/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--secondary); /* Dark text on bright button */
    width: auto; /* Auto width */
}

.btn-primary:hover {
    background-color: #fff;
    color: var(--secondary);
    box-shadow: 0 0 15px rgba(0, 220, 255, 0.5);
}

/* Grid */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    width: 100%;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 20px rgba(0, 220, 255, 0.15);
    border-color: var(--primary);
}

.card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-main);
    text-transform: uppercase;
}

.text-light {
    color: var(--text-light);
    font-size: 0.8rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
    font-size: 0.95rem;
}

.card-footer {
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
}

/* Loading Indicator */
#loading {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    margin: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
    display: none; /* Hidden by default */
}

.progress-container {
    width: 100%;
    max-width: 300px;
    height: 6px;
    background: var(--border);
    border-radius: 99px;
    margin: var(--spacing-md) auto;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 99px;
    box-shadow: 0 0 10px rgba(0, 220, 255, 0.5);
}

.loading-message {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
}