/* ── The Brain sign-in ───────────────────────────────────────────────────────
   Split screen: burgundy brand panel (left in EN, right in AR) + sign-in form.
   Everything is scoped to #login and prefixed bl- so it never leaks into the app shell. */

#login {
  --brand: #72253D;          /* Shawarmer primary (shawarmer.com theme-color) */
  --brand-deep: #3E1020;     /* panel shadow end */
  --brand-ink: #24070F;      /* darkest panel corner */
  --spice: #F2B33D;          /* saffron accent: neural nodes, focus glow */
  --on-brand: #FBF3F5;       /* text on burgundy */
  --on-brand-dim: #D9B9C3;
  --bg: #ffffff; --fg: #1F1418; --muted: #6E5C63; --line: #E4D8DC; --field: #ffffff; --field-line: #D9CBD0;
  --btn-a: #8A2E4B; --btn-b: #5E1B31; --soft: #F6EEF1;
  --f-ui: "Readex Pro", "Segoe UI", "Noto Sans Arabic", Tahoma, system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;

  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 var(--f-ui);
}
:root[data-theme="dark"] #login {
  --bg: #17100F; --fg: #F3EAEC; --muted: #B39FA6; --line: #3A2A2F; --field: #1F1618; --field-line: #4A363C;
  --btn-a: #A2385A; --btn-b: #72253D; --soft: #2A1C20; color-scheme: dark;
}
#login *, #login *::before, #login *::after { box-sizing: border-box; }

/* ── brand panel ── */
#login .bl-panel {
  position: relative; overflow: hidden; color: var(--on-brand);
  display: flex; flex-direction: column; justify-content: space-between; gap: 40px;
  padding-block: 52px 40px;
  padding-left: max(56px, env(safe-area-inset-left, 0px)); padding-right: 56px;
  background:
    radial-gradient(120% 80% at 18% 30%, rgba(255,255,255,.07), transparent 55%),
    radial-gradient(90% 70% at 85% 110%, var(--brand-ink), transparent 70%),
    linear-gradient(160deg, var(--brand) 0%, var(--brand-deep) 62%, var(--brand-ink) 100%);
}
[dir="rtl"] #login .bl-panel { padding-right: max(56px, env(safe-area-inset-right, 0px)); padding-left: 56px; }
#login .bl-panel canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; pointer-events: none; }
#login .bl-panel > * { position: relative; }
#login .bl-lockup { display: flex; align-items: center; gap: 16px; }
#login .bl-mark { width: 78px; height: 78px; flex: none; overflow: visible; }
#login .bl-word { display: flex; flex-direction: column; gap: 8px; }
#login .bl-word b { font-weight: 600; font-size: 44px; line-height: .95; letter-spacing: -.015em; }
#login .bl-word b span { font-weight: 300; opacity: .85; }
#login .bl-chip {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; padding: 3px 12px; border-radius: 999px;
  font-size: 13px; font-weight: 500; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22);
}
#login .bl-chip i { width: 7px; height: 7px; border-radius: 50%; background: var(--spice); box-shadow: 0 0 0 3px rgba(242,179,61,.25); }
#login .bl-pitch { max-width: 34ch; display: flex; flex-direction: column; gap: 14px; }
#login .bl-pitch h1 { margin: 0; font-weight: 600; font-size: clamp(28px, 2.6vw, 38px); line-height: 1.18; text-wrap: balance; }
#login .bl-pitch h1 em { font-style: normal; color: var(--spice); }
#login .bl-pitch p { margin: 0; color: var(--on-brand-dim); font-size: 16px; font-weight: 300; max-width: 46ch; }
#login .bl-caps { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
#login .bl-caps li {
  font-size: 13px; padding: 5px 11px; border-radius: 8px;
  background: rgba(0,0,0,.18); border: 1px solid rgba(255,255,255,.12); color: var(--on-brand);
}
#login .bl-host { font: 12px var(--f-mono); color: var(--on-brand-dim); opacity: .8; direction: ltr; text-align: start; }

/* ── form side ── */
#login .bl-side {
  display: flex; align-items: center; justify-content: center; padding-block: 48px;
  padding-left: 24px; padding-right: max(24px, env(safe-area-inset-right, 0px));
}
[dir="rtl"] #login .bl-side { padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: 24px; }
#login .bl-card { width: min(420px, 100%); display: flex; flex-direction: column; gap: 22px; }
#login .bl-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
#login .bl-tools { display: inline-flex; align-items: center; gap: 8px; }
#login .bl-theme { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 2px; background: var(--bg); }
#login .bl-theme button { display: grid; place-items: center; border: 0; background: none; color: var(--muted); padding: 5px 8px; border-radius: 999px; cursor: pointer; }
#login .bl-theme button:not(.on):hover { color: var(--fg); }
#login .bl-theme button.on { background: var(--soft); color: var(--fg); }
#login .bl-theme svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
#login .bl-head h2 { margin: 0; font-size: 26px; font-weight: 600; }
#login .bl-lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 2px; background: var(--bg); }
#login .bl-lang button {
  border: 0; background: none; color: var(--muted); font: 500 12.5px var(--f-ui); padding: 5px 13px; border-radius: 999px; cursor: pointer;
}
#login .bl-lang button[aria-pressed="true"] { background: var(--brand); color: #fff; }
#login .bl-hello { margin: -12px 0 0; color: var(--muted); font-size: 14px; }
#login form { display: flex; flex-direction: column; gap: 16px; }
#login .bl-f { display: flex; flex-direction: column; gap: 6px; }
#login .bl-f label { font-size: 13px; font-weight: 500; color: var(--fg); }
#login .bl-box { position: relative; }
#login .bl-f input {
  width: 100%; height: 48px; padding: 0 14px; border-radius: 12px; border: 1px solid var(--field-line);
  background: var(--field); color: var(--fg); font: 15px var(--f-ui); transition: border-color .15s, box-shadow .15s;
}
#login .bl-f input::placeholder { color: var(--muted); opacity: .8; }
#login .bl-f input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(114,37,61,.14); }
:root[data-theme="dark"] #login .bl-f input:focus { box-shadow: 0 0 0 4px rgba(242,179,61,.18); }
#login .bl-eye {
  position: absolute; inset-block: 0; inset-inline-end: 6px; margin: auto 0; height: 36px; padding: 0 10px;
  border: 0; border-radius: 8px; background: none; color: var(--muted); font: 500 12.5px var(--f-ui); cursor: pointer;
}
#login .bl-eye:hover { background: var(--soft); color: var(--fg); }
#login .bl-f input.bl-pw { padding-inline-end: 70px; }
#login .bl-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13.5px; }
#login .bl-row label { display: flex; align-items: center; gap: 8px; color: var(--muted); cursor: pointer; }
#login .bl-row input { accent-color: var(--brand); width: 16px; height: 16px; }
#login .bl-row a { color: var(--brand); text-decoration: none; font-weight: 500; }
:root[data-theme="dark"] #login .bl-row a { color: var(--spice); }
#login .bl-go {
  height: 50px; border: 0; border-radius: 999px; color: #fff; font: 600 15.5px var(--f-ui); cursor: pointer;
  background: linear-gradient(90deg, var(--btn-a), var(--btn-b)); box-shadow: 0 8px 22px -10px rgba(114,37,61,.7);
  transition: transform .12s, box-shadow .12s, opacity .12s;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
#login .bl-go:hover { transform: translateY(-1px); box-shadow: 0 12px 26px -10px rgba(114,37,61,.8); }
#login .bl-go:active { transform: none; }
#login .bl-go:disabled { opacity: .7; cursor: progress; transform: none; }
#login .bl-go .bl-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--spice); }
#login .bl-msg { min-height: 20px; margin: 0; font-size: 13.5px; color: var(--muted); }
#login .bl-msg.err { color: #B3261E; }
:root[data-theme="dark"] #login .bl-msg.err { color: #F2B8B5; }
#login .bl-foot {
  font-size: 12.5px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
#login button:focus-visible, #login a:focus-visible, #login input[type=checkbox]:focus-visible { outline: 2px solid var(--spice); outline-offset: 2px; }

/* ── brain mark animation ── */
#login .bl-mark .node { fill: var(--spice); }
#login .bl-mark .pulse {
  fill: none; stroke: var(--spice); stroke-width: 1; opacity: 0;
  transform-box: fill-box; transform-origin: center; animation: bl-ping 3.2s ease-out infinite;
}
#login .bl-mark circle.pulse:nth-of-type(7) { animation-delay: .8s; }
#login .bl-mark circle.pulse:nth-of-type(8) { animation-delay: 1.6s; }
#login .bl-mark circle.pulse:nth-of-type(9) { animation-delay: 2.4s; }
#login .bl-mark .trace { stroke-dasharray: 30; stroke-dashoffset: 30; animation: bl-draw 1.4s .3s ease forwards; }
@keyframes bl-ping { 0% { opacity: .9; transform: scale(1); } 70% { opacity: 0; transform: scale(3.2); } 100% { opacity: 0; } }
@keyframes bl-draw { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  #login .bl-mark .pulse { animation: none; }
  #login .bl-mark .trace { animation: none; stroke-dashoffset: 0; }
}

/* ── responsive ── */
@media (max-width: 900px) {
  #login { grid-template-columns: minmax(0, 1fr); }
  #login .bl-panel {
    gap: 26px; padding-block: 28px 26px;
    padding-left: max(22px, env(safe-area-inset-left, 0px)); padding-right: max(22px, env(safe-area-inset-right, 0px));
  }
  [dir="rtl"] #login .bl-panel {
    padding-left: max(22px, env(safe-area-inset-left, 0px)); padding-right: max(22px, env(safe-area-inset-right, 0px));
  }
  #login .bl-mark { width: 58px; height: 58px; }
  #login .bl-word b { font-size: 34px; }
  #login .bl-pitch h1 { font-size: 24px; }
  #login .bl-pitch p { font-size: 14.5px; }
  #login .bl-host { display: none; }
  #login .bl-side {
    padding-block: 28px 40px;
    padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
  }
}