/* Local, dependency-free primitives. Persian-capable system fonts. */
:root { --ink: #182b3a; --muted: #455568; --surface: #fff; --bg: #f3f6f8; --border: #bcc9d3; --primary: #075c55; --danger: #9c2020; --radius: .8rem; }
* { box-sizing: border-box; }
html { scroll-padding-block: .5rem calc(10rem + env(safe-area-inset-bottom, 0px)); }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: Tahoma, "DejaVu Sans", Arial, sans-serif; font-size: 18px; line-height: 1.9; overflow-wrap: anywhere; }
a { color: var(--primary); text-underline-offset: .25em; }
button, input, select, textarea { font: inherit; }
button, a, input { touch-action: manipulation; }
:focus-visible { outline: 3px solid #a44900; outline-offset: 4px; }
h1 { font-size: 1.65rem; line-height: 1.7; margin-block: 0 1rem; }
h2 { font-size: 1.25rem; margin-block: .5rem; }
p { margin-block: .75rem; }
.header { padding: 1rem; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); background: var(--surface); }
.header form { margin: 0; }
.brand { display: inline-block; min-height: 48px; color: var(--ink); font-weight: bold; text-decoration: none; }
.subtitle { font-size: 1rem; color: var(--muted); }
.container { max-width: 60rem; margin-inline: auto; padding: 1.25rem 1rem calc(10rem + env(safe-area-inset-bottom, 0px)); }
.card { padding: 1.25rem; margin-block: 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.narrow { max-width: 32rem; margin-inline: auto; }
.grid { display: grid; gap: 1rem; }
.grid .card { margin-block: 0; }
.field { margin-block: 1.25rem; }
label { display: block; font-weight: bold; margin-bottom: .4rem; }
input:not([type=hidden]), select, textarea { width: 100%; min-width: 0; min-height: 48px; padding: .6rem .75rem; border: 2px solid #6b7a87; border-radius: .5rem; color: var(--ink); background: var(--surface); }
input[aria-invalid=true], select[aria-invalid=true], textarea[aria-invalid=true] { border-color: var(--danger); }
.help { font-size: 1rem; color: var(--muted); }
.help ul { padding-inline-start: 1.4rem; }
.button { line-height: 1.5; min-height: 48px; display: inline-flex; justify-content: center; align-items: center; padding: .6rem 1.1rem; border: 2px solid transparent; border-radius: .5rem; cursor: pointer; font-weight: bold; text-decoration: none; }
.primary { color: white; background: var(--primary); }
.secondary { color: var(--primary); background: white; border-color: var(--primary); }
.destructive { color: white; background: var(--danger); }
.full { width: 100%; }
.alert { padding: 1rem; border: 1px solid #6684a3; border-inline-start-width: 5px; border-radius: .4rem; background: #eef4fa; }
.error { color: #761919; background: #fff1f1; border-color: var(--danger); }
.success { color: #164b37; background: #edf8f0; border-color: #38734f; }
.field-errors { color: var(--danger); font-size: 1rem; }
.errorlist { padding-inline-start: 1.4rem; margin-block: .4rem; }
.badge { display: inline-block; padding: .1rem .6rem; border: 1px solid #70818e; border-radius: .3rem; font-size: 1rem; color: var(--muted); }
.today { color: var(--muted); }
.navigation { position: fixed; inset-inline: 0; bottom: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .25rem; padding: .5rem 1rem max(.5rem, env(safe-area-inset-bottom)); border-top: 1px solid var(--border); background: var(--surface); }
.navigation a { min-height: 48px; min-width: 0; padding: .5rem .25rem; display: flex; align-items: center; justify-content: center; text-align: center; line-height: 1.4; border-radius: .5rem; font-weight: bold; }
.navigation [aria-current=page] { color: white; background: var(--primary); text-decoration: none; }
.back { display: inline-flex; min-height: 48px; align-items: center; margin-top: 1rem; }
.skip-link { position: absolute; top: -10rem; padding: .5rem; background: white; z-index: 10; }
.skip-link:focus { top: 0; }
@media (min-width: 48rem) { .grid { grid-template-columns: 1fr 1fr; } .container { padding-inline: 2rem; } }
@media (max-width: 26rem) { .navigation { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-height: 30rem) { .navigation { position: static; } .container { padding-bottom: 1.25rem; } html { scroll-padding-block-end: 1rem; } }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto; } }

.actions, .pagination { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-block: 1rem; }
.actions form { margin: 0; }
.card-list { list-style: none; padding: 0; }
.entry-info { margin: 0; }
.entry-info div { margin-block: .6rem; }
dt { color: var(--muted); }
dd { margin-inline: 0; font-weight: bold; }
.description { white-space: pre-wrap; font-weight: normal; }
.money { font-size: 1.2rem; }
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: 1rem; }
.summary-grid .card { margin: 0; }
textarea { resize: vertical; }
.error-summary a { display: inline-flex; min-height: 48px; align-items: center; }

/* Report geometry is server-calculated; exact amounts remain semantic text. */
.trend { margin-inline: 0; }
.trend h3 { font-size: 1.1rem; }
.trend-month { border-top: 1px solid var(--border); padding-block: .75rem; }
.trend-month dl > div { margin-block: .75rem; }
.chart-track { width: 100%; height: 16px; background: #e4eaf0; margin-block: .4rem; }
.chart-bar { height: 100%; }
.chart-income { background: var(--primary); }
.chart-expense { background: repeating-linear-gradient(135deg, var(--danger) 0, var(--danger) 5px, #fff 5px, #fff 7px); border-block: 1px solid var(--danger); }