* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background:
    linear-gradient(135deg, rgba(255, 87, 34, 0.94), rgba(255, 177, 153, 0.9)),
    url("https://images.unsplash.com/photo-1504674900247-0877df9cc836") center/cover;
  color: #202020;
  font-family: Arial, sans-serif;
  min-height: 100vh;
}

.auth-page {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: 100vh;
  padding: 28px;
}

.auth-box {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 8px;
  box-shadow: 0 22px 60px rgba(57, 28, 16, 0.24);
  max-width: 440px;
  padding: 34px;
  text-align: left;
  width: 100%;
}

.auth-brand {
  color: #ff5722;
  display: inline-block;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 22px;
  text-decoration: none;
}

.auth-kicker {
  color: #777;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.auth-box h1 {
  color: #222;
  font-size: 32px;
  margin-bottom: 22px;
}

.social-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 20px;
}

.social-btn {
  align-items: center;
  background: #fff;
  border: 1px solid #e4e4e4;
  border-radius: 8px;
  color: #222;
  cursor: pointer;
  display: flex;
  font-size: 15px;
  font-weight: 700;
  gap: 10px;
  justify-content: center;
  min-height: 46px;
  padding: 10px 12px;
  transition: 0.2s;
}

.social-btn:hover {
  border-color: #ff5722;
  transform: translateY(-1px);
}

.social-btn span {
  align-items: center;
  border-radius: 50%;
  display: inline-flex;
  font-size: 18px;
  font-weight: 800;
  height: 26px;
  justify-content: center;
  width: 26px;
}

.google span {
  background: #fff3ef;
  color: #ea4335;
}

.facebook span {
  background: #eef4ff;
  color: #1877f2;
  font-family: Georgia, serif;
}

.auth-divider {
  align-items: center;
  color: #888;
  display: flex;
  font-size: 14px;
  gap: 12px;
  margin: 8px 0 20px;
}

.auth-divider::before,
.auth-divider::after {
  background: #e8e8e8;
  content: "";
  flex: 1;
  height: 1px;
}

.auth-box form {
  display: grid;
  gap: 14px;
}

.auth-box label {
  color: #444;
  display: grid;
  font-size: 14px;
  font-weight: 700;
  gap: 7px;
}

.auth-box input {
  border: 1px solid #d9d9d9;
  border-radius: 8px;
  font-size: 16px;
  outline: none;
  padding: 13px 14px;
  transition: 0.2s;
  width: 100%;
}

.auth-box input:focus {
  border-color: #ff5722;
  box-shadow: 0 0 0 4px rgba(255, 87, 34, 0.12);
}

.primary-btn {
  background: #ff5722;
  border: none;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  font-size: 16px;
  font-weight: 800;
  margin-top: 4px;
  min-height: 48px;
  padding: 13px;
  transition: 0.2s;
}

.primary-btn:hover {
  background: #e64a19;
}

.primary-btn:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.auth-switch {
  margin-top: 20px;
  text-align: center;
}

.auth-switch a,
.home-link {
  color: #ff5722;
  font-weight: 800;
  text-decoration: none;
}

.home-link {
  display: block;
  margin-top: 14px;
  text-align: center;
}

.toast {
  background: #222;
  border-radius: 8px;
  bottom: 24px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
  color: #fff;
  font-weight: 700;
  left: 50%;
  max-width: min(420px, calc(100vw - 32px));
  opacity: 0;
  padding: 14px 16px;
  pointer-events: none;
  position: fixed;
  transform: translate(-50%, 12px);
  transition: 0.22s ease;
  width: max-content;
  z-index: 50;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast.success {
  background: #15803d;
}

.toast.error {
  background: #b91c1c;
}

.toast.info {
  background: #1d4ed8;
}

.support-widget {
  bottom: 22px;
  position: fixed;
  right: 22px;
  z-index: 60;
}

.support-toggle {
  align-items: center;
  background: #ff5722;
  border: 0;
  border-radius: 999px;
  box-shadow: 0 16px 36px rgba(57, 28, 16, 0.28);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font-size: 15px;
  font-weight: 900;
  gap: 8px;
  min-height: 52px;
  padding: 0 18px 0 10px;
}

.support-toggle span {
  align-items: center;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  display: inline-flex;
  font-size: 18px;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.support-panel {
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 8px;
  bottom: 66px;
  box-shadow: 0 18px 48px rgba(39, 24, 15, 0.2);
  display: grid;
  gap: 8px;
  min-width: 210px;
  opacity: 0;
  padding: 10px;
  pointer-events: none;
  position: absolute;
  right: 0;
  transform: translateY(10px);
  transition: 0.2s ease;
}

.support-widget.open .support-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.support-link {
  align-items: center;
  border-radius: 8px;
  color: #222;
  display: flex;
  gap: 10px;
  min-height: 44px;
  padding: 8px 10px;
  text-decoration: none;
}

.support-link:hover {
  background: #fff7f1;
}

.support-link span {
  align-items: center;
  border-radius: 50%;
  color: #fff;
  display: inline-flex;
  flex: 0 0 auto;
  font-weight: 900;
  height: 30px;
  justify-content: center;
  width: 30px;
}

.support-link.zalo span {
  background: #0068ff;
}

.support-link.messenger span {
  background: #1877f2;
  font-family: Georgia, serif;
}

.support-link.phone span {
  background: #16a34a;
}

.support-link.email span {
  background: #dc2626;
}

@media (max-width: 520px) {
  .auth-page {
    padding: 18px;
  }

  .auth-box {
    padding: 26px 20px;
  }

  .social-grid {
    grid-template-columns: 1fr;
  }

  .support-widget {
    bottom: 16px;
    right: 16px;
  }

  .support-panel {
    max-width: calc(100vw - 32px);
  }
}