.suite-shell { width: min(1180px, calc(100% - 32px)); padding-bottom: 36px; }
.suite-intro { display: flex; align-items: end; justify-content: space-between; gap: 32px; padding: 30px 0 24px; }
.suite-intro h1 { font-size: clamp(2rem, 3.5vw, 3rem); }
.suite-intro > p { max-width: 470px; margin: 0 0 3px; color: var(--muted); line-height: 1.55; }
.module-nav { display: flex; gap: 6px; padding-bottom: 14px; overflow-x: auto; border-bottom: 1px solid var(--line); }
.module-nav button { flex: 0 0 auto; padding: 9px 13px; border: 1px solid transparent; color: var(--muted); background: transparent; font: inherit; cursor: pointer; }
.module-nav button.active { border-color: var(--line); color: var(--text); background: var(--panel); }
.topbar-actions { display: flex; align-items: center; gap: 18px; }
.frequency-unit-toggle { padding: 7px 10px; border: 1px solid var(--line); color: var(--accent); background: transparent; font: inherit; font-size: .75rem; cursor: pointer; }
.frequency-unit-toggle:hover { border-color: var(--accent); }
.suite-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 20px; padding-top: 20px; }
.tool-sidebar { align-self: start; position: sticky; top: 12px; }
.suite-search input { width: 100%; min-height: 40px; padding: 9px 11px; border: 1px solid var(--line); color: var(--text); background: var(--panel); font: inherit; }
.suite-tool-list { display: grid; gap: 4px; max-height: 63vh; margin: 10px 0; overflow-y: auto; }
.suite-tool-list button { padding: 9px 10px; border: 0; border-left: 2px solid transparent; color: var(--muted); background: transparent; font: inherit; font-size: .82rem; line-height: 1.35; text-align: left; cursor: pointer; }
.suite-tool-list button:hover, .suite-tool-list button.active { border-left-color: var(--accent); color: var(--text); background: var(--panel); }
.secondary-action { width: 100%; padding: 9px; border: 1px solid var(--line); color: var(--text); background: transparent; font: inherit; font-size: .8rem; cursor: pointer; }
.workspace { min-width: 0; padding: 26px; border: 1px solid var(--line); background: rgba(13, 25, 35, .88); }
.workspace-header { display: flex; justify-content: space-between; gap: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.workspace-header h2 { font-size: clamp(1.55rem, 2.5vw, 2.15rem); }
.tool-description { max-width: 700px; margin: 10px 0 0; color: var(--muted); line-height: 1.55; }
.standard-tag { display: inline-block; margin: 10px 0 0; color: var(--accent); font-size: .72rem; }
.workspace-actions { display: flex; align-items: flex-start; gap: 7px; flex: 0 0 auto; }
.workspace-actions button, .section-heading button { padding: 8px 10px; border: 1px solid var(--line); color: var(--text); background: transparent; font: inherit; font-size: .76rem; cursor: pointer; }
.calculation-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(240px, .85fr); gap: 26px; padding: 24px 0; }
.calculator-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-content: start; gap: 14px; }
.calculator-form.mass-vector-form { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.calculator-form label, .report-meta label { display: grid; gap: 6px; color: var(--muted); font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.calculator-form .field-wide { grid-column: 1 / -1; }
.calculator-form input, .calculator-form select, .report-meta input, .report-meta textarea { width: 100%; min-height: 40px; padding: 8px 10px; border: 1px solid var(--line); color: var(--text); background: #071018; font: inherit; font-size: .9rem; letter-spacing: normal; text-transform: none; }
.input-wrap { position: relative; }
.input-wrap input { padding-right: 78px; }
.input-unit { position: absolute; right: 9px; bottom: 12px; max-width: 68px; overflow: hidden; color: var(--muted); font-size: .68rem; text-overflow: ellipsis; white-space: nowrap; }
.results-panel { min-width: 0; padding: 18px; border: 1px solid var(--line); background: #071018; }
.results-label { margin: 0 0 12px; color: var(--accent); font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.results { display: grid; gap: 7px; }
.result-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; align-items: baseline; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.07); }
.result-row span { color: var(--muted); font-size: .76rem; }
.result-row strong { max-width: 240px; color: var(--text); font-size: .95rem; text-align: right; overflow-wrap: anywhere; }
.result-row strong em { margin-left: 4px; color: var(--accent); font-size: .7rem; font-style: normal; }
.result-row.descriptive-row { grid-template-columns: 1fr; gap: 6px; }
.result-row.descriptive-row strong { max-width: none; color: var(--muted); font-size: .78rem; font-weight: 500; line-height: 1.5; text-align: left; }
.result-row.decision-row { padding: 10px; border: 1px solid var(--line); background: rgba(255,255,255,.025); }
.result-row.good strong { color: #65d58a; }
.result-row.warning strong { color: #ff8585; }
.result-row.action strong { color: var(--accent); }
.polar-chart { display: none; width: 100%; height: auto; max-height: 220px; margin-top: 12px; }
.polar-chart.visible { display: block; }
.calculation-error { margin: 12px 0 0; color: #ff8585; font-size: .78rem; }
.comparison-box, .auxiliary-panel { margin-top: 16px; border: 1px solid var(--line); }
.comparison-box summary, .auxiliary-panel > summary { padding: 10px 12px; color: var(--muted); font-size: .75rem; cursor: pointer; }
.comparison-box[open] { padding: 0 12px 12px; }
.comparison-box label { display: grid; gap: 5px; margin-top: 9px; color: var(--muted); font-size: .68rem; text-transform: uppercase; }
.comparison-box select, .comparison-box input { min-height: 34px; padding: 6px 8px; border: 1px solid var(--line); color: var(--text); background: var(--panel); }
.comparison-box p { margin: 12px 0 0; padding: 9px; border-left: 3px solid var(--line); font-size: .78rem; }
.comparison-box p.good { border-left-color: #65d58a; color: #65d58a; }
.comparison-box p.warning { border-left-color: #ff8585; color: #ff8585; }
.auxiliary-panel[open] { padding: 0 16px 16px; }
.auxiliary-panel .workspace-actions { justify-content: flex-end; margin-top: 12px; }
.report-meta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; padding: 18px 0; border-top: 1px solid var(--line); }
.report-meta textarea { resize: vertical; }
.report-meta label:has(textarea) { grid-column: span 3; }
.photo-field { grid-column: span 1; }
.report-photo-preview { grid-column: 1 / -1; max-width: 360px; max-height: 240px; object-fit: contain; border: 1px solid var(--line); }
.history { padding-top: 18px; border-top: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.section-heading h3 { margin: 0; font-size: 1rem; }
.history-list { display: grid; gap: 7px; margin-top: 12px; }
.history-item { padding: 10px 12px; border: 1px solid var(--line); color: var(--muted); font-size: .76rem; }
.history-item strong { color: var(--text); }
.empty { color: var(--muted); font-size: .78rem; }
.standards-panel { margin-top: 20px; padding: 28px; border: 1px solid var(--line); background: var(--panel); }
.standards-panel h2 { font-size: 1.8rem; }
.standards-warning { color: var(--muted); font-size: .82rem; }
.standards-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.standard-card { padding: 14px; border: 1px solid var(--line); }
.standard-card strong, .standard-card a { color: var(--accent); font-size: .82rem; }
.standard-card p { margin: 7px 0; color: var(--muted); font-size: .78rem; line-height: 1.45; }
.standard-card small { color: #70d993; }
.suite-footer { padding-top: 24px; color: var(--muted); font-size: .7rem; text-align: center; }

@media (max-width: 900px) {
  .suite-layout { grid-template-columns: 1fr; }
  .tool-sidebar { position: static; }
  .suite-tool-list { grid-template-columns: repeat(2, minmax(0, 1fr)); max-height: 240px; }
  .calculation-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .suite-shell { width: min(100% - 20px, 1180px); }
  .suite-intro, .workspace-header { align-items: flex-start; flex-direction: column; }
  .suite-intro { gap: 12px; }
  .workspace { padding: 18px; }
  .calculator-form, .report-meta, .standards-list { grid-template-columns: 1fr; }
  .calculator-form.mass-vector-form { grid-template-columns: 1fr; }
  .calculator-form .field-wide { grid-column: auto; }
  .report-meta label:has(textarea), .photo-field { grid-column: span 1; }
  .workspace-actions { width: 100%; }
  .workspace-actions button { flex: 1; }
  .topbar-actions { gap: 10px; }
  .frequency-unit-toggle { padding: 6px 8px; font-size: .68rem; }
}

@media print {
  body { color: #111; background: #fff; }
  .shell, .suite-shell { width: 100%; }
  .no-print, .history, .standards-panel, .suite-footer, .comparison-box { display: none !important; }
  .suite-layout { display: block; padding: 0; }
  .workspace { padding: 0; border: 0; background: #fff; }
  .workspace-header { border-bottom: 2px solid #222; }
  .workspace-header h2, .result-row strong, .report-meta input, .report-meta textarea { color: #111; }
  .tool-description, .result-row span, .report-meta label { color: #444; }
  .calculation-grid { grid-template-columns: 1fr 1fr; }
  .calculator-form input, .calculator-form select, .report-meta input, .report-meta textarea, .results-panel { color: #111; background: #fff; border-color: #aaa; }
  .polar-chart { filter: invert(1); }
  .report-photo-preview { display: block !important; }
  .auxiliary-panel { display: block; margin: 12px 0 0; padding: 0; border: 0; }
}