:root { color-scheme: light; --ink:#17243a; --muted:#6b778c; --blue:#2864e8; --pale:#eaf0ff; --green:#07856f; --line:#e3e9f4; --surface:#fff; --background:#f5f7fb; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--background); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; }
button, input, select { font: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid #9cbcff; outline-offset: 2px; }
.profit-app { width: min(100%, 560px); min-height: 100dvh; margin: 0 auto; padding: 20px 16px 94px; background: var(--background); }
.page-heading { margin-bottom: 20px; }.page-heading p { margin: 0 0 4px; color: var(--muted); font-size: 13px; }.page-heading h1 { margin: 0; font-size: 26px; letter-spacing: -.05em; }
.form-section { margin-bottom: 16px; }.form-section h2 { margin: 0 0 8px; color: var(--muted); font-size: 13px; letter-spacing: .06em; }
label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 12px; font-weight: 700; }
input, select { width: 100%; min-width: 0; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); color: var(--ink); padding: 12px; font-size: 17px; font-weight: 750; }
.model-field input { border-color: #b7caff; font-size: 21px; }.field-pair { display: grid; grid-template-columns: 1.35fr .9fr; gap: 9px; }.adjustment-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 8px; }.adjustment-grid label { position: relative; }.adjustment-grid label span { position: absolute; right: 9px; bottom: 13px; color: var(--muted); font-size: 10px; }.adjustment-grid input { padding-right: 48px; }.discount-field { color: var(--blue); }.discount-field input { border-color: #b7caff; background: var(--pale); color: var(--blue); font-size: 25px; line-height: 1; }
.result-card { min-height: 148px; padding: 16px; border: 1px solid #cbd9ff; border-radius: 18px; background: linear-gradient(140deg, #fff, #eff5ff); color: var(--muted); line-height: 1.6; }.result-card strong { display: block; color: var(--green); font-size: 36px; letter-spacing: -.07em; line-height: 1.1; }.result-card dl { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 13px 0 0; padding-top: 11px; border-top: 1px solid #d9e3fa; font-size: 12px; }.result-card dt { color: var(--muted); }.result-card dd { margin: 2px 0 0; color: var(--ink); font-weight: 800; }.vat-note { margin: 10px 2px 0; color: var(--muted); font-size: 12px; line-height: 1.5; }.form-errors { min-height: 20px; margin: 8px 1px; color: #b42318; font-size: 12px; }.save-button { width: 100%; border: 0; border-radius: 14px; padding: 14px; background: var(--blue); color: #fff; font-size: 16px; font-weight: 800; }.save-button:disabled { opacity: .45; }
.bottom-nav { position: fixed; z-index: 2; bottom: 0; left: 50%; display: flex; width: min(100%, 560px); transform: translateX(-50%); padding: 8px 38px max(8px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: rgba(255,255,255,.96); justify-content: space-between; }.bottom-nav button { border: 0; background: transparent; color: var(--muted); font-size: 12px; }.bottom-nav span { display: block; font-size: 22px; line-height: 25px; }.bottom-nav button.active { color: var(--blue); font-weight: 800; }
.search-field { flex-direction: row; align-items: center; gap: 8px; padding: 0 11px; border: 1px solid #bfceea; border-radius: 14px; background: #fff; color: var(--blue); font-size: 20px; }.search-field input { border: 0; padding: 11px 0; font-size: 15px; }.record-filters { display: flex; gap: 7px; margin: 13px 0; overflow-x: auto; }.record-filters button { flex: 0 0 auto; border: 1px solid var(--line); border-radius: 999px; padding: 8px 10px; background: #fff; color: var(--muted); font-size: 12px; }.record-filters button.active { border-color: #c3d5ff; background: var(--pale); color: var(--blue); font-weight: 800; }.records-list { display: grid; gap: 10px; }.record-card { border: 1px solid var(--line); border-radius: 16px; padding: 13px; background: #fff; }.record-card header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }.record-card h2 { margin: 0; font-size: 15px; }.record-card time { color: var(--muted); font-size: 11px; }.record-margin { margin: 8px 0 4px; color: var(--green); font-size: 26px; font-weight: 850; letter-spacing: -.06em; }.record-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }.record-actions { display: flex; gap: 8px; margin-top: 10px; }.record-actions button { border: 0; border-radius: 9px; padding: 7px 9px; background: var(--pale); color: var(--blue); font-size: 12px; font-weight: 700; }.record-actions button:last-child { background: #fff0ef; color: #b42318; }.empty-records { margin: 28px 0; color: var(--muted); text-align: center; }
@media (max-width: 360px) { .profit-app { padding-inline: 12px; }.adjustment-grid { grid-template-columns: 1.15fr .95fr; }.adjustment-grid input { padding-inline: 8px; }.discount-field input { font-size: 22px; }.bottom-nav { padding-inline: 28px; } }