/*
 * AdsLedger — one stylesheet for both directions.
 * Only logical properties (inline/block, start/end) are used for layout,
 * so <html dir="rtl"> and <html dir="ltr"> both render correctly.
 */
:root {
    --ink: #1d2a3a;
    --ink-soft: #4a5a6c;
    --paper: #f5f7fa;
    --surface: #ffffff;
    --rule: #d9e0e8;
    --ledger: #1f7a5a;      /* within budget */
    --ledger-soft: #e3f1ea;
    --amber: #b7791f;       /* warning */
    --stop: #b4372f;        /* stop threshold / errors */
    --stop-soft: #fbeceb;
    --focus: #2f6fb0;
    --radius-s: 6px;
    --radius-m: 10px;
    --font: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, system-ui, sans-serif;
    --step--1: 0.875rem;
    --step-0: 1rem;
    --step-1: 1.25rem;
    --step-2: 1.6rem;
    --step-3: 2.1rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font);
    font-size: var(--step-0);
    line-height: 1.6;
    color: var(--ink);
    background: var(--paper);
}
[dir="rtl"] body { line-height: 1.75; } /* Arabic glyphs need more vertical room */
a { color: var(--focus); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
h1, h2, h3 { line-height: 1.25; margin-block: 0 0.5em; }

.skip-link {
    position: absolute; inset-inline-start: 1rem; inset-block-start: -3rem;
    background: var(--ink); color: #fff; padding: 0.5rem 1rem; border-radius: var(--radius-s); z-index: 10;
}
.skip-link:focus { inset-block-start: 1rem; }

/* Brand */
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: var(--step-1); }
.brand__mark {
    inline-size: 1.4rem; block-size: 1.4rem; border-radius: 4px;
    background: linear-gradient(to top, var(--ledger) 0 70%, var(--rule) 70% 100%);
    box-shadow: inset 0 -2px 0 var(--stop);
}

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    min-block-size: 2.75rem; padding-inline: 1.1rem; border-radius: var(--radius-s);
    border: 1px solid transparent; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: #2b3d52; }
.btn:disabled, .btn[disabled] { opacity: 0.45; cursor: not-allowed; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn--ghost:hover { border-color: var(--ink-soft); }
.btn--block { inline-size: 100%; }

/* Forms */
.form { display: grid; gap: 1rem; }
.form__row { display: grid; gap: 1rem; align-items: start; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form__row--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.field { display: grid; gap: 0.35rem; }
.field label { font-weight: 600; font-size: var(--step--1); }
.field input, .field select {
    inline-size: 100%; min-block-size: 2.75rem; padding-inline: 0.8rem;
    border: 1px solid var(--rule); border-radius: var(--radius-s); background: var(--surface);
    font: inherit; color: inherit;
}
.field input[dir="ltr"] { text-align: start; }
[dir="rtl"] .field input[dir="ltr"] { text-align: end; } /* emails stay LTR but align with RTL layout */
.field.has-error input, .field.has-error select { border-color: var(--stop); background: var(--stop-soft); }
.field__error { margin: 0; color: var(--stop); font-size: var(--step--1); }
.field__hint { margin: -0.5rem 0 0; color: var(--ink-soft); font-size: var(--step--1); }

/* Flash */
.flash { padding: 0.75rem 1rem; border-radius: var(--radius-s); margin-block-end: 1rem; border-inline-start: 4px solid; }
.flash--success { background: var(--ledger-soft); border-color: var(--ledger); }
.flash--error { background: var(--stop-soft); border-color: var(--stop); }

/* Language switcher */
.lang-switch { display: inline-flex; border: 1px solid var(--rule); border-radius: var(--radius-s); overflow: hidden; }
.lang-switch form { margin: 0; }
.lang-switch__btn {
    border: 0; background: transparent; font: inherit; font-size: var(--step--1);
    padding: 0.35rem 0.8rem; cursor: pointer; color: var(--ink-soft); min-block-size: 2.25rem;
}
.lang-switch__btn.is-current { background: var(--ink); color: #fff; }

/* ---------- Auth ---------- */
.auth-grid { min-block-size: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.auth-panel { background: var(--surface); padding: 2rem clamp(1.25rem, 5vw, 4rem); display: flex; flex-direction: column; }
.auth-panel__top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.auth-panel__body { margin-block: auto; inline-size: min(100%, 30rem); padding-block: 2.5rem; }
.auth-title { font-size: var(--step-3); }
.auth-lead { color: var(--ink-soft); margin-block: 0 2rem; max-inline-size: 60ch; }
.auth-switch { margin-block-start: 1.5rem; color: var(--ink-soft); }

/* The one memorable element: the budget meter with its stop threshold. */
.auth-aside { background: var(--ink); color: #fff; display: grid; place-items: center; padding: 2rem; }
.meter-demo { margin: 0; inline-size: min(100%, 26rem); }
.meter-demo__client { font-size: var(--step-1); font-weight: 600; margin-block-end: 1.5rem; }
.meter-demo__numbers, .meter-demo__legend { display: flex; justify-content: space-between; font-size: var(--step--1); color: #c6d1dd; }
.meter-demo__numbers strong { display: block; font-size: var(--step-2); color: #fff; font-variant-numeric: tabular-nums; }
.meter-demo__legend { margin-block-start: 0.6rem; }
.meter-demo__stop-label { color: #f2a59e; }
/* Meter position variables are prefixed: an unprefixed --stop once shadowed the --stop colour token. */
.meter { position: relative; block-size: 0.9rem; margin-block-start: 1rem; background: rgba(255, 255, 255, 0.12); border-radius: 999px; }
.meter__fill {
    position: absolute; inset-block: 0; inset-inline-start: 0; inline-size: var(--meter-used);
    background: #4fbf92; border-radius: inherit;
    animation: meter-fill 1.4s cubic-bezier(.2, .7, .2, 1) both;
}
.meter__stop { position: absolute; inset-block: -0.4rem; inset-inline-start: var(--meter-stop); inline-size: 2px; background: #f2a59e; }
@keyframes meter-fill { from { inline-size: 0; } }
@media (prefers-reduced-motion: reduce) { .meter__fill { animation: none; } }

/* ---------- App shell ---------- */
.shell { display: grid; grid-template-columns: 15rem minmax(0, 1fr); min-block-size: 100vh; }
.sidebar { background: var(--ink); color: #fff; padding: 1.25rem 1rem; }
.sidebar .brand { margin-block-end: 2rem; padding-inline: 0.5rem; }
.nav { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.15rem; }
.nav__link { display: block; padding: 0.55rem 0.75rem; border-radius: var(--radius-s); color: #d4dde7; text-decoration: none; }
.nav__link:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.nav__link { border-inline-start: 3px solid transparent; }
.nav__link.is-active { background: rgba(255, 255, 255, 0.14); color: #fff; border-inline-start-color: #4fbf92; }
.nav__link.is-disabled { opacity: 0.45; cursor: default; }
.topbar {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 0.75rem 1.5rem; background: var(--surface); border-block-end: 1px solid var(--rule);
}
.topbar__end { display: flex; align-items: center; gap: 1rem; margin-inline-start: auto; }
.topbar__end form { margin: 0; }
.topbar__user small { color: var(--ink-soft); margin-inline-start: 0.35rem; }
.topbar__menu { display: none; background: none; border: 0; padding: 0.5rem; cursor: pointer; }
.topbar__menu span { display: block; inline-size: 1.25rem; block-size: 2px; background: var(--ink); margin-block: 4px; }
.main { padding: 2rem 1.5rem; max-inline-size: 75rem; }
.page-title { font-size: var(--step-2); }
.panel { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-m); padding: 1.5rem; }
.panel__title { font-size: var(--step-1); }
.panel__lead { color: var(--ink-soft); margin-block: 0 1rem; }
.steps { margin: 0; padding-inline-start: 1.25rem; display: grid; gap: 0.5rem; }

/* Error page */
.error { min-block-size: 100vh; display: grid; place-content: center; justify-items: start; gap: 1rem; padding: 2rem; max-inline-size: 40rem; margin-inline: auto; }
.error__code { font-size: 4rem; font-weight: 700; margin: 0; color: var(--stop); font-variant-numeric: tabular-nums; }
.error__message { font-size: var(--step-1); font-weight: 500; }
.error__debug { inline-size: 100%; overflow-x: auto; background: #fff; border: 1px solid var(--rule); padding: 1rem; font-size: 0.8rem; }

/* Responsive */
@media (max-width: 900px) {
    .auth-grid { grid-template-columns: 1fr; }
    .auth-aside { display: none; }
    .shell { grid-template-columns: 1fr; }
    .sidebar { position: fixed; inset-block: 0; inset-inline-start: 0; inline-size: 16rem; transform: translateX(-100%); transition: transform .2s; z-index: 5; }
    [dir="rtl"] .sidebar { transform: translateX(100%); }
    .sidebar.is-open { transform: none; }
    .topbar__menu { display: block; }
    .topbar__user { display: none; }
}
@media (max-width: 560px) {
    .form__row, .form__row--3 { grid-template-columns: 1fr; }
}

/* ---------- Phase 3 components ---------- */
.visually-hidden { position: absolute !important; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--ink-soft); }
.form__inline { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; font-size: var(--step--1); }
.check { display: inline-flex; align-items: center; gap: 0.5rem; cursor: pointer; }
.check input { inline-size: 1.1rem; block-size: 1.1rem; accent-color: var(--ink); }
.panel + .panel { margin-block-start: 1.5rem; }
.panel--narrow { max-inline-size: 36rem; }
.btn--small { min-block-size: 2.25rem; padding-inline: 0.75rem; font-size: var(--step--1); }
.inline-form { display: inline-flex; gap: 0.5rem; align-items: center; margin: 0; }
.inline-form select { min-block-size: 2.25rem; border: 1px solid var(--rule); border-radius: var(--radius-s); padding-inline: 0.5rem; font: inherit; background: var(--surface); }
.table-wrap { overflow-x: auto; }
.table { inline-size: 100%; border-collapse: collapse; font-size: var(--step--1); }
.table th, .table td { text-align: start; padding: 0.7rem 0.75rem; border-block-end: 1px solid var(--rule); vertical-align: middle; }
.table th { color: var(--ink-soft); font-weight: 600; }
.cell-ltr { unicode-bidi: plaintext; }
.cell-actions { text-align: end; white-space: nowrap; }
.badge { display: inline-block; padding: 0.15rem 0.6rem; border-radius: 999px; font-size: 0.8rem; font-weight: 600; }
.badge--active { background: var(--ledger-soft); color: var(--ledger); }
.badge--invited { background: #fdf3e1; color: var(--amber); }
.badge--disabled { background: #eceff3; color: var(--ink-soft); }
.topbar--portal { gap: 1.5rem; }
.portal-nav { display: flex; gap: 1rem; }
.portal-nav a { color: var(--ink-soft); text-decoration: none; padding-block: 0.25rem; border-block-end: 2px solid transparent; }
.portal-nav a[aria-current="page"] { color: var(--ink); border-block-end-color: var(--ledger); }
.main--portal { margin-inline: auto; }

/* ---------- Phase 5: clients ---------- */
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-block-end: 1rem; }
.page-head .page-title { margin: 0; display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.page-head__actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.breadcrumb { display: flex; gap: 0.5rem; font-size: var(--step--1); margin-block-end: 0.5rem; color: var(--ink-soft); }
.breadcrumb a { color: var(--ink-soft); }
.filters { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: end; margin-block-end: 1rem; }
.filters .field { min-inline-size: 12rem; }
.filters .field:first-child { flex: 1 1 18rem; }
.field select, .field textarea { inline-size: 100%; border: 1px solid var(--rule); border-radius: var(--radius-s); background: var(--surface); font: inherit; color: inherit; }
.field select { min-block-size: 2.75rem; padding-inline: 0.6rem; }
.field textarea { padding: 0.6rem 0.8rem; resize: vertical; }
.field.has-error textarea { border-color: var(--stop); background: var(--stop-soft); }
.panel--form { max-inline-size: 52rem; }
.form__actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.table-caption { margin-block: 0 0.5rem; font-size: var(--step--1); }
.strong-link { font-weight: 600; color: var(--ink); text-decoration: none; }
.strong-link:hover { text-decoration: underline; }
.empty { text-align: center; padding: 2.5rem 1rem; display: grid; gap: 0.75rem; justify-items: center; color: var(--ink-soft); }
.empty p { margin: 0; }
.empty-inline { color: var(--ink-soft); margin: 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; margin-block: 1.5rem; }
.grid-2 > .panel + .panel { margin-block-start: 0; }
.figures { display: grid; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); gap: 1rem; margin: 1rem 0; }
.figures dt { font-size: var(--step--1); color: var(--ink-soft); }
.figures dd { margin: 0; font-size: var(--step-1); font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.details { display: grid; gap: 0.6rem; margin: 0; }
.details > div { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: 1rem; }
.details dt { color: var(--ink-soft); font-size: var(--step--1); }
.details dd { margin: 0; overflow-wrap: anywhere; }
.notes { margin-block: 1rem 0; padding: 0.75rem 1rem; background: var(--paper); border-radius: var(--radius-s); font-size: var(--step--1); }
.meter--light { background: #e6ebf1; }
.meter--light .meter__fill { animation: none; } /* the fill animation is reserved for the login page */
.meter--light .meter__fill { background: var(--ledger); }
.meter--light .meter__fill.is-warning { background: var(--amber); }
.meter--light .meter__fill.is-critical { background: var(--stop); }
.meter--light .meter__stop { background: var(--stop); }
.meter-caption { font-size: var(--step--1); color: var(--ink-soft); margin-block: 0.6rem 0; }
.plain-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.pagination { display: flex; justify-content: center; align-items: center; gap: 1rem; margin-block-start: 1rem; }
.pagination__info { font-size: var(--step--1); color: var(--ink-soft); }
.badge--paused { background: #fdf3e1; color: var(--amber); }
.badge--archived { background: #eceff3; color: var(--ink-soft); }
@media (max-width: 900px) {
    .grid-2 { grid-template-columns: 1fr; }
    .details > div { grid-template-columns: 1fr; gap: 0.1rem; }
}

/* ---------- Phases 6–7: campaigns & Meta ---------- */
.notice { padding: 0.85rem 1rem; border-radius: var(--radius-s); margin-block-end: 1rem; border-inline-start: 4px solid; display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: baseline; }
.notice--warning { background: #fdf3e1; border-color: var(--amber); }
.notice--demo { background: #e9f1fb; border-color: var(--focus); }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.table td .inline-form select { max-inline-size: 11rem; }

/* ---------- Phases 8–9: budgets ---------- */
.badge--danger { background: var(--stop-soft); color: var(--stop); }
.figures--wide { grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); }
.threshold-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 0.75rem; margin: 1rem 0 0; font-size: var(--step--1); }
.threshold-facts dt { color: var(--ink-soft); }
.threshold-facts dd { margin: 0; font-variant-numeric: tabular-nums; }
.threshold-preview { margin: -0.25rem 0 0; font-weight: 600; color: var(--ledger); min-block-size: 1.5em; }
.state-explainer { margin: -0.5rem 0 1rem; color: var(--ink-soft); max-inline-size: 70ch; }

/* ---------- Phase 10: notifications ---------- */
.bell { position: relative; display: inline-flex; align-items: center; justify-content: center; inline-size: 2.5rem; block-size: 2.5rem; border-radius: 50%; color: var(--ink-soft); }
.bell:hover { background: var(--paper); color: var(--ink); }
.bell.has-unread { color: var(--ink); }
.bell__count { position: absolute; inset-block-start: 0.1rem; inset-inline-end: 0.05rem; min-inline-size: 1.2rem; block-size: 1.2rem; padding-inline: 0.3rem; border-radius: 999px; background: var(--stop); color: #fff; font-size: 0.7rem; font-weight: 700; display: grid; place-items: center; }
.notification-list { list-style: none; margin: 0; padding: 0; }
.notification + .notification { border-block-start: 1px solid var(--rule); }
.notification form { margin: 0; }
.notification__button { display: grid; gap: 0.2rem; inline-size: 100%; text-align: start; background: none; border: 0; padding: 0.9rem 0.75rem; font: inherit; color: inherit; cursor: pointer; border-inline-start: 3px solid transparent; }
.notification__button:hover { background: var(--paper); }
.notification.is-unread .notification__button { border-inline-start-color: var(--focus); font-weight: 600; }
.notification.is-urgent .notification__button { border-inline-start-color: var(--stop); }
.notification__time { font-size: var(--step--1); color: var(--ink-soft); font-weight: 400; }

/* ---------- Phase 10: dashboard ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr)); gap: 1rem; margin-block-end: 1.5rem; }
.kpi { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-m); padding: 1rem 1.1rem; display: grid; gap: 0.25rem; align-content: start; }
.kpi__label { font-size: var(--step--1); color: var(--ink-soft); }
.kpi__value { font-size: var(--step-1); font-weight: 700; font-variant-numeric: tabular-nums; }
.kpi__value { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } /* one line; full value in the title tooltip */
.kpi__hint { font-size: 0.75rem; color: var(--ink-soft); }
.charts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.charts > .panel + .panel { margin-block-start: 0; }
.chart-box { position: relative; block-size: 260px; }
.chart-period { font-size: var(--step--1); margin-block: 1.5rem 0.75rem; }
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.checklist li { display: flex; align-items: center; gap: 0.6rem; }
.checklist__mark { inline-size: 1.4rem; block-size: 1.4rem; border-radius: 50%; border: 2px solid var(--rule); display: grid; place-items: center; font-size: 0.8rem; font-weight: 700; flex: none; }
.checklist li.is-done { color: var(--ink-soft); }
.checklist li.is-done .checklist__mark { background: var(--ledger); border-color: var(--ledger); color: #fff; }
.onboarding { margin-block-end: 1.5rem; }
@media (max-width: 900px) { .charts { grid-template-columns: 1fr; } }

/* ---------- Phase 11: invoices ---------- */
.fieldset { border: 1px solid var(--rule); border-radius: var(--radius-s); padding: 0.75rem 1rem 1rem; margin: 0; }
.fieldset legend { font-weight: 600; padding-inline: 0.4rem; font-size: var(--step--1); }
.totals-table td:last-child { text-align: end; }
.totals-table__grand td { font-weight: 700; font-size: var(--step-0); border-block-start: 2px solid var(--ink); }
.danger-zone { border-color: #efc9c5; }
.nowrap { white-space: nowrap; }

/* ---------- Phase 12: reports ---------- */
.kpis--compact { grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr)); }
.kpis--compact .kpi__value { font-size: var(--step-0); }
.client-access summary { cursor: pointer; font-size: var(--step--1); color: var(--focus); margin-block-start: 0.35rem; }
.client-access form { margin-block-start: 0.5rem; gap: 0.5rem; }
.client-access select { min-inline-size: 12rem; border: 1px solid var(--rule); border-radius: var(--radius-s); font: inherit; padding: 0.25rem; }
.system-token { margin-block-start: 1rem; } .system-token summary { cursor: pointer; color: var(--focus); }
.code { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius-s); padding: 0.75rem 1rem; overflow-x: auto; font-size: 0.85rem; }
.logo-preview { max-inline-size: 220px; max-block-size: 120px; border: 1px solid var(--rule); border-radius: var(--radius-s); padding: 0.5rem; background: #fff; }
.audit-details { font-size: 0.8rem; } .audit-details del { color: var(--stop); }

/* ---------- Phase 19: installer ---------- */
.auth-card--wide { max-inline-size: 44rem; }
.install-steps { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; margin: 0 0 1.25rem; counter-reset: step; }
.install-steps li { counter-increment: step; font-size: var(--step--1); padding: 0.35rem 0.75rem; border-radius: 999px; background: var(--paper); color: var(--ink-soft); }
.install-steps li::before { content: counter(step) ". "; }
.install-steps li.is-current { background: var(--ink); color: #fff; font-weight: 600; }
.install-steps li.is-done { background: var(--ledger-soft, #e3f1ea); color: var(--ledger); }
.installer .panel__title { margin-block-start: 1.25rem; }
.checklist li.is-missing { color: var(--stop); }
.checklist li.is-missing .checklist__mark { border-color: var(--stop); }
.next-steps { padding-inline-start: 1.25rem; display: grid; gap: 0.75rem; margin-block-end: 1.25rem; }
.btn--block { inline-size: 100%; justify-content: center; }
.installer-page { background: var(--paper); }
.installer-shell { max-inline-size: 46rem; margin: 0 auto; padding: 2rem 1rem 4rem; }
.installer-top { display: flex; justify-content: space-between; align-items: center; margin-block-end: 1.5rem; }
.brand--dark { color: var(--ink); }
.installer { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-m); padding: 1.75rem; }
.installer pre.code, .panel pre.code { white-space: pre-wrap; word-break: break-all; }