/* ===============================================
   Forms CSS (Fully Fluid & Responsive)
   =============================================== */

/* Ensure all elements account for padding/borders within their width */
*, *::before, *::after {
    box-sizing: border-box;
}

.form-group {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    width: 100%;
}

.form-group label {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px; /* Fluid padding */
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    font-size: 16px; /* 16px prevents iOS auto-zoom on focus */
    font-family: var(--font-sans);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    background-color: var(--bg-card);
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.form-group input:disabled,
.form-group input[readonly] {
    background-color: var(--bg-body);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-group textarea { 
    resize: vertical; 
    min-height: 100px;
    width: 100%;
}

/* Checkboxes (Used in Settings) */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    margin-bottom: var(--spacing-md);
}
.checkbox-group input[type="checkbox"] {
    display: none;
}
.checkbox-group label {
    cursor: pointer;
    margin-bottom: 0;
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.checkbox-group label::before {
    content: '';
    width: 18px; height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}
.checkbox-group input[type="checkbox"]:checked + label::before {
    background: var(--color-primary);
    border-color: var(--color-primary);
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* ===============================================
   Mobile Responsiveness for Forms
   =============================================== */
@media (max-width: 768px) {
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 14px; /* Slightly tighter on mobile */
    }
}