:root{--difrc-primary:#0072ce;--difrc-primary-deep:#005fa3;--difrc-secondary:#00a86b;--difrc-secondary-light:#e6f0ff;--difrc-danger:#e74c3c;--difrc-bg:#f7f9fb;--difrc-white:#ffffff;--difrc-text:#26282c;--difrc-border:#d8dce2;--difrc-radius:8px;--difrc-spacing:1.5rem;--difrc-gap:0.6rem}.difrc-header{background:var(--difrc-white)!important;border-bottom:1px solid var(--difrc-border)!important;padding:1rem var(--difrc-spacing);display:flex;align-items:center;gap:1rem;margin-bottom:1.25rem}.difrc-header-logo{width:38px;height:38px;background:var(--difrc-primary)!important;border-radius:var(--difrc-radius)!important;display:flex;align-items:center;justify-content:center;flex-shrink:0}.difrc-header-logo svg{width:22px;height:22px;fill:#fff}.difrc-header-title{font-size:1.25rem!important;font-weight:600;color:var(--difrc-text)!important}.difrc-header-sub{font-size:0.78rem!important;color:#6b7280!important;font-weight:400}.difrc-header-badge{margin-left:auto;background:var(--difrc-secondary-light)!important;color:var(--difrc-primary-deep)!important;font-size:0.7rem!important;font-weight:500;padding:.2rem .6rem;border-radius:20px!important;border:1px solid #c3d8f5!important}.difrc-container{display:grid;grid-template-columns:1fr 1fr;gap:var(--difrc-gap);align-items:start}@media (max-width:800px){.difrc-container{grid-template-columns:1fr}}.difrc-card{background:var(--difrc-white)!important;border:1px solid var(--difrc-border)!important;border-radius:var(--difrc-radius)!important;padding:var(--difrc-gap)}.difrc-card-title{font-size:0.7rem!important;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--difrc-primary)!important;margin-bottom:1rem;display:flex;align-items:center;gap:.4rem}.difrc-card-title::before{content:"";display:inline-block;width:3px;height:14px;background:var(--difrc-primary);border-radius:2px!important}.difrc-unit-toggle{display:flex;background:var(--difrc-bg)!important;border:1px solid var(--difrc-border)!important;border-radius:var(--difrc-radius)!important;padding:3px;margin-bottom:1.2rem}.difrc-unit-btn{flex:1;padding:.4rem .8rem;border:none;background:#fff0;border-radius:calc(var(--difrc-radius) - 1px);cursor:pointer;font-size:0.82rem!important;font-weight:500;color:#6b7280!important;transition:all 0.15s}.difrc-unit-btn.difrc-active{background:var(--difrc-white)!important;color:var(--difrc-primary)!important;box-shadow:0 1px 3px rgb(0 0 0 / .1)}.difrc-field{margin-bottom:1rem}.difrc-label{display:block;font-size:0.82rem!important;font-weight:500;color:var(--difrc-text)!important;margin-bottom:.3rem}.difrc-label-hint{font-weight:400;color:#9ca3af!important;font-size:0.75rem!important;margin-left:.3rem}.difrc-input-wrap{position:relative;display:flex}.difrc-input{width:100%;padding:.52rem .75rem;border:1px solid var(--difrc-border)!important;border-radius:var(--difrc-radius)!important;font-size:0.9rem!important;color:var(--difrc-text)!important;background:var(--difrc-white)!important;transition:border-color 0.15s,box-shadow 0.15s;appearance:none}.difrc-input:focus{outline:none;border-color:var(--difrc-primary)!important;box-shadow:0 0 0 3px rgb(0 114 206 / .12)}.difrc-input.difrc-error{border-color:var(--difrc-danger)!important;border-radius:var(--difrc-radius)!important}.difrc-input-unit{position:absolute;right:0;top:0;bottom:0;display:flex;align-items:center;padding:0 .75rem;font-size:0.75rem!important;font-weight:500;color:#9ca3af!important;background:var(--difrc-bg)!important;border:1px solid var(--difrc-border)!important;border-left:none;border-radius:0 var(--difrc-radius) var(--difrc-radius) 0;pointer-events:none;white-space:nowrap}.difrc-input:has(+.difrc-input-unit){border-radius:var(--difrc-radius) 0 0 var(--difrc-radius)}.difrc-select{width:100%;padding:.52rem 2rem .52rem .75rem;border:1px solid var(--difrc-border)!important;border-radius:var(--difrc-radius);font-size:0.88rem!important;color:var(--difrc-text)!important;background:var(--difrc-white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right .75rem center;appearance:none;cursor:pointer;transition:border-color 0.15s,box-shadow 0.15s}.difrc-select:focus{outline:none;border-color:var(--difrc-primary)!important;box-shadow:0 0 0 3px rgb(0 114 206 / .12)}.difrc-error-msg{font-size:0.72rem!important;color:var(--difrc-danger)!important;margin-top:.25rem;display:none}.difrc-error-msg.difrc-show{display:block}.difrc-field-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--difrc-gap)}.difrc-section-label{font-size:0.7rem!important;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:#9ca3af!important;margin:1.2rem 0 .7rem;padding-bottom:.4rem;border-bottom:1px solid var(--difrc-border)!important}.difrc-calc-btn{width:100%;padding:.75rem;background:var(--difrc-primary)!important;color:white!important;border:none;border-radius:var(--difrc-radius);font-size:0.95rem!important;font-weight:600;cursor:pointer;transition:background 0.15s,transform 0.1s;margin-top:1rem;display:flex;align-items:center;justify-content:center;gap:.5rem}.difrc-calc-btn:hover{background:var(--difrc-primary-deep)!important}.difrc-calc-btn:active{transform:scale(.99)}.difrc-results-panel{display:none}.difrc-results-panel.difrc-show{display:block}.difrc-result-hero{background:linear-gradient(135deg,var(--difrc-primary) 0%,var(--difrc-primary-deep) 100%)!important;border-radius:var(--difrc-radius);padding:1.5rem;margin-bottom:1rem;color:white!important;text-align:center}.difrc-result-hero-label{font-size:0.72rem!important;font-weight:500;opacity:.8;text-transform:uppercase;letter-spacing:.08em;color:white!important}.difrc-result-hero-value{font-size:2.8rem!important;font-weight:600;line-height:1.1;margin:.2rem 0;color:white!important}.difrc-result-hero-unit{font-size:0.85rem!important;opacity:.85;color:white!important}.difrc-result-hero-conversions{display:flex;gap:.5rem;justify-content:center;margin-top:1rem;flex-wrap:wrap}.difrc-conv-pill{background:rgb(255 255 255 / .18)!important;border:1px solid rgb(255 255 255 / .25)!important;border-radius:20px;padding:.25rem .7rem;font-size:0.75rem!important;color:white!important}.difrc-metrics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--difrc-gap);margin-bottom:1rem}.difrc-metric{background:var(--difrc-bg)!important;border:1px solid var(--difrc-border)!important;border-radius:var(--difrc-radius);padding:.75rem}.difrc-metric-label{font-size:0.7rem!important;color:#6b7280!important;font-weight:500;text-transform:uppercase;letter-spacing:.05em}.difrc-metric-value{font-size:1.05rem!important;font-weight:600;color:var(--difrc-text)!important;margin-top:.2rem}.difrc-metric-unit{font-size:0.7rem!important;color:#9ca3af!important;font-weight:400;margin-top:.05rem}.difrc-insight{display:flex;gap:.6rem;align-items:flex-start;padding:.7rem;border-radius:var(--difrc-radius);margin-bottom:.5rem;font-size:0.82rem!important;line-height:1.5}.difrc-insight-ok{background:#f0fdf4!important;border:1px solid #bbf7d0!important;color:#166534!important}.difrc-insight-warn{background:#fffbeb!important;border:1px solid #fde68a!important;color:#92400e!important}.difrc-insight-info{background:var(--difrc-secondary-light)!important;border:1px solid #c3d8f5!important;color:var(--difrc-primary-deep)!important}.difrc-insight-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;margin-top:5px}.difrc-insight-ok .difrc-insight-dot{background:#16a34a}.difrc-insight-warn .difrc-insight-dot{background:#d97706}.difrc-insight-info .difrc-insight-dot{background:var(--difrc-primary)}.difrc-action-bar{display:flex;gap:var(--difrc-gap);margin-top:1rem;flex-wrap:wrap}.difrc-action-btn{flex:1;min-width:fit-content!important;padding:.55rem 1rem;border-radius:var(--difrc-radius)!important;font-size:0.82rem!important;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.4rem;transition:all 0.15s;border:1px solid transparent!important}.difrc-btn-pdf{background:var(--difrc-text)!important;color:white!important}.difrc-btn-pdf:hover{background:#111!important}.difrc-btn-copy{background:var(--difrc-secondary)!important;color:white!important}.difrc-btn-copy:hover{background:#009060!important}.difrc-btn-reset{background:var(--difrc-white)!important;color:var(--difrc-danger)!important;border-color:var(--difrc-border)!important}.difrc-btn-reset:hover{background:#fff5f5!important;border-color:#fca5a5!important}.difrc-modal-overlay{position:fixed;inset:0;background:rgb(0 0 0 / .45);display:flex;align-items:center;justify-content:center;z-index:999;display:none}.difrc-modal-overlay.difrc-show{display:flex}.difrc-modal{background:var(--difrc-white)!important;border-radius:var(--difrc-radius);padding:1.5rem;max-width:360px;width:90%;box-shadow:0 20px 60px rgb(0 0 0 / .15)}.difrc-modal h3{font-size:1rem!important;font-weight:600;margin-bottom:.5rem;color:var(--difrc-text)!important}.difrc-modal p{font-size:0.85rem!important;color:#6b7280!important;margin-bottom:1.2rem}.difrc-modal-btns{display:flex;gap:.5rem;justify-content:flex-end}.difrc-modal-cancel{padding:.45rem 1rem;border:1px solid var(--difrc-border)!important;border-radius:var(--difrc-radius);background:white!important;font-size:0.85rem!important;cursor:pointer;color:var(--difrc-text)!important}.difrc-modal-confirm{padding:.45rem 1rem;border:none;border-radius:var(--difrc-radius);background:var(--difrc-danger)!important;color:white!important;font-size:0.85rem!important;font-weight:500;cursor:pointer}.difrc-toast{position:fixed;bottom:1.5rem;right:1.5rem;background:var(--difrc-text)!important;color:white!important;padding:.6rem 1rem;border-radius:var(--difrc-radius);font-size:0.82rem!important;z-index:9999;opacity:0;transform:translateY(8px);transition:all 0.2s;pointer-events:none}.difrc-toast.difrc-show{opacity:1;transform:translateY(0)}.difrc-help{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;border-radius:50%;background:#e5e7eb!important;color:#6b7280!important;font-size:0.65rem!important;font-weight:700;cursor:help;margin-left:.3rem;vertical-align:middle;position:relative}.difrc-help:hover::after{content:attr(data-tip);position:absolute;bottom:calc(100% + 6px);left:50%;transform:translateX(-50%);background:#111!important;color:white!important;font-size:0.7rem!important;padding:.3rem .6rem;border-radius:4px;white-space:nowrap;max-width:220px;white-space:normal;z-index:200;line-height:1.4;font-weight:400;pointer-events:none;width:max-content}.difrc-full-col{grid-column:1 / -1}.difrc-gauge-wrap{margin-top:.5rem}.difrc-gauge-label{display:flex;justify-content:space-between;font-size:0.72rem!important;color:#6b7280!important;margin-bottom:.3rem}.difrc-gauge-track{height:7px;background:var(--difrc-border)!important;border-radius:10px;overflow:hidden}.difrc-gauge-fill{height:100%;border-radius:10px;transition:width 0.6s cubic-bezier(.25,.8,.25,1)}.difrc-gauge-ok{background:var(--difrc-secondary)!important}.difrc-gauge-warn{background:#f59e0b!important}.difrc-gauge-danger{background:var(--difrc-danger)!important}@keyframes difrc-fadein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.difrc-results-panel.difrc-show{animation:difrc-fadein 0.25s ease}@media (max-width:700px){.difrc-header{flex-direction:column;align-items:center;justify-content:center;gap:.5rem;text-align:center}.difrc-header-badge{margin-left:0}}