/**
 * Canvas — صفحات تسجيل الدخول / التسجيل
 * سلسلة --sc-bg-page … --sc-muted (وما يليها) مطابقة لـ body.canvas-home-body / .canvas-home في canvas-home.css؛
 * باقي الواجهة يستخدم var(--sc-teal) و var(--sc-blue) بدل الرجوع المباشر لـ --primary-color.
 * الافتراضي: وضع ليلي — html[data-theme="dark"] يفعّل ألوان التخصيص الداكنة من partials/css-variables.
 */
html[data-theme='dark'] {
  color-scheme: dark;
}

html[data-theme='light'] {
  color-scheme: light;
}

body.canvas-auth-page {
  /* نفس سلسلة --sc-* كما في .canvas-home / body.canvas-home-body (canvas-home.css) */
  --sc-bg-page: var(--night-surface-dark, var(--light-bg, #0b0d17));
  --sc-bg-cards: var(--night-surface-light, var(--card-bg, #1a1e38));
  --sc-border: var(--border-color, #1c1e27);
  --sc-gold: var(--accent-color, #f5c518);
  --sc-gold2: var(--warning-color, #e8b800);
  --sc-teal: var(--primary-color, #00c9a7);
  --sc-blue: var(--secondary-color, #4f8ef7);
  --sc-purple: var(--secondary-color, #8b5cf6);
  --sc-white: var(--text-primary, #ffffff);
  --sc-dim: var(--text-secondary, #94a3b8);
  --sc-muted: color-mix(in srgb, var(--text-secondary, #94a3b8) 65%, transparent);
  --sc-r: 16px;
  --sc-r-sm: 10px;
  /* مشتقات صفحات الدخول — من نفس المصدر أعلاه */
  --sc-on-brand: var(--sc-white);
  --sc-deep: color-mix(in srgb, var(--sc-teal) 72%, var(--sc-bg-page));
  --sc-deep-2: color-mix(in srgb, var(--sc-blue) 68%, var(--sc-bg-page));
  --sc-shadow-elevated: 0 24px 48px -12px color-mix(in srgb, var(--shadow-color, rgba(0, 0, 0, 0.4)) 55%, transparent);
  box-sizing: border-box;
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body, 'IBM Plex Sans Arabic', sans-serif);
  color: var(--sc-white);
  background: var(--sc-bg-page);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.canvas-auth-page *,
body.canvas-auth-page *::before,
body.canvas-auth-page *::after {
  box-sizing: border-box;
}

.canvas-auth__bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  isolation: isolate;
  background:
    radial-gradient(ellipse 90% 55% at 50% -15%, color-mix(in srgb, var(--sc-teal) 32%, transparent), transparent 58%),
    radial-gradient(ellipse 70% 50% at 100% 30%, color-mix(in srgb, var(--sc-blue) 22%, transparent), transparent 55%),
    radial-gradient(ellipse 55% 45% at 0% 75%, color-mix(in srgb, var(--sc-teal) 14%, transparent), transparent 50%),
    var(--sc-bg-page);
}

.canvas-auth__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 100% 85% at 15% 5%, color-mix(in srgb, var(--sc-teal) 26%, transparent), transparent 58%),
    radial-gradient(ellipse 95% 75% at 95% 92%, color-mix(in srgb, var(--sc-blue) 22%, transparent), transparent 52%);
  background-size: 130% 130%, 125% 125%;
  background-position: 10% 0%, 90% 100%;
  animation: canvasAuthBgPan 36s ease-in-out infinite alternate;
  pointer-events: none;
}

.canvas-auth__aurora {
  position: absolute;
  left: 50%;
  top: 42%;
  z-index: 1;
  width: 180vmax;
  height: 180vmax;
  margin-left: -90vmax;
  margin-top: -90vmax;
  border-radius: 50%;
  opacity: 0.28;
  mix-blend-mode: screen;
  background: conic-gradient(
    from 200deg at 50% 50%,
    transparent 0deg,
    color-mix(in srgb, var(--sc-teal) 55%, transparent) 55deg,
    transparent 110deg,
    color-mix(in srgb, var(--sc-blue) 50%, transparent) 200deg,
    transparent 260deg,
    color-mix(in srgb, var(--sc-gold) 38%, transparent) 320deg,
    transparent 360deg
  );
  animation: canvasAuthAuroraSpin 56s linear infinite;
  will-change: transform;
}

.canvas-auth__mesh {
  position: absolute;
  inset: -40% -30%;
  z-index: 2;
  opacity: 0.35;
  background:
    radial-gradient(ellipse 50% 45% at 30% 40%, color-mix(in srgb, var(--sc-teal) 25%, transparent), transparent 70%),
    radial-gradient(ellipse 45% 40% at 70% 60%, color-mix(in srgb, var(--sc-blue) 22%, transparent), transparent 68%);
  animation: canvasAuthMeshDrift 28s ease-in-out infinite;
  will-change: transform;
}

.canvas-auth__orb {
  position: absolute;
  z-index: 2;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(72px);
  will-change: transform, opacity;
}

.canvas-auth__orb--a {
  width: min(92vw, 480px);
  height: min(92vw, 480px);
  left: -18%;
  top: 8%;
  background: color-mix(in srgb, var(--sc-teal) 42%, transparent);
  opacity: 0.55;
  animation: canvasAuthOrbA 19s ease-in-out infinite;
}

.canvas-auth__orb--b {
  width: min(70vw, 380px);
  height: min(70vw, 380px);
  right: -12%;
  top: 38%;
  background: color-mix(in srgb, var(--sc-blue) 38%, transparent);
  opacity: 0.45;
  animation: canvasAuthOrbB 24s ease-in-out infinite;
}

.canvas-auth__orb--c {
  width: min(55vw, 320px);
  height: min(55vw, 320px);
  left: 22%;
  bottom: -8%;
  background: color-mix(in srgb, var(--sc-teal) 28%, transparent);
  opacity: 0.4;
  animation: canvasAuthOrbC 21s ease-in-out infinite;
}

.canvas-auth__orb--d {
  width: min(42vw, 260px);
  height: min(42vw, 260px);
  right: 28%;
  bottom: 12%;
  background: color-mix(in srgb, var(--sc-blue) 32%, transparent);
  opacity: 0.32;
  filter: blur(56px);
  animation: canvasAuthOrbD 26s ease-in-out infinite;
}

.canvas-auth__sweep {
  position: absolute;
  inset: -120% -80%;
  z-index: 3;
  opacity: 0.22;
  mix-blend-mode: soft-light;
  background: linear-gradient(
    118deg,
    transparent 42%,
    color-mix(in srgb, var(--sc-teal) 18%, transparent) 49.5%,
    color-mix(in srgb, var(--sc-blue) 14%, transparent) 50.5%,
    transparent 58%
  );
  animation: canvasAuthSweepMove 16s ease-in-out infinite;
  will-change: transform, opacity;
}

.canvas-auth__spark {
  position: absolute;
  z-index: 4;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  pointer-events: none;
  background: color-mix(in srgb, var(--sc-white) 90%, transparent);
  box-shadow:
    0 0 10px 2px color-mix(in srgb, var(--sc-teal) 55%, transparent),
    0 0 22px 6px color-mix(in srgb, var(--sc-blue) 25%, transparent);
  opacity: 0.45;
  animation: canvasAuthSparkFloat 14s ease-in-out infinite;
  will-change: transform, opacity;
}

.canvas-auth__spark--1 {
  left: 12%;
  top: 22%;
  animation-duration: 13s;
  animation-delay: 0s;
}

.canvas-auth__spark--2 {
  right: 18%;
  top: 16%;
  animation-duration: 16s;
  animation-delay: -2s;
}

.canvas-auth__spark--3 {
  left: 42%;
  bottom: 28%;
  animation-duration: 12s;
  animation-delay: -4s;
}

.canvas-auth__spark--4 {
  right: 8%;
  top: 48%;
  animation-duration: 15s;
  animation-delay: -1s;
}

.canvas-auth__spark--5 {
  left: 24%;
  top: 58%;
  animation-duration: 17s;
  animation-delay: -6s;
}

.canvas-auth__grain {
  position: absolute;
  inset: 0;
  z-index: 5;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: canvasAuthGrainPulse 14s ease-in-out infinite;
}

.canvas-auth__top {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 58px;
  padding: 10px 16px;
  padding-top: calc(10px + env(safe-area-inset-top, 0px));
  background: color-mix(in srgb, var(--sc-bg-page) 92%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--sc-border);
  animation: canvasAuthTopIn 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.canvas-auth__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.canvas-auth__logo {
  width: 40px;
  height: 40px;
  border-radius: var(--sc-r-sm);
  background: linear-gradient(135deg, var(--sc-teal), var(--sc-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: var(--sc-on-brand);
  flex-shrink: 0;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--sc-teal) 38%, transparent);
  overflow: hidden;
  animation: canvasAuthLogoGlow 4.5s ease-in-out infinite;
}

.canvas-auth__logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.canvas-auth__brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.canvas-auth__brand-name {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.2px;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.canvas-auth__brand-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--sc-dim);
}

.canvas-auth__top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.canvas-auth__link {
  font-size: 13px;
  font-weight: 600;
  color: var(--sc-dim);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.canvas-auth__link:hover {
  color: var(--sc-white);
  background: color-mix(in srgb, var(--sc-bg-cards) 80%, transparent);
  border-color: var(--sc-border);
}

.canvas-auth__link--primary {
  color: var(--sc-teal);
  border-color: color-mix(in srgb, var(--sc-teal) 35%, transparent);
  background: color-mix(in srgb, var(--sc-teal) 10%, transparent);
}

.canvas-auth__link--primary:hover {
  color: var(--sc-on-brand);
  background: color-mix(in srgb, var(--sc-teal) 22%, transparent);
  border-color: color-mix(in srgb, var(--sc-teal) 45%, transparent);
}

.canvas-auth__main {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px 48px;
  min-height: calc(100vh - 58px);
}

.canvas-auth__card {
  position: relative;
  width: 100%;
  max-width: 420px;
  padding: 28px 24px 26px;
  border-radius: var(--sc-r);
  background: color-mix(in srgb, var(--sc-bg-cards) 88%, transparent);
  border: 1px solid var(--sc-border);
  box-shadow:
    var(--sc-shadow-elevated),
    0 0 0 1px color-mix(in srgb, var(--sc-white) 5%, transparent) inset;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  animation: canvasAuthCardIn 1.25s cubic-bezier(0.22, 1, 0.36, 1) 0.14s both;
}

.canvas-auth__card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    125deg,
    color-mix(in srgb, var(--sc-teal) 45%, transparent),
    transparent 35%,
    transparent 65%,
    color-mix(in srgb, var(--sc-blue) 40%, transparent)
  );
  /* قناع تقني: يعتمد الأبيض الكامل لقصّ الحدود وليس لون العلامة */
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.55;
  pointer-events: none;
  animation: canvasAuthBorderGlow 8s ease-in-out infinite;
}

@media (min-width: 480px) {
  .canvas-auth__card {
    padding: 32px 28px 28px;
  }
}

/* التسجيل: عمودان (حقلين لكل صف) من الشاشات المتوسطة فما فوق */
.canvas-auth__fields-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 4px;
}

.canvas-auth__fields-grid > .canvas-auth__field {
  margin-bottom: 0;
}

@media (min-width: 640px) {
  .canvas-auth__card--register {
    max-width: 560px;
  }

  .canvas-auth__fields-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 18px;
    row-gap: 16px;
    margin-bottom: 8px;
  }
}

@media (min-width: 1024px) {
  .canvas-auth__card--register {
    max-width: 640px;
  }

  .canvas-auth__fields-grid {
    column-gap: 22px;
    row-gap: 18px;
  }
}

.canvas-auth__head {
  text-align: center;
  margin-bottom: 24px;
}

.canvas-auth__head-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--sc-on-brand);
  background: linear-gradient(145deg, var(--sc-deep), var(--sc-deep-2));
  box-shadow: 0 8px 28px color-mix(in srgb, var(--sc-teal) 35%, transparent);
  animation:
    canvasAuthIconEnter 1.05s cubic-bezier(0.34, 1.3, 0.64, 1) 0.2s both,
    canvasAuthIconFloat 5s ease-in-out 1.35s infinite,
    canvasAuthIconGlowPulse 3.5s ease-in-out 1.35s infinite;
}

.canvas-auth__title {
  margin: 0 0 8px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.3px;
  animation: canvasAuthTextIn 0.95s ease 0.38s both;
}

.canvas-auth__subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: var(--sc-dim);
  line-height: 1.5;
  animation: canvasAuthTextIn 0.95s ease 0.52s both;
}

.canvas-auth__alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  margin-bottom: 18px;
  border-radius: var(--sc-r-sm);
  font-size: 0.875rem;
  line-height: 1.45;
  background: color-mix(in srgb, var(--warning-color) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--warning-color) 35%, transparent);
  color: color-mix(in srgb, var(--warning-color) 88%, var(--sc-white));
  animation: canvasAuthTextIn 0.8s ease 0.32s both;
}

.canvas-auth__alert i {
  margin-top: 2px;
  flex-shrink: 0;
}

#loginForm .canvas-auth__field,
#registerForm .canvas-auth__field {
  animation: canvasAuthFieldIn 0.88s cubic-bezier(0.22, 1, 0.36, 1) 0.48s backwards;
}

#loginForm .canvas-auth__field ~ .canvas-auth__field,
#registerForm .canvas-auth__field ~ .canvas-auth__field {
  animation-delay: 0.62s;
}

/* التسجيل: الموافقة على الشروط */
.canvas-auth__terms {
  margin-bottom: 18px;
  animation: canvasAuthFieldIn 0.88s cubic-bezier(0.22, 1, 0.36, 1) 0.68s backwards;
}

.canvas-auth__terms .canvas-auth__remember {
  align-items: flex-start;
  max-width: 100%;
}

.canvas-auth__terms .canvas-auth__remember > span:last-of-type {
  line-height: 1.5;
  font-size: 0.875rem;
  flex: 1;
  min-width: 0;
}

.canvas-auth__terms a {
  color: var(--sc-blue);
  font-weight: 600;
  text-decoration: none;
}

.canvas-auth__terms a:hover {
  color: var(--sc-teal);
  text-decoration: underline;
}

.canvas-auth__field {
  margin-bottom: 16px;
}

.canvas-auth__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--sc-dim);
  margin-bottom: 8px;
}

.canvas-auth__control {
  position: relative;
  display: flex;
  align-items: center;
}

.canvas-auth__control i.canvas-auth__input-icon {
  position: absolute;
  inset-inline-start: 14px;
  font-size: 15px;
  color: var(--sc-muted);
  pointer-events: none;
  z-index: 1;
}

.canvas-auth__input {
  width: 100%;
  min-height: 48px;
  padding-block: 0;
  padding-inline: 44px 14px;
  border-radius: var(--sc-r-sm);
  border: 1px solid var(--sc-border);
  background: color-mix(in srgb, var(--sc-bg-page) 65%, var(--sc-bg-cards));
  color: var(--sc-white);
  font: inherit;
  font-size: 0.9375rem;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.canvas-auth__control:has(.canvas-auth__toggle) .canvas-auth__input {
  padding-inline-end: 52px;
}

.canvas-auth__input::placeholder {
  color: var(--sc-muted);
}

.canvas-auth__input:hover {
  border-color: color-mix(in srgb, var(--sc-teal) 35%, var(--sc-border));
}

.canvas-auth__input:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--sc-teal) 55%, var(--sc-border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sc-teal) 22%, transparent);
  background: color-mix(in srgb, var(--sc-bg-cards) 40%, var(--sc-bg-page));
}

/* تسجيل الدخول: Chrome/Safari يفرضان خلفية صفراء/فاتحة على الحقول المملوءة تلقائياً — نوحّدها مع حقول إنشاء الحساب */
.canvas-auth__input:-webkit-autofill,
.canvas-auth__input:-webkit-autofill:hover,
.canvas-auth__input:-webkit-autofill:active {
  -webkit-text-fill-color: var(--sc-white) !important;
  caret-color: var(--sc-white);
  border: 1px solid var(--sc-border);
  -webkit-box-shadow: 0 0 0 1000px color-mix(in srgb, var(--sc-bg-page) 65%, var(--sc-bg-cards)) inset !important;
  box-shadow: 0 0 0 1000px color-mix(in srgb, var(--sc-bg-page) 65%, var(--sc-bg-cards)) inset !important;
  transition: background-color 99999s ease-out 0s;
}

.canvas-auth__input:-webkit-autofill:focus {
  border-color: color-mix(in srgb, var(--sc-teal) 55%, var(--sc-border));
  -webkit-text-fill-color: var(--sc-white) !important;
  -webkit-box-shadow:
    0 0 0 1000px color-mix(in srgb, var(--sc-bg-cards) 40%, var(--sc-bg-page)) inset,
    0 0 0 3px color-mix(in srgb, var(--sc-teal) 22%, transparent) !important;
  box-shadow:
    0 0 0 1000px color-mix(in srgb, var(--sc-bg-cards) 40%, var(--sc-bg-page)) inset,
    0 0 0 3px color-mix(in srgb, var(--sc-teal) 22%, transparent) !important;
}

.canvas-auth__input.is-invalid {
  border-color: color-mix(in srgb, var(--danger-color) 65%, var(--sc-border));
}

.canvas-auth__input.is-invalid:-webkit-autofill,
.canvas-auth__input.is-invalid:-webkit-autofill:focus {
  border-color: color-mix(in srgb, var(--danger-color) 65%, var(--sc-border)) !important;
  -webkit-box-shadow: 0 0 0 1000px color-mix(in srgb, var(--danger-color) 8%, var(--sc-bg-page)) inset !important;
  box-shadow: 0 0 0 1000px color-mix(in srgb, var(--danger-color) 8%, var(--sc-bg-page)) inset !important;
}

.canvas-auth__toggle {
  position: absolute;
  inset-inline-end: 6px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--sc-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background 0.2s;
}

.canvas-auth__toggle:hover {
  color: var(--sc-white);
  background: color-mix(in srgb, var(--sc-bg-cards) 90%, transparent);
}

.canvas-auth__toggle:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--sc-teal) 55%, transparent);
  outline-offset: 2px;
}

.canvas-auth__error {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 8px;
  font-size: 0.8125rem;
  color: color-mix(in srgb, var(--danger-color) 92%, var(--sc-white));
}

.canvas-auth__error i {
  margin-top: 2px;
  flex-shrink: 0;
}

.canvas-auth__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  animation: canvasAuthFieldIn 0.88s cubic-bezier(0.22, 1, 0.36, 1) 0.74s backwards;
}

.canvas-auth__remember {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--sc-dim);
  user-select: none;
}

.canvas-auth__remember input {
  width: 18px;
  height: 18px;
  accent-color: var(--sc-teal);
  cursor: pointer;
}

.canvas-auth__forgot {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sc-blue);
  text-decoration: none;
  transition: color 0.2s;
}

.canvas-auth__forgot:hover {
  color: var(--sc-teal);
  text-decoration: underline;
}

.canvas-auth__submit {
  width: 100%;
  min-height: 50px;
  border: none;
  border-radius: var(--sc-r-sm);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: var(--sc-on-brand);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--sc-teal), var(--sc-blue));
  background-size: 200% 200%;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--sc-teal) 38%, transparent);
  transition: transform 0.15s, box-shadow 0.2s, filter 0.2s;
  animation:
    canvasAuthFieldIn 0.88s cubic-bezier(0.22, 1, 0.36, 1) 0.84s backwards,
    canvasAuthBtnGradient 6s ease-in-out 1.35s infinite;
}

.canvas-auth__submit:hover {
  filter: brightness(1.06);
  box-shadow: 0 10px 28px color-mix(in srgb, var(--sc-teal) 45%, transparent);
}

.canvas-auth__submit:active {
  transform: scale(0.98);
}

.canvas-auth__submit:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--sc-white) 92%, transparent);
  outline-offset: 3px;
}

.canvas-auth__errors {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--sc-r-sm);
  background: color-mix(in srgb, var(--danger-color) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger-color) 35%, transparent);
}

.canvas-auth__errors ul {
  margin: 0;
  padding-inline-start: 1.1rem;
  font-size: 0.875rem;
  color: color-mix(in srgb, var(--danger-color) 90%, var(--sc-white));
}

.canvas-auth__divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 18px;
  color: var(--sc-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.canvas-auth__divider::before,
.canvas-auth__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--sc-border),
    color-mix(in srgb, var(--sc-teal) 35%, transparent),
    var(--sc-border),
    transparent
  );
  background-size: 200% 100%;
  animation: canvasAuthDividerShimmer 4s ease-in-out infinite;
}

.canvas-auth__social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  border-radius: var(--sc-r-sm);
  border: 1px solid var(--sc-border);
  background: color-mix(in srgb, var(--sc-bg-page) 50%, transparent);
  color: var(--sc-white);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  animation: canvasAuthFieldIn 0.95s cubic-bezier(0.22, 1, 0.36, 1) 0.98s backwards;
}

.canvas-auth__social:hover {
  border-color: color-mix(in srgb, var(--sc-teal) 40%, var(--sc-border));
  background: color-mix(in srgb, var(--sc-bg-cards) 70%, transparent);
}

.canvas-auth__social:active {
  transform: scale(0.99);
}

.canvas-auth__social i {
  font-size: 1.1rem;
}

.canvas-auth__social--google i {
  background: linear-gradient(
    135deg,
    var(--sc-teal),
    color-mix(in srgb, var(--sc-gold) 85%, var(--sc-teal)),
    var(--sc-blue),
    color-mix(in srgb, var(--sc-teal) 55%, var(--sc-blue))
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.canvas-auth__loading {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--sc-bg-page) 78%, var(--sc-teal));
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s, visibility 0.25s;
}

.canvas-auth__loading.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.canvas-auth__loading-inner {
  text-align: center;
  padding: 28px 32px;
  border-radius: var(--sc-r);
  background: var(--sc-bg-cards);
  border: 1px solid var(--sc-border);
  box-shadow: var(--shadow-xl, var(--sc-shadow-elevated));
}

.canvas-auth__loading-inner i {
  font-size: 2rem;
  color: var(--sc-teal);
  margin-bottom: 12px;
  display: block;
}

.canvas-auth__loading-inner p {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sc-dim);
}

@keyframes canvasAuthBgPan {
  0% {
    background-position: 8% 5%, 92% 95%;
  }
  50% {
    background-position: 55% 35%, 45% 65%;
  }
  100% {
    background-position: 92% 88%, 12% 18%;
  }
}

@keyframes canvasAuthAuroraSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes canvasAuthOrbD {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.32;
  }
  33% {
    transform: translate(-12%, 10%) scale(1.12);
    opacity: 0.42;
  }
  66% {
    transform: translate(8%, -6%) scale(0.94);
    opacity: 0.28;
  }
}

@keyframes canvasAuthSweepMove {
  0%,
  100% {
    transform: translate(-8%, 6%) rotate(-3deg) scale(1);
    opacity: 0.16;
  }
  50% {
    transform: translate(10%, -8%) rotate(4deg) scale(1.05);
    opacity: 0.32;
  }
}

@keyframes canvasAuthSparkFloat {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.35;
  }
  25% {
    transform: translate(8px, -14px) scale(1.15);
    opacity: 0.65;
  }
  50% {
    transform: translate(-6px, 8px) scale(0.9);
    opacity: 0.4;
  }
  75% {
    transform: translate(12px, 6px) scale(1.08);
    opacity: 0.55;
  }
}

@keyframes canvasAuthMeshDrift {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(3%, -2%) rotate(2deg);
  }
  66% {
    transform: translate(-2%, 3%) rotate(-1.5deg);
  }
}

@keyframes canvasAuthOrbA {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(8%, 5%) scale(1.06);
  }
  66% {
    transform: translate(-4%, 8%) scale(0.96);
  }
}

@keyframes canvasAuthOrbB {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-10%, -6%) scale(1.08);
  }
}

@keyframes canvasAuthOrbC {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  40% {
    transform: translate(6%, -8%) scale(1.04);
  }
  80% {
    transform: translate(-5%, 4%) scale(0.98);
  }
}

@keyframes canvasAuthGrainPulse {
  0%,
  100% {
    opacity: 0.045;
  }
  50% {
    opacity: 0.07;
  }
}

@keyframes canvasAuthTopIn {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes canvasAuthCardIn {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes canvasAuthBorderGlow {
  0%,
  100% {
    opacity: 0.42;
  }
  50% {
    opacity: 0.78;
  }
}

@keyframes canvasAuthIconEnter {
  from {
    opacity: 0;
    filter: blur(6px);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

@keyframes canvasAuthIconFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes canvasAuthIconGlowPulse {
  0%,
  100% {
    box-shadow: 0 8px 28px color-mix(in srgb, var(--sc-teal) 35%, transparent);
  }
  50% {
    box-shadow:
      0 10px 36px color-mix(in srgb, var(--sc-teal) 48%, transparent),
      0 0 24px color-mix(in srgb, var(--sc-blue) 25%, transparent);
  }
}

@keyframes canvasAuthTextIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes canvasAuthBtnGradient {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes canvasAuthDividerShimmer {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes canvasAuthLogoGlow {
  0%,
  100% {
    box-shadow: 0 4px 16px color-mix(in srgb, var(--sc-teal) 38%, transparent);
  }
  50% {
    box-shadow:
      0 6px 22px color-mix(in srgb, var(--sc-teal) 52%, transparent),
      0 0 20px color-mix(in srgb, var(--sc-blue) 22%, transparent);
  }
}

@media (prefers-reduced-motion: reduce) {
  .canvas-auth__bg,
  .canvas-auth__bg::before,
  .canvas-auth__aurora,
  .canvas-auth__mesh,
  .canvas-auth__orb,
  .canvas-auth__sweep,
  .canvas-auth__spark,
  .canvas-auth__grain,
  .canvas-auth__top,
  .canvas-auth__card,
  .canvas-auth__card::before,
  .canvas-auth__logo,
  .canvas-auth__head-icon,
  .canvas-auth__title,
  .canvas-auth__subtitle,
  .canvas-auth__alert,
  #loginForm .canvas-auth__field,
  #registerForm .canvas-auth__field,
  .canvas-auth__terms,
  .canvas-auth__row,
  .canvas-auth__submit,
  .canvas-auth__divider::before,
  .canvas-auth__divider::after,
  .canvas-auth__social {
    animation: none !important;
  }

  .canvas-auth__bg {
    filter: none;
  }

  .canvas-auth__bg::before {
    animation: none !important;
    background-position: 50% 50%, 50% 50%;
  }

  .canvas-auth__aurora,
  .canvas-auth__sweep,
  .canvas-auth__spark,
  .canvas-auth__orb {
    animation: none !important;
    transform: none;
  }

  .canvas-auth__aurora {
    opacity: 0.12;
  }

  .canvas-auth__sweep {
    opacity: 0.08;
  }

  .canvas-auth__spark {
    opacity: 0.28;
  }

  .canvas-auth__card,
  .canvas-auth__top,
  .canvas-auth__title,
  .canvas-auth__subtitle,
  .canvas-auth__alert,
  #loginForm .canvas-auth__field,
  #registerForm .canvas-auth__field,
  .canvas-auth__terms,
  .canvas-auth__row,
  .canvas-auth__social {
    opacity: 1;
    transform: none;
  }

  .canvas-auth__head-icon {
    transform: none;
  }

  .canvas-auth__submit {
    background: linear-gradient(135deg, var(--sc-teal), var(--sc-blue));
    background-size: 100% 100%;
  }

  .canvas-auth__divider::before,
  .canvas-auth__divider::after {
    background: linear-gradient(90deg, transparent, var(--sc-border), transparent);
    background-size: 100% 100%;
  }

  .canvas-auth__submit,
  .canvas-auth__social,
  .canvas-auth__loading {
    transition: none;
  }
}