease}.trip-item-card:hover{border-color:var(--text-muted)}@media(min-width:640px){.trip-item-card{flex-direction:row;align-items:center;justify-content:space-between}}.trip-main-info{display:flex;align-items:flex-start;gap:.875rem}.trip-category-tag{padding:.25rem .625rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:700;text-transform:uppercase}.trip-category-tag.business{background:var(--accent-emerald-light);color:var(--accent-emerald);border:1px solid rgba(16,185,129,.3)}.trip-category-tag.personal{background:var(--accent-amber-light);color:var(--accent-amber);border:1px solid rgba(245,158,11,.3)}.trip-date{font-size:.8125rem;color:var(--text-secondary)}.trip-purpose{font-weight:700;font-size:1rem;color:var(--text-primary)}.trip-odo-details{font-size:.8125rem;color:var(--text-muted);font-family:var(--font-mono)}.trip-right-info{display:flex;align-items:center;gap:1rem;justify-content:space-between}.trip-miles-badge{text-align:right}.trip-miles-num{font-size:1.25rem;font-weight:800;font-family:var(--font-mono);color:var(--accent-emerald)}.trip-deduction-num{font-size:.75rem;color:var(--text-secondary);font-weight:600}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0b0f19d9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:1rem;z-index:1000}.modal-card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);width:100%;max-width:500px;padding:1.5rem;box-shadow:var(--shadow-lg)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.empty-state{text-align:center;padding:3rem 1.5rem;color:var(--text-muted)}.empty-icon{margin-bottom:1rem;color:var(--text-muted);opacity:.5}.flex-between{display:flex;align-items:center;justify-content:space-between}.gap-sm{gap:.5rem}.gap-md{gap:1rem}.mt-md{margin-top:1rem}