/* Karno Installer — minimal commercial SaaS UI, RTL-first */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #111827;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --primary: #0f766e;
  --primary-hover: #0d9488;
  --primary-text: #ffffff;
  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --warning: #b45309;
  --warning-bg: #fffbeb;
  --success: #047857;
  --success-bg: #ecfdf5;
  --info: #1d4ed8;
  --info-bg: #eff6ff;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  --font: "Vazirmatn", "Tahoma", "Segoe UI", system-ui, sans-serif;
  --space: 1rem;
  --focus: 0 0 0 3px rgba(15, 118, 110, 0.35);
  --max: 960px;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--primary); }
:focus-visible { outline: none; box-shadow: var(--focus); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; inset-inline-start: 1rem; top: -3rem;
  background: var(--primary); color: #fff; padding: 0.5rem 1rem; border-radius: var(--radius-sm); z-index: 100;
}
.skip-link:focus { top: 0.5rem; }

.app { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1.25rem; background: var(--surface);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20;
}
.topbar__brand { display: flex; align-items: center; gap: 0.6rem; }
.topbar__logo {
  width: 1.75rem; height: 1.75rem; border-radius: 8px;
  background: linear-gradient(135deg, #0f766e, #14b8a6);
}
.topbar__title { font-weight: 700; font-size: 1rem; }
.locale-select {
  font: inherit; padding: 0.35rem 0.6rem; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); background: var(--surface); color: var(--text);
}

.layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
  padding: 1.25rem;
}

.stepper {
  padding: 0.5rem 0.75rem 1rem 0;
  border-inline-end: 1px solid var(--border);
}
.stepper__list { list-style: none; margin: 0; padding: 0; }
.stepper__item {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.55rem 0.5rem; border-radius: var(--radius-sm);
  color: var(--text-muted); font-size: 0.9rem;
}
.stepper__item.is-active { color: var(--text); font-weight: 600; background: #e6f4f2; }
.stepper__item.is-done { color: var(--success); }
.stepper__item.is-disabled { opacity: 0.45; }
.stepper__dot {
  width: 1.4rem; height: 1.4rem; border-radius: 50%;
  border: 2px solid var(--border-strong); display: inline-flex;
  align-items: center; justify-content: center; font-size: 0.7rem; flex-shrink: 0;
  background: var(--surface);
}
.stepper__item.is-active .stepper__dot { border-color: var(--primary); background: var(--primary); color: #fff; }
.stepper__item.is-done .stepper__dot { border-color: var(--success); background: var(--success); color: #fff; }

.main {
  padding: 0.25rem 0 0 1.25rem;
  min-width: 0;
}
[dir="ltr"] .main { padding: 0.25rem 1.25rem 0 0; }
[dir="ltr"] .stepper { padding: 0.5rem 0 1rem 0.75rem; border-inline-end: none; border-inline-start: 1px solid var(--border); }

.progress {
  height: 4px; background: var(--border); border-radius: 99px; overflow: hidden; margin-bottom: 1.25rem;
}
.progress__bar {
  height: 100%; width: 0; background: var(--primary); transition: width 0.25s ease;
}

.view { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.5rem; min-height: 280px; }
.view h1 { margin: 0 0 0.35rem; font-size: 1.5rem; font-weight: 700; }
.view h2 { margin: 0 0 0.75rem; font-size: 1.2rem; font-weight: 650; }
.view p.lead { color: var(--text-muted); margin: 0 0 1.25rem; font-size: 1rem; }

.actions {
  display: flex; justify-content: space-between; gap: 0.75rem; margin-top: 1.25rem; flex-wrap: wrap;
}

.btn {
  font: inherit; font-weight: 600; border-radius: var(--radius-sm);
  padding: 0.65rem 1.15rem; border: 1px solid transparent; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  min-height: 2.75rem; transition: background 0.15s, border-color 0.15s;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn--primary { background: var(--primary); color: var(--primary-text); }
.btn--primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn--ghost { background: transparent; border-color: var(--border-strong); color: var(--text); }
.btn--ghost:hover:not(:disabled) { background: #f3f4f6; }
.btn--danger { background: var(--danger); color: #fff; }

.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.92rem; }
.field .hint { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.25rem; }
.field .error { color: var(--danger); font-size: 0.85rem; margin-top: 0.25rem; }
.input, .select, .textarea {
  width: 100%; font: inherit; padding: 0.65rem 0.75rem;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--primary); box-shadow: var(--focus); outline: none; }
.input.is-invalid, .select.is-invalid { border-color: var(--danger); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }

.product-list { display: grid; gap: 0.75rem; margin: 1rem 0; }
.product-card {
  display: flex; align-items: flex-start; gap: 0.85rem;
  padding: 1rem; border: 1px solid var(--border); border-radius: var(--radius);
  cursor: pointer; background: var(--surface); text-align: start;
}
.product-card:hover, .product-card:focus-within { border-color: var(--primary); }
.product-card.is-selected { border-color: var(--primary); background: #f0fdfa; }
.product-card input { margin-top: 0.25rem; accent-color: var(--primary); }
.product-card__name { font-weight: 700; }
.product-card__meta { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.2rem; }

.meta-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem; margin: 1rem 0;
}
.meta-item {
  padding: 0.85rem; background: var(--bg); border-radius: var(--radius-sm); border: 1px solid var(--border);
}
.meta-item__label { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.2rem; }
.meta-item__value { font-weight: 650; word-break: break-word; }

.status-banner {
  display: flex; align-items: center; gap: 0.65rem;
  padding: 0.85rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-weight: 600;
}
.status-banner--ready { background: var(--success-bg); color: var(--success); }
.status-banner--warning { background: var(--warning-bg); color: var(--warning); }
.status-banner--blocked { background: var(--danger-bg); color: var(--danger); }
.status-banner--info { background: var(--info-bg); color: var(--info); }

.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.check-item {
  display: grid; grid-template-columns: auto 1fr; gap: 0.65rem;
  padding: 0.75rem; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface);
}
.check-item__badge {
  font-size: 0.72rem; font-weight: 700; padding: 0.2rem 0.45rem; border-radius: 999px;
  text-transform: uppercase; letter-spacing: 0.02em; align-self: start;
}
.badge-PASS { background: var(--success-bg); color: var(--success); }
.badge-FAIL { background: var(--danger-bg); color: var(--danger); }
.badge-WARNING { background: var(--warning-bg); color: var(--warning); }
.badge-INFO { background: var(--info-bg); color: var(--info); }
.badge-SKIPPED { background: #f3f4f6; color: #4b5563; }
.check-item__msg { font-weight: 600; }
.check-item__detail { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.2rem; }
.check-group { margin-bottom: 1.25rem; }
.check-group__title { font-size: 0.85rem; font-weight: 700; color: var(--text-muted); margin: 0 0 0.5rem; text-transform: uppercase; letter-spacing: 0.04em; }

.alert {
  padding: 0.85rem 1rem; border-radius: var(--radius-sm); margin: 1rem 0;
  border: 1px solid transparent;
}
.alert--info { background: var(--info-bg); border-color: #bfdbfe; color: #1e3a8a; }
.alert--warning { background: var(--warning-bg); border-color: #fde68a; color: #92400e; }
.alert--danger { background: var(--danger-bg); border-color: #fecaca; color: #7f1d1d; }
.alert--success { background: var(--success-bg); border-color: #a7f3d0; color: #065f46; }

.summary-table { width: 100%; border-collapse: collapse; }
.summary-table th, .summary-table td {
  text-align: start; padding: 0.65rem 0.5rem; border-bottom: 1px solid var(--border); vertical-align: top;
}
.summary-table th { color: var(--text-muted); font-weight: 600; width: 35%; }

.loading {
  display: flex; align-items: center; gap: 0.75rem; color: var(--text-muted); padding: 2rem 0; justify-content: center;
}
.spinner {
  width: 1.25rem; height: 1.25rem; border: 2px solid var(--border-strong);
  border-top-color: var(--primary); border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.toast {
  position: fixed; bottom: 1.25rem; inset-inline-end: 1.25rem;
  background: #111827; color: #fff; padding: 0.75rem 1rem; border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18); z-index: 50; max-width: min(360px, 90vw);
}
.modal {
  position: fixed; inset: 0; background: rgba(17, 24, 39, 0.45);
  display: flex; align-items: center; justify-content: center; z-index: 60; padding: 1rem;
}
.modal[hidden] { display: none !important; }
.modal__panel {
  background: var(--surface); border-radius: var(--radius); padding: 1.25rem;
  width: min(420px, 100%); box-shadow: 0 16px 40px rgba(0,0,0,0.2);
}
.modal__title { margin: 0 0 0.5rem; font-size: 1.1rem; }
.modal__body { margin: 0 0 1.25rem; color: var(--text-muted); }
.modal__actions { display: flex; justify-content: flex-end; gap: 0.5rem; }

.empty { text-align: center; color: var(--text-muted); padding: 2rem 1rem; }

@media (max-width: 840px) {
  .layout { grid-template-columns: 1fr; padding: 0.75rem; }
  .stepper {
    border: none; padding: 0; margin-bottom: 0.75rem;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
  }
  .stepper__list { display: flex; gap: 0.25rem; min-width: max-content; }
  .stepper__item { white-space: nowrap; }
  .stepper__item span.stepper__label { display: none; }
  .stepper__item.is-active span.stepper__label { display: inline; }
  .main { padding: 0; }
  [dir="ltr"] .main { padding: 0; }
}

@media (max-width: 480px) {
  .view { padding: 1.1rem; }
  .view h1 { font-size: 1.3rem; }
  .btn { width: 100%; }
  .actions { flex-direction: column-reverse; }
}