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

body {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 50%, #a5d6a7 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 18px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 20px 0;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #2e7d32;
    font-size: 20px;
    font-weight: 600;
    margin-left: 30px;
    transition: color 0.3s;
}

nav a:first-child {
    margin-left: 0;
    font-size: 28px;
    color: #1b5e20;
}

nav a:hover {
    color: #66bb6a;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, #43a047 0%, #66bb6a 100%);
    color: white;
    padding: 16px 40px;
    border-radius: 12px;
    font-size: 20px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(67, 160, 71, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 160, 71, 0.4);
}

.btn-secondary {
    background: white;
    color: #43a047;
    padding: 16px 40px;
    border-radius: 12px;
    font-size: 20px;
    font-weight: 600;
    border: 2px solid #43a047;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: #43a047;
    color: white;
}

/* Form Container */
.form-container {
    background: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 0 auto;
}

.form-container h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #1b5e20;
}

/* Input Fields */
.input-field {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 18px;
    transition: border-color 0.3s;
}

.input-field:focus {
    outline: none;
    border-color: #66bb6a;
}

label {
    font-size: 18px;
    font-weight: 600;
    color: #2e7d32;
}

/* Card */
.card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.card h2 {
    font-size: 32px;
    color: #1b5e20;
    margin-bottom: 30px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 16px;
}

table th {
    background: #f1f8e9;
    padding: 16px;
    text-align: left;
    font-size: 18px;
    color: #2e7d32;
    font-weight: 600;
}

table td {
    padding: 16px;
    border-bottom: 1px solid #e0e0e0;
}

table tr:hover {
    background: #f9fbe7;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 30px;
}

.mb-4 {
    margin-bottom: 30px;
}

.mb-6 {
    margin-bottom: 40px;
}

.w-full {
    width: 100%;
}

.grid {
    display: grid;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.gap-6 {
    gap: 30px;
}

@media (max-width: 768px) {
    .grid-cols-2, .grid-cols-3 {
        grid-template-columns: 1fr;
    }
}