:root{--ddc-ink:#0b1020;--ddc-ink-strong:#020617;--ddc-ink-muted:#5b6474;--ddc-ink-faint:#94a3b8;--ddc-surface:#ffffff;--ddc-surface-sunken:#f4f6fb;--ddc-surface-tint:#eef2ff;--ddc-border:#e4e8f0;--ddc-border-strong:#c9d1e0;--ddc-brand:#c34918;--ddc-brand-strong:#872a05;--ddc-brand-soft:#eef0ff;--ddc-brand-line:#fbbfa7;--ddc-accent:#14b8a6;--ddc-accent-soft:#e6fffb;--ddc-warn:#b45309;--ddc-warn-soft:#fff7e6;--ddc-danger:#b91c1c;--ddc-danger-soft:#fee2e2;--ddc-radius-xs:8px;--ddc-radius-sm:12px;--ddc-radius-md:18px;--ddc-radius-lg:24px;--ddc-radius-xl:32px;--ddc-shadow-xs:0 1px 2px rgba(15,23,42,0.06);--ddc-shadow-sm:0 6px 14px rgba(15,23,42,0.06);--ddc-shadow-md:0 18px 40px rgba(67,56,202,0.12);--ddc-shadow-lg:0 30px 70px rgba(49,46,129,0.18);--ddc-gap-xs:0.5rem;--ddc-gap-sm:0.75rem;--ddc-gap-md:1rem;--ddc-gap-lg:1.5rem;--ddc-gap-xl:2rem;--primary:var(--ddc-brand);--primary-dark:var(--ddc-brand-strong);--border:var(--ddc-border);--surface:var(--ddc-surface);--shadow-soft:var(--ddc-shadow-sm);--surface-muted:var(--ddc-surface-sunken);--text-main:var(--ddc-ink-strong);--text-muted:var(--ddc-ink-muted);--ddc-faq-section-margin-top:2.5rem;--ddc-faq-card-radius:var(--ddc-radius-lg);--ddc-faq-card-border:1px solid var(--ddc-border);--ddc-faq-card-padding:1.75rem;--ddc-faq-card-bg:var(--ddc-surface);--ddc-faq-card-shadow:var(--ddc-shadow-sm);--ddc-faq-title-color:var(--ddc-ink-strong);--ddc-faq-header-desc-color:var(--ddc-ink-muted);--ddc-faq-grid-gap:0.75rem;--ddc-faq-grid-margin-top:1.25rem;--ddc-faq-item-border:1px solid var(--ddc-border);--ddc-faq-item-radius:var(--ddc-radius-md);--ddc-faq-item-padding:0.85rem 1.1rem;--ddc-faq-item-bg:var(--ddc-surface-sunken);--ddc-faq-item-bg-open:var(--ddc-surface);--ddc-faq-item-border-open:var(--ddc-brand-line);--ddc-faq-item-shadow-open:var(--ddc-shadow-xs);--ddc-faq-summary-color:var(--ddc-ink-strong);--ddc-faq-summary-font-weight:700;--ddc-faq-answer-color:var(--ddc-ink-muted);--ddc-faq-answer-margin-top:0.65rem;--ddc-related-section-margin-top:1.5rem;--ddc-related-section-margin-top-sidebar:0;--ddc-related-section-margin-bottom:0;--ddc-related-card-radius:var(--ddc-radius-md);--ddc-related-card-border:1px solid var(--ddc-border);--ddc-related-card-padding:1.75rem;--ddc-related-card-bg:var(--ddc-surface-sunken);--ddc-related-card-shadow:var(--ddc-shadow-xs);--ddc-related-list-gap:0.75rem;--ddc-related-link-color:var(--ddc-brand-strong);--ddc-related-link-hover:var(--ddc-brand);--ddc-related-desc-color:var(--ddc-ink-muted);--ddc-related-desc-font-size:0.875rem;--ddc-related-desc-margin-top:0.25rem;}
.bmc-time .ddc-app{margin:1.25rem 0 2.25rem;display:flex;flex-direction:column;gap:var(--ddc-gap-lg);}
.ddc-workbench{position:relative;background:linear-gradient(170deg,#ffffff 0%,var(--ddc-surface-sunken) 100%);border:1px solid var(--ddc-border);border-radius:var(--ddc-radius-xl);padding:clamp(1rem,3vw,1.75rem);box-shadow:var(--ddc-shadow-md);overflow:hidden;}
.ddc-workbench::before{content:"";position:absolute;inset:-30% -20% auto auto;width:55%;height:55%;background:radial-gradient(closest-side,rgba(186, 68, 21,0.14),transparent 70%);pointer-events:none;}
.ddc-workbench::after{content:"";position:absolute;inset:auto auto -40% -20%;width:60%;height:60%;background:radial-gradient(closest-side,rgba(186, 68, 21,0.10),transparent 70%);pointer-events:none;}
.ddc-deck{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:var(--ddc-gap-md);align-items:stretch;}
.ddc-tile{background:var(--ddc-surface);border:1px solid var(--ddc-border);border-radius:var(--ddc-radius-lg);padding:1.1rem;display:flex;flex-direction:column;gap:0.75rem;box-shadow:var(--ddc-shadow-xs);transition:border-color 0.18s ease,transform 0.18s ease,box-shadow 0.18s ease;}
.ddc-tile:focus-within,.ddc-tile:hover{border-color:var(--ddc-brand-line);box-shadow:var(--ddc-shadow-sm);transform:translateY(-1px);}
.ddc-tile-head{display:flex;align-items:center;justify-content:space-between;gap:0.5rem;}
.ddc-tile-badge{display:inline-flex;align-items:center;gap:0.35rem;padding:0.25rem 0.7rem;border-radius:999px;background:var(--ddc-brand-soft);color:var(--ddc-brand-strong);font-size:0.72rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;}
.ddc-tile[data-role="to"] .ddc-tile-badge{background:var(--ddc-accent-soft);color:#0f766e;}
.ddc-tile-dot{width:6px;height:6px;border-radius:50%;background:currentColor;}
.ddc-tile-weekday{font-size:0.78rem;font-weight:600;color:var(--ddc-ink-muted);text-transform:uppercase;letter-spacing:0.08em;}
.ddc-tile-input{width:100%;padding:0.85rem 1rem;border:1.5px solid var(--ddc-border);border-radius:var(--ddc-radius-sm);font-size:1rem;color:var(--ddc-ink-strong);background:var(--ddc-surface);font-family:inherit;transition:border-color 0.15s ease,box-shadow 0.15s ease;font-feature-settings:"tnum" 1;}
.ddc-tile-input:hover{border-color:var(--ddc-brand-line);}
.ddc-tile-input:focus{outline:none;border-color:var(--ddc-brand);box-shadow:0 0 0 4px rgba(67,56,202,0.15);}
.ddc-tile-readout{display:flex;align-items:baseline;gap:0.5rem;flex-wrap:wrap;margin:0;}
.ddc-tile-readout-big{font-size:clamp(1.35rem,2.4vw,1.6rem);font-weight:800;color:var(--ddc-ink-strong);letter-spacing:-0.01em;}
.ddc-tile-readout-small{font-size:0.9rem;color:var(--ddc-ink-muted);}
.ddc-tile-hint{margin:0;font-size:0.82rem;color:var(--ddc-ink-faint);}
.ddc-bridge{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;padding:0.35rem 0;}
.ddc-swap{width:44px;height:44px;border-radius:50%;border:1px solid var(--ddc-border);background:var(--ddc-surface);color:var(--ddc-brand-strong);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--ddc-shadow-sm);transition:transform 0.2s ease,border-color 0.15s ease,background 0.15s ease;}
.ddc-swap:hover{border-color:var(--ddc-brand);background:var(--ddc-brand-soft);transform:rotate(180deg);}
.ddc-swap:focus-visible{outline:2px solid var(--ddc-brand);outline-offset:3px;}
.ddc-swap svg{width:18px;height:18px;}
.ddc-presets{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:0.4rem;margin-top:var(--ddc-gap-md);padding:0.75rem;background:var(--ddc-surface);border:1px dashed var(--ddc-border-strong);border-radius:var(--ddc-radius-md);align-items:center;}
.ddc-presets-label{font-size:0.72rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--ddc-ink-muted);margin-right:0.25rem;}
.ddc-preset{border:1px solid transparent;background:var(--ddc-surface-sunken);color:var(--ddc-ink);padding:0.4rem 0.85rem;border-radius:999px;font-size:0.85rem;font-weight:600;cursor:pointer;transition:all 0.15s ease;}
.ddc-preset:hover{border-color:var(--ddc-brand-line);color:var(--ddc-brand-strong);background:var(--ddc-brand-soft);}
.ddc-preset:focus-visible{outline:2px solid var(--ddc-brand);outline-offset:2px;}
.ddc-preset[aria-pressed="true"]{background:var(--ddc-brand);color:#fff;box-shadow:0 6px 14px rgba(67,56,202,0.25);}
.ddc-toggle-row{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:var(--ddc-gap-md);margin-top:var(--ddc-gap-md);padding:0.75rem 1rem;background:var(--ddc-surface);border:1px solid var(--ddc-border);border-radius:var(--ddc-radius-md);flex-wrap:wrap;}
.ddc-toggle{display:inline-flex;align-items:center;gap:0.6rem;cursor:pointer;user-select:none;font-size:0.9rem;color:var(--ddc-ink);font-weight:600;}
.ddc-toggle input{position:absolute;opacity:0;pointer-events:none;}
.ddc-toggle-track{width:38px;height:22px;border-radius:999px;background:var(--ddc-border-strong);position:relative;transition:background 0.15s ease;flex-shrink:0;}
.ddc-toggle-track::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(15,23,42,0.2);transition:transform 0.2s ease;}
.ddc-toggle input:checked+.ddc-toggle-track{background:var(--ddc-brand);}
.ddc-toggle input:checked+.ddc-toggle-track::after{transform:translateX(16px);}
.ddc-toggle input:focus-visible+.ddc-toggle-track{outline:2px solid var(--ddc-brand);outline-offset:2px;}
.ddc-toggle-hint{font-size:0.8rem;color:var(--ddc-ink-muted);font-weight:500;}
.ddc-alert{position:relative;z-index:1;display:flex;align-items:flex-start;gap:0.6rem;margin-top:var(--ddc-gap-md);padding:0.85rem 1rem;border-radius:var(--ddc-radius-sm);font-size:0.9rem;line-height:1.4;border-left:4px solid var(--ddc-warn);background:var(--ddc-warn-soft);color:#78350f;}
.ddc-alert[hidden]{display:none;}
.ddc-alert svg{width:18px;height:18px;flex-shrink:0;margin-top:0.1rem;}
.ddc-result{position:relative;z-index:1;margin-top:var(--ddc-gap-lg);background:linear-gradient(155deg,var(--ddc-brand-strong) 0%,var(--ddc-brand) 55%,#9b2f03  100%);color:#fff;border-radius:var(--ddc-radius-lg);padding:clamp(1.25rem,3vw,2rem);overflow:hidden;box-shadow:var(--ddc-shadow-lg);}
.ddc-result::before{content:"";position:absolute;inset:-40% -20% auto auto;width:60%;height:60%;background:radial-gradient(closest-side,rgba(255,255,255,0.18),transparent 70%);pointer-events:none;}
.ddc-result-head{display:flex;align-items:center;justify-content:space-between;gap:0.75rem;flex-wrap:wrap;position:relative;z-index:1;}
.ddc-result-eyebrow{font-size:0.72rem;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:rgba(255,255,255,0.75);margin:0;}
.ddc-result-direction{display:inline-flex;align-items:center;gap:0.4rem;padding:0.3rem 0.8rem;border-radius:999px;background:rgba(255,255,255,0.14);font-size:0.78rem;font-weight:700;letter-spacing:0.06em;text-transform:uppercase;}
.ddc-result-direction .dot{width:6px;height:6px;border-radius:50%;background:#5eead4;box-shadow:0 0 0 4px rgba(94,234,212,0.25);}
.ddc-result-direction.is-past .dot{background:#fca5a5;box-shadow:0 0 0 4px rgba(252,165,165,0.25);}
.ddc-result-hero{display:flex;align-items:baseline;gap:0.75rem;flex-wrap:wrap;margin:0.75rem 0 0.25rem;position:relative;z-index:1;}
.ddc-result-number{font-size:clamp(2.75rem,8vw,4.75rem);font-weight:900;line-height:1;letter-spacing:-0.03em;font-feature-settings:"tnum" 1;}
.ddc-result-unit{font-size:clamp(1rem,2vw,1.25rem);font-weight:700;letter-spacing:0.02em;color:rgba(255,255,255,0.85);}
.ddc-result-sentence{margin:0.35rem 0 0;font-size:clamp(0.95rem,2vw,1.05rem);color:rgba(255,255,255,0.82);max-width:48rem;position:relative;z-index:1;}
.ddc-result-divider{position:relative;z-index:1;margin:1.25rem 0;height:1px;background:rgba(255,255,255,0.18);border:0;}
.ddc-breakdown{position:relative;z-index:1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0.6rem;}
.ddc-unit{background:rgba(255,255,255,0.10);border:1px solid rgba(255,255,255,0.16);border-radius:var(--ddc-radius-sm);padding:0.85rem 0.9rem;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);}
.ddc-unit-key{font-size:0.7rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:rgba(255,255,255,0.75);}
.ddc-unit-val{display:block;margin-top:0.2rem;font-size:clamp(1.1rem,2.5vw,1.4rem);font-weight:800;font-feature-settings:"tnum" 1;letter-spacing:-0.01em;}
.ddc-unit-val sub{font-size:0.65em;font-weight:600;color:rgba(255,255,255,0.75);margin-left:0.2rem;vertical-align:baseline;}
.ddc-bars{position:relative;z-index:1;margin-top:1.25rem;}
.ddc-bars-title{font-size:0.72rem;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:rgba(255,255,255,0.75);margin:0 0 0.5rem;}
.ddc-bars-track{display:flex;width:100%;height:14px;border-radius:999px;background:rgba(255,255,255,0.12);overflow:hidden;}
.ddc-bars-seg{height:100%;transition:width 0.4s ease;}
.ddc-bars-seg.y{background:#fbcfe8;}
.ddc-bars-seg.m{background:#bae6fd;}
.ddc-bars-seg.d{background:#bef264;}
.ddc-bars-legend{display:flex;flex-wrap:wrap;gap:0.75rem;margin-top:0.5rem;font-size:0.8rem;color:rgba(255,255,255,0.85);}
.ddc-bars-legend span{display:inline-flex;align-items:center;gap:0.4rem;}
.ddc-bars-legend span::before{content:"";width:10px;height:10px;border-radius:3px;background:currentColor;}
.ddc-bars-legend .y::before{background:#fbcfe8;}
.ddc-bars-legend .m::before{background:#bae6fd;}
.ddc-bars-legend .d::before{background:#bef264;}
.ddc-extras{position:relative;z-index:1;margin-top:var(--ddc-gap-md);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0.6rem;}
.ddc-extra{background:var(--ddc-surface);border:1px solid var(--ddc-border);border-radius:var(--ddc-radius-md);padding:0.9rem 1rem;display:flex;flex-direction:column;gap:0.2rem;transition:border-color 0.15s ease,transform 0.15s ease;}
.ddc-extra:hover{border-color:var(--ddc-brand-line);transform:translateY(-1px);}
.ddc-extra-key{font-size:0.72rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--ddc-ink-muted);}
.ddc-extra-val{font-size:clamp(1.1rem,2.5vw,1.4rem);font-weight:800;color:var(--ddc-ink-strong);font-feature-settings:"tnum" 1;}
.ddc-extra-note{font-size:0.78rem;color:var(--ddc-ink-muted);}
.ddc-actions{position:relative;z-index:1;margin-top:var(--ddc-gap-lg);display:flex;flex-wrap:wrap;gap:0.5rem;justify-content:flex-end;}
.ddc-btn{display:inline-flex;align-items:center;gap:0.45rem;padding:0.7rem 1.1rem;border-radius:999px;font-size:0.9rem;font-weight:700;cursor:pointer;border:1px solid transparent;transition:transform 0.15s ease,box-shadow 0.15s ease,background 0.15s ease,color 0.15s ease,border-color 0.15s ease;text-decoration:none;}
.ddc-btn svg{width:16px;height:16px;}
.ddc-btn-primary{background:var(--ddc-brand);color:#fff;box-shadow:0 10px 20px rgba(67,56,202,0.22);}
.ddc-btn-primary:hover{background:var(--ddc-brand-strong);transform:translateY(-1px);box-shadow:0 14px 26px rgba(49,46,129,0.3);}
.ddc-btn-ghost{background:var(--ddc-surface);color:var(--ddc-ink);border-color:var(--ddc-border);}
.ddc-btn-ghost:hover{border-color:var(--ddc-brand);color:var(--ddc-brand-strong);background:var(--ddc-brand-soft);transform:translateY(-1px);}
.ddc-btn:focus-visible{outline:2px solid var(--ddc-brand);outline-offset:3px;}
.ddc-btn.is-copied{background:var(--ddc-accent);color:#fff;border-color:var(--ddc-accent);}
.ddc-share-pop{position:relative;z-index:1;margin-top:var(--ddc-gap-md);background:var(--ddc-surface);border:1px solid var(--ddc-border);border-radius:var(--ddc-radius-md);padding:0.85rem 1rem;display:flex;gap:0.5rem;align-items:center;box-shadow:var(--ddc-shadow-sm);}
.ddc-share-pop[hidden]{display:none;}
.ddc-share-pop input{flex:1;padding:0.65rem 0.8rem;border:1px solid var(--ddc-border);border-radius:var(--ddc-radius-sm);font-size:0.88rem;color:var(--ddc-ink);background:var(--ddc-surface-sunken);font-family:inherit;}
.ddc-share-pop input:focus{outline:none;border-color:var(--ddc-brand);box-shadow:0 0 0 3px rgba(67,56,202,0.15);}
.ddc-guide{background:var(--ddc-surface);border:1px solid var(--ddc-border);border-radius:var(--ddc-radius-xl);padding:clamp(1.25rem,3vw,2rem);}
.ddc-guide h2{font-size:clamp(1.35rem,3vw,1.75rem);font-weight:800;color:var(--ddc-ink-strong);letter-spacing:-0.01em;margin:0 0 0.5rem;}
.ddc-guide-lede{margin:0 0 1.5rem;color:var(--ddc-ink-muted);max-width:52rem;font-size:1rem;line-height:1.6;}
.ddc-guide-grid{display:grid;grid-template-columns:1fr;gap:var(--ddc-gap-md);}
.ddc-guide-card{border:1px solid var(--ddc-border);border-radius:var(--ddc-radius-md);padding:1.1rem 1.2rem;}
.ddc-guide-card h3{margin:0 0 0.4rem;font-size:1.05rem;font-weight:700;color:var(--ddc-brand-strong);}
.ddc-guide-card p{margin:0;color:var(--ddc-ink-muted);font-size:0.94rem;line-height:1.6;}
.ddc-guide-steps{counter-reset:ddc-step;list-style:none;padding:0;margin:0;display:grid;gap:0.75rem;}
.ddc-guide-steps li{counter-increment:ddc-step;position:relative;padding-left:2.5rem;color:var(--ddc-ink);font-size:0.95rem;line-height:1.55;}
.ddc-guide-steps li::before{content:counter(ddc-step);position:absolute;left:0;top:-0.1rem;width:1.85rem;height:1.85rem;border-radius:50%;background:var(--ddc-brand-soft);color:var(--ddc-brand-strong);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:0.85rem;}
.ddc-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.ddc-workbench .author-meta{position:relative;z-index:1;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:var(--ddc-gap-sm) var(--ddc-gap-md);margin:0 0 var(--ddc-gap-md);padding-bottom:var(--ddc-gap-md);border-bottom:1px solid var(--ddc-border);font-size:0.8125rem;line-height:1.4;color:var(--ddc-ink-muted);}
.ddc-workbench .meta-author{color:var(--ddc-ink);font-weight:500;}
.ddc-workbench .meta-author .author-link{color:var(--ddc-brand-strong);text-decoration:none;}
.ddc-workbench .meta-author .author-link:hover{text-decoration:underline;}
.ddc-workbench .meta-updated{white-space:nowrap;}
@media (max-width:639px){.ddc-workbench .author-meta{flex-direction:column;align-items:flex-start;gap:0.35rem;}}
@media (min-width:640px){.ddc-breakdown{grid-template-columns:repeat(3,minmax(0,1fr));}.ddc-extras{grid-template-columns:repeat(3,minmax(0,1fr));}}
@media (min-width:900px){.ddc-deck{grid-template-columns:1fr auto 1fr;gap:var(--ddc-gap-lg);align-items:stretch;}.ddc-bridge{padding:0;}.ddc-breakdown{grid-template-columns:repeat(6,minmax(0,1fr));}.ddc-extras{grid-template-columns:repeat(4,minmax(0,1fr));}.ddc-guide-grid{grid-template-columns:repeat(1,minmax(0,1fr));}}
@media (max-width:899px){.ddc-swap{transform:rotate(90deg);}.ddc-swap:hover{transform:rotate(270deg);}}
@media (prefers-reduced-motion:reduce){.ddc-swap,.ddc-bars-seg,.ddc-btn,.ddc-tile{transition:none;}.ddc-result-direction .dot{box-shadow:none;}}