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#2563eb8c}.button:disabled,.icon-button:disabled{opacity:.55;cursor:not-allowed;transform:none}.button:hover:not(:disabled),.icon-button:hover:not(:disabled),.tab-button:hover:not(:disabled){transform:translateY(-1px)}.icon-button{width:42px;height:42px;border-radius:14px;color:var(--primary-strong);background:#dbeafed1;border:1px solid rgba(96,165,250,.22)}.tab-button{padding:10px 14px;border-radius:999px;background:#ffffffbf;border:1px solid rgba(96,165,250,.22);color:var(--primary-strong);font-weight:700}.tab-button.active{background:var(--primary-soft)}.upload-item,.result-item,.custom-range-row{display:grid;align-items:center;gap:14px;padding:14px 16px}.upload-item{grid-template-columns:auto 1fr auto;position:relative}.upload-item.dragging{opacity:.62;border-color:#2563eb80;background:#dbeafeb8;box-shadow:0 20px 45px -32px 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rgba(59,130,246,.18);background:#eff6ffe6}.modal-card.preview-card{width:min(1100px,100%)}.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}.preview-frame{width:100%;height:min(72vh,820px);border:1px solid var(--line);border-radius:18px;background:#f8fafc}.spinner{width:22px;height:22px;border-radius:50%;border:3px solid rgba(96,165,250,.2);border-top-color:var(--primary);animation:spin .8s linear infinite}.hidden{display:none!important}.custom-range-list{display:grid;gap:10px}.custom-range-row{grid-template-columns:repeat(2,minmax(0,1fr)) auto;border:1px solid var(--line);background:#ffffffe0;border-radius:18px}.range-row-head{grid-column:1 / -1;display:flex;align-items:center;gap:10px}.range-row-badge{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;background:#2563eb1f;color:var(--primary-strong);font-weight:800;font-size:.85rem}.mode-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.mode-card{padding:16px;border-radius:20px;border:1px solid var(--line);background:#ffffffdb;cursor:pointer}.mode-card.active{border-color:#2563eb70;background:#dbeafe8f}.kicker{font-size:.82rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--primary-strong)}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1024px){.hero-grid,.status-panel,.card-grid.two,.result-item,.upload-item{grid-template-columns:1fr}}@media(max-width:768px){.app-shell{width:min(100% - 20px,100%);padding-top:12px}.hero-shell,.panel,.tool-panel{padding:18px}.hero-copy h1{font-size:2.4rem}.panel-title-row,.tool-header,.inline{flex-direction:column;align-items:flex-start}.custom-range-row{grid-template-columns:1fr}.preset-card-head{flex-direction:column;align-items:flex-start}#split-results-list{grid-template-columns:1fr}.result-card-footer{align-items:flex-start}}