/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* Header and Navigation */
header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
    color: #3498db;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Dashboard */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-card i {
    font-size: 2rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.stat-card h3 {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 2rem;
    font-weight: bold;
    color: #2c3e50;
}

/* NDA List */
.nda-list {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nda-list table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.nda-list th,
.nda-list td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.nda-list th {
    font-weight: 600;
    color: #666;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-badge.pending {
    background: #fff3cd;
    color: #856404;
}

.status-badge.signed {
    background: #d4edda;
    color: #155724;
}

.status-badge.expired {
    background: #f8d7da;
    color: #721c24;
}

/* Forms */
.form-section {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #666;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s;
}

.btn i {
    margin-right: 0.5rem;
}

.btn-primary {
    background-color: #3498db;
    color: #fff;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: #95a5a6;
    color: #fff;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

.btn-icon {
    padding: 0.5rem;
    color: #666;
    text-decoration: none;
    margin-right: 0.5rem;
}

.btn-icon:hover {
    color: #3498db;
}

/* Signature Pad */
.signature-container {
    border: 2px solid #ddd;
    border-radius: 4px;
    margin-top: 1rem;
}

#signature-pad {
    width: 100%;
    height: 200px;
    background: #fff;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
}

.nav-links a {
    color: #2c3e50;
    text-decoration: none;
    margin-left: 2rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #3498db;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Forms */
.form-container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

button {
    background-color: #3498db;
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #2980b9;
}

/* Dashboard */
.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.dashboard-card {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.dashboard-card h2 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* NDA List */
.nda-list {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
}

.nda-item {
    padding: 1rem;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nda-item:last-child {
    border-bottom: none;
}

/* Status Badges */
.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: bold;
}

.status-pending {
    background-color: #f1c40f;
    color: #fff;
}

.status-signed {
    background-color: #2ecc71;
    color: #fff;
}

.status-expired {
    background-color: #e74c3c;
    color: #fff;
}

/* Signature Pad */
.signature-container {
    border: 2px solid #ddd;
    border-radius: 4px;
    margin: 1rem 0;
}

#signature-pad {
    width: 100%;
    height: 200px;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    color: #666;
    background-color: #fff;
    margin-top: 4rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .form-container {
        padding: 1rem;
    }
    
    .dashboard {
        grid-template-columns: 1fr;
    }
}

/* Messages and Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Loading States */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}