body, html {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(to bottom right, rgba(0, 0, 0, 0.7), rgba(20, 20, 20, 0.85)),
              url("https://images.unsplash.com/photo-1588776814546-b426b67f43c0") no-repeat center center fixed;
  background-size: cover;
  color: #fff;
}

nav {
  background: rgba(0, 0, 0, 0.6);
  text-align: center;
  padding: 1rem;
  border-bottom: 1px solid #fff;
}

nav h1 {
  font-size: 2rem;
  color: #00f5d4;
}

.container {
  max-width: 850px;
  margin: 2rem auto;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

h2 {
  color: #00f5d4;
}

input[type="file"], input[type="email"], input[type="text"], textarea {
  width: 100%;
  padding: 0.75rem;
  margin: 0.5rem 0;
  border-radius: 8px;
  border: none;
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

input:focus, textarea:focus {
  outline: none;
  border: 1px solid #00f5d4;
  box-shadow: 0 0 5px #00f5d4;
}

button {
  background-color: #00f5d4;
  border: none;
  color: #000;
  font-weight: bold;
  padding: 0.7rem 2rem;
  border-radius: 25px;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background-color: #0ccfa3;
  transform: scale(1.05);
}

.tables {
  margin-top: 2rem;
}

.footer-basic {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  color: #ccc;
  background: rgba(0, 0, 0, 0.4);
} 
.fade-in {
  animation: fadeIn 0.4s ease forwards;
  opacity: 0;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

.valid-row {
  background-color: #e6ffed;
  transition: background 0.3s;
}

.invalid-row {
  background-color: #ffe6e6;
  transition: background 0.3s;
}

.send-btn:disabled {
  background-color: #aaa;
  cursor: not-allowed;
}

/* 



body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(to right, #eef2f3, #8e9eab);
  margin: 0;
  padding: 20px;
  display: flex;
  justify-content: center;
}

.container {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  max-width: 600px;
  width: 100%;
  animation: fadeIn 0.8s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  color: #333;
}

.form-group {
  margin-bottom: 15px;
  display: flex;
  flex-direction: column;
}

label {
  font-weight: bold;
  margin-bottom: 5px;
}

input[type="text"],
input[type="email"],
input[type="file"],
textarea {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  transition: border-color 0.3s;
}

input:focus,
textarea:focus {
  border-color: #007bff;
  outline: none;
}

.send-btn {
  background: #007bff;
  color: white;
  padding: 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  width: 100%;
  transition: background 0.3s;
}

.send-btn:hover {
  background: #0056b3;
}

.stats {
  margin-top: 20px;
  font-size: 16px;
  display: flex;
  justify-content: space-between;
}

table#val {
  margin-top: 20px;
  width: 100%;
  border-collapse: collapse;
  animation: slideUp 0.5s ease;
}

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

table#val td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: left;
} */