/* ==========================================================================
   CENTERNESS — Authentication pages
   ========================================================================== */

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

@media (max-width: 940px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
}

/* ---------- Left: brand panel ------------------------------------------- */

.auth-aside {
  position: relative;
  padding: var(--sp-7) clamp(var(--sp-6), 5vw, var(--sp-9));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  border-right: 1px solid var(--border-soft);
  background:
    radial-gradient(900px 620px at 18% 12%, rgba(0, 197, 212, 0.16), transparent 62%),
    radial-gradient(800px 600px at 82% 88%, rgba(29, 84, 144, 0.26), transparent 62%),
    linear-gradient(160deg, var(--navy-900), var(--navy-950));
}

.auth-aside::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(70% 70% at 50% 40%, #000, transparent);
  mask-image: radial-gradient(70% 70% at 50% 40%, #000, transparent);
  pointer-events: none;
}

.auth-aside > * { position: relative; z-index: 1; }

.auth-pitch { max-width: 34ch; }
.auth-pitch h2 { font-size: var(--step-3); margin-top: var(--sp-4); }
.auth-pitch p { margin-top: var(--sp-4); color: var(--text-mid); }

.auth-points {
  list-style: none;
  padding: 0;
  margin-top: var(--sp-6);
  display: grid;
  gap: var(--sp-4);
}

.auth-points li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--sp-3);
  align-items: start;
  font-size: var(--step--1);
  color: var(--text-mid);
}

.auth-points svg { margin-top: 3px; flex: none; color: var(--cyan-400); }
.auth-points strong { display: block; color: var(--text-hi); font-weight: 600; margin-bottom: 2px; }

.auth-aside-foot {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border-soft);
}

.auth-aside-foot img {
  height: 32px;
  mix-blend-mode: screen;
  filter: brightness(1.12);
}

.auth-aside-foot span {
  font-size: var(--step--1);
  color: var(--text-low);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ---------- Right: form panel ------------------------------------------- */

.auth-main {
  display: flex;
  flex-direction: column;
  padding: var(--sp-5) clamp(var(--sp-5), 5vw, var(--sp-8));
  background:
    radial-gradient(700px 500px at 80% -10%, rgba(0, 197, 212, 0.07), transparent 60%),
    var(--surface-0);
}

.auth-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: var(--sp-2) var(--sp-6);
}

.auth-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: var(--sp-4) var(--sp-7);
}

.auth-card { width: 100%; max-width: 420px; }

.auth-card h1 {
  font-size: var(--step-3);
  letter-spacing: -0.028em;
}

.auth-card > p.sub {
  margin-top: var(--sp-3);
  color: var(--text-mid);
  font-size: var(--step-0);
}

.auth-form { margin-top: var(--sp-6); }
.auth-form .alert { margin-bottom: var(--sp-5); }

.auth-form .btn-block { margin-top: var(--sp-6); }

.auth-alt {
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border-soft);
  font-size: var(--step--1);
  color: var(--text-low);
  text-align: center;
}

.auth-alt a { color: var(--cyan-400); font-weight: 570; }
.auth-alt a:hover { text-decoration: underline; }

/* Two fields side by side where they fit */
.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-4);
}

.field-row .field + .field { margin-top: 0; }

@media (max-width: 480px) {
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .field-row .field + .field { margin-top: var(--sp-4); }
}

/* ---------- Password strength ------------------------------------------- */

.pw-meter { margin-top: var(--sp-3); }

.pw-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.pw-seg {
  height: 3px;
  border-radius: 99px;
  background: var(--border-mid);
  transition: background 0.3s var(--ease);
}

.pw-meter[data-score='1'] .pw-seg:nth-child(-n+1) { background: var(--danger); }
.pw-meter[data-score='2'] .pw-seg:nth-child(-n+2) { background: var(--warn); }
.pw-meter[data-score='3'] .pw-seg:nth-child(-n+3) { background: #7bd389; }
.pw-meter[data-score='4'] .pw-seg { background: var(--ok); }

.pw-label {
  display: block;
  margin-top: var(--sp-2);
  font-size: 0.76rem;
  color: var(--text-low);
}

/* Show/hide password toggle */
.pw-wrap { position: relative; }
.pw-wrap .input { padding-right: 3rem; }

.pw-toggle {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 0; border-radius: var(--r-sm);
  background: transparent;
  color: var(--text-low);
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.pw-toggle:hover { color: var(--text-hi); background: var(--surface-2); }