:root{
  --navy:#0b2f50;--navy-2:#123d64;--blue:#2c83ec;--blue-2:#eaf4ff;--teal:#0f9f83;--green:#0b8f66;
  --bg:#eef4f8;--surface:#fff;--surface-2:#f7fafc;--text:#102b43;--muted:#6b8295;--line:#d8e4ed;--line-strong:#c5d5e1;
  --danger:#d94b4b;--warning:#a8791f;--radius:14px;--shadow:0 5px 18px rgba(13,49,83,.06);--sidebar:244px;--topbar:66px;
  font-family:Inter,"Pretendard","Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:var(--bg);color:var(--text);font-size:14px;line-height:1.45;overflow-x:hidden}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}svg{display:block}a{color:inherit}
:focus-visible{outline:3px solid rgba(44,131,236,.28);outline-offset:2px}
.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:linear-gradient(180deg,#0a2c4a 0%,#0b355a 100%);color:#d8e7f3;z-index:50;display:flex;flex-direction:column;padding:18px 13px 14px;box-shadow:8px 0 28px rgba(7,34,57,.12)}
.brand{display:flex;align-items:center;gap:11px;padding:5px 5px 18px;border-bottom:1px solid rgba(255,255,255,.09)}.brand-mark{width:40px;height:40px;border-radius:11px;background:linear-gradient(145deg,#3ea2ff,#256cd0);display:grid;place-items:center;color:#fff;box-shadow:0 7px 18px rgba(30,132,235,.25)}.brand strong{display:block;color:#fff;font-size:16px;letter-spacing:-.2px}.brand span{display:block;color:#97b6cf;font-size:10px;margin-top:2px}.sidebar-close{display:none;margin-left:auto;background:none;border:0;color:#fff;padding:5px}
.side-nav{display:grid;gap:5px;margin-top:16px}.side-nav button{width:100%;border:0;background:transparent;color:#bdd2e2;border-radius:9px;padding:10px 11px;display:flex;gap:10px;align-items:center;text-align:left;transition:.16s}.side-nav button:hover{background:rgba(255,255,255,.07);color:#fff}.side-nav button.is-active{background:linear-gradient(90deg,#2d87ef,#2879dd);color:#fff;box-shadow:0 6px 16px rgba(16,113,218,.26)}.side-nav button svg{flex:0 0 auto}.side-nav button span{font-weight:650;font-size:12px}
.sidebar-guide{margin-top:auto;border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.07);border-radius:12px;padding:12px;color:#bcd0df}.sidebar-guide>svg{margin-bottom:8px}.sidebar-guide strong{display:block;color:#fff;font-size:11px}.sidebar-guide ol{margin:8px 0 0;padding-left:18px;font-size:9px;line-height:1.75}.sidebar-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:10px}.sidebar-actions button{border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06);color:#e4f0f8;border-radius:8px;padding:8px 5px;display:flex;align-items:center;justify-content:center;gap:5px;font-size:9px}.sidebar-actions button:hover{background:rgba(255,255,255,.12)}
.main-column{margin-left:var(--sidebar);width:calc(100% - var(--sidebar));min-height:100vh}.topbar{position:sticky;top:0;z-index:40;height:var(--topbar);display:flex;align-items:center;gap:12px;padding:0 24px;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(13,49,83,.03)}.topbar>div:nth-child(2){min-width:0}.topbar strong{display:block;font-size:14px}.topbar span{display:block;margin-top:3px;color:var(--muted);font-size:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-actions{margin-left:auto;display:flex;gap:8px}.mobile-menu{display:none;width:38px;height:38px;place-items:center;border:1px solid var(--line);background:#fff;border-radius:9px;color:var(--text)}
.workspace{max-width:1480px;margin:0 auto;padding:18px 22px 6px}.intro-panel{scroll-margin-top:84px;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(360px,.8fr);gap:22px;align-items:center;background:linear-gradient(112deg,#103a60 0%,#1c5c8e 100%);border-radius:16px;color:#fff;padding:25px 28px;box-shadow:0 9px 22px rgba(11,47,80,.1)}.intro-panel h1{margin:0;font-size:23px;line-height:1.35;letter-spacing:-.7px}.intro-panel p{margin:9px 0 0;color:#d7e9f6;font-size:11px;line-height:1.7;max-width:840px}.intro-summary{display:grid;grid-template-columns:1fr 1fr;gap:9px}.intro-summary>div{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.10);border-radius:10px;padding:11px 12px}.intro-summary span{display:block;color:#cae1f2;font-size:9px}.intro-summary strong{display:block;margin-top:3px;font-size:16px;color:#fff}
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin:14px 0}.step{display:flex;align-items:center;gap:8px;min-width:0;background:#fff;border:1px solid var(--line);border-radius:11px;padding:10px 11px;box-shadow:0 2px 10px rgba(13,49,83,.025)}.step>span{width:26px;height:26px;display:grid;place-items:center;border-radius:50%;background:#eaf4ff;color:#2276d7;font-size:10px;font-weight:800;flex:0 0 auto}.step strong{display:block;font-size:10px;white-space:nowrap}.step small{display:block;color:var(--muted);font-size:8px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.panel{scroll-margin-top:84px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:14px}.section-head{display:flex;align-items:flex-start;gap:10px;padding:16px 17px;border-bottom:1px solid var(--line)}.section-head--actions{justify-content:space-between;align-items:center}.section-head--actions>div:first-child,.section-head>div{display:flex;align-items:flex-start;gap:10px}.section-number{width:28px;height:28px;border-radius:50%;background:#2d83ea;color:#fff;display:grid;place-items:center;font-weight:800;font-size:11px;flex:0 0 auto}.section-head h2{margin:0;font-size:14px;letter-spacing:-.2px}.section-head p{margin:3px 0 0;color:var(--muted);font-size:9px}.button-row{display:flex;gap:7px;flex-wrap:wrap}.button{border:1px solid var(--line-strong);border-radius:8px;background:#fff;color:var(--text);min-height:36px;padding:8px 12px;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-weight:650;font-size:10px;white-space:nowrap;transition:.15s}.button:hover{border-color:#8db6d5;background:#f8fbfd}.button--primary{background:#2d83ea;border-color:#2d83ea;color:#fff}.button--primary:hover{background:#2375d7}.button--soft{background:#eef6ff;border-color:#c9e0f7;color:#2471c7}.button--ghost{background:#fff}.button--small{min-height:32px;padding:6px 9px;font-size:9px}.button--calculate{background:linear-gradient(90deg,#2582ed,#0ca57f);border:0;color:#fff;padding:11px 16px;font-size:11px;box-shadow:0 5px 14px rgba(31,126,208,.18)}
.container-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:10px;padding:12px}.container-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;transition:.15s}.container-card.is-selected{border-color:#2b82ed;box-shadow:0 0 0 1px #2b82ed inset}.container-card__toggle{width:100%;position:relative;display:block;text-align:left;border:0;background:#fff;color:var(--text);padding:13px}.container-card__toggle:hover{background:#fbfdff}.select-dot{position:absolute;right:10px;top:10px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;border:1px solid #bfd0dc;background:#fff;color:#fff}.container-card.is-selected .select-dot{background:#2d83ea;border-color:#2d83ea}.container-illustration{width:128px;height:64px;display:block;margin-bottom:5px}.container-card__title{display:flex;align-items:center;gap:7px}.container-card__title strong{font-size:12px}.container-card__title span{font-size:8px;background:#eef4f8;color:#678095;border-radius:5px;padding:2px 5px}.container-card small{display:block;color:#6a8194;font-size:8px;margin-top:3px}.container-card__stats{display:flex;gap:18px;border-top:1px dashed #d9e3ea;margin-top:10px;padding-top:9px;font-size:9px}.container-card__stats b{font-size:11px}.container-card__actions{display:flex;gap:5px;padding:7px 11px;border-top:1px solid #edf2f5}.container-card__actions button{border:0;background:none;color:#6d8294;display:flex;align-items:center;gap:4px;font-size:8px;padding:4px}.container-card__actions .danger-link{color:var(--danger)}
.table-scroll{overflow:auto}.data-table{width:100%;border-collapse:collapse;min-width:900px}.cargo-table{min-width:1260px}.data-table th{background:#f6f9fb;color:#667e90;font-size:8px;text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap}.data-table td{padding:10px;border-bottom:1px solid #edf2f5;font-size:9px;vertical-align:middle}.data-table tbody tr:last-child td{border-bottom:0}.data-table tbody tr:hover{background:#fbfdff}.cargo-name{display:flex;align-items:center;gap:9px}.cargo-name i{width:11px;height:34px;border-radius:5px;flex:0 0 auto}.cargo-name strong{display:block;font-size:10px}.cargo-name small,.cell-sub{display:block;color:#8294a2;font-size:7px;margin-top:3px}.package-chip,.status-chip{display:inline-flex;align-items:center;border-radius:999px;background:#edf4f9;color:#4d6d86;padding:4px 7px;font-size:7px;font-weight:700}.package-chip{background:#eef5ff;color:#2c72bd}.status-chip--accent{background:#e9f8f3;color:#0b8e64}.inner-cell strong{display:block;font-size:9px;margin-top:4px}.inner-cell small{display:block;color:#8497a5;font-size:7px}.muted{color:#9aa9b4}.align-right{text-align:right!important}.row-actions{display:flex;justify-content:flex-end;gap:5px}.row-actions button{width:29px;height:29px;border:1px solid var(--line);background:#fff;border-radius:7px;display:grid;place-items:center;color:#52718a}.row-actions button:hover{background:#f4f8fb}.row-actions .danger{color:var(--danger)}.empty-state{display:grid;place-items:center;padding:34px;color:#7a8f9f}.empty-state strong{font-size:11px}.empty-state span{font-size:9px;margin-top:4px}
.package-library{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:12px}.package-option{border:1px solid var(--line);border-radius:11px;padding:12px;display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;background:#fff;min-width:0}.package-option__icon{width:38px;height:38px;border-radius:9px;background:#eef6ff;color:#2778d2;display:grid;place-items:center}.package-option strong{display:block;font-size:10px}.package-option p{margin:4px 0;color:#6d8294;font-size:8px;line-height:1.55}.package-option small{display:block;color:#8799a7;font-size:7px;line-height:1.5}.package-option .button{grid-column:1/-1;width:100%;margin-top:2px}
.logic-note{display:flex;gap:9px;margin:0 12px 12px;padding:11px 12px;background:#edf6ff;border:1px solid #cae2f7;border-radius:9px;color:#2e699b}.logic-note>svg{flex:0 0 auto}.logic-note strong{display:block;font-size:9px}.logic-note span{display:block;margin-top:2px;font-size:8px;line-height:1.6;color:#5d7e99}
.preset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;padding:12px 12px 0}.preset-card{position:relative;border:1px solid var(--line);background:#fff;border-radius:10px;text-align:left;padding:11px 12px 11px 42px;min-height:74px;color:var(--text)}.preset-card:hover{background:#fbfdff}.preset-card.is-selected{border-color:#2d83ea;background:#f6fbff;box-shadow:0 0 0 1px #2d83ea inset}.radio-dot{position:absolute;left:13px;top:14px;width:18px;height:18px;border-radius:50%;border:1px solid #b9cad7;background:#fff}.preset-card.is-selected .radio-dot{border:5px solid #2d83ea}.preset-card strong{display:block;font-size:10px}.preset-card>span:not(.radio-dot){display:block;color:#536d82;font-size:8px;margin-top:2px}.preset-card small{display:block;color:#8a9ba8;font-size:7px;margin-top:5px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #eef2f5;margin-top:12px}.settings-grid--dense{grid-template-columns:1fr 1fr}.setting-control,.setting-toggle{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;border-bottom:1px solid #eef2f5}.setting-control:nth-child(odd),.setting-toggle:nth-child(odd){border-right:1px solid #eef2f5}.setting-control strong,.setting-toggle strong{display:block;font-size:9px}.setting-control span,.setting-toggle span{display:block;color:#8295a4;font-size:7px;margin-top:2px}.number-unit{height:34px;display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;flex:0 0 auto}.number-unit input{width:78px;border:0;text-align:right;padding:0 9px;font-weight:700;color:var(--text);outline:0}.number-unit span{margin:0!important;min-width:46px;padding:9px 8px;background:#f6f9fb;border-left:1px solid var(--line);text-align:center}.switch{display:inline-flex;align-items:center}.switch input{position:absolute;opacity:0;pointer-events:none}.switch span{width:38px;height:22px;border-radius:999px;background:#cbd9e3;position:relative;transition:.15s;margin:0!important}.switch span:after{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:.15s}.switch input:checked+span{background:#2d83ea}.switch input:checked+span:after{transform:translateX(16px)}
.calculate-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(90deg,#103a60,#0e446d);color:#fff;border-radius:12px;padding:13px 15px;margin-bottom:14px;box-shadow:0 7px 18px rgba(11,47,80,.08)}.calculate-bar strong{display:block;font-size:10px}.calculate-bar span{display:block;color:#c9deed;font-size:8px;margin-top:3px}
.pre-result{scroll-margin-top:84px;padding:18px;display:flex;align-items:center;gap:12px}.pre-result__icon{width:44px;height:44px;border-radius:11px;background:#eef5fb;color:#3e759f;display:grid;place-items:center}.pre-result strong{display:block;font-size:11px}.pre-result span{display:block;margin-top:4px;color:var(--muted);font-size:9px}.results-panel{scroll-margin-top:84px}.result-stats{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid #e7edf2}.result-stats--six{grid-template-columns:repeat(6,1fr)}.metric{padding:13px 12px;display:grid;grid-template-columns:auto 1fr;column-gap:8px;align-items:center;border-right:1px solid #e7edf2;min-width:0}.metric:last-child{border-right:0}.metric svg{grid-row:1/4;color:#55748b}.metric span{font-size:7px;color:var(--muted)}.metric strong{font-size:14px;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.metric small{font-size:7px;color:#8da0af;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.metric--accent{background:#effaf6}.metric--accent svg,.metric--accent strong{color:#0d8d61}.metric--warning{background:#fff8e8}.metric--warning svg,.metric--warning strong{color:#9b6a14}.warning-banner{display:flex;gap:10px;padding:11px 14px;background:#fff8e8;color:#8d6718;border-bottom:1px solid #f0e0af}.warning-banner strong{display:block;font-size:9px}.warning-banner span{display:block;margin-top:2px;font-size:8px}.container-results{padding:12px}.container-result{border:1px solid var(--line);border-radius:11px;overflow:hidden;margin-bottom:9px}.container-result:last-child{margin-bottom:0}.container-result__head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;border:0;background:#fbfdff;padding:12px 14px;text-align:left;color:var(--text)}.container-result__head:hover{background:#f5f9fc}.container-result__head strong{display:block;font-size:10px}.container-result__head span{display:block;color:var(--muted);font-size:8px;margin-top:3px}.head-meters{display:flex;gap:12px;align-items:center;flex:0 0 auto}.head-meters>span{margin:0}.head-meters b{color:var(--text)}.container-result__body{border-top:1px solid var(--line);background:#fff}.visualizer-wrap{padding:12px;border-bottom:1px solid #edf2f5}.visualizer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}.visualizer-toolbar strong{display:block;font-size:10px}.visualizer-toolbar span{display:block;color:#7c91a1;font-size:8px;margin-top:2px}.view-switch{display:flex;border:1px solid var(--line);border-radius:8px;padding:2px;background:#f7fafc}.view-switch button{border:0;background:transparent;color:#627b8f;border-radius:6px;padding:6px 9px;font-size:8px}.view-switch button.is-active{background:#fff;color:#246fc0;box-shadow:0 1px 4px rgba(20,53,81,.1);font-weight:700}.visualizer-canvas{height:390px;border:1px solid #e5edf3;border-radius:9px;background:linear-gradient(180deg,#fbfdff,#f4f8fb);overflow:hidden;display:grid;place-items:center}.load-svg{width:100%;height:100%;min-width:0;min-height:0}.load-floor{fill:#e8f1f7;stroke:#b6cbd9;stroke-width:1}.container-frame line{stroke:#6889a1;stroke-width:1.25;stroke-dasharray:5 4;vector-effect:non-scaling-stroke}.cargo-cube polygon{vector-effect:non-scaling-stroke}.top-box-label{font-size:8px;fill:#17324a;pointer-events:none}.plan-label{font-size:12px;fill:#5d7689}.visualizer-legend{display:flex;flex-wrap:wrap;gap:9px;padding:8px 2px 0}.visualizer-legend span{display:flex;align-items:center;gap:5px;color:#61798d;font-size:8px}.visualizer-legend i{width:9px;height:9px;border-radius:3px}.container-analytics{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid #edf2f5}.container-analytics>div{padding:10px 12px;border-right:1px solid #edf2f5}.container-analytics>div:last-child{border-right:0}.container-analytics span{display:block;color:#7a8f9f;font-size:7px}.container-analytics strong{display:block;margin-top:2px;font-size:10px}.container-warning{margin:10px 12px 0;display:flex;gap:8px;padding:9px 10px;border:1px solid #f1dfaf;background:#fff8e7;border-radius:8px;color:#8d6718}.container-warning span{display:block;font-size:8px;line-height:1.55}.result-grid{display:grid;grid-template-columns:1.15fr .85fr}.result-table-wrap{padding:12px;border-right:1px solid #eef2f5}.result-table-wrap:last-child{border-right:0}.result-table-wrap h3{margin:0 0 8px;font-size:10px}.compact{min-width:0}.compact th,.compact td{padding:7px 8px}.nested-list{display:grid;gap:7px}.nested-card{border:1px solid #dce7ee;border-radius:9px;padding:9px;background:#fbfdff}.nested-card>div{display:flex;justify-content:space-between;gap:8px}.nested-card strong{font-size:9px}.nested-card span{font-size:7px;color:var(--muted)}.nested-card>b{display:block;margin-top:5px;color:#0c8760;font-size:10px}.nested-card small{display:block;margin-top:2px;color:var(--muted);font-size:7px}.nested-card ul{margin:6px 0 0;padding-left:15px;font-size:7px;color:#4e6579}.empty-mini{border:1px dashed #d8e2ea;border-radius:8px;padding:18px;color:#8193a1;font-size:8px;text-align:center}.placement-details{margin:0 12px 12px;border:1px solid #e0e8ef;border-radius:8px;overflow:hidden}.placement-details summary{padding:9px 11px;background:#f8fafc;font-size:8px;font-weight:700;cursor:pointer}.coordinates-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:6px;padding:8px}.coordinates-grid>div{border:1px solid #eef2f5;border-radius:7px;padding:7px}.coordinates-grid strong{display:block;font-size:8px}.coordinates-grid span,.coordinates-grid small{display:block;color:var(--muted);font-size:7px;margin-top:2px}.coordinates-grid code{display:block;margin-top:4px;font-size:7px;color:#245e8c}.calc-note{padding:0 14px 13px;color:#7d8f9e;font-size:7px}
.export-panel{scroll-margin-top:84px}.export-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;padding:12px}.export-card{border:1px solid var(--line);background:#fff;border-radius:10px;padding:13px;display:flex;align-items:center;gap:10px;text-align:left;color:var(--text);min-height:76px}.export-card:hover{background:#fbfdff;border-color:#a9c5d8}.export-card>svg{width:26px;height:26px;color:#55768f;flex:0 0 auto}.export-card strong{display:block;font-size:10px}.export-card span{display:block;color:#7f93a2;font-size:7px;margin-top:3px;line-height:1.45}.export-card--pdf{background:#fff7f7;border-color:#f2d3d3}.export-card--pdf>svg{color:#d94747}.export-card--xls{background:#f3fbf7;border-color:#cde8d9}.export-card--xls>svg{color:#0c9260}.export-card--png{background:#f4f8ff;border-color:#cfddf2}.export-card--png>svg{color:#3c74d7}.method-panel{margin:14px 0 0;display:flex;gap:10px;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:#f7fafc;color:#526d82}.method-panel strong{display:block;font-size:9px;color:#334e63}.method-panel p{margin:3px 0 0;font-size:8px;line-height:1.6}.footer{display:flex;justify-content:space-between;gap:15px;padding:16px 24px 23px;color:#7c8e9d;font-size:8px;max-width:1480px;margin:0 auto}
.modal-backdrop{position:fixed;inset:0;background:rgba(6,25,41,.56);display:grid;place-items:center;padding:18px;z-index:100;backdrop-filter:blur(4px)}.modal{width:min(960px,100%);max-height:94vh;overflow:auto;background:#fff;border-radius:15px;box-shadow:0 24px 70px rgba(0,0,0,.25)}.modal--small{width:min(650px,100%)}.modal__header{position:sticky;top:0;z-index:2;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:17px 19px;border-bottom:1px solid var(--line);background:#fff}.modal__header h2{margin:0;font-size:17px}.modal__header p{margin:4px 0 0;color:var(--muted);font-size:9px}.icon-button{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:white;color:#536a7d;flex:0 0 auto}.modal__body{padding:16px 18px}.form-section{padding:0 0 15px;margin-bottom:15px;border-bottom:1px solid #edf2f5}.form-section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}.form-section>h3,.form-section__head h3{margin:0 0 10px;font-size:11px}.form-section--accent{background:#f7fbff;border:1px solid #d6e7f4;border-radius:11px;padding:13px;margin-bottom:15px}.form-section__head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:11px}.form-section__head h3{margin:0}.form-section__head p{margin:3px 0 0;color:#6e8496;font-size:8px}.computed-badge{flex:0 0 auto;background:#e8f4ff;color:#226db9;border-radius:7px;padding:7px 9px;font-size:8px;font-weight:700}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.field{display:grid;gap:5px}.field--wide{grid-column:1/-1}.field>span{font-size:9px;font-weight:700;color:#4c6275}.field input,.field select{width:100%;border:1px solid var(--line-strong);border-radius:8px;padding:8px 9px;color:var(--text);background:#fff;min-height:36px}.field small{color:#8194a3;font-size:7px;line-height:1.5}.field-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:10px 12px;background:#f7fafc;border:1px solid var(--line);border-radius:9px}.check{display:flex;gap:7px;align-items:center;font-size:9px}.check input{width:15px;height:15px;accent-color:var(--blue)}.color-field{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:9px}.color-field input{width:34px;height:28px;padding:0;border:0;background:none}.override-grid{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding-top:2px}.override-grid.is-hidden{display:none}.inner-space{margin-top:10px;border:1px solid #cfe1ef;background:#f7fbfe;border-radius:11px;padding:12px}.inner-space__head{display:flex;justify-content:space-between;align-items:center;gap:14px}.inner-space__head strong{display:block;font-size:10px}.inner-space__head p{margin:3px 0 0;color:var(--muted);font-size:8px}.inner-space__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-top:11px;padding-top:11px;border-top:1px dashed #cadde9}.modal__footer{position:sticky;bottom:0;display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--line);background:#fbfcfd}
.toast-stack{position:fixed;right:18px;bottom:18px;z-index:200;display:grid;gap:8px;width:min(360px,calc(100vw - 36px))}.toast{display:flex;align-items:center;gap:8px;padding:11px 12px;border-radius:10px;color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.16);font-size:9px}.toast--success{background:#0f8c62}.toast--error{background:#c44949}.toast--info{background:#285f8c}
@media(max-width:1280px){:root{--sidebar:220px}.package-library{grid-template-columns:repeat(2,1fr)}.result-stats--six{grid-template-columns:repeat(3,1fr)}.result-stats--six .metric:nth-child(3){border-right:0}.result-stats--six .metric:nth-child(-n+3){border-bottom:1px solid #e7edf2}.export-grid{grid-template-columns:repeat(3,1fr)}.steps{grid-template-columns:repeat(3,1fr)}.visualizer-canvas{height:340px}}
@media(max-width:980px){.sidebar{transform:translateX(-105%);transition:.22s;width:260px}.sidebar.is-open{transform:translateX(0)}.sidebar-close{display:block}.main-column{margin-left:0;width:100%}.mobile-menu{display:grid}.topbar{padding:0 14px}.workspace{padding:14px}.intro-panel{grid-template-columns:1fr}.intro-summary{grid-template-columns:repeat(4,1fr)}.settings-grid--dense{grid-template-columns:1fr}.setting-control:nth-child(odd),.setting-toggle:nth-child(odd){border-right:0}.result-grid{grid-template-columns:1fr}.result-table-wrap{border-right:0;border-bottom:1px solid #eef2f5}.result-table-wrap:last-child{border-bottom:0}.container-analytics{grid-template-columns:repeat(2,1fr)}.container-analytics>div:nth-child(2){border-right:0}.container-analytics>div:nth-child(-n+2){border-bottom:1px solid #edf2f5}.visualizer-canvas{height:320px}.inner-space__grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.topbar{height:58px}.topbar span{display:none}.topbar-actions .button:first-child{display:none}.workspace{padding:10px}.intro-panel{padding:18px;border-radius:12px}.intro-panel h1{font-size:19px}.intro-summary{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.section-head{padding:13px}.section-head--actions{align-items:flex-start;flex-direction:column}.section-head--actions .button-row{width:100%}.section-head--actions .button-row .button{flex:1}.container-cards{grid-template-columns:1fr;padding:10px}.package-library{grid-template-columns:1fr;padding:10px}.preset-grid{grid-template-columns:1fr}.calculate-bar{align-items:flex-start;flex-direction:column}.button--calculate{width:100%}.result-stats--six{grid-template-columns:1fr 1fr}.result-stats--six .metric{border-right:0;border-bottom:1px solid #e7edf2}.result-stats--six .metric:nth-child(odd){border-right:1px solid #e7edf2}.visualizer-toolbar{align-items:flex-start;flex-direction:column}.visualizer-canvas{height:250px}.head-meters{flex-direction:column;align-items:flex-end;gap:2px}.container-result__head{align-items:flex-start}.export-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr 1fr}.override-grid{grid-template-columns:1fr}.computed-badge{display:none}.inner-space__grid{grid-template-columns:1fr}.field-row{align-items:flex-start}.color-field{margin-left:0}.modal-backdrop{padding:7px}.modal{max-height:97vh;border-radius:11px}.footer{flex-direction:column;padding:14px}.coordinates-grid{grid-template-columns:1fr 1fr}}
@media(max-width:430px){.steps{grid-template-columns:1fr}.intro-summary{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.result-stats--six{grid-template-columns:1fr}.result-stats--six .metric:nth-child(odd){border-right:0}.container-analytics{grid-template-columns:1fr}.container-analytics>div{border-right:0;border-bottom:1px solid #edf2f5}.coordinates-grid{grid-template-columns:1fr}.topbar-actions .button{padding:7px 8px}.section-head--actions .button-row .button{min-width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* v1.1 — practical rotation editing and multi-objective container planning */
.inline-number{display:flex;align-items:center;min-width:88px}.inline-number input{width:62px;min-height:30px;border:1px solid var(--line-strong);border-radius:7px 0 0 7px;padding:5px 7px;color:var(--text);background:#fff;font-size:9px;font-weight:700}.inline-number span{min-height:30px;display:grid;place-items:center;border:1px solid var(--line-strong);border-left:0;border-radius:0 7px 7px 0;padding:0 7px;background:#f5f8fa;color:var(--muted);font-size:8px}.inline-select{width:154px;min-height:32px;border:1px solid var(--line-strong);border-radius:7px;padding:5px 25px 5px 7px;background:#fff;color:var(--text);font-size:8px;font-weight:650}.orientation-tip,.info-banner{display:flex;align-items:flex-start;gap:8px;margin:0 12px 12px;padding:9px 11px;border:1px solid #cfe3f5;background:#eef7ff;border-radius:9px;color:#3e6684;font-size:8px;line-height:1.55}.orientation-tip svg,.info-banner svg{flex:0 0 auto;margin-top:1px;color:#2b7ed7}.orientation-tip b{color:#1c5f9b}.info-banner{margin:12px;border-color:#cce8df;background:#effaf6;color:#426b5f}.info-banner strong,.info-banner span{display:block}.info-banner strong{font-size:9px;color:#167256}.info-banner span{margin-top:2px}
.optimization-block{padding:12px 12px 0}.subsection-title{display:flex;align-items:baseline;gap:9px;margin-bottom:8px}.subsection-title strong{font-size:10px}.subsection-title span{color:var(--muted);font-size:8px}.subsection-title--border{margin:14px 12px 0;padding-top:12px;border-top:1px solid #edf2f5}.optimization-grid{grid-template-columns:repeat(5,1fr);padding:0}.optimization-card{min-height:92px}.alternative-plans{margin:12px;border:1px solid #d7e6f2;border-radius:11px;background:#f8fbfe;overflow:hidden}.alternative-plans__head{padding:10px 11px;border-bottom:1px solid #e1eaf1;display:flex;align-items:baseline;gap:8px}.alternative-plans__head strong{font-size:10px}.alternative-plans__head span{color:var(--muted);font-size:8px}.alternative-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:9px}.alternative-card{border:1px solid #dbe5ed;background:#fff;border-radius:9px;padding:9px;text-align:left;color:var(--text);display:grid;gap:3px}.alternative-card:hover{border-color:#92bad9;background:#fbfdff}.alternative-card.is-selected{border-color:#2d83ea;box-shadow:0 0 0 1px #2d83ea inset;background:#f3f8ff}.alternative-card span{font-size:8px;color:#527088}.alternative-card strong{font-size:16px}.alternative-card small{font-size:8px;color:#34566f}.alternative-card em{font-size:7px;color:#748a9a;font-style:normal}
@media(max-width:1180px){.optimization-grid{grid-template-columns:repeat(3,1fr)}.alternative-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.optimization-grid{grid-template-columns:1fr}.alternative-grid{grid-template-columns:1fr}.alternative-plans__head,.subsection-title{align-items:flex-start;flex-direction:column}.inline-select{width:142px}}

/* v1.2 — input diagnostics and explicit lying-orientation preview */
.input-diagnostics{margin:0 0 14px;border:1px solid #d7e5ef;background:#fff;border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.input-diagnostics__head{display:flex;align-items:baseline;gap:9px;padding:11px 13px;border-bottom:1px solid #e7eef4}.input-diagnostics__head strong{font-size:10px}.input-diagnostics__head span{font-size:8px;color:var(--muted)}.diagnostic{display:flex;gap:9px;align-items:flex-start;padding:10px 13px;border-bottom:1px solid #edf2f5;color:#47677f}.diagnostic:last-child{border-bottom:0}.diagnostic svg{flex:0 0 auto;margin-top:1px;color:#2b7ed7}.diagnostic strong,.diagnostic span{display:block}.diagnostic strong{font-size:9px;color:#1b486b}.diagnostic span{font-size:8px;line-height:1.55;margin-top:2px}.diagnostic--warn{background:#fff9eb;color:#7b632d}.diagnostic--warn svg{color:#b07a16}.diagnostic--warn strong{color:#8b6012}.orientation-preview{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.orientation-preview button{border:1px solid #d4e1eb;background:#fff;border-radius:9px;padding:9px 10px;text-align:left;color:var(--text);display:grid;gap:2px}.orientation-preview button:hover{border-color:#91badb;background:#f9fcff}.orientation-preview button.is-selected{border-color:#2d83ea;background:#f1f7ff;box-shadow:0 0 0 1px #2d83ea inset}.orientation-preview span{font-size:8px;color:#59758a}.orientation-preview strong{font-size:10px}.orientation-preview small{font-size:7px;color:#8a9aa7}
@media(max-width:680px){.input-diagnostics__head{align-items:flex-start;flex-direction:column}.orientation-preview{grid-template-columns:1fr}}

/* v1.3 — explicit safe orientation + independent upper/lower stacking permissions */
.orientation-toggles{display:flex;flex-wrap:wrap;gap:4px;min-width:150px}.orientation-toggles label{display:inline-flex;align-items:center;gap:4px;border:1px solid #d7e2eb;border-radius:7px;background:#fff;padding:4px 6px;cursor:pointer;font-size:7px;color:#506c81;white-space:nowrap}.orientation-toggles label:has(input:checked){border-color:#2f80ed;background:#eef6ff;color:#1766b1}.orientation-toggles input{accent-color:#2f80ed;margin:0}.orientation-rule-panel{padding-top:4px}.field-help{display:block;margin:3px 0 9px;color:#698297;line-height:1.55}.orientation-rule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.orientation-rule{display:grid;grid-template-columns:20px 1fr;column-gap:7px;align-items:start;border:1px solid #d9e5ee;border-radius:10px;background:#fff;padding:10px;cursor:pointer;min-height:88px}.orientation-rule input{grid-row:1/4;accent-color:#2f80ed;margin-top:2px}.orientation-rule strong{font-size:9px;color:#173d5b}.orientation-rule span{font-size:8px;font-weight:700;color:#2c648f}.orientation-rule small{font-size:7px;color:#7790a4;line-height:1.4}.orientation-rule:has(input:checked){border-color:#2f80ed;box-shadow:0 0 0 1px #2f80ed inset;background:#f3f8ff}.orientation-safety-note,.stack-safety-note{display:flex;align-items:flex-start;gap:7px;margin-top:9px;border:1px solid #f0d8a1;border-radius:8px;background:#fff9ea;padding:8px 9px;color:#755b24;font-size:7.5px;line-height:1.5}.orientation-safety-note svg,.stack-safety-note svg{flex:0 0 auto;margin-top:1px}.stack-safety-note{grid-column:1/-1;margin:10px 0 0}.stack-rule-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-items:start}.stack-check{min-height:58px;border:1px solid #dce6ed;border-radius:9px;background:#fff;padding:9px;align-items:flex-start}.stack-check>span{display:grid;gap:2px}.stack-check strong{font-size:9px;color:#173d5b}.stack-check small{font-size:7px;color:#72899b;line-height:1.4}.optimization-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:760px){.orientation-rule-grid,.stack-rule-grid{grid-template-columns:1fr}.orientation-toggles{min-width:120px}.optimization-grid{grid-template-columns:1fr}}

/* v5: make the operational capability toggles visible enough for shop-floor use */
.capability-toggles{min-width:230px;gap:5px}.capability-toggles label{font-size:8px;padding:5px 7px;font-weight:700}.capability-toggles label:nth-child(3):has(input:checked),.capability-toggles label:nth-child(4):has(input:checked){border-color:#14a57b;background:#ebfaf5;color:#087454}.cargo-table{min-width:1360px}.cargo-table th,.cargo-table td{font-size:9px}.orientation-tip{font-size:8px;line-height:1.55}
@media(max-width:760px){.capability-toggles{min-width:190px}.capability-toggles label{font-size:7.5px;padding:5px 6px}}

/* v6: simplified orientation/stack rules + CAD-like block packing controls */
.quick-pack-rules{display:grid;grid-template-columns:minmax(158px,1fr) auto;gap:7px;align-items:end;min-width:285px}.quick-rule-select{display:grid;gap:3px}.quick-rule-select>span{font-size:7px;color:#71889a;font-weight:700}.quick-rule-select select{height:32px;border:1px solid #d7e2eb;border-radius:8px;background:#fff;padding:0 9px;color:#24455f;font-size:8px;font-weight:700;outline:none}.quick-rule-select select:focus{border-color:#2f80ed;box-shadow:0 0 0 3px rgba(47,128,237,.12)}.quick-stack-toggle{height:32px;display:inline-flex;align-items:center;gap:6px;border:1px solid #d7e2eb;border-radius:8px;background:#fff;padding:0 9px;cursor:pointer;font-size:8px;font-weight:800;color:#4f687b;white-space:nowrap}.quick-stack-toggle:has(input:checked){border-color:#10a57b;background:#ecfaf5;color:#087553}.quick-stack-toggle input{accent-color:#0fa67a;margin:0}.orientation-mode-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.orientation-mode-card{display:grid;grid-template-columns:18px 1fr;column-gap:7px;row-gap:3px;align-items:start;border:1px solid #d9e5ee;border-radius:10px;background:#fff;padding:11px;cursor:pointer;min-height:74px}.orientation-mode-card input{grid-row:1/3;accent-color:#2f80ed;margin-top:2px}.orientation-mode-card strong{font-size:9px;color:#173d5b}.orientation-mode-card span{font-size:7.5px;line-height:1.45;color:#71899c}.orientation-mode-card:has(input:checked){border-color:#2f80ed;box-shadow:0 0 0 1px #2f80ed inset;background:#f3f8ff}.stack-check--primary{border-color:#bfe8d8;background:#f3fcf9}.stack-check--primary:has(input:checked){border-color:#0fa67a;box-shadow:0 0 0 1px #0fa67a inset}.view-switch{flex-wrap:wrap}.cargo-table{min-width:1420px}
@media(max-width:760px){.quick-pack-rules{min-width:230px;grid-template-columns:1fr}.quick-stack-toggle{width:max-content}.orientation-mode-cards{grid-template-columns:1fr}.view-switch button{padding:6px 7px}}
.container-analytics{grid-template-columns:repeat(6,1fr)}
@media(max-width:900px){.container-analytics{grid-template-columns:repeat(3,1fr)}.container-analytics>div:nth-child(3n){border-right:0}}
@media(max-width:560px){.container-analytics{grid-template-columns:repeat(2,1fr)}.container-analytics>div:nth-child(2n){border-right:0}}
/* v6.1 — two shop-floor decisions: direction change / stacking */
.quick-pack-rules--checks{grid-template-columns:repeat(2,max-content);min-width:248px;align-items:center}.quick-pack-rules--checks .quick-stack-toggle{height:34px}.quick-pack-rules--checks .quick-stack-toggle:first-child:has(input:checked){border-color:#2f80ed;background:#eef6ff;color:#1766b1}.quick-pack-rules--checks .quick-stack-toggle:first-child input{accent-color:#2f80ed}
.simple-capability-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.capability-card{display:grid;grid-template-columns:22px 1fr;gap:8px;align-items:start;border:1px solid #d7e3ec;border-radius:11px;padding:12px;background:#fff;cursor:pointer;min-height:78px}.capability-card input{margin-top:2px;accent-color:#2f80ed}.capability-card div{display:grid;gap:3px}.capability-card strong{font-size:10px;color:#173d5b}.capability-card span{font-size:7.5px;color:#70889b;line-height:1.5}.capability-card:has(input:checked){border-color:#2f80ed;background:#f2f8ff;box-shadow:0 0 0 1px #2f80ed inset}.capability-card:nth-child(2):has(input:checked){border-color:#0fa67a;background:#effbf7;box-shadow:0 0 0 1px #0fa67a inset}.stack-info-card{min-height:58px;border:1px solid #dce6ed;border-radius:9px;background:#f8fbfd;padding:10px;display:grid;gap:3px}.stack-info-card strong{font-size:9px;color:#173d5b}.stack-info-card small{font-size:7px;color:#72899b;line-height:1.45}
@media(max-width:760px){.quick-pack-rules--checks{grid-template-columns:1fr;min-width:190px}.simple-capability-cards{grid-template-columns:1fr}}

/* v7 — plain-language orientation / stacking controls */
.quick-pack-rules--selects{grid-template-columns:minmax(145px,1fr) minmax(150px,1fr);min-width:330px;align-items:end}
.rule-select-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:6px}.rule-select-grid .field{margin:0}.rule-select-grid select{font-weight:700}.result-assumption{margin:12px 14px;border:1px solid #dbe7ef;border-radius:10px;background:#f8fbfd;padding:10px 12px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.result-assumption strong{font-size:9px;color:#173d5b}.result-assumption span{font-size:8px;color:#687f91;line-height:1.5}.preset-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:980px){.preset-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.quick-pack-rules--selects{grid-template-columns:1fr;min-width:190px}.rule-select-grid{grid-template-columns:1fr}.result-assumption{align-items:flex-start}.preset-grid{grid-template-columns:1fr}}

/* v9 — readable shop-floor UI, compact cargo controls, responsive calculation state */
:root{--sidebar:224px;--topbar:72px}
body{font-size:15px;line-height:1.55}
.sidebar{padding:18px 12px 14px}.brand strong{font-size:18px}.brand span{font-size:11px}.side-nav{gap:6px}.side-nav button{padding:11px 12px}.side-nav button span{font-size:13px}.sidebar-guide{padding:11px}.sidebar-guide strong{font-size:12px}.sidebar-guide ol{font-size:10.5px;line-height:1.65}.sidebar-actions button{font-size:10.5px;padding:9px 6px}
.topbar strong{font-size:16px}.topbar span{font-size:11px}.workspace{max-width:1540px;padding:20px 24px 8px}.intro-panel h1{font-size:25px}.intro-panel p{font-size:12.5px}.intro-summary span{font-size:10.5px}.intro-summary strong{font-size:18px}
.section-head h2{font-size:17px}.section-head p,.subsection-title span{font-size:11.5px}.section-number{font-size:12px}.button{font-size:12px;min-height:38px;padding:8px 12px}.button--small{font-size:11px}.step strong{font-size:11.5px}.step small{font-size:10px}
.container-card__title strong{font-size:13px}.container-card small{font-size:10.5px}.container-card__stats{font-size:11px}
.data-table th{font-size:10.5px}.data-table td{font-size:12px}.cargo-name strong{font-size:12.5px}.cargo-name small,.cell-sub,.packed-cell small,.inner-cell small{font-size:10.5px;line-height:1.45}.packed-cell{display:grid;gap:4px}.packed-cell strong{font-size:12px}.package-chip{font-size:10px}.inline-number input{font-size:12px}.inline-number span{font-size:10px}.muted{font-size:11px}
.table-scroll{overflow-x:visible}.cargo-table{width:100%;min-width:0;table-layout:fixed}.cargo-table .c-name{width:19%}.cargo-table .c-pack{width:18%}.cargo-table .c-qty{width:8%}.cargo-table .c-rule{width:37%}.cargo-table .c-inner{width:13%}.cargo-table .c-actions{width:5%}.cargo-table th,.cargo-table td{padding:12px 10px;vertical-align:middle}.cargo-table td:nth-child(4){padding-left:6px;padding-right:6px}
.quick-pack-rules--selects{grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-width:0;width:100%;gap:8px}.quick-rule-select{min-width:0}.quick-rule-select>span{font-size:10px}.quick-rule-select select{width:100%;min-width:0;height:38px;font-size:11px;padding:0 8px}.orientation-tip{font-size:11px;line-height:1.6}.cargo-actions{gap:7px;flex-wrap:wrap}.empty-state--actions{padding:28px 18px}.empty-state--actions strong{font-size:15px}.empty-state--actions span{font-size:12px}.empty-state--actions .button-row{margin-top:12px;justify-content:center}
.package-option strong{font-size:12.5px}.package-option p,.package-option small,.logic-note span{font-size:10.5px}.preset-card strong{font-size:12px}.preset-card span{font-size:10.5px}.preset-card small{font-size:10px}.setting-control strong,.setting-toggle strong{font-size:11.5px}.setting-control span,.setting-toggle span{font-size:10px}.setting-control input{font-size:12px}
.input-diagnostics__head strong{font-size:12px}.input-diagnostics__head span{font-size:10.5px}.diagnostic strong{font-size:11.5px}.diagnostic span{font-size:10.5px}.method-panel strong{font-size:11.5px}.method-panel p,.footer{font-size:10.5px}
.calculate-bar{gap:14px}.calculate-bar strong{font-size:13px}.calculate-bar span{font-size:11px}.calc-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.button--calculate{min-width:210px;font-size:12.5px}.calc-progress{margin:-2px 0 16px;border:1px solid #cfe0ee;background:#f7fbff;border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:12px;color:#31546e}.calc-progress strong{display:block;font-size:12px;color:#173d5b}.calc-progress span{font-size:10.5px}.calc-spinner{width:20px;height:20px;border:3px solid #c6daeb;border-top-color:#2c83ec;border-radius:50%;animation:calcspin .8s linear infinite;flex:0 0 auto}@keyframes calcspin{to{transform:rotate(360deg)}}
.result-stats .metric span{font-size:10px}.result-stats .metric strong{font-size:17px}.result-stats .metric small{font-size:9.5px}.alternative-plans__head strong{font-size:11.5px}.alternative-plans__head span{font-size:10px}.alternative-card span{font-size:10px}.alternative-card small{font-size:10px}.alternative-card em{font-size:9px}.result-assumption strong{font-size:11px}.result-assumption span{font-size:10.5px}
.field>span,.color-field>span{font-size:11px}.field input,.field select,.field textarea{font-size:12px}.field small,.field-help,.check small{font-size:10px}.form-section h3{font-size:13px}.modal__header h2{font-size:18px}.modal__header p{font-size:11px}
@media(max-width:1200px){:root{--sidebar:205px}.workspace{padding-left:16px;padding-right:16px}.cargo-table .c-name{width:20%}.cargo-table .c-pack{width:19%}.cargo-table .c-qty{width:8%}.cargo-table .c-rule{width:36%}.cargo-table .c-inner{width:12%}.cargo-table .c-actions{width:5%}.quick-pack-rules--selects{grid-template-columns:1fr}.cargo-table th,.cargo-table td{padding:10px 7px}}
@media(max-width:900px){.table-scroll{overflow-x:auto}.cargo-table{min-width:860px}.section-head--actions{align-items:flex-start}.cargo-actions{justify-content:flex-start}.calc-actions{width:100%;margin-left:0}.calculate-bar{align-items:flex-start;flex-direction:column}.button--calculate{min-width:0}}
@media(max-width:760px){body{font-size:14px}.workspace{padding:12px 10px}.intro-panel h1{font-size:21px}.section-head h2{font-size:16px}.topbar strong{font-size:14px}.topbar span{font-size:10px}.button{font-size:11px}.cargo-actions .button{flex:1 1 auto}.sidebar-guide{display:none}}
@media(prefers-reduced-motion:reduce){.calc-spinner{animation:none}}
/* v9.1 — legibility pass: readable at browser 100% */
body{font-size:16px}
.side-nav button span{font-size:14px}.sidebar-guide strong{font-size:12.5px}.sidebar-guide ol{font-size:11px}.sidebar-actions button{font-size:11px}
.data-table th{font-size:11.5px}.data-table td{font-size:13px}.cargo-name strong{font-size:13.5px}.cargo-name small,.cell-sub,.packed-cell small,.inner-cell small{font-size:11px}.packed-cell strong{font-size:13px}.package-chip{font-size:10.5px}.inline-number input{font-size:13px}.inline-number span{font-size:11px}
.quick-rule-select>span{font-size:11px}.quick-rule-select select{font-size:12.5px;height:40px}.orientation-tip{font-size:11.5px}
.setting-control strong,.setting-toggle strong{font-size:12.5px}.setting-control span,.setting-toggle span{font-size:11px}.setting-control input{font-size:13px}
.input-diagnostics__head strong{font-size:13px}.input-diagnostics__head span{font-size:11.5px}.diagnostic strong{font-size:12.5px}.diagnostic span{font-size:11.5px}
@media(max-width:760px){body{font-size:15px}.data-table td{font-size:12.5px}.quick-rule-select select{font-size:12px}}
.sidebar-actions .sidebar-new-project{grid-column:1/-1;border-color:rgba(83,173,255,.35);background:rgba(44,131,236,.17);color:#fff}
.sidebar-actions .sidebar-new-project:hover{background:rgba(44,131,236,.28)}
/* Mobile cargo rows become cards instead of a wide horizontal table. */
@media(max-width:760px){
  .table-scroll{overflow:visible}
  .cargo-table{display:block;min-width:0;width:100%;padding:10px;background:#f7fafc}
  .cargo-table colgroup,.cargo-table thead{display:none}
  .cargo-table tbody{display:grid;gap:10px}
  .cargo-table tr{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;box-shadow:0 2px 8px rgba(13,49,83,.03)}
  .cargo-table td{display:block;border:0!important;padding:0!important;min-width:0}
  .cargo-table td:nth-child(1),.cargo-table td:nth-child(2),.cargo-table td:nth-child(4){grid-column:1/-1}
  .cargo-table td:nth-child(1){padding-bottom:8px!important;border-bottom:1px solid #edf2f5!important}
  .cargo-table td:nth-child(2){padding:2px 0 4px!important}
  .cargo-table td:nth-child(3){align-self:end}
  .cargo-table td:nth-child(4){padding-top:5px!important}
  .cargo-table td:nth-child(5){align-self:center}
  .cargo-table td:nth-child(6){align-self:center}
  .cargo-name i{height:38px}.cargo-name strong{font-size:14px}.cargo-name small{font-size:11.5px}
  .quick-pack-rules--selects{grid-template-columns:1fr 1fr;gap:8px}.quick-rule-select select{height:42px}
  .row-actions{justify-content:flex-end}
}
@media(max-width:430px){.quick-pack-rules--selects{grid-template-columns:1fr}}
/* v10 clarity: stack-role meaning and nested/deck visualization */
.rule-help{display:block;margin-top:2px;color:#72889a;font-size:10px;line-height:1.35;white-space:normal}.nested-badge{font-size:8px;fill:#087553;font-weight:800}.nested-mini-svg{width:100%;min-height:118px;border-radius:7px;background:#f8fcfa}.nested-mini-label{font-size:9px;fill:#477466}.nested-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,.8fr);gap:10px;align-items:center;padding:10px}.nested-card>div{display:block}.nested-card__meta>div{display:flex;justify-content:space-between;gap:8px}.nested-card__meta>b{display:block;margin-top:5px;color:#0c8760;font-size:11px}.nested-card__meta small{font-size:9px}.nested-card__meta ul{font-size:9px;line-height:1.45}.top-box-label{font-size:9px}.plan-label{font-size:11px}
@media(max-width:760px){.nested-card{grid-template-columns:1fr}.nested-mini-svg{min-height:105px}.rule-help{font-size:10px}}