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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

#app {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Common component styles */
.container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 500px;
}

.btn {
    background: #007bff;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s ease;
}

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

.btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.form-group {
    margin-bottom: 1rem;
}

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

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

.form-group input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0,123,255,0.25);
}

.error {
    color: #dc3545;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Table styles */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.data-table th,
.data-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.data-table th {
    background: #f8f9fa;
    font-weight: bold;
}

.data-table tr:hover {
    background: #f8f9fa;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        margin: 1rem;
        padding: 1.5rem;
    }

    #app {
        align-items: flex-start;
        padding-top: 2rem;
    }
}