:root { color-scheme: light dark; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 17px; background: var(--tg-theme-bg-color, #fff); color: var(--tg-theme-text-color, #17212b); }
* { box-sizing: border-box; }
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }
body { margin: 0; height: var(--tg-viewport-stable-height, 100vh); display: flex; flex-direction: column; overscroll-behavior-y: none; }
header { padding: 12px 16px 0; }
h1 { font-size: 24px; margin: 0 0 8px; }
h2 { font-size: 21px; overflow-wrap: anywhere; }
p { margin: 8px 0; }
#summary, .muted { color: var(--tg-theme-hint-color, #65717b); font-size: 14px; }
main { flex: 1; min-height: 0; overflow-y: auto; padding: 8px 16px 24px; }
nav { display: flex; flex-shrink: 0; border-top: 1px solid var(--tg-theme-hint-color, #ddd); background: var(--tg-theme-secondary-bg-color, #f3f4f5); padding: 4px 2px max(8px, env(safe-area-inset-bottom)); }
button, input, select, textarea { font: inherit; min-height: 44px; border-radius: 8px; border: 1px solid var(--tg-theme-hint-color, #89939b); padding: 10px; }
button { cursor: pointer; background: var(--tg-theme-button-color, #1769aa); color: var(--tg-theme-button-text-color, #fff); margin: 5px 6px 5px 0; }
button:disabled { opacity: .55; cursor: default; }
nav button { flex: 1; min-width: 0; border: 0; border-radius: 0; background: transparent; color: var(--tg-theme-hint-color, #65717b); margin: 0; padding: 10px 1px; font-size: 12px; }
nav button[aria-current="page"] { color: var(--tg-theme-link-color, #1769aa); font-weight: 700; }
input, select, textarea { display: block; width: 100%; margin: 8px 0; background: var(--tg-theme-bg-color, #fff); color: inherit; }
textarea { min-height: 110px; resize: vertical; }
label { display: block; margin-top: 12px; }
pre { font: inherit; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.45; }
article { padding: 12px 0; border-bottom: 1px solid var(--tg-theme-hint-color, #ddd); overflow-wrap: anywhere; }
.list-item { display: block; text-align: left; width: 100%; background: transparent; color: inherit; border: 0; border-bottom: 1px solid var(--tg-theme-hint-color, #ddd); border-radius: 0; padding: 14px 0; margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
:focus-visible { outline: 3px solid var(--tg-theme-link-color, #1769aa); outline-offset: 2px; }
[hidden] { display: none !important; }
#login { padding: 24px; }
#logout { align-self: flex-end; }
.business-grid { display: grid; gap: 24px; }
.business-grid section { min-width: 0; }
.business-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.business-chart svg { width: 100%; height: auto; min-height: 160px; }
.business-chart text { fill: var(--tg-theme-text-color, #17212b); font-size: 14px; }
.sale-bar { fill: var(--tg-theme-button-color, #1769aa); }
.negative { fill: var(--tg-theme-destructive-text-color, #b3261e); }
.error, .overdue { color: var(--tg-theme-destructive-text-color, #b3261e); }
.overdue { border-left: 4px solid currentColor; padding-left: 12px; }
@media (min-width: 900px) { .business-grid { grid-template-columns: 1fr 1fr; } }