.principle-panel { color: var(--ink, #18332f); font-family: inherit; padding: 28px 0 12px; }
.principle-panel *, .principle-panel *::before, .principle-panel *::after { box-sizing: border-box; }
.principle-panel button, .principle-panel select { font: inherit; }
.principle-heading { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; margin-bottom: 24px; }
.principle-kicker { color: #087f78; font-size: 11px; letter-spacing: .14em; font-weight: 800; }
.principle-heading h2 { font-size: clamp(23px, 2.4vw, 32px); letter-spacing: -.045em; line-height: 1.3; margin: 9px 0; }
.principle-heading p { font-size: 14px; line-height: 1.65; margin: 0; color: #697a77; }
.principle-label { color: #6b7975; background: #e8eeeb; border: 1px solid #d9e2de; border-radius: 99px; padding: 7px 12px; font-size: 11px; white-space: nowrap; }
.principle-layout { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 24px; }
.principle-workspace { padding: 26px; background: #fff; border: 1px solid #dce5df; border-radius: 20px; min-width: 0; box-shadow: 0 8px 24px #1a453706; }
.principle-cycle-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 12px; color: #78827e; }
.principle-cycle-head strong { color: #087f78; font-size: 20px; font-variant-numeric: tabular-nums; margin: 0 4px; }
.principle-small-label { letter-spacing: .04em; }
.principle-stages { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 18px 0 30px; padding: 0; }
.principle-stages li { display: flex; align-items: center; gap: 10px; padding: 13px 10px; background: #f2f6f3; border: 1px solid transparent; border-radius: 10px; color: #74827a; transition: background .2s, border-color .2s; min-width: 0; }
.principle-stages li > span { font-size: 19px; font-weight: 500; opacity: .7; }
.principle-stages strong { font-size: 13px; font-weight: 700; }
.principle-stages small { display: block; font-size: 10px; margin-top: 5px; }
.principle-stages li.principle-active { background: #e4f4ec; color: #087263; border-color: #8cbdad; }
.principle-flow-caption { display: flex; justify-content: space-between; margin-bottom: 12px; color: #7b8981; font-size: 10px; letter-spacing: .03em; }
.principle-flow { display: grid; grid-template-columns: minmax(85px, 1fr) 18px minmax(85px, 1fr) 18px minmax(85px, 1fr) 18px minmax(85px, 1fr) 18px minmax(85px, 1fr); align-items: stretch; }
.principle-node { appearance: none; min-width: 0; background: #f8faf7; border: 1px solid #dce5dc; border-radius: 13px; min-height: 183px; padding: 17px 6px 14px; color: #385447; display: flex; flex-direction: column; align-items: center; gap: 13px; text-align: center; position: relative; transition: border-color .2s, background .2s; }
button.principle-node { cursor: pointer; }
.principle-node > small { font-size: 10px; line-height: 1.4; color: #829085; margin-top: auto; }
.principle-node-title { border: 0; background: none; color: inherit; padding: 0; margin: 0; font-size: 12px; font-weight: 750; line-height: 1.4; white-space: normal; }
button.principle-node-title { cursor: pointer; }
.principle-node-title small { display: block; font-size: 10px; color: #7c8d82; font-weight: 400; margin-top: 4px; }
.principle-node.principle-active { border-color: #34a18a; background: #eaf7ef; box-shadow: 0 0 0 2px #09857710; }
.principle-node.principle-selected { border-bottom: 3px solid #087f78; }
.principle-cpu { background: #163d32; border-color: #163d32; color: #f3faf4; }
.principle-cpu.principle-active { background: #175648; color: #fff; }
.principle-cpu .principle-node-title small, .principle-cpu > small { color: #adc4b8; }
.principle-field { background: #fff; }
.principle-code { font-family: Consolas, monospace; font-size: 16px; font-weight: bold; margin: auto 0; color: #b2e7c2; white-space: nowrap; }
.principle-bit { font-size: 31px; color: #9aa79e; font-weight: 500; font-family: Consolas, monospace; line-height: 1; }
.principle-bit.principle-on, .principle-output-reading .principle-on { color: #087f63; }
.principle-arrow { display: flex; align-items: center; justify-content: center; color: #bdc9be; font-size: 20px; }
.principle-arrow.principle-active { color: #087f78; font-weight: bold; }
.principle-switch { border: 0; padding: 0; color: #718176; display: flex; flex-direction: column; align-items: center; gap: 6px; background: transparent; cursor: pointer; margin-bottom: -6px; }
.principle-switch-track { display: inline-flex; align-items: center; background: #d2dcd3; width: 39px; height: 23px; border-radius: 18px; padding: 3px; transition: background .2s; }
.principle-switch-track > span { background: #fff; width: 17px; height: 17px; border-radius: 50%; box-shadow: 0 1px 4px #263b2520; transition: transform .2s; }
.principle-switch[aria-checked="true"] .principle-switch-track { background: #0b8e77; }
.principle-switch[aria-checked="true"] .principle-switch-track > span { transform: translateX(16px); }
.principle-switch strong { font-size: 10px; font-weight: 500; }
.principle-lamp { height: 31px; width: 31px; background: #e1e7de; border: 5px solid #f1f4ef; border-radius: 50%; box-shadow: 0 0 0 1px #cbd6c8; margin: 8px 0 0; }
.principle-lamp.principle-on { background: #7cc142; border-color: #e3f3b7; box-shadow: 0 0 0 1px #88bd55, 0 0 18px #8ac64c5c; }
.principle-output-reading { font-size: 12px; font-weight: 700; color: #7d8b7f; }
.principle-support-line { text-align: center; height: 24px; color: #8baf9c; }
.principle-support-line span { font-size: 22px; display: inline-block; line-height: 24px; }
.principle-support { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.principle-support button { border: 1px solid #e0e7df; background: #f8faf6; padding: 14px 10px; border-radius: 10px; color: #58735e; text-align: left; cursor: pointer; display: grid; grid-template-columns: 23px 1fr; align-items: center; gap: 5px; }
.principle-support-icon { grid-row: span 2; font-size: 24px; color: #88a18c; }
.principle-support strong { font-size: 11px; }
.principle-support small { font-size: 9px; color: #859381; }
.principle-support .principle-selected { border-color: #64a18f; background: #edf7ef; }
.principle-block-detail { display: flex; gap: 10px; margin-top: 17px; min-height: 85px; color: #677e6d; font-size: 12px; line-height: 1.8; }
.principle-block-detail strong { color: #3b6654; font-size: 12px; }
.principle-block-detail p { margin: 3px 0 0; }
.principle-detail-marker { flex: 0 0 3px; height: 14px; margin-top: 4px; border-radius: 2px; background: #6ba189; }
.principle-transport { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; padding-top: 19px; margin-top: 7px; border-top: 1px solid #edf1eb; }
.principle-transport > button { border: 1px solid #dce5db; border-radius: 8px; background: #fff; padding: 10px 13px; font-size: 12px; font-weight: 650; color: #496951; cursor: pointer; min-height: 40px; }
.principle-transport > .principle-primary { background: #087f78; border-color: #087f78; color: #fff; }
.principle-transport > button:disabled { opacity: .42; cursor: default; }
.principle-speed { display: flex; align-items: center; gap: 7px; font-size: 10px; color: #768973; margin-left: auto; }
.principle-speed select { background: #f4f7f0; border: 1px solid #dce6d5; color: #496951; border-radius: 7px; padding: 7px; font-size: 11px; }
.principle-announcement { margin-top: 17px; background: #f2f7ee; padding: 12px 14px; border-radius: 9px; color: #72816a; font-size: 12px; min-height: 77px; }
.principle-announcement strong { color: #416446; font-size: 12px; }
.principle-announcement p { margin: 5px 0 0; line-height: 1.6; }
.principle-notebook { padding: 20px 3px 0; }
.principle-notebook h3 { font-size: 24px; line-height: 1.5; margin: 12px 0 20px; font-weight: 650; letter-spacing: -.04em; }
.principle-notebook ol { margin: 0; padding-left: 20px; color: #78827a; font-size: 13px; line-height: 1.85; }
.principle-notebook li { padding-left: 5px; margin-bottom: 14px; }
.principle-notebook li::marker { color: #64a088; font-weight: bold; font-size: 11px; }
.principle-notebook strong { color: #486556; font-weight: 650; }
.principle-observation { background: #e7efe0; padding: 15px; margin-top: 25px; border-radius: 12px; }
.principle-observation > span { color: #7c9571; font-size: 10px; font-weight: 700; letter-spacing: .05em; }
.principle-observation p { color: #526b49; font-size: 12px; line-height: 1.8; margin: 7px 0 0; }
.principle-answer { font-size: 12px; color: #517352; line-height: 1.8; margin: 16px 0; }
.principle-answer summary { cursor: pointer; padding: 5px 0; }
.principle-answer p { margin: 6px 0; color: #6b7c66; }
.principle-boundary { border-top: 1px solid #dce4d8; padding-top: 15px; font-size: 11px; line-height: 1.9; color: #83917b; }
.principle-source { font-size: 11px; color: #43836b; text-decoration: none; display: inline-block; margin-top: 8px; }
.principle-source:hover { text-decoration: underline; }
.principle-panel button:hover:not(:disabled) { filter: brightness(.975); }
.principle-panel :focus-visible { outline: 3px solid #38b7a080; outline-offset: 4px; }
@media (max-width: 1150px) { .principle-layout { grid-template-columns: 1fr; } .principle-notebook { display: grid; grid-template-columns: 1fr 1.5fr; column-gap: 26px; padding: 8px; } .principle-notebook > .principle-kicker { grid-column: 1 / -1; } .principle-notebook h3 { grid-column: 1; grid-row: 2; } .principle-notebook ol { grid-column: 2; grid-row: 2 / span 3; } .principle-observation { grid-column: 1; margin-top: 0; } .principle-boundary, .principle-source { grid-column: 1 / -1; } }
@media (max-width: 700px) { .principle-panel { padding-top: 18px; } .principle-heading { flex-direction: column; gap: 12px; margin-bottom: 16px; } .principle-heading h2 { font-size: 24px; } .principle-heading p { font-size: 12px; } .principle-workspace { padding: 17px 12px; border-radius: 14px; } .principle-stages { gap: 5px; margin-bottom: 22px; } .principle-stages li { flex-direction: column; text-align: center; gap: 3px; padding: 10px 3px; } .principle-stages small { font-size: 9px; } .principle-stages strong { font-size: 11px; } .principle-flow { grid-template-columns: minmax(0, 1fr); gap: 0; } .principle-node { min-height: 0; height: 77px; padding: 12px 16px; flex-direction: row; justify-content: space-between; gap: 8px; border-radius: 10px; } .principle-node-title { min-width: 76px; text-align: left; } .principle-node > small { margin-top: 0; min-width: 82px; font-size: 10px; text-align: right; } .principle-arrow { height: 22px; line-height: 22px; transform: rotate(90deg); } .principle-switch { margin-bottom: 0; } .principle-switch strong { display: none; } .principle-field[data-node="input"] .principle-bit { font-size: 26px; } .principle-field[data-node="input"] > small { min-width: 0; max-width: 60px; } .principle-code { margin: 0; font-size: 20px; } .principle-lamp { width: 27px; height: 27px; margin: 0; flex-shrink: 0; } .principle-output-reading { white-space: nowrap; } .principle-field[data-node="output"] > small { display: none; } .principle-support { grid-template-columns: 1fr; gap: 6px; } .principle-support button { grid-template-columns: 23px 1fr auto; padding: 11px; } .principle-support-icon { grid-row: auto; } .principle-support small { font-size: 10px; } .principle-block-detail { min-height: 97px; } .principle-transport { gap: 6px; } .principle-transport > button { padding: 9px 10px; font-size: 11px; } .principle-speed { width: 100%; margin: 5px 0 0; justify-content: flex-end; } .principle-notebook { display: block; padding: 7px; } .principle-notebook h3 { font-size: 23px; } .principle-notebook h3 br { display: none; } .principle-observation { margin-top: 20px; } }
@media (prefers-reduced-motion: reduce) { .principle-panel *, .principle-panel *::before, .principle-panel *::after { transition: none !important; animation: none !important; } }