:root {
  --bg: #070b14;
  --surface: #0e1624;
  --surface-2: #152033;
  --fg: #e8eef8;
  --muted: #9aa8bd;
  --primary: #3d8bfd;
  --primary-2: #7c5cff;
  --cyan: #7ee0ff;
  --border: #243044;
  --danger: #ff7a7a;
  --danger-bg: #4a1518;
  --ok: #3ee0a0;
  --warn: #ffc36b;
  --warn-bg: #3d2a0d;
  --font: "Segoe UI", Tahoma, "Noto Sans Arabic", system-ui, sans-serif;
  --mono: Consolas, "Roboto Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 480px at 50% -8%, rgba(61,139,253,.16), transparent 58%),
    var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 14px;
}
button, input, select, textarea { font: inherit; color: inherit; }
button:not(:disabled) { cursor: pointer; }

.shell {
  display: flex;
  flex-direction: column;
  width: min(1040px, 100%);
  height: 100dvh;
  margin: 0 auto;
  background: var(--surface);
  border-inline: 1px solid var(--border);
}
.shell.locked .app-header,
.shell.locked .workspace-tabs,
.shell.locked .app-body,
.shell.locked .app-footer { visibility: hidden; }

.app-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.logo-lockup { height: 32px; width: auto; object-fit: contain; flex: 0 0 auto; }
.brand { flex: 1; min-width: 0; }
.brand h1 { margin: 0; font-size: 15px; font-weight: 500; }
.brand p { margin: 0; font-size: 11px; color: var(--muted); }
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.lang-toggle button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 6px 12px;
  font-size: 12px;
}
.lang-toggle button[aria-pressed="true"] { background: var(--primary); color: #fff; }

.workspace-tabs {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  flex-shrink: 0;
}
.workspace-tab {
  flex: 1;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
}
.workspace-tab[aria-selected="true"] {
  border: 0;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  color: #fff;
}

.app-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 12px 16px 16px;
}
.app-footer {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}

.card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 12px;
}
.card h2 { margin: 0 0 6px; font-size: 14px; font-weight: 600; }
.hint { margin: 6px 0 0; color: var(--muted); font-size: 12px; }
.picked { margin: 8px 0 0; color: var(--cyan); font-size: 12px; }

.drop {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 120px;
  margin-top: 10px;
  border: 1px dashed rgba(61,139,253,.5);
  border-radius: 16px;
  background: var(--surface);
  cursor: pointer;
  text-align: center;
  padding: 20px;
}
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop strong { font-size: 14px; }
.drop span { font-size: 12px; color: var(--muted); }

.meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}
.meta div {
  background: var(--surface);
  border-radius: 12px;
  padding: 8px 10px;
}
.meta span { display: block; font-size: 10px; text-transform: uppercase; color: var(--muted); }
.meta b { font-weight: 500; font-size: 13px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  background: rgba(62,224,160,.15);
  color: var(--ok);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
}

.lede {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}
.fld-l { display: inline-flex; align-items: center; gap: 6px; }
.tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  cursor: help;
  vertical-align: middle;
}
.tip svg { display: block; }
.tip:hover, .tip:focus {
  color: var(--fg);
  border-color: var(--primary);
  background: rgba(61,139,253,.12);
}
.btn { transition: filter .15s ease, transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease; }
.btn:hover:not(:disabled) { filter: brightness(1.08); transform: translateY(-1px); }
.btn.ghost:hover:not(:disabled) { background: rgba(61,139,253,.1); border-color: var(--primary); color: var(--fg); }
.workspace-tab { transition: border-color .15s ease, color .15s ease, background .15s ease; }
.workspace-tab:hover:not([aria-selected="true"]) { border-color: var(--primary); color: var(--fg); }
.drop { transition: border-color .15s ease, background .15s ease; }
.drop:hover { border-color: var(--primary); background: rgba(61,139,253,.07); }
.lang-toggle button { transition: background .15s ease, color .15s ease; }
.lang-toggle button:hover { color: var(--fg); }
.link:hover { text-decoration: underline; }
.fld select {
  appearance: none;
  -webkit-appearance: none;
  padding-inline-end: 40px;
  background-color: var(--surface);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%239aa8bd' d='M1.2 1.2L6 6l4.8-4.8'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 12px 8px;
}
html[dir="rtl"] .fld select {
  background-position: left 14px center;
}
.fld input, .fld select {
  display: block;
  width: 100%;
  margin-top: 4px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0 10px;
}
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.rec { border: 1px solid var(--border); border-radius: 12px; padding: 10px; margin-top: 10px; }
.rec-h { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.line { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 0;
}
.btn.ghost { border: 1px solid var(--border); background: transparent; }
.btn.filled {
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  color: #fff;
}
.btn.grow { flex: 1; width: 100%; }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.link { background: none; border: 0; color: var(--primary); padding: 8px 0; }
.icon-btn { background: none; border: 0; color: var(--danger); }
.check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.banner { border-radius: 10px; padding: 10px 12px; font-size: 13px; margin-top: 10px; }
.banner.error { background: var(--danger-bg); color: var(--danger); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
pre {
  max-height: 240px;
  overflow: auto;
  background: var(--surface);
  border-radius: 10px;
  padding: 12px;
  font-family: var(--mono);
  font-size: 11px;
  white-space: pre-wrap;
}

.gate {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(900px 420px at 50% 0%, rgba(61,139,253,.18), transparent 55%),
    rgba(7,12,22,.96);
}
.gate[hidden] { display: none; }
.gate-card {
  width: min(380px, calc(100vw - 32px));
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  padding: 24px;
  border-radius: 20px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.gate-card .logo-lockup {
  height: 36px;
  width: auto;
  max-width: 168px;
  object-fit: contain;
  object-position: left center;
  align-self: flex-start;
  flex: 0 0 auto;
}
.gate h2 { margin: 0; font-size: 18px; }
.gate p { margin: 0; color: var(--muted); font-size: 13px; }
.gate input {
  width: 100%;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0 12px;
}
.gate-error { color: var(--danger) !important; }

@media (max-width: 640px) {
  .grid, .line, .meta { grid-template-columns: 1fr; }
  .app-header { flex-wrap: wrap; }
}