.ch-panels>[class*='col-']{display: flex;flex-direction: column}.ch-panel{display: flex;flex-direction: column;flex: 1 1 auto;min-width: 0}.ch-body{display: flex;flex-direction: column;gap: 14px;flex: 1 1 auto}.ch-seg{display: flex;gap: 8px;flex-wrap: wrap}.ch-seg-btn{flex: 1 1 120px;padding: 10px 12px;border: 1.5px solid var(--border,#cbd5e1);border-radius: 10px;background: var(--bg-card,#fff);color: var(--text,#0f172a);font-size: 13.5px;font-weight: 600;cursor: pointer;transition: all 0.15s ease;display: flex;align-items: center;justify-content: center;gap: 6px}.ch-seg-btn:hover{border-color: var(--accent,#0284c7);color: var(--accent,#0284c7)}.ch-seg-btn.is-active{background: var(--accent,#0284c7);border-color: var(--accent,#0284c7);color: #fff}.ch-field-row{display: flex;gap: 8px;align-items: center}.ch-field-row .ch-cm-inputs{flex: 1 1 auto;min-width: 0}.ch-field-row .ch-ft-inputs{display: flex;gap: 8px;flex: 1 1 auto;min-width: 0}.ch-ft-inputs.hidden,.ch-cm-inputs.hidden{display: none}.ch-num.ch-ft{flex: 1 1 55%}.ch-num.ch-in{flex: 1 1 45%}.ch-unit-tag{flex: 0 0 auto;width: 34px;text-align: center;font-size: 12px;font-weight: 700;color: var(--text-secondary,#64748b)}.ch-hint{display: flex;align-items: flex-start;gap: 8px;padding: 10px 12px;border-radius: 10px;background: var(--info-soft,#eff6ff);border: 1px solid var(--info-border,#bfdbfe);color: var(--info,#1d4ed8);font-size: 12.5px;line-height: 1.55}.ch-hint i{margin-top: 1px}.ch-actions{display: flex;gap: 10px;flex-wrap: wrap}.ch-message{display: flex;align-items: center;gap: 8px;padding: 10px 14px;border-radius: 10px;font-size: 13px;line-height: 1.5}.ch-message.hidden{display: none}.ch-msg-info{background: var(--info-soft,#eff6ff);color: var(--info,#2563eb);border: 1px solid var(--info-border,#bfdbfe)}.ch-msg-success{background: var(--success-soft,#f0fdf4);color: var(--success,#16a34a);border: 1px solid var(--success-border,#bbf7d0)}.ch-msg-error{background: var(--danger-soft,#fef2f2);color: var(--danger,#dc2626);border: 1px solid var(--danger-border,#fecaca)}.ch-message.is-fading{opacity: 0;transition: opacity 0.25s ease}.ch-hero{background: linear-gradient(135deg,#075985,#0284c7);border-radius: 14px;padding: 22px 20px;color: #fff;text-align: center}.ch-hero-label{font-size: 14px;opacity: 0.92}.ch-hero-time{font-size: 40px;font-weight: 800;line-height: 1.15;font-variant-numeric: tabular-nums}.ch-hero-alt{font-size: 13px;opacity: 0.9;margin-top: 2px}.ch-hero-sub{font-size: 12.5px;opacity: 0.92;margin-top: 8px;font-style: italic}.ch-stats{display: grid;grid-template-columns: 1fr 1fr;gap: 8px}.ch-stat{border: 1px solid var(--border,#e2e8f0);border-radius: 10px;padding: 10px 12px;text-align: center;background: var(--bg-card,#fff)}.ch-stat b{display: block;font-size: 15.5px;color: var(--text,#0f172a);font-variant-numeric: tabular-nums}.ch-stat-label{display: block;font-size: 11.5px;color: var(--text-secondary,#64748b);margin-bottom: 2px}.result-toolbar{display: flex;align-items: center;justify-content: space-between;gap: 10px;flex-wrap: wrap}.result-toolbar .button-group{display: flex;align-items: center;gap: 8px;flex: 0 0 auto}.ch-meta{font-size: 12.5px;color: var(--text-secondary,#64748b);word-break: break-all;min-width: 0}.ch-empty{display: flex;flex-direction: column;align-items: center;justify-content: center;gap: 10px;padding: 50px 16px;color: var(--text-secondary,#64748b);text-align: center}.ch-empty i{font-size: 34px;opacity: 0.5}.ch-empty p{margin: 0;font-size: 13px}.ch-note{display: flex;align-items: flex-start;gap: 8px;padding: 12px 14px;background: var(--info-soft,#eff6ff);border: 1px solid var(--info-border,#bfdbfe);border-radius: 10px;color: var(--info,#1d4ed8);font-size: 12.5px;line-height: 1.6}@media (max-width: 767px){.ch-hero-time{font-size: 32px}}