@import url("https://fonts.googleapis.com/css2?family=Vazirmatn:wght@100;300;400;500;700;900&display=swap");

* {
  font-family: "Vazirmatn", sans-serif;
}
body {
  background: linear-gradient(135deg, #fef3c7, #fed7aa);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
  transition: background 0.5s;
}

.dark {
  background: linear-gradient(135deg, #1e293b, #334155);
}

.form-container {
  background: #ffffff;
  padding: 50px;
  border-radius: 30px;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.1);
  width: calc(100% - 2rem);
  max-width: 550px;
  position: relative;
  animation: slideUp 1.2s ease-out;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.dark .form-container {
  background: #1e293b;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4);
}

@keyframes slideUp {
  0% {
    transform: translateY(50px);
    opacity: 0;
  }

  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

.form-switch {
  transform: rotateY(90deg);
  opacity: 0;
}

.form-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #1e293b;
  text-align: center;
  margin-bottom: 40px;
  background: linear-gradient(45deg, #f59e0b, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: color 0.3s;
}

.dark .form-title {
  color: #f1f5f9;
}

.form-input-group {
  position: relative;
  margin-bottom: 25px;
}

.form-input {
  width: 100%;
  padding: 15px 45px;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  background: #f9fafb;
  color: #000 !important;
  border-color: #475569;
  color: #f1f5f9;
}

.form-input:focus {
  border-color: #f59e0b;
  color: black;
  background: #fff;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
/* transform: scale(1.02); */
}

.dark .form-input:focus {
  background: #9facbe;
  color: white;
}

.form-input::placeholder {
  color: #94a3b8;
}

.dark .form-input::placeholder {
  color: #94a3b8;
}

.form-input-group i {
  position: absolute;
  top: 50%;
  left: 15px;
  transform: translateY(-50%);
  color: #f59e0b;
  font-size: 1.2rem;
  transition: color 0.3s;
}

.dark .form-input-group i {
  color: #ec4899;
}

.form-input.error {
  border-color: #dc2626;
  animation: shake 0.3s;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-5px);
  }

  75% {
    transform: translateX(5px);
  }
}

.error-message {
  color: #dc2626;
  font-size: 0.9rem;
  margin-top: 5px;
  display: none;
}

.form-btn {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(90deg, #f59e0b, #ec4899);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.form-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.5);
}

.form-btn:active {
  transform: translateY(0);
}

.form-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  transition: 0.5s;
}

.form-btn:hover::before {
  left: 100%;
}

.form-footer {
  margin-top: 30px;
  text-align: center;
  font-size: 1rem;
  color: #4b5563;
  transition: color 0.3s;
}

.dark .form-footer {
  color: #94a3b8;
}

.form-footer a {
  color: #f59e0b;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.dark .form-footer a {
  color: #ec4899;
}

.form-footer a:hover {
  color: #d97706;
  text-decoration: underline;
}

.dark .theme-toggle {
  background: #ec4899;
}

.theme-toggle:hover {
  transform: rotate(360deg);
}

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: #10b981;
  color: #fff;
  padding: 12px 25px;
  border-radius: 12px;
  opacity: 0;
  transition: opacity 0.5s, transform 0.5s;
  transform: translateY(-20px);
  z-index: 1000;
}

.notification.show {
  opacity: 1;
  transform: translateY(0px);
}

.strength-meter {
  height: 6px;
  background: #e5e7eb;
  border-radius: 10px;
  margin-top: 5px;
  overflow: hidden;
}

.dark .strength-meter {
  background: #475569;
}

.strength {
  height: 100%;
  width: 0;
  transition: width 0.3s ease, background 0.3s ease;
}

.strength.weak {
  background: #dc2626;
}

.strength.medium {
  background: #f59e0b;
}

.strength.strong {
  background: #10b981;
}

.password-toggle {
  position: absolute;
  top: 50%;
  left: 0px;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #f59e0b;
  font-size: 1.2rem;
  cursor: pointer;
  transition: color 0.3s;
}

.dark .password-toggle {
  color: #ec4899;
}

.password-toggle:hover {
  color: #d97706;
}

.avatar-upload {
  text-align: center;
  margin-bottom: 25px;
}

.avatar-upload input {
  display: none;
}

.avatar-upload label {
  display: inline-block;
  background: #f9fafb;
  border: 2px dashed #e5e7eb;
  border-radius: 12px;
  padding: 15px;
  cursor: pointer;
  color: #4b5563;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.dark .avatar-upload label {
  background: #334155;
  border-color: #475569;
  color: #f1f5f9;
}

.avatar-upload label:hover {
  background: #e5e7eb;
}

.dark .avatar-upload label:hover {
  background: #475569;
}

.avatar-preview {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 10px auto;
  object-fit: cover;
  display: none;
}