/* Register page — split signup shell (layout inspired by standalone signup mock, themed for app). */
.signup-shell {
  --signup-line: rgba(255, 255, 255, 0.1);
  --signup-line-strong: rgba(196, 181, 253, 0.22);
  --signup-side-text: rgba(230, 225, 255, 0.92);
  --signup-side-muted: rgba(170, 162, 205, 0.82);
  --signup-card-bg-a: rgba(30, 26, 48, 0.92);
  --signup-card-bg-b: rgba(12, 10, 22, 0.98);
  --signup-input-bg: rgba(255, 255, 255, 0.045);
  --signup-success: #6ee7b7;
  --signup-success-soft: rgba(110, 231, 183, 0.12);
  --signup-danger-soft: rgba(251, 113, 133, 0.12);
}

html[data-theme="light"] .signup-shell {
  --signup-line: rgba(15, 23, 42, 0.12);
  --signup-line-strong: rgba(15, 23, 42, 0.16);
  --signup-side-text: rgba(15, 23, 42, 0.94);
  --signup-side-muted: rgba(15, 23, 42, 0.66);
  --signup-card-bg-a: rgba(255, 255, 255, 0.98);
  --signup-card-bg-b: rgba(248, 250, 252, 0.98);
  --signup-input-bg: rgba(255, 255, 255, 0.92);
}

html[data-theme="light"] .signup-layout {
  box-shadow: var(--shadow);
}

html[data-theme="light"] .signup-side {
  color: var(--signup-side-text);
  background:
    radial-gradient(circle at 100% 0%, rgba(20, 184, 166, 0.16), transparent 36%),
    radial-gradient(circle at 0% 100%, rgba(15, 118, 110, 0.10), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.96) 100%);
}

html[data-theme="light"] .signup-side::after {
  background:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.18), transparent 92%);
}

html[data-theme="light"] .signup-brand-mark {
  background: rgba(15, 23, 42, 0.04);
  border-color: rgba(15, 23, 42, 0.08);
  color: rgba(15, 118, 110, 0.95);
}

html[data-theme="light"] .signup-eyebrow {
  color: rgba(15, 118, 110, 0.95);
  background: rgba(20, 184, 166, 0.12);
}

html[data-theme="light"] .signup-trust-list li {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(15, 23, 42, 0.10);
}

html[data-theme="light"] .signup-trust-icon {
  background: rgba(15, 23, 42, 0.04);
  border-color: rgba(15, 23, 42, 0.06);
  color: rgba(15, 118, 110, 0.95);
}

html[data-theme="light"] .signup-trust-list strong {
  color: var(--text);
}

html[data-theme="light"] .signup-trust-list p {
  color: var(--muted);
}

html[data-theme="light"] .signup-input-icon {
  color: rgba(15, 23, 42, 0.42);
}

html[data-theme="light"] .signup-input-wrap:focus-within input {
  background: rgba(255, 255, 255, 0.98);
}

html[data-theme="light"] .signup-rule {
  background: rgba(15, 23, 42, 0.04);
  color: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

html[data-theme="light"] .signup-rule::before {
  background: rgba(15, 23, 42, 0.22);
}

html[data-theme="light"] .signup-rule.is-valid {
  background: rgba(22, 163, 74, 0.12);
  color: #15803d;
  border-color: rgba(21, 128, 61, 0.22);
}

html[data-theme="light"] .signup-rule.is-valid::before {
  background: #15803d;
}

html[data-theme="light"] .signup-field--password .signup-rules {
  background: rgba(255, 255, 255, 0.92);
}

html[data-theme="light"] .signup-toggle-pass:hover {
  background: rgba(15, 23, 42, 0.06);
}

html[data-theme="light"] .signup-signin-link {
  color: rgba(15, 23, 42, 0.68);
}

html[data-theme="light"] .signup-oauth__divider span {
  background: rgba(255, 255, 255, 0.92);
}

.signup-layout {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 0;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--signup-line-strong);
  box-shadow: var(--shadow);
  animation: signup-enter 0.45s ease;
}

@keyframes signup-enter {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.signup-side {
  position: relative;
  padding: 2.5rem 2.25rem;
  color: var(--signup-side-text);
  background:
    radial-gradient(circle at 100% 0%, rgba(167, 139, 250, 0.22), transparent 32%),
    radial-gradient(circle at 0% 100%, rgba(124, 92, 230, 0.12), transparent 30%),
    linear-gradient(180deg, #141022 0%, #0c0a14 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.75rem;
}

.signup-side::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 92%);
  pointer-events: none;
}

.signup-side__top {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.signup-brand-mark {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #c4b5fd;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.signup-brand-mark svg {
  width: 38px;
  height: 38px;
}

.signup-eyebrow,
.signup-badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signup-eyebrow {
  color: #ddd6fe;
  background: rgba(167, 139, 250, 0.16);
  margin-bottom: 0.35rem;
}

.signup-side-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.65rem, 3.6vw, 2.65rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 14ch;
}

.signup-side-lead {
  margin: 0;
  color: var(--signup-side-muted);
  font-size: 15px;
  line-height: 1.65;
  max-width: 48ch;
}

.signup-trust-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.signup-trust-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.signup-trust-icon {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #ddd6fe;
  display: grid;
  place-items: center;
}

.signup-trust-icon svg {
  width: 20px;
  height: 20px;
  display: block;
}

.signup-trust-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  color: #f4f2ff;
}

.signup-trust-list p {
  margin: 0;
  color: var(--signup-side-muted);
  font-size: 14px;
  line-height: 1.55;
}

.signup-card {
  position: relative;
  padding: 2.5rem 2.25rem;
  background: linear-gradient(180deg, var(--signup-card-bg-a) 0%, var(--signup-card-bg-b) 100%);
}

.signup-card__head {
  margin-bottom: 1.65rem;
}

.signup-badge {
  color: var(--accent);
  background: rgba(167, 139, 250, 0.14);
  margin-bottom: 0.75rem;
}

.signup-card__title {
  margin: 0 0 0.6rem;
  font-size: clamp(1.55rem, 2.8vw, 2.15rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.signup-card__lead {
  margin: 0;
  color: var(--text-support);
  font-size: 15px;
  line-height: 1.6;
  max-width: 44ch;
}

.signup-form {
  display: grid;
  gap: 1.1rem;
}

.signup-name-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.signup-field {
  display: grid;
  gap: 6px;
}

.signup-field label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-label);
}

.signup-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.signup-input-icon {
  position: absolute;
  left: 14px;
  width: 20px;
  height: 20px;
  color: var(--text-ghost);
  pointer-events: none;
  z-index: 1;
}

.signup-input-icon svg,
.signup-toggle-pass svg {
  width: 20px;
  height: 20px;
  display: block;
}

.signup-input-wrap input {
  width: 100%;
  min-height: 54px;
  padding: 0 48px 0 44px;
  border-radius: 16px;
  border: 1px solid var(--signup-line);
  background: var(--signup-input-bg);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.signup-field:not(:has(.signup-input-icon)) .signup-input-wrap input {
  padding-left: 16px;
}

.signup-input-wrap input::placeholder {
  color: var(--text-placeholder);
}

.signup-input-wrap:focus-within input {
  border-color: rgba(196, 181, 253, 0.55);
  box-shadow: 0 0 0 3px var(--focus-ring-inner);
  background: rgba(255, 255, 255, 0.07);
}

.signup-toggle-pass {
  position: absolute;
  right: 10px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 10px;
  color: var(--text-soft);
  background: transparent;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.signup-toggle-pass:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.signup-hint,
.signup-error {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
}

.signup-hint {
  color: var(--text-support);
}

.signup-error {
  color: var(--danger);
  min-height: 1.2em;
}

.signup-rules {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

.signup-field--password .signup-rules {
  display: none;
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid var(--signup-line);
  background: rgba(255, 255, 255, 0.04);
}

.signup-field--password.is-active .signup-rules,
.signup-field--password:focus-within .signup-rules {
  display: flex;
}

.signup-rule {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 600;
  transition: background 0.18s ease, color 0.18s ease;
}

.signup-rule::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
}

.signup-rule.is-valid {
  background: var(--signup-success-soft);
  color: var(--signup-success);
}

.signup-rule.is-valid::before {
  background: var(--signup-success);
}

.signup-field.is-valid .signup-input-wrap input {
  border-color: rgba(110, 231, 183, 0.45);
  box-shadow: 0 0 0 3px rgba(110, 231, 183, 0.12);
}

.signup-field.is-invalid .signup-input-wrap input {
  border-color: rgba(251, 113, 133, 0.45);
  box-shadow: 0 0 0 3px var(--signup-danger-soft);
}

.signup-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-support);
  font-size: 14px;
  line-height: 1.55;
  cursor: pointer;
  user-select: none;
  margin-top: 0.15rem;
}

.signup-checkbox input {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--accent-dark);
  flex: 0 0 18px;
}

.signup-checkbox a,
.signup-signin-link a {
  color: var(--accent);
  font-weight: 600;
}

.signup-checkbox a:hover,
.signup-signin-link a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

.signup-checkbox-error {
  margin-top: -6px;
}

.signup-submit-btn {
  min-height: 54px;
  margin-top: 0.25rem;
  padding: 0 18px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--accent-foreground);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 14px 32px rgba(167, 139, 250, 0.2);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.signup-submit-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 18px 40px rgba(167, 139, 250, 0.28);
}

.signup-signin-link {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  text-align: center;
  color: var(--text-support);
  padding-top: 4px;
}

.signup-oauth {
  margin-top: 1.75rem;
  padding-top: 0.25rem;
}

.signup-oauth__divider span {
  background: var(--signup-card-bg-b);
}

@supports not selector(:has(*)) {
  .signup-name-row .signup-field .signup-input-wrap input {
    padding-left: 16px;
  }
}

@media (max-width: 991.98px) {
  .signup-layout {
    grid-template-columns: 1fr;
  }

  .signup-side,
  .signup-card {
    padding: 1.75rem 1.5rem;
  }

  .signup-side-title {
    max-width: none;
  }
}

@media (max-width: 575.98px) {
  .signup-layout {
    border-radius: 22px;
  }

  .signup-side,
  .signup-card {
    padding: 1.35rem 1.15rem;
  }

  .signup-name-row {
    grid-template-columns: 1fr;
  }

  .signup-submit-btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .signup-layout {
    animation: none;
  }

  .signup-submit-btn {
    transition: none;
  }

  .signup-submit-btn:hover {
    transform: none;
  }
}