/* =========================================================================
   SIGN IN — modern split layout (views/login_registration/signin.html, authController).
   Approved from client/views/_preview/signin_preview.html (notes: _preview/_SIGNIN_REDESIGN.md).
   Everything is scoped under #signin-redesign; class names avoid Bootstrap's (.si-btn, .si-lead).
   Icons: Font Awesome 5 Pro (fas / far / fal). Screens animate in via ngAnimate's .ng-enter.
   ========================================================================= */
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap");

#signin-redesign {
  --brand-blue: #00b4ff;
  --brand-blue-2: #2b9cd3;
  --brand-green: #36bea6;
  --ink: #1f2a37;
  --ink-2: #5b6b7f;
  --ink-3: #8a99ad;
  --line: #e7ecf3;
  --line-strong: #d8e0ea;
  --surface: #fff;
  --surface-2: #f7f9fc;
  --surface-3: #eef3f9;
  --danger: #e5484d;
  --warn: #f5a524;
  --ok: #2f9e6e;
  --grad-blue: linear-gradient(135deg, #2b9cd3, #00b4ff);
  --ring: 0 0 0 4px rgba(0, 180, 255, 0.18);
  font-family: "Montserrat", sans-serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.3;
}
#signin-redesign *,
#signin-redesign *::before,
#signin-redesign *::after { box-sizing: border-box; }
#signin-redesign button,
#signin-redesign input { font-family: inherit; }
#signin-redesign a { color: var(--brand-blue-2); text-decoration: none; }
#signin-redesign a:hover { text-decoration: underline; }

/* ===== shell ===== */
#signin-redesign .si-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
}

/* ===== brand panel ===== */
#signin-redesign .si-brand {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 40px 48px;
  color: #fff;
  background: linear-gradient(155deg, #0b2a44 0%, #0f4c78 42%, #1a8fd0 78%, #00b4ff 100%);
}
/* soft moving light + fine grid (replaces the old lines.mp4 background video) */
#signin-redesign .si-brand::before {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(38% 32% at 22% 28%, rgba(0, 180, 255, 0.45), transparent 70%),
    radial-gradient(30% 28% at 80% 72%, rgba(54, 190, 166, 0.35), transparent 70%),
    radial-gradient(26% 24% at 70% 18%, rgba(255, 255, 255, 0.14), transparent 70%);
  filter: blur(10px);
  animation: si-drift 18s ease-in-out infinite alternate;
}
#signin-redesign .si-brand::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(80% 70% at 40% 40%, #000 30%, transparent 85%);
  mask-image: radial-gradient(80% 70% at 40% 40%, #000 30%, transparent 85%);
}
@keyframes si-drift {
  from { transform: translate3d(-3%, -2%, 0) scale(1); }
  to { transform: translate3d(4%, 3%, 0) scale(1.08); }
}
#signin-redesign .si-brand > * { position: relative; z-index: 1; }
/* brand lockup: logo in a frosted tile + name + tagline */
#signin-redesign .si-lockup { display: inline-flex; align-items: center; gap: 18px; }
#signin-redesign .si-mark {
  position: relative;
  flex: 0 0 auto;
  width: 84px;
  height: 84px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.28);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 40px rgba(3, 18, 33, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
/* soft halo behind the tile */
#signin-redesign .si-mark::before {
  content: "";
  position: absolute;
  inset: -14px;
  z-index: -1;
  border-radius: 34px;
  background: radial-gradient(closest-side, rgba(0, 180, 255, 0.45), transparent);
  filter: blur(6px);
}
#signin-redesign .si-mark img { width: 56px; height: 56px; object-fit: contain; display: block; filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.25)); }
#signin-redesign .si-lock-txt { min-width: 0; }
#signin-redesign .si-wordmark {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
  background: linear-gradient(180deg, #ffffff 30%, #cfeeff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
#signin-redesign .si-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #9fe3ff;
}
#signin-redesign .si-tagline::before { content: ""; width: 18px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, #36bea6, #00b4ff); }
/* TexasPTC: long name on two lines (no tagline on file) */
#signin-redesign.brand-TPTC .si-wordmark { font-size: 27px; max-width: 320px; line-height: 1.08; }
#signin-redesign .si-brand-body { margin: auto 0; max-width: 520px; padding: 40px 0; }
#signin-redesign .si-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
#signin-redesign .si-eyebrow i { color: #7ee2cf; }
#signin-redesign .si-brand h2 {
  margin: 18px 0 12px;
  font-size: 40px;
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
}
#signin-redesign .si-brand h2 span {
  background: linear-gradient(90deg, #7ee2cf, #9fe3ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
#signin-redesign .si-lead { margin: 0; font-size: 15px; line-height: 1.6; color: rgba(255, 255, 255, 0.82); font-weight: 500; }
#signin-redesign .si-feats { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 12px; }
#signin-redesign .si-feats li { display: flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 600; color: rgba(255, 255, 255, 0.92); }
#signin-redesign .si-feats .fi {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
/* floating glass "savings" card */
#signin-redesign .si-glass {
  margin-top: 34px;
  width: min(360px, 100%);
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 50px rgba(3, 18, 33, 0.35);
  animation: si-float 6s ease-in-out infinite;
}
@keyframes si-float { 50% { transform: translateY(-6px); } }
#signin-redesign .si-glass .g-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
}
#signin-redesign .si-glass .g-pill { padding: 3px 9px; border-radius: 999px; background: rgba(54, 190, 166, 0.25); color: #b9f3e6; letter-spacing: 0.02em; }
#signin-redesign .si-glass .g-val { margin-top: 8px; font-size: 28px; font-weight: 800; letter-spacing: -0.02em; }
#signin-redesign .si-glass .g-sub { font-size: 12px; color: rgba(255, 255, 255, 0.75); font-weight: 500; }
#signin-redesign .si-glass .g-bars { display: flex; align-items: flex-end; gap: 8px; height: 46px; margin-top: 12px; }
#signin-redesign .si-glass .g-bars span { flex: 1; border-radius: 6px 6px 3px 3px; background: rgba(255, 255, 255, 0.28); }
#signin-redesign .si-glass .g-bars span.hi { background: linear-gradient(180deg, #7ee2cf, #36bea6); }
#signin-redesign .si-brand-foot { font-size: 12px; color: rgba(255, 255, 255, 0.6); font-weight: 500; }

/* ===== form side ===== */
#signin-redesign .si-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background:
    radial-gradient(60% 50% at 100% 0%, rgba(0, 180, 255, 0.07), transparent 70%),
    #f6f9fc;
}
#signin-redesign .si-card {
  width: min(440px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 24px 60px rgba(16, 24, 40, 0.08), 0 2px 6px rgba(16, 24, 40, 0.04);
  padding: 36px 34px 30px;
}
#signin-redesign .si-mobile-logo { display: none; }
#signin-redesign .si-help { margin-top: 18px; font-size: 12.5px; font-weight: 500; color: var(--ink-3); text-align: center; }
#signin-redesign .si-help a { font-weight: 700; cursor: pointer; }

/* screens: animate in, leave instantly (so two screens never stack during ngAnimate's leave) */
#signin-redesign .scr.ng-enter { animation: si-scr-in 0.28s cubic-bezier(0.2, 0.9, 0.3, 1) both; }
#signin-redesign .scr.ng-leave { display: none; }
@keyframes si-scr-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

#signin-redesign .back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: -6px 0 14px;
  padding: 6px 10px 6px 6px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
}
#signin-redesign .back:hover { background: var(--surface-2); color: var(--ink); }
#signin-redesign .badge-ic {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  margin-bottom: 18px;
  display: grid;
  place-items: center;
  font-size: 22px;
  color: var(--brand-blue-2);
  background: linear-gradient(135deg, rgba(43, 156, 211, 0.12), rgba(0, 180, 255, 0.18));
}
#signin-redesign .badge-ic.green { color: var(--ok); background: rgba(54, 190, 166, 0.14); }
#signin-redesign .badge-ic.red { color: var(--danger); background: rgba(229, 72, 77, 0.1); }
#signin-redesign .badge-ic.amber { color: #b7791f; background: rgba(245, 165, 36, 0.14); }
#signin-redesign .badge-ic.pulse { animation: si-ic-pulse 2.2s ease-in-out infinite; }
@keyframes si-ic-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 180, 255, 0.25); }
  50% { box-shadow: 0 0 0 10px rgba(0, 180, 255, 0); }
}
#signin-redesign h1.t { margin: 0; font-size: 26px; font-weight: 800; letter-spacing: -0.025em; line-height: 1.15; color: var(--ink); }
#signin-redesign p.s { margin: 8px 0 0; font-size: 14px; line-height: 1.55; color: var(--ink-2); font-weight: 500; }
#signin-redesign p.s b { color: var(--ink); font-weight: 700; }
#signin-redesign .stack { margin-top: 24px; display: grid; gap: 14px; }

/* floating-label field */
#signin-redesign .fld { position: relative; display: block; margin: 0; }
#signin-redesign .fld input {
  width: 100%;
  height: 56px;
  padding: 24px 46px 6px 46px;
  border: 1.5px solid var(--line-strong);
  border-radius: 13px;
  background: var(--surface);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
#signin-redesign .fld input:focus { border-color: var(--brand-blue); box-shadow: var(--ring); }
#signin-redesign .fld .lab {
  position: absolute;
  left: 46px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-3);
  pointer-events: none;
  transition: all 0.15s ease;
}
#signin-redesign .fld input:focus + .lab,
#signin-redesign .fld input:not(:placeholder-shown) + .lab {
  top: 10px;
  transform: none;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--brand-blue-2);
}
#signin-redesign .fld .lead-ic {
  position: absolute;
  left: 17px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-3);
  font-size: 15px;
  pointer-events: none;
  transition: color 0.15s ease;
}
#signin-redesign .fld input:focus ~ .lead-ic { color: var(--brand-blue-2); }
#signin-redesign .fld .eye {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--ink-3);
  font-size: 15px;
  cursor: pointer;
}
#signin-redesign .fld .eye:hover { background: var(--surface-2); color: var(--ink); }
#signin-redesign .fld.bad input { border-color: var(--danger); }
#signin-redesign .fld.bad input:focus { box-shadow: 0 0 0 4px rgba(229, 72, 77, 0.14); }
#signin-redesign .fld.good input { border-color: var(--brand-green); }

#signin-redesign .msg {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 11px 13px;
  border-radius: 11px;
  font-size: 13px;
  line-height: 1.45;
  font-weight: 600;
}
#signin-redesign .msg i { margin-top: 2px; }
#signin-redesign .msg.err { color: #b4232a; background: rgba(229, 72, 77, 0.08); border: 1px solid rgba(229, 72, 77, 0.2); }
#signin-redesign .msg.ok { color: #1f7a56; background: rgba(54, 190, 166, 0.1); border: 1px solid rgba(54, 190, 166, 0.25); }
#signin-redesign .msg.info { color: #1f5f86; background: rgba(0, 180, 255, 0.07); border: 1px solid rgba(0, 180, 255, 0.2); }
#signin-redesign .msg span { font-weight: 500; }
#signin-redesign .msg b { font-weight: 700; }

#signin-redesign .si-btn {
  position: relative;
  width: 100%;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: 13px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.15s ease, filter 0.15s ease, background 0.15s ease;
}
#signin-redesign .si-btn:active { transform: scale(0.99); }
#signin-redesign .si-btn.primary { color: #fff; background: var(--grad-blue); box-shadow: 0 10px 24px rgba(0, 180, 255, 0.3); }
#signin-redesign .si-btn.primary:hover { filter: brightness(1.05); box-shadow: 0 12px 28px rgba(0, 180, 255, 0.38); }
#signin-redesign .si-btn.primary:disabled { cursor: not-allowed; filter: grayscale(0.35) opacity(0.55); box-shadow: none; }
#signin-redesign .si-btn.primary i { transition: transform 0.15s ease; }
#signin-redesign .si-btn.primary:hover:not(:disabled) i.fa-arrow-right { transform: translateX(3px); }
#signin-redesign .si-btn.ghost { color: var(--ink); background: var(--surface); border: 1.5px solid var(--line-strong); }
#signin-redesign .si-btn.ghost:hover { border-color: var(--brand-blue); color: var(--brand-blue-2); text-decoration: none; }
#signin-redesign .si-btn.loading { color: transparent !important; pointer-events: none; }
#signin-redesign .si-btn.loading i { visibility: hidden; }
#signin-redesign .si-btn.loading::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2.5px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  animation: si-spin 0.7s linear infinite;
}
#signin-redesign .si-btn.ghost.loading::after { border-color: rgba(43, 156, 211, 0.25); border-top-color: var(--brand-blue-2); }
@keyframes si-spin { to { transform: rotate(360deg); } }
#signin-redesign .linkbtn { border: 0; background: transparent; padding: 0; color: var(--brand-blue-2); font-weight: 700; font-size: 13px; cursor: pointer; }
#signin-redesign .linkbtn:hover { text-decoration: underline; }
#signin-redesign .linkbtn:disabled { color: var(--ink-3); cursor: default; text-decoration: none; }

#signin-redesign .opts { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
/* switch-style Remember Me */
#signin-redesign .tgl { display: inline-flex; align-items: center; gap: 10px; margin: 0; cursor: pointer; user-select: none; }
#signin-redesign .tgl input { position: absolute; opacity: 0; pointer-events: none; }
#signin-redesign .tgl .sw { position: relative; width: 38px; height: 22px; border-radius: 999px; background: var(--line-strong); transition: background 0.2s ease; }
#signin-redesign .tgl .sw::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(16, 24, 40, 0.25);
  transition: transform 0.2s ease;
}
#signin-redesign .tgl input:checked + .sw { background: var(--brand-blue); }
#signin-redesign .tgl input:checked + .sw::after { transform: translateX(16px); }
#signin-redesign .tgl input:focus-visible + .sw { box-shadow: var(--ring); }

#signin-redesign .divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
#signin-redesign .divider::before,
#signin-redesign .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* who (password step) */
#signin-redesign .who { display: flex; align-items: center; gap: 13px; padding: 12px 14px; border-radius: 14px; background: var(--surface-2); border: 1px solid var(--line); }
#signin-redesign .avatar {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  background: var(--grad-blue);
  box-shadow: 0 6px 14px rgba(0, 180, 255, 0.3);
}
#signin-redesign .who .w1 { font-size: 15px; font-weight: 800; }
#signin-redesign .who .w2 { font-size: 12.5px; color: var(--ink-2); font-weight: 500; margin-top: 2px; word-break: break-all; }
#signin-redesign .who .w2 .linkbtn { font-size: 12px; margin-left: 4px; }

/* one-time code (pt-otp directive) */
#signin-redesign .otp { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
#signin-redesign .otp input {
  width: 100%;
  height: 60px;
  padding: 0;
  text-align: center;
  border: 1.5px solid var(--line-strong);
  border-radius: 13px;
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  background: var(--surface);
  outline: none;
  caret-color: var(--brand-blue);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease, background 0.15s ease;
}
#signin-redesign .otp input:focus { border-color: var(--brand-blue); box-shadow: var(--ring); transform: translateY(-1px); }
#signin-redesign .otp input.filled { background: var(--surface-2); border-color: #b9dff3; }
#signin-redesign .otp.bad input { border-color: var(--danger); background: rgba(229, 72, 77, 0.04); }
#signin-redesign .otp.good input { border-color: var(--brand-green); background: rgba(54, 190, 166, 0.06); }
#signin-redesign .otp.shake { animation: si-shake 0.42s cubic-bezier(0.36, 0.07, 0.19, 0.97); }
#signin-redesign .otp.busy input { opacity: 0.6; }
@keyframes si-shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
#signin-redesign .resend { text-align: center; font-size: 13px; color: var(--ink-2); font-weight: 500; }
#signin-redesign .resend .cd { color: var(--ink-3); font-variant-numeric: tabular-nums; }
#signin-redesign .tip {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px dashed var(--line-strong);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-2);
  font-weight: 500;
}
#signin-redesign .tip i { color: #e0a100; margin-top: 2px; }

/* password rules */
#signin-redesign .meter { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-top: -4px; }
#signin-redesign .meter span { height: 5px; border-radius: 999px; background: var(--surface-3); transition: background 0.2s ease; }
#signin-redesign .meter.s1 span:nth-child(-n+1) { background: var(--danger); }
#signin-redesign .meter.s2 span:nth-child(-n+2) { background: var(--warn); }
#signin-redesign .meter.s3 span:nth-child(-n+3) { background: #7cc36b; }
#signin-redesign .meter.s4 span { background: var(--brand-green); }
#signin-redesign .rules { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; font-size: 12.5px; font-weight: 600; color: var(--ink-3); }
#signin-redesign .rules li { display: flex; align-items: center; gap: 9px; transition: color 0.15s ease; }
#signin-redesign .rules li i {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 9px;
  color: #fff;
  background: var(--line-strong);
  transition: background 0.15s ease;
}
#signin-redesign .rules li.met { color: var(--ok); }
#signin-redesign .rules li.met i { background: var(--brand-green); }

/* success / loading */
#signin-redesign .done-ring { width: 78px; height: 78px; margin: 6px auto 18px; border-radius: 50%; display: grid; place-items: center; background: rgba(54, 190, 166, 0.12); }
#signin-redesign .done-ring i { font-size: 32px; color: var(--ok); animation: si-pop 0.45s cubic-bezier(0.2, 0.9, 0.3, 1.4) both; }
@keyframes si-pop { from { transform: scale(0.3); opacity: 0; } to { transform: none; opacity: 1; } }
#signin-redesign .center { text-align: center; }
#signin-redesign .bar { height: 4px; border-radius: 999px; background: var(--surface-3); overflow: hidden; margin-top: 22px; }
#signin-redesign .bar span { display: block; height: 100%; width: 40%; border-radius: inherit; background: var(--grad-blue); animation: si-bar 1.2s ease-in-out infinite; }
@keyframes si-bar { from { transform: translateX(-100%); } to { transform: translateX(260%); } }
#signin-redesign .si-spinner { width: 34px; height: 34px; margin: 10px auto 14px; border-radius: 50%; border: 3px solid rgba(0, 180, 255, 0.18); border-top-color: var(--brand-blue); animation: si-spin 0.8s linear infinite; }

/* ===== responsive ===== */
@media (max-width: 1100px) {
  #signin-redesign .si-brand { padding: 34px 36px; }
  #signin-redesign .si-brand h2 { font-size: 32px; }
}
@media (max-width: 900px) {
  #signin-redesign .si-shell { grid-template-columns: minmax(0, 1fr); }
  #signin-redesign .si-brand { display: none; }
  #signin-redesign .si-main { justify-content: flex-start; padding: 0 16px 32px; background: #f6f9fc; }
  /* compact brand band on top */
  #signin-redesign .si-mobile-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: calc(100% + 32px);
    margin: 0 -16px 22px;
    padding: 26px 16px 54px;
    background: linear-gradient(155deg, #0b2a44 0%, #0f4c78 45%, #1a8fd0 85%, #00b4ff 100%);
  }
  #signin-redesign .si-mobile-logo .si-lockup { gap: 14px; }
  #signin-redesign .si-mobile-logo .si-mark { width: 62px; height: 62px; border-radius: 18px; }
  #signin-redesign .si-mobile-logo .si-mark::before { display: none; }
  #signin-redesign .si-mobile-logo .si-mark img { width: 40px; height: 40px; }
  #signin-redesign .si-mobile-logo .si-wordmark { font-size: 25px; }
  #signin-redesign .si-mobile-logo .si-tagline { margin-top: 6px; font-size: 10px; }
  #signin-redesign.brand-TPTC .si-mobile-logo .si-wordmark { font-size: 19px; max-width: 220px; }
  #signin-redesign .si-card { margin-top: -52px; padding: 28px 22px 24px; border-radius: 20px; }
}
@media (max-width: 420px) {
  #signin-redesign h1.t { font-size: 23px; }
  #signin-redesign .otp { gap: 7px; }
  #signin-redesign .otp input { height: 52px; font-size: 21px; border-radius: 11px; }
  #signin-redesign .opts { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  #signin-redesign *,
  #signin-redesign *::before,
  #signin-redesign *::after { animation: none !important; transition: none !important; }
}