/* Sign Up (CSS) */

/* Base Layout */
.signup-page {
  background: linear-gradient(
    135deg,
    var(--primary-100) 0%,
    var(--bg-primary) 100%
  );
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  transition: background 0.5s ease;
}

/* Back Button */
.floating-back-btn {
  position: fixed;
  top: 2rem;
  left: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 0.75rem 1.5rem;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  box-shadow: var(--glass-shadow);
  transition: var(--transition-base);
  z-index: 100;
  font-size: 0.95rem;
}

.floating-back-btn:hover {
  background: var(--primary-100);
  transform: translateX(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.floating-back-btn i {
  transition: transform 0.3s ease;
  font-size: 0.9rem;
}

.floating-back-btn:hover i {
  transform: translateX(-3px);
}

/* Signup Card */
.signup-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  width: 100%;
  max-width: 440px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-base);
  margin: 1.5rem 0;
}

.signup-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.logo-preview {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-100);
  border-radius: 50%;
  color: var(--primary-500);
  font-size: 1.75rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: var(--transition-base);
}

.signup-header h2 {
  font-size: 1.85rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  font-weight: 700;
  line-height: 1.3;
}

.signup-header p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.5;
  max-width: 320px;
  margin: 0 auto;
}

/* Signup Form */
.signup-form {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* Input Fields */
.floating-input {
  position: relative;
  margin-bottom: 0rem;
}

.floating-input input {
  width: 100%;
  padding: 1.25rem 1rem 0.75rem;
  border: none;
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition-base);
  box-shadow: none;
  line-height: 1.5;
}

.floating-input label {
  position: absolute;
  top: 1.25rem;
  left: 1rem;
  color: var(--text-secondary);
  pointer-events: none;
  transition: var(--transition-base);
  font-size: 1rem;
  line-height: 1.5;
}

.floating-input .input-border {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-500);
  transition: width 0.3s ease;
}

.floating-input.focused label,
.floating-input input:not(:placeholder-shown) + label {
  top: 0.5rem;
  font-size: 0.8rem;
  color: var(--primary-500);
}

.floating-input.focused .input-border,
.floating-input input:not(:placeholder-shown) ~ .input-border {
  width: 100%;
}

.floating-input.focused input {
  padding-top: 1.5rem;
  background: var(--bg-secondary);
}

/* Password Toggle */
.password-toggle {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  transition: var(--transition-base);
  font-size: 1.1rem;
}

.password-toggle:hover {
  color: var(--primary-500);
  transform: translateY(-50%) scale(1.1);
}

/* Primary Button */
.btn-primary {
  position: relative;
  overflow: hidden;
  background: var(--primary-500);
  color: white;
  padding: 1.15rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.05rem;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin-top: 1rem;
  width: 100%;
}

.btn-primary:hover {
  background: var(--primary-600);
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-primary .btn-icon {
  transition: transform 0.3s ease;
  font-size: 0.9rem;
}

.btn-primary:hover .btn-icon {
  transform: translateX(4px);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.8s ease;
}

.btn-primary:hover::after {
  left: 100%;
}

/* Signin Link */
.signin-link {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.signin-link a {
  color: var(--primary-500);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-base);
  position: relative;
}

.signin-link a:hover {
  color: var(--primary-600);
}

.signin-link a::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 1px;
  bottom: -2px;
  left: 0;
  background: var(--primary-500);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.signin-link a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Message Box */
.message-box {
  position: fixed;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  padding: 1rem 1.75rem;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  max-width: 90%;
  text-align: center;
}

.message-box.show {
  opacity: 1;
  visibility: visible;
  top: 2rem;
}

.message-box.success {
  background: var(--success);
}

.message-box.error {
  background: var(--error);
}

.message-box::before {
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 1.1rem;
}

.message-box.success::before {
  content: '\f058';
}

.message-box.error::before {
  content: '\f06a';
}

/* Spinner */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  width: 1.35rem;
  height: 1.35rem;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

.spinner.hidden {
  display: none;
}

/* Responsive Design */
@media (max-width: 480px) {
  .signup-card {
    padding: 2.5rem 1.75rem;
  }

  .floating-back-btn {
    top: 1.25rem;
    left: 1.25rem;
    padding: 0.75rem;
  }

  .floating-back-btn span {
    display: none;
  }

  .signup-header h2 {
    font-size: 1.65rem;
  }

  .logo-preview {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .btn-primary {
    padding: 1.1rem;
  }
}