/* =====================================================================
   SMG Mitgliederbereich — Login Page
   v1.0.0 | Aurora Background + Glassmorphism Card
   Depends on smg-base.css for design tokens.
   ===================================================================== */

/* -- @property for animated aurora gradients -------------------------- */

@property --smg-aurora-1 {
  syntax: '<percentage>';
  initial-value: 20%;
  inherits: false;
}

@property --smg-aurora-2 {
  syntax: '<percentage>';
  initial-value: 60%;
  inherits: false;
}

@property --smg-aurora-3 {
  syntax: '<percentage>';
  initial-value: 80%;
  inherits: false;
}

@property --smg-aurora-4 {
  syntax: '<percentage>';
  initial-value: 40%;
  inherits: false;
}


/* -- Body ------------------------------------------------------------- */

.smg-login-body {
  min-height: 100dvh !important;
  background: var(--smg-bg) !important;
  overflow-x: hidden !important;
}


/* -- Aurora Background ------------------------------------------------ */

.smg-login-aurora {
  position: fixed !important;
  inset: 0 !important;
  z-index: 0 !important;
  pointer-events: none !important;
  background:
    radial-gradient(ellipse at var(--smg-aurora-1) var(--smg-aurora-2), rgba(124, 58, 237, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at var(--smg-aurora-3) var(--smg-aurora-4), rgba(56, 217, 255, 0.14) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(167, 139, 250, 0.12) 0%, transparent 50%) !important;
  animation: smg-aurora-morph 12s ease-in-out infinite alternate !important;
}

@keyframes smg-aurora-morph {
  0% {
    --smg-aurora-1: 20%;
    --smg-aurora-2: 30%;
    --smg-aurora-3: 75%;
    --smg-aurora-4: 65%;
  }
  33% {
    --smg-aurora-1: 50%;
    --smg-aurora-2: 20%;
    --smg-aurora-3: 30%;
    --smg-aurora-4: 70%;
  }
  66% {
    --smg-aurora-1: 70%;
    --smg-aurora-2: 60%;
    --smg-aurora-3: 20%;
    --smg-aurora-4: 30%;
  }
  100% {
    --smg-aurora-1: 30%;
    --smg-aurora-2: 70%;
    --smg-aurora-3: 60%;
    --smg-aurora-4: 20%;
  }
}

/* Fallback: static gradient for browsers without @property */
@supports not (background: paint(a)) {
  .smg-login-aurora {
    background:
      radial-gradient(ellipse at 25% 35%, rgba(124, 58, 237, 0.16) 0%, transparent 55%),
      radial-gradient(ellipse at 70% 60%, rgba(56, 217, 255, 0.12) 0%, transparent 50%),
      radial-gradient(ellipse at 55% 80%, rgba(167, 139, 250, 0.10) 0%, transparent 50%) !important;
    animation: none !important;
  }
}


/* -- Main Layout ------------------------------------------------------ */

.smg-login-main {
  position: relative !important;
  z-index: 1 !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 100dvh !important;
  padding: 2rem 1rem !important;
  gap: 2rem !important;
}


/* -- Logo ------------------------------------------------------------- */

.smg-login-logo {
  display: block !important;
  text-decoration: none !important;
  animation: smg-login-fadeIn 0.6s ease both !important;
}

.smg-login-logo img {
  width: 180px !important;
  height: auto !important;
}


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

.smg-login-card {
  position: relative !important;
  width: 100% !important;
  max-width: 420px !important;
  background: rgba(255, 255, 255, 0.72) !important;
  backdrop-filter: blur(24px) saturate(1.4) !important;
  -webkit-backdrop-filter: blur(24px) saturate(1.4) !important;
  border-radius: var(--smg-radius-xl) !important;
  border: 1px solid rgba(255, 255, 255, 0.60) !important;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 4px 12px rgba(0, 0, 0, 0.06),
    0 20px 40px rgba(124, 58, 237, 0.06) !important;
  padding: 2.5rem !important;
  overflow: hidden !important;
  animation: smg-login-cardEntrance 0.7s var(--smg-ease) both !important;
  animation-delay: 0.1s !important;
}

/* Gradient border glow on hover/focus-within */
.smg-login-card::before {
  content: '' !important;
  position: absolute !important;
  inset: -1px !important;
  border-radius: 21px !important;
  padding: 1px !important;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.4), rgba(56, 217, 255, 0.3), rgba(167, 139, 250, 0.1)) !important;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0) !important;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0) !important;
  -webkit-mask-composite: xor !important;
  mask-composite: exclude !important;
  opacity: 0 !important;
  transition: opacity 0.4s ease !important;
  pointer-events: none !important;
  z-index: -1 !important;
}

.smg-login-card:hover::before,
.smg-login-card:focus-within::before {
  opacity: 1 !important;
}


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

.smg-login-card__header {
  text-align: center !important;
  margin-bottom: 1.75rem !important;
}

.smg-login-card__title {
  font-family: var(--smg-font-display), sans-serif !important;
  font-size: var(--smg-fs-xl) !important;
  font-weight: 700 !important;
  color: var(--smg-text-1) !important;
  margin: 0 0 0.35rem !important;
  letter-spacing: -0.01em !important;
  line-height: 1.2 !important;
}

.smg-login-card__subtitle {
  font-family: var(--smg-font), sans-serif !important;
  font-size: var(--smg-fs-sm) !important;
  color: var(--smg-text-3) !important;
  margin: 0 !important;
  line-height: 1.5 !important;
}


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

.smg-login-field {
  margin-bottom: 1rem !important;
  animation: smg-login-fadeIn 0.4s ease both !important;
}

.smg-login-field:nth-child(1) { animation-delay: 0.1s !important; }
.smg-login-field:nth-child(2) { animation-delay: 0.18s !important; }

.smg-login-label {
  display: block !important;
  font-family: var(--smg-font), sans-serif !important;
  font-size: var(--smg-fs-xs) !important;
  font-weight: 500 !important;
  color: var(--smg-text-2) !important;
  margin-bottom: 0.35rem !important;
}

.smg-login-input {
  width: 100% !important;
  padding: 0.7rem 0.85rem !important;
  font-family: var(--smg-font), sans-serif !important;
  font-size: var(--smg-fs-sm) !important;
  color: var(--smg-text-1) !important;
  background: rgba(248, 248, 253, 0.8) !important;
  border: 1.5px solid transparent !important;
  border-radius: var(--smg-radius-md) !important;
  outline: none !important;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease !important;
  box-sizing: border-box !important;
}

.smg-login-input::placeholder {
  color: var(--smg-text-4) !important;
}

.smg-login-input:focus {
  border-color: var(--smg-purple) !important;
  background: var(--smg-surface) !important;
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12) !important;
}

/* Password input wrapper */
.smg-login-input-wrap {
  position: relative !important;
}

.smg-login-input--pw {
  padding-right: 2.75rem !important;
}

.smg-login-pw-toggle {
  position: absolute !important;
  top: 50% !important;
  right: 0.65rem !important;
  transform: translateY(-50%) !important;
  background: none !important;
  border: none !important;
  cursor: pointer !important;
  padding: 4px !important;
  color: var(--smg-text-4) !important;
  transition: color 0.2s ease !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.smg-login-pw-toggle:hover {
  color: var(--smg-text-3) !important;
}

.smg-login-pw-icon[hidden] {
  display: none !important;
}


/* -- Remember + Forgot Row -------------------------------------------- */

.smg-login-row {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  margin-bottom: 1.25rem !important;
  animation: smg-login-fadeIn 0.4s ease both !important;
  animation-delay: 0.26s !important;
}

.smg-login-remember {
  display: flex !important;
  align-items: center !important;
  gap: 0.4rem !important;
  font-family: var(--smg-font), sans-serif !important;
  font-size: var(--smg-fs-xs) !important;
  color: var(--smg-text-3) !important;
  cursor: pointer !important;
}

.smg-login-remember input[type="checkbox"] {
  width: 16px !important;
  height: 16px !important;
  accent-color: var(--smg-purple) !important;
  border-radius: 4px !important;
  cursor: pointer !important;
}

.smg-login-forgot {
  font-family: var(--smg-font), sans-serif !important;
  font-size: var(--smg-fs-xs) !important;
  color: var(--smg-text-4) !important;
  text-decoration: none !important;
  transition: color 0.2s ease !important;
}

.smg-login-forgot:hover {
  color: var(--smg-purple) !important;
}


/* -- Error Message ---------------------------------------------------- */

.smg-login-error {
  text-align: center !important;
  padding: 0.65rem 0.85rem !important;
  font-family: var(--smg-font), sans-serif !important;
  font-size: var(--smg-fs-xs) !important;
  color: var(--smg-error-text) !important;
  background: rgba(248, 113, 113, 0.08) !important;
  border-radius: var(--smg-radius-sm) !important;
  margin-bottom: 1rem !important;
  animation: smg-login-fadeIn 0.25s ease both !important;
}

.smg-login-error[hidden] {
  display: none !important;
}


/* -- Submit Button ---------------------------------------------------- */

.smg-login-btn {
  position: relative !important;
  width: 100% !important;
  padding: 0.75rem 1rem !important;
  font-family: var(--smg-font), sans-serif !important;
  font-size: var(--smg-fs-base) !important;
  font-weight: 600 !important;
  color: #fff !important;
  background: var(--smg-gradient) !important;
  border: none !important;
  border-radius: var(--smg-radius-md) !important;
  cursor: pointer !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.15) !important;
  transition: transform var(--smg-dur-fast) ease, box-shadow var(--smg-dur-base) ease !important;
  overflow: hidden !important;
  min-height: 44px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.smg-login-btn:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.15) !important;
}

.smg-login-btn:active {
  transform: translateY(0.5px) !important;
}

.smg-login-btn:disabled {
  cursor: not-allowed !important;
  opacity: 0.7 !important;
}

/* Shimmer sweep on hover */
.smg-login-btn::after {
  content: '' !important;
  position: absolute !important;
  top: 0 !important;
  left: -100% !important;
  width: 100% !important;
  height: 100% !important;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent) !important;
  transition: none !important;
}

.smg-login-btn:hover::after {
  animation: smg-login-shimmer 0.6s ease forwards !important;
}

/* Spinner */
.smg-login-btn__spinner {
  width: 20px !important;
  height: 20px !important;
  border: 2.5px solid rgba(255, 255, 255, 0.3) !important;
  border-top-color: #fff !important;
  border-radius: 50% !important;
  animation: smg-login-spin 0.65s linear infinite !important;
}

.smg-login-btn__spinner[hidden] {
  display: none !important;
}


/* -- Error Shake ------------------------------------------------------ */

.smg-login-card.is-shaking {
  animation: smg-login-shake 0.4s ease !important;
}


/* -- Footer ----------------------------------------------------------- */

.smg-login-footer {
  text-align: center !important;
  animation: smg-login-fadeIn 0.5s ease both !important;
  animation-delay: 0.3s !important;
}

.smg-login-footer__cta {
  font-family: var(--smg-font), sans-serif !important;
  font-size: var(--smg-fs-sm) !important;
  color: var(--smg-text-3) !important;
  margin: 0 0 0.5rem !important;
}

.smg-login-footer__cta a {
  color: var(--smg-purple) !important;
  text-decoration: none !important;
  font-weight: 500 !important;
}

.smg-login-footer__cta a:hover {
  text-decoration: underline !important;
}

.smg-login-footer__links {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.5rem !important;
}

.smg-login-footer__links a {
  font-family: var(--smg-font), sans-serif !important;
  font-size: var(--smg-fs-2xs) !important;
  color: var(--smg-text-4) !important;
  text-decoration: none !important;
}

.smg-login-footer__links a:hover {
  color: var(--smg-text-3) !important;
}

.smg-login-footer__links span {
  color: var(--smg-text-4) !important;
  font-size: var(--smg-fs-2xs) !important;
}


/* -- Keyframes -------------------------------------------------------- */

@keyframes smg-login-cardEntrance {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes smg-login-fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes smg-login-shimmer {
  from { left: -100%; }
  to   { left: 100%; }
}

@keyframes smg-login-spin {
  to { transform: rotate(360deg); }
}

@keyframes smg-login-shake {
  0%, 100% { transform: translateX(0); }
  15%      { transform: translateX(-6px); }
  30%      { transform: translateX(5px); }
  45%      { transform: translateX(-4px); }
  60%      { transform: translateX(3px); }
  75%      { transform: translateX(-2px); }
}


/* -- Responsive ------------------------------------------------------- */

@media (max-width: 480px) {
  .smg-login-card {
    padding: 1.5rem !important;
    border-radius: var(--smg-radius-lg) !important;
    backdrop-filter: blur(16px) saturate(1.3) !important;
    -webkit-backdrop-filter: blur(16px) saturate(1.3) !important;
    background: rgba(255, 255, 255, 0.85) !important;
  }

  .smg-login-card__title {
    font-size: var(--smg-fs-lg) !important;
  }

  .smg-login-aurora {
    animation-duration: 20s !important;
  }

  .smg-login-main {
    padding: 1.5rem 1rem !important;
    gap: 1.5rem !important;
  }
}


/* -- Reduced Motion --------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .smg-login-aurora,
  .smg-login-card,
  .smg-login-logo,
  .smg-login-field,
  .smg-login-row,
  .smg-login-footer,
  .smg-login-error {
    animation: none !important;
  }

  .smg-login-card {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }

  .smg-login-logo,
  .smg-login-footer,
  .smg-login-field,
  .smg-login-row {
    opacity: 1 !important;
    transform: none !important;
  }

  .smg-login-btn::after {
    display: none !important;
  }

  .smg-login-btn:hover {
    transform: none !important;
  }

  .smg-login-card.is-shaking {
    animation: none !important;
  }
}