/* QNSET account pages (sign in, sign up, password reset, confirmation).
   Builds on qx.css. One centred glass card over a dot grid and a spectrum
   "horizon" arc (Views/Shared/_AuthBackdrop.cshtml). */

.qi {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  min-height: calc(100svh - 4rem);
  padding: clamp(2.5rem, 7vh, 4.5rem) 16px clamp(5rem, 14vh, 8rem);
  overflow: hidden;
  /* cancel <main>'s bottom padding; this page owns its spacing */
  margin-bottom: -3rem;
}

/* ---------- Backdrop ---------- */

.qi-backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* a faint dot grid that fades out away from the card */
.qi-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(244, 244, 247, 0.09) 1px, transparent 1.2px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(ellipse 55% 50% at 50% 42%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 55% 50% at 50% 42%, #000 20%, transparent 75%);
}

/* the top edge of a huge circle with a spectrum rim, glowing upward */
.qi-horizon {
  position: absolute;
  left: 50%;
  top: 74%;
  width: max(1600px, 170vw);
  aspect-ratio: 1;
  border: 1px solid transparent;
  border-radius: 50%;
  background:
    linear-gradient(#050507, #050507) padding-box,
    linear-gradient(90deg, transparent 18%, var(--qx-red) 34%, var(--qx-purple) 50%, var(--qx-blue) 66%, transparent 82%) border-box;
  box-shadow:
    0 -24px 90px -10px rgba(157, 77, 255, 0.45),
    0 -60px 220px -20px rgba(47, 107, 255, 0.25);
  transform: translate(-50%, 0);
  animation: qi-rise 1.6s var(--qx-ease) both;
}

/* ---------- Card ---------- */

.qi-stack {
  display: grid;
  justify-items: center;
  gap: 1.5rem;
  width: min(100%, 26rem);
}

.qi-card {
  position: relative;
  width: 100%;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  border: 1px solid rgba(244, 244, 247, 0.09);
  border-radius: 1.5rem;
  background: rgba(13, 13, 19, 0.72);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.8);
  animation: qx-fade-up 0.9s var(--qx-ease) 0.1s both;
}

/* spectrum hairline drawn across the card's top edge */
.qi-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 14%;
  right: 14%;
  height: 1px;
  background: var(--qx-spectrum);
  transform-origin: left;
  animation: qx-grow-x 1.1s var(--qx-ease) 0.45s both;
}

.qi-mark {
  display: block;
  width: 5.25rem;
  margin-bottom: 1.75rem;
  color: var(--qx-ink);
  transition: opacity 0.2s ease;
}

.qi-mark:hover {
  opacity: 0.8;
}

.qx-mark {
  display: block;
  width: 100%;
  height: auto;
}

.qi-title {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.1rem);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.qi-lead {
  margin: 0.6rem 0 0;
  line-height: 1.55;
  color: var(--qx-muted);
}

/* ---------- Form ---------- */

.qi-form {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.75rem;
}

.qi-field {
  display: grid;
  gap: 0.45rem;
}

.qi-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.qi-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(244, 244, 247, 0.85);
}

.qi-input {
  width: 100%;
  height: 2.9rem;
  padding: 0 0.95rem;
  border: 1px solid rgba(244, 244, 247, 0.12);
  border-radius: 0.75rem;
  background: rgba(244, 244, 247, 0.035);
  color: var(--qx-ink);
  font: inherit;
  font-size: 0.98rem;
  transition: border-color 0.2s ease, box-shadow 0.25s ease, background-color 0.2s ease;
}

.qi-input:hover {
  border-color: rgba(244, 244, 247, 0.22);
}

.qi-input:focus {
  outline: none;
  border-color: rgba(157, 77, 255, 0.85);
  background: rgba(157, 77, 255, 0.06);
  box-shadow: 0 0 0 4px rgba(157, 77, 255, 0.16), 0 0 24px -6px rgba(157, 77, 255, 0.5);
}

.qi-input:focus-visible {
  outline: none;
}

/* password field with a show/hide button inside it */
.qi-pw {
  position: relative;
}

.qi-pw .qi-input {
  padding-right: 3rem;
}

.qi-pw-toggle {
  display: none;
  position: absolute;
  top: 50%;
  right: 0.4rem;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 0.55rem;
  background: none;
  color: var(--qx-faint);
  cursor: pointer;
  transform: translateY(-50%);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.qi-js .qi-pw-toggle {
  display: grid;
}

.qi-pw-toggle:hover {
  color: var(--qx-ink);
  background: rgba(244, 244, 247, 0.06);
}

.qi-eye-off,
.qi-pw-toggle[aria-pressed="true"] .qi-eye {
  display: none;
}

.qi-pw-toggle[aria-pressed="true"] .qi-eye-off {
  display: block;
}

.qi-link-sm {
  font-size: 0.82rem;
  color: var(--qx-muted);
  text-decoration: none;
}

.qi-link-sm:hover {
  color: var(--qx-ink);
}

.qi-check {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  font-size: 0.9rem;
  color: var(--qx-muted);
  cursor: pointer;
}

.qi-check input {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: var(--qx-purple);
}

.qi-submit {
  width: 100%;
  height: 3rem;
  margin-top: 0.4rem;
}

.qi-below {
  margin: 0;
  font-size: 0.92rem;
  color: var(--qx-muted);
  text-align: center;
  animation: qx-fade 0.8s ease 0.5s both;
}

.qi-below a,
.qi-notice a {
  font-weight: 600;
  color: var(--qx-ink);
  text-decoration: underline;
  text-decoration-color: rgba(157, 77, 255, 0.7);
  text-underline-offset: 3px;
}

/* ---------- Messages ---------- */

.qi-notice {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(157, 77, 255, 0.4);
  border-radius: 0.8rem;
  background: rgba(157, 77, 255, 0.1);
  font-size: 0.92rem;
  line-height: 1.5;
}

.qi-notice--ok {
  border-color: rgba(47, 107, 255, 0.45);
  background: rgba(47, 107, 255, 0.1);
}

.qi-errors ul {
  margin: 0;
  padding: 0.8rem 1rem;
  list-style: none;
  border: 1px solid rgba(255, 45, 74, 0.45);
  border-radius: 0.8rem;
  background: rgba(255, 45, 74, 0.1);
  font-size: 0.9rem;
  line-height: 1.5;
  color: #ffd2d9;
}

.qi-errors.validation-summary-valid {
  display: none;
}

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

.qi-strength {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.2rem;
}

.qi-strength[hidden] {
  display: none;
}

.qi-meter {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 4px;
}

.qi-meter i {
  height: 3px;
  border-radius: 999px;
  background: rgba(244, 244, 247, 0.1);
  transition: background-color 0.3s ease;
}

/* data-level = rules met (0..5): weak red, fair purple, strong blue */
.qi-strength[data-level="1"] .qi-meter i:nth-child(-n + 1),
.qi-strength[data-level="2"] .qi-meter i:nth-child(-n + 2) { background: var(--qx-red); }
.qi-strength[data-level="3"] .qi-meter i:nth-child(-n + 3),
.qi-strength[data-level="4"] .qi-meter i:nth-child(-n + 4) { background: var(--qx-purple); }
.qi-strength[data-level="5"] .qi-meter i { background: var(--qx-blue); }

.qi-strength-label {
  margin: 0;
  min-width: 5.5rem;
  font-family: var(--qx-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-align: right;
  text-transform: uppercase;
  color: var(--qx-muted);
}

.qi-rules {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.15rem 0 0;
  padding: 0;
  list-style: none;
}

.qi-rules li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--qx-line);
  border-radius: 999px;
  font-size: 0.74rem;
  color: var(--qx-faint);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.qi-rules li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(244, 244, 247, 0.25);
  transition: background-color 0.2s ease;
}

.qi-rules li.is-ok {
  border-color: rgba(47, 107, 255, 0.45);
  background: rgba(47, 107, 255, 0.1);
  color: var(--qx-ink);
}

.qi-rules li.is-ok::before {
  background: var(--qx-blue);
}

/* ---------- Staff sign-in ---------- */

.qi-kicker {
  margin: -0.75rem 0 0.75rem;
  font-family: var(--qx-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--qx-faint);
}

.qi-input--code {
  font-family: var(--qx-mono);
  font-size: 1.25rem;
  letter-spacing: 0.35em;
  text-align: center;
}

.qi-kicker--red { color: #ff8a9b; }
.qi-kicker--purple { color: #cfa9ff; }

/* ---------- Standalone notices (account limited, IP block) ---------- */

.qi-standalone {
  margin: 0;
  font-family: var(--font-sans, 'Geist', ui-sans-serif, system-ui, sans-serif);
}

.qi-standalone .qi {
  min-height: 100svh;
  margin-bottom: 0;
}

.qi-steps {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--qx-line);
  border-radius: 0.9rem;
  background: rgba(244, 244, 247, 0.03);
}

.qi-steps p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: rgba(244, 244, 247, 0.8);
}

.qi-steps .qi-steps-title {
  margin-bottom: 0.4rem;
  font-family: var(--qx-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--qx-faint);
}

.qi-steps-mail,
.qi-steps .qi-steps-mono {
  display: inline-block;
  margin-top: 0.6rem;
  font-family: var(--qx-mono);
  font-size: 0.86rem;
  color: var(--qx-ink);
}

.qi-steps-mail {
  text-decoration-line: underline;
  text-decoration-color: rgba(157, 77, 255, 0.7);
  text-underline-offset: 3px;
}

.qi-steps .qi-steps-note {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--qx-faint);
}

.qi-steps + .qi-submit {
  margin-top: 1.5rem;
}

/* ---------- Email preferences ---------- */

.qi-stack--wide {
  width: min(100%, 31rem);
}

.qi-hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--qx-faint);
}

.qi-field-error {
  font-size: 0.85rem;
  color: #ff9aa8;
}

.qi-field-error.field-validation-valid {
  display: none;
}

/* the two submit buttons, as a pair of choices */
.qi-choice {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.4rem;
}

.qi-option {
  display: grid;
  justify-items: start;
  gap: 0.15rem;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(244, 244, 247, 0.12);
  border-radius: 0.9rem;
  background: rgba(244, 244, 247, 0.03);
  font: inherit;
  text-align: left;
  color: var(--qx-ink);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.4s var(--qx-ease);
}

.qi-option svg {
  margin-bottom: 0.5rem;
  color: var(--qx-faint);
  transition: color 0.2s ease;
}

.qi-option:hover {
  border-color: rgba(244, 244, 247, 0.3);
  background: rgba(244, 244, 247, 0.06);
  transform: translateY(-2px);
}

.qi-option:hover svg {
  color: var(--qx-ink);
}

.qi-option:focus-visible {
  outline: 2px solid var(--qx-purple);
  outline-offset: 2px;
}

.qi-option--on {
  border-color: rgba(157, 77, 255, 0.5);
  background: rgba(157, 77, 255, 0.1);
}

.qi-option--on svg {
  color: var(--qx-purple);
}

.qi-option--on:hover {
  border-color: rgba(157, 77, 255, 0.85);
  background: rgba(157, 77, 255, 0.16);
}

.qi-option-title {
  font-weight: 600;
}

.qi-option-text {
  font-size: 0.82rem;
  color: var(--qx-muted);
}

.qi-essentials {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--qx-line);
}

.qi-essentials-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.qi-essentials-text {
  margin: 0.4rem 0 0;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--qx-muted);
}

.qi-essentials ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.qi-essentials li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border: 1px solid rgba(47, 107, 255, 0.4);
  border-radius: 999px;
  background: rgba(47, 107, 255, 0.08);
  font-size: 0.78rem;
}

.qi-essentials li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--qx-blue);
}

@media (max-width: 420px) {
  .qi-choice {
    grid-template-columns: minmax(0, 1fr);
  }
}

@keyframes qi-rise {
  from { opacity: 0; transform: translate(-50%, 60px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .qi-horizon,
  .qi-card,
  .qi-card::before,
  .qi-below {
    animation: none;
  }
}